Import OpenSSL-1.0.0b.
[dragonfly.git] / crypto / openssl / 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  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
60  *
61  * Redistribution and use in source and binary forms, with or without
62  * modification, are permitted provided that the following conditions
63  * are met:
64  *
65  * 1. Redistributions of source code must retain the above copyright
66  *    notice, this list of conditions and the following disclaimer. 
67  *
68  * 2. Redistributions in binary form must reproduce the above copyright
69  *    notice, this list of conditions and the following disclaimer in
70  *    the documentation and/or other materials provided with the
71  *    distribution.
72  *
73  * 3. All advertising materials mentioning features or use of this
74  *    software must display the following acknowledgment:
75  *    "This product includes software developed by the OpenSSL Project
76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77  *
78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79  *    endorse or promote products derived from this software without
80  *    prior written permission. For written permission, please contact
81  *    openssl-core@openssl.org.
82  *
83  * 5. Products derived from this software may not be called "OpenSSL"
84  *    nor may "OpenSSL" appear in their names without prior written
85  *    permission of the OpenSSL Project.
86  *
87  * 6. Redistributions of any form whatsoever must retain the following
88  *    acknowledgment:
89  *    "This product includes software developed by the OpenSSL Project
90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91  *
92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103  * OF THE POSSIBILITY OF SUCH DAMAGE.
104  * ====================================================================
105  *
106  * This product includes cryptographic software written by Eric Young
107  * (eay@cryptsoft.com).  This product includes software written by Tim
108  * Hudson (tjh@cryptsoft.com).
109  *
110  */
111 /* ====================================================================
112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113  * ECC cipher suite support in OpenSSL originally developed by 
114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115  */
116 /* ====================================================================
117  * Copyright 2005 Nokia. All rights reserved.
118  *
119  * The portions of the attached software ("Contribution") is developed by
120  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
121  * license.
122  *
123  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
124  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
125  * support (see RFC 4279) to OpenSSL.
126  *
127  * No patent licenses or other rights except those expressly stated in
128  * the OpenSSL open source license shall be deemed granted or received
129  * expressly, by implication, estoppel, or otherwise.
130  *
131  * No assurances are provided by Nokia that the Contribution does not
132  * infringe the patent or other intellectual property rights of any third
133  * party or that the license provides you with all the necessary rights
134  * to make use of the Contribution.
135  *
136  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
137  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
138  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
139  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
140  * OTHERWISE.
141  */
142
143 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
144  * deprecated functions for openssl-internal code */
145 #ifdef OPENSSL_NO_DEPRECATED
146 #undef OPENSSL_NO_DEPRECATED
147 #endif
148
149 #include <assert.h>
150 #include <ctype.h>
151 #include <stdio.h>
152 #include <stdlib.h>
153 #include <string.h>
154
155 #include <openssl/e_os2.h>
156 #ifdef OPENSSL_NO_STDIO
157 #define APPS_WIN16
158 #endif
159
160 #if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
161 #include <sys/types.h>
162 #endif
163
164 /* With IPv6, it looks like Digital has mixed up the proper order of
165    recursive header file inclusion, resulting in the compiler complaining
166    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
167    is needed to have fileno() declared correctly...  So let's define u_int */
168 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
169 #define __U_INT
170 typedef unsigned int u_int;
171 #endif
172
173 #include <openssl/lhash.h>
174 #include <openssl/bn.h>
175 #define USE_SOCKETS
176 #include "apps.h"
177 #include <openssl/err.h>
178 #include <openssl/pem.h>
179 #include <openssl/x509.h>
180 #include <openssl/ssl.h>
181 #include <openssl/rand.h>
182 #include <openssl/ocsp.h>
183 #ifndef OPENSSL_NO_DH
184 #include <openssl/dh.h>
185 #endif
186 #ifndef OPENSSL_NO_RSA
187 #include <openssl/rsa.h>
188 #endif
189 #include "s_apps.h"
190 #include "timeouts.h"
191
192 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
193 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
194 #undef FIONBIO
195 #endif
196
197 #if defined(OPENSSL_SYS_BEOS_R5)
198 #include <fcntl.h>
199 #endif
200
201 #ifndef OPENSSL_NO_RSA
202 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
203 #endif
204 static int sv_body(char *hostname, int s, unsigned char *context);
205 static int www_body(char *hostname, int s, unsigned char *context);
206 static void close_accept_socket(void );
207 static void sv_usage(void);
208 static int init_ssl_connection(SSL *s);
209 static void print_stats(BIO *bp,SSL_CTX *ctx);
210 static int generate_session_id(const SSL *ssl, unsigned char *id,
211                                 unsigned int *id_len);
212 #ifndef OPENSSL_NO_DH
213 static DH *load_dh_param(const char *dhfile);
214 static DH *get_dh512(void);
215 #endif
216
217 #ifdef MONOLITH
218 static void s_server_init(void);
219 #endif
220
221 #ifndef OPENSSL_NO_DH
222 static unsigned char dh512_p[]={
223         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
224         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
225         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
226         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
227         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
228         0x47,0x74,0xE8,0x33,
229         };
230 static unsigned char dh512_g[]={
231         0x02,
232         };
233
234 static DH *get_dh512(void)
235         {
236         DH *dh=NULL;
237
238         if ((dh=DH_new()) == NULL) return(NULL);
239         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
240         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
241         if ((dh->p == NULL) || (dh->g == NULL))
242                 return(NULL);
243         return(dh);
244         }
245 #endif
246
247
248 /* static int load_CA(SSL_CTX *ctx, char *file);*/
249
250 #undef BUFSIZZ
251 #define BUFSIZZ 16*1024
252 static int bufsize=BUFSIZZ;
253 static int accept_socket= -1;
254
255 #define TEST_CERT       "server.pem"
256 #ifndef OPENSSL_NO_TLSEXT
257 #define TEST_CERT2      "server2.pem"
258 #endif
259 #undef PROG
260 #define PROG            s_server_main
261
262 extern int verify_depth, verify_return_error;
263
264 static char *cipher=NULL;
265 static int s_server_verify=SSL_VERIFY_NONE;
266 static int s_server_session_id_context = 1; /* anything will do */
267 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL;
268 #ifndef OPENSSL_NO_TLSEXT
269 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
270 #endif
271 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
272 #ifdef FIONBIO
273 static int s_nbio=0;
274 #endif
275 static int s_nbio_test=0;
276 int s_crlf=0;
277 static SSL_CTX *ctx=NULL;
278 #ifndef OPENSSL_NO_TLSEXT
279 static SSL_CTX *ctx2=NULL;
280 #endif
281 static int www=0;
282
283 static BIO *bio_s_out=NULL;
284 static int s_debug=0;
285 #ifndef OPENSSL_NO_TLSEXT
286 static int s_tlsextdebug=0;
287 static int s_tlsextstatus=0;
288 static int cert_status_cb(SSL *s, void *arg);
289 #endif
290 static int s_msg=0;
291 static int s_quiet=0;
292
293 static int hack=0;
294 #ifndef OPENSSL_NO_ENGINE
295 static char *engine_id=NULL;
296 #endif
297 static const char *session_id_prefix=NULL;
298
299 static int enable_timeouts = 0;
300 static long socket_mtu;
301 #ifndef OPENSSL_NO_DTLS1
302 static int cert_chain = 0;
303 #endif
304
305 #ifndef OPENSSL_NO_PSK
306 static char *psk_identity="Client_identity";
307 char *psk_key=NULL; /* by default PSK is not used */
308
309 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
310         unsigned char *psk, unsigned int max_psk_len)
311         {
312         unsigned int psk_len = 0;
313         int ret;
314         BIGNUM *bn = NULL;
315
316         if (s_debug)
317                 BIO_printf(bio_s_out,"psk_server_cb\n");
318         if (!identity)
319                 {
320                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
321                 goto out_err;
322                 }
323         if (s_debug)
324                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
325                         identity ? (int)strlen(identity) : 0, identity);
326
327         /* here we could lookup the given identity e.g. from a database */
328         if (strcmp(identity, psk_identity) != 0)
329                 {
330                 BIO_printf(bio_s_out, "PSK error: client identity not found"
331                            " (got '%s' expected '%s')\n", identity,
332                            psk_identity);
333                 goto out_err;
334                 }
335         if (s_debug)
336                 BIO_printf(bio_s_out, "PSK client identity found\n");
337
338         /* convert the PSK key to binary */
339         ret = BN_hex2bn(&bn, psk_key);
340         if (!ret)
341                 {
342                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
343                 if (bn)
344                         BN_free(bn);
345                 return 0;
346                 }
347         if (BN_num_bytes(bn) > (int)max_psk_len)
348                 {
349                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
350                         max_psk_len, BN_num_bytes(bn));
351                 BN_free(bn);
352                 return 0;
353                 }
354
355         ret = BN_bn2bin(bn, psk);
356         BN_free(bn);
357
358         if (ret < 0)
359                 goto out_err;
360         psk_len = (unsigned int)ret;
361
362         if (s_debug)
363                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
364         return psk_len;
365  out_err:
366         if (s_debug)
367                 BIO_printf(bio_err, "Error in PSK server callback\n");
368         return 0;
369         }
370 #endif
371
372 #ifdef MONOLITH
373 static void s_server_init(void)
374         {
375         accept_socket=-1;
376         cipher=NULL;
377         s_server_verify=SSL_VERIFY_NONE;
378         s_dcert_file=NULL;
379         s_dkey_file=NULL;
380         s_cert_file=TEST_CERT;
381         s_key_file=NULL;
382 #ifndef OPENSSL_NO_TLSEXT
383         s_cert_file2=TEST_CERT2;
384         s_key_file2=NULL;
385         ctx2=NULL;
386 #endif
387 #ifdef FIONBIO
388         s_nbio=0;
389 #endif
390         s_nbio_test=0;
391         ctx=NULL;
392         www=0;
393
394         bio_s_out=NULL;
395         s_debug=0;
396         s_msg=0;
397         s_quiet=0;
398         hack=0;
399 #ifndef OPENSSL_NO_ENGINE
400         engine_id=NULL;
401 #endif
402         }
403 #endif
404
405 static void sv_usage(void)
406         {
407         BIO_printf(bio_err,"usage: s_server [args ...]\n");
408         BIO_printf(bio_err,"\n");
409         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
410         BIO_printf(bio_err," -context arg  - set session ID context\n");
411         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
412         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
413         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
414         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
415         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
416                            "                 The CRL(s) are appended to the certificate file\n");
417         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
418                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
419                            "                 the certificate file.\n");
420         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
421         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
422         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
423         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
424         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
425         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
426         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
427         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
428         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
429         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
430         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
431         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
432 #ifndef OPENSSL_NO_ECDH
433         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
434                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
435                            "                 (default is nistp256).\n");
436 #endif
437 #ifdef FIONBIO
438         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
439 #endif
440         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
441         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
442         BIO_printf(bio_err," -debug        - Print more output\n");
443         BIO_printf(bio_err," -msg          - Show protocol messages\n");
444         BIO_printf(bio_err," -state        - Print the SSL states\n");
445         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
446         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
447         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
448         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
449         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
450         BIO_printf(bio_err," -quiet        - No server output\n");
451         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
452 #ifndef OPENSSL_NO_PSK
453         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
454         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
455 # ifndef OPENSSL_NO_JPAKE
456         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
457 # endif
458 #endif
459         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
460         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
461         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
462         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
463         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
464         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
465         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
466         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
467         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
468         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
469 #ifndef OPENSSL_NO_DH
470         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
471 #endif
472 #ifndef OPENSSL_NO_ECDH
473         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
474 #endif
475         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
476         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
477         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
478         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
479         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
480 #ifndef OPENSSL_NO_ENGINE
481         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
482 #endif
483         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
484         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
485 #ifndef OPENSSL_NO_TLSEXT
486         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
487         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
488         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
489         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
490         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
491         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
492         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
493         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
494         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
495 #endif
496         }
497
498 static int local_argc=0;
499 static char **local_argv;
500
501 #ifdef CHARSET_EBCDIC
502 static int ebcdic_new(BIO *bi);
503 static int ebcdic_free(BIO *a);
504 static int ebcdic_read(BIO *b, char *out, int outl);
505 static int ebcdic_write(BIO *b, const char *in, int inl);
506 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
507 static int ebcdic_gets(BIO *bp, char *buf, int size);
508 static int ebcdic_puts(BIO *bp, const char *str);
509
510 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
511 static BIO_METHOD methods_ebcdic=
512         {
513         BIO_TYPE_EBCDIC_FILTER,
514         "EBCDIC/ASCII filter",
515         ebcdic_write,
516         ebcdic_read,
517         ebcdic_puts,
518         ebcdic_gets,
519         ebcdic_ctrl,
520         ebcdic_new,
521         ebcdic_free,
522         };
523
524 typedef struct
525 {
526         size_t  alloced;
527         char    buff[1];
528 } EBCDIC_OUTBUFF;
529
530 BIO_METHOD *BIO_f_ebcdic_filter()
531 {
532         return(&methods_ebcdic);
533 }
534
535 static int ebcdic_new(BIO *bi)
536 {
537         EBCDIC_OUTBUFF *wbuf;
538
539         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
540         wbuf->alloced = 1024;
541         wbuf->buff[0] = '\0';
542
543         bi->ptr=(char *)wbuf;
544         bi->init=1;
545         bi->flags=0;
546         return(1);
547 }
548
549 static int ebcdic_free(BIO *a)
550 {
551         if (a == NULL) return(0);
552         if (a->ptr != NULL)
553                 OPENSSL_free(a->ptr);
554         a->ptr=NULL;
555         a->init=0;
556         a->flags=0;
557         return(1);
558 }
559         
560 static int ebcdic_read(BIO *b, char *out, int outl)
561 {
562         int ret=0;
563
564         if (out == NULL || outl == 0) return(0);
565         if (b->next_bio == NULL) return(0);
566
567         ret=BIO_read(b->next_bio,out,outl);
568         if (ret > 0)
569                 ascii2ebcdic(out,out,ret);
570         return(ret);
571 }
572
573 static int ebcdic_write(BIO *b, const char *in, int inl)
574 {
575         EBCDIC_OUTBUFF *wbuf;
576         int ret=0;
577         int num;
578         unsigned char n;
579
580         if ((in == NULL) || (inl <= 0)) return(0);
581         if (b->next_bio == NULL) return(0);
582
583         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
584
585         if (inl > (num = wbuf->alloced))
586         {
587                 num = num + num;  /* double the size */
588                 if (num < inl)
589                         num = inl;
590                 OPENSSL_free(wbuf);
591                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
592
593                 wbuf->alloced = num;
594                 wbuf->buff[0] = '\0';
595
596                 b->ptr=(char *)wbuf;
597         }
598
599         ebcdic2ascii(wbuf->buff, in, inl);
600
601         ret=BIO_write(b->next_bio, wbuf->buff, inl);
602
603         return(ret);
604 }
605
606 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
607 {
608         long ret;
609
610         if (b->next_bio == NULL) return(0);
611         switch (cmd)
612         {
613         case BIO_CTRL_DUP:
614                 ret=0L;
615                 break;
616         default:
617                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
618                 break;
619         }
620         return(ret);
621 }
622
623 static int ebcdic_gets(BIO *bp, char *buf, int size)
624 {
625         int i, ret=0;
626         if (bp->next_bio == NULL) return(0);
627 /*      return(BIO_gets(bp->next_bio,buf,size));*/
628         for (i=0; i<size-1; ++i)
629         {
630                 ret = ebcdic_read(bp,&buf[i],1);
631                 if (ret <= 0)
632                         break;
633                 else if (buf[i] == '\n')
634                 {
635                         ++i;
636                         break;
637                 }
638         }
639         if (i < size)
640                 buf[i] = '\0';
641         return (ret < 0 && i == 0) ? ret : i;
642 }
643
644 static int ebcdic_puts(BIO *bp, const char *str)
645 {
646         if (bp->next_bio == NULL) return(0);
647         return ebcdic_write(bp, str, strlen(str));
648 }
649 #endif
650
651 #ifndef OPENSSL_NO_TLSEXT
652
653 /* This is a context that we pass to callbacks */
654 typedef struct tlsextctx_st {
655    char * servername;
656    BIO * biodebug;
657    int extension_error;
658 } tlsextctx;
659
660
661 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
662         {
663         tlsextctx * p = (tlsextctx *) arg;
664         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
665         if (servername && p->biodebug) 
666                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
667         
668         if (!p->servername)
669                 return SSL_TLSEXT_ERR_NOACK;
670         
671         if (servername)
672                 {
673                 if (strcmp(servername,p->servername)) 
674                         return p->extension_error;
675                 if (ctx2)
676                         {
677                         BIO_printf(p->biodebug,"Switching server context.\n");
678                         SSL_set_SSL_CTX(s,ctx2);
679                         }     
680                 }
681         return SSL_TLSEXT_ERR_OK;
682 }
683
684 /* Structure passed to cert status callback */
685
686 typedef struct tlsextstatusctx_st {
687    /* Default responder to use */
688    char *host, *path, *port;
689    int use_ssl;
690    int timeout;
691    BIO *err;
692    int verbose;
693 } tlsextstatusctx;
694
695 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
696
697 /* Certificate Status callback. This is called when a client includes a
698  * certificate status request extension.
699  *
700  * This is a simplified version. It examines certificates each time and
701  * makes one OCSP responder query for each request.
702  *
703  * A full version would store details such as the OCSP certificate IDs and
704  * minimise the number of OCSP responses by caching them until they were
705  * considered "expired".
706  */
707
708 static int cert_status_cb(SSL *s, void *arg)
709         {
710         tlsextstatusctx *srctx = arg;
711         BIO *err = srctx->err;
712         char *host, *port, *path;
713         int use_ssl;
714         unsigned char *rspder = NULL;
715         int rspderlen;
716         STACK_OF(OPENSSL_STRING) *aia = NULL;
717         X509 *x = NULL;
718         X509_STORE_CTX inctx;
719         X509_OBJECT obj;
720         OCSP_REQUEST *req = NULL;
721         OCSP_RESPONSE *resp = NULL;
722         OCSP_CERTID *id = NULL;
723         STACK_OF(X509_EXTENSION) *exts;
724         int ret = SSL_TLSEXT_ERR_NOACK;
725         int i;
726 #if 0
727 STACK_OF(OCSP_RESPID) *ids;
728 SSL_get_tlsext_status_ids(s, &ids);
729 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
730 #endif
731         if (srctx->verbose)
732                 BIO_puts(err, "cert_status: callback called\n");
733         /* Build up OCSP query from server certificate */
734         x = SSL_get_certificate(s);
735         aia = X509_get1_ocsp(x);
736         if (aia)
737                 {
738                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
739                         &host, &port, &path, &use_ssl))
740                         {
741                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
742                         goto err;
743                         }
744                 if (srctx->verbose)
745                         BIO_printf(err, "cert_status: AIA URL: %s\n",
746                                         sk_OPENSSL_STRING_value(aia, 0));
747                 }
748         else
749                 {
750                 if (!srctx->host)
751                         {
752                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
753                         goto done;
754                         }
755                 host = srctx->host;
756                 path = srctx->path;
757                 port = srctx->port;
758                 use_ssl = srctx->use_ssl;
759                 }
760                 
761         if (!X509_STORE_CTX_init(&inctx,
762                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
763                                 NULL, NULL))
764                 goto err;
765         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
766                                 X509_get_issuer_name(x),&obj) <= 0)
767                 {
768                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
769                 X509_STORE_CTX_cleanup(&inctx);
770                 goto done;
771                 }
772         req = OCSP_REQUEST_new();
773         if (!req)
774                 goto err;
775         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
776         X509_free(obj.data.x509);
777         X509_STORE_CTX_cleanup(&inctx);
778         if (!id)
779                 goto err;
780         if (!OCSP_request_add0_id(req, id))
781                 goto err;
782         id = NULL;
783         /* Add any extensions to the request */
784         SSL_get_tlsext_status_exts(s, &exts);
785         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
786                 {
787                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
788                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
789                         goto err;
790                 }
791         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
792                                         srctx->timeout);
793         if (!resp)
794                 {
795                 BIO_puts(err, "cert_status: error querying responder\n");
796                 goto done;
797                 }
798         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
799         if (rspderlen <= 0)
800                 goto err;
801         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
802         if (srctx->verbose)
803                 {
804                 BIO_puts(err, "cert_status: ocsp response sent:\n");
805                 OCSP_RESPONSE_print(err, resp, 2);
806                 }
807         ret = SSL_TLSEXT_ERR_OK;
808         done:
809         if (ret != SSL_TLSEXT_ERR_OK)
810                 ERR_print_errors(err);
811         if (aia)
812                 {
813                 OPENSSL_free(host);
814                 OPENSSL_free(path);
815                 OPENSSL_free(port);
816                 X509_email_free(aia);
817                 }
818         if (id)
819                 OCSP_CERTID_free(id);
820         if (req)
821                 OCSP_REQUEST_free(req);
822         if (resp)
823                 OCSP_RESPONSE_free(resp);
824         return ret;
825         err:
826         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
827         goto done;
828         }
829 #endif
830
831 int MAIN(int, char **);
832
833 #ifndef OPENSSL_NO_JPAKE
834 static char *jpake_secret = NULL;
835 #endif
836
837 int MAIN(int argc, char *argv[])
838         {
839         X509_VERIFY_PARAM *vpm = NULL;
840         int badarg = 0;
841         short port=PORT;
842         char *CApath=NULL,*CAfile=NULL;
843         unsigned char *context = NULL;
844         char *dhfile = NULL;
845 #ifndef OPENSSL_NO_ECDH
846         char *named_curve = NULL;
847 #endif
848         int badop=0,bugs=0;
849         int ret=1;
850         int off=0;
851         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
852         int state=0;
853         const SSL_METHOD *meth=NULL;
854         int socket_type=SOCK_STREAM;
855         ENGINE *e=NULL;
856         char *inrand=NULL;
857         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
858         char *passarg = NULL, *pass = NULL;
859         char *dpassarg = NULL, *dpass = NULL;
860         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
861         X509 *s_cert = NULL, *s_dcert = NULL;
862         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
863         int no_cache = 0;
864 #ifndef OPENSSL_NO_TLSEXT
865         EVP_PKEY *s_key2 = NULL;
866         X509 *s_cert2 = NULL;
867 #endif
868 #ifndef OPENSSL_NO_TLSEXT
869         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
870 #endif
871 #ifndef OPENSSL_NO_PSK
872         /* by default do not send a PSK identity hint */
873         static char *psk_identity_hint=NULL;
874 #endif
875 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
876         meth=SSLv23_server_method();
877 #elif !defined(OPENSSL_NO_SSL3)
878         meth=SSLv3_server_method();
879 #elif !defined(OPENSSL_NO_SSL2)
880         meth=SSLv2_server_method();
881 #endif
882
883         local_argc=argc;
884         local_argv=argv;
885
886         apps_startup();
887 #ifdef MONOLITH
888         s_server_init();
889 #endif
890
891         if (bio_err == NULL)
892                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
893
894         if (!load_config(bio_err, NULL))
895                 goto end;
896
897         verify_depth=0;
898 #ifdef FIONBIO
899         s_nbio=0;
900 #endif
901         s_nbio_test=0;
902
903         argc--;
904         argv++;
905
906         while (argc >= 1)
907                 {
908                 if      ((strcmp(*argv,"-port") == 0) ||
909                          (strcmp(*argv,"-accept") == 0))
910                         {
911                         if (--argc < 1) goto bad;
912                         if (!extract_port(*(++argv),&port))
913                                 goto bad;
914                         }
915                 else if (strcmp(*argv,"-verify") == 0)
916                         {
917                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
918                         if (--argc < 1) goto bad;
919                         verify_depth=atoi(*(++argv));
920                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
921                         }
922                 else if (strcmp(*argv,"-Verify") == 0)
923                         {
924                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
925                                 SSL_VERIFY_CLIENT_ONCE;
926                         if (--argc < 1) goto bad;
927                         verify_depth=atoi(*(++argv));
928                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
929                         }
930                 else if (strcmp(*argv,"-context") == 0)
931                         {
932                         if (--argc < 1) goto bad;
933                         context= (unsigned char *)*(++argv);
934                         }
935                 else if (strcmp(*argv,"-cert") == 0)
936                         {
937                         if (--argc < 1) goto bad;
938                         s_cert_file= *(++argv);
939                         }
940                 else if (strcmp(*argv,"-certform") == 0)
941                         {
942                         if (--argc < 1) goto bad;
943                         s_cert_format = str2fmt(*(++argv));
944                         }
945                 else if (strcmp(*argv,"-key") == 0)
946                         {
947                         if (--argc < 1) goto bad;
948                         s_key_file= *(++argv);
949                         }
950                 else if (strcmp(*argv,"-keyform") == 0)
951                         {
952                         if (--argc < 1) goto bad;
953                         s_key_format = str2fmt(*(++argv));
954                         }
955                 else if (strcmp(*argv,"-pass") == 0)
956                         {
957                         if (--argc < 1) goto bad;
958                         passarg = *(++argv);
959                         }
960                 else if (strcmp(*argv,"-dhparam") == 0)
961                         {
962                         if (--argc < 1) goto bad;
963                         dhfile = *(++argv);
964                         }
965 #ifndef OPENSSL_NO_ECDH         
966                 else if (strcmp(*argv,"-named_curve") == 0)
967                         {
968                         if (--argc < 1) goto bad;
969                         named_curve = *(++argv);
970                         }
971 #endif
972                 else if (strcmp(*argv,"-dcertform") == 0)
973                         {
974                         if (--argc < 1) goto bad;
975                         s_dcert_format = str2fmt(*(++argv));
976                         }
977                 else if (strcmp(*argv,"-dcert") == 0)
978                         {
979                         if (--argc < 1) goto bad;
980                         s_dcert_file= *(++argv);
981                         }
982                 else if (strcmp(*argv,"-dkeyform") == 0)
983                         {
984                         if (--argc < 1) goto bad;
985                         s_dkey_format = str2fmt(*(++argv));
986                         }
987                 else if (strcmp(*argv,"-dpass") == 0)
988                         {
989                         if (--argc < 1) goto bad;
990                         dpassarg = *(++argv);
991                         }
992                 else if (strcmp(*argv,"-dkey") == 0)
993                         {
994                         if (--argc < 1) goto bad;
995                         s_dkey_file= *(++argv);
996                         }
997                 else if (strcmp(*argv,"-nocert") == 0)
998                         {
999                         nocert=1;
1000                         }
1001                 else if (strcmp(*argv,"-CApath") == 0)
1002                         {
1003                         if (--argc < 1) goto bad;
1004                         CApath= *(++argv);
1005                         }
1006                 else if (strcmp(*argv,"-no_cache") == 0)
1007                         no_cache = 1;
1008                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1009                         {
1010                         if (badarg)
1011                                 goto bad;
1012                         continue;
1013                         }
1014                 else if (strcmp(*argv,"-verify_return_error") == 0)
1015                         verify_return_error = 1;
1016                 else if (strcmp(*argv,"-serverpref") == 0)
1017                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1018                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1019                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1020                 else if (strcmp(*argv,"-cipher") == 0)
1021                         {
1022                         if (--argc < 1) goto bad;
1023                         cipher= *(++argv);
1024                         }
1025                 else if (strcmp(*argv,"-CAfile") == 0)
1026                         {
1027                         if (--argc < 1) goto bad;
1028                         CAfile= *(++argv);
1029                         }
1030 #ifdef FIONBIO  
1031                 else if (strcmp(*argv,"-nbio") == 0)
1032                         { s_nbio=1; }
1033 #endif
1034                 else if (strcmp(*argv,"-nbio_test") == 0)
1035                         {
1036 #ifdef FIONBIO  
1037                         s_nbio=1;
1038 #endif
1039                         s_nbio_test=1;
1040                         }
1041                 else if (strcmp(*argv,"-debug") == 0)
1042                         { s_debug=1; }
1043 #ifndef OPENSSL_NO_TLSEXT
1044                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1045                         s_tlsextdebug=1;
1046                 else if (strcmp(*argv,"-status") == 0)
1047                         s_tlsextstatus=1;
1048                 else if (strcmp(*argv,"-status_verbose") == 0)
1049                         {
1050                         s_tlsextstatus=1;
1051                         tlscstatp.verbose = 1;
1052                         }
1053                 else if (!strcmp(*argv, "-status_timeout"))
1054                         {
1055                         s_tlsextstatus=1;
1056                         if (--argc < 1) goto bad;
1057                         tlscstatp.timeout = atoi(*(++argv));
1058                         }
1059                 else if (!strcmp(*argv, "-status_url"))
1060                         {
1061                         s_tlsextstatus=1;
1062                         if (--argc < 1) goto bad;
1063                         if (!OCSP_parse_url(*(++argv),
1064                                         &tlscstatp.host,
1065                                         &tlscstatp.port,
1066                                         &tlscstatp.path,
1067                                         &tlscstatp.use_ssl))
1068                                 {
1069                                 BIO_printf(bio_err, "Error parsing URL\n");
1070                                 goto bad;
1071                                 }
1072                         }
1073 #endif
1074                 else if (strcmp(*argv,"-msg") == 0)
1075                         { s_msg=1; }
1076                 else if (strcmp(*argv,"-hack") == 0)
1077                         { hack=1; }
1078                 else if (strcmp(*argv,"-state") == 0)
1079                         { state=1; }
1080                 else if (strcmp(*argv,"-crlf") == 0)
1081                         { s_crlf=1; }
1082                 else if (strcmp(*argv,"-quiet") == 0)
1083                         { s_quiet=1; }
1084                 else if (strcmp(*argv,"-bugs") == 0)
1085                         { bugs=1; }
1086                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1087                         { no_tmp_rsa=1; }
1088                 else if (strcmp(*argv,"-no_dhe") == 0)
1089                         { no_dhe=1; }
1090                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1091                         { no_ecdhe=1; }
1092 #ifndef OPENSSL_NO_PSK
1093                 else if (strcmp(*argv,"-psk_hint") == 0)
1094                         {
1095                         if (--argc < 1) goto bad;
1096                         psk_identity_hint= *(++argv);
1097                         }
1098                 else if (strcmp(*argv,"-psk") == 0)
1099                         {
1100                         size_t i;
1101
1102                         if (--argc < 1) goto bad;
1103                         psk_key=*(++argv);
1104                         for (i=0; i<strlen(psk_key); i++)
1105                                 {
1106                                 if (isxdigit((int)psk_key[i]))
1107                                         continue;
1108                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1109                                 goto bad;
1110                                 }
1111                         }
1112 #endif
1113                 else if (strcmp(*argv,"-www") == 0)
1114                         { www=1; }
1115                 else if (strcmp(*argv,"-WWW") == 0)
1116                         { www=2; }
1117                 else if (strcmp(*argv,"-HTTP") == 0)
1118                         { www=3; }
1119                 else if (strcmp(*argv,"-no_ssl2") == 0)
1120                         { off|=SSL_OP_NO_SSLv2; }
1121                 else if (strcmp(*argv,"-no_ssl3") == 0)
1122                         { off|=SSL_OP_NO_SSLv3; }
1123                 else if (strcmp(*argv,"-no_tls1") == 0)
1124                         { off|=SSL_OP_NO_TLSv1; }
1125                 else if (strcmp(*argv,"-no_comp") == 0)
1126                         { off|=SSL_OP_NO_COMPRESSION; }
1127 #ifndef OPENSSL_NO_TLSEXT
1128                 else if (strcmp(*argv,"-no_ticket") == 0)
1129                         { off|=SSL_OP_NO_TICKET; }
1130 #endif
1131 #ifndef OPENSSL_NO_SSL2
1132                 else if (strcmp(*argv,"-ssl2") == 0)
1133                         { meth=SSLv2_server_method(); }
1134 #endif
1135 #ifndef OPENSSL_NO_SSL3
1136                 else if (strcmp(*argv,"-ssl3") == 0)
1137                         { meth=SSLv3_server_method(); }
1138 #endif
1139 #ifndef OPENSSL_NO_TLS1
1140                 else if (strcmp(*argv,"-tls1") == 0)
1141                         { meth=TLSv1_server_method(); }
1142 #endif
1143 #ifndef OPENSSL_NO_DTLS1
1144                 else if (strcmp(*argv,"-dtls1") == 0)
1145                         { 
1146                         meth=DTLSv1_server_method();
1147                         socket_type = SOCK_DGRAM;
1148                         }
1149                 else if (strcmp(*argv,"-timeout") == 0)
1150                         enable_timeouts = 1;
1151                 else if (strcmp(*argv,"-mtu") == 0)
1152                         {
1153                         if (--argc < 1) goto bad;
1154                         socket_mtu = atol(*(++argv));
1155                         }
1156                 else if (strcmp(*argv, "-chain") == 0)
1157                         cert_chain = 1;
1158 #endif
1159                 else if (strcmp(*argv, "-id_prefix") == 0)
1160                         {
1161                         if (--argc < 1) goto bad;
1162                         session_id_prefix = *(++argv);
1163                         }
1164 #ifndef OPENSSL_NO_ENGINE
1165                 else if (strcmp(*argv,"-engine") == 0)
1166                         {
1167                         if (--argc < 1) goto bad;
1168                         engine_id= *(++argv);
1169                         }
1170 #endif
1171                 else if (strcmp(*argv,"-rand") == 0)
1172                         {
1173                         if (--argc < 1) goto bad;
1174                         inrand= *(++argv);
1175                         }
1176 #ifndef OPENSSL_NO_TLSEXT
1177                 else if (strcmp(*argv,"-servername") == 0)
1178                         {
1179                         if (--argc < 1) goto bad;
1180                         tlsextcbp.servername= *(++argv);
1181                         }
1182                 else if (strcmp(*argv,"-servername_fatal") == 0)
1183                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1184                 else if (strcmp(*argv,"-cert2") == 0)
1185                         {
1186                         if (--argc < 1) goto bad;
1187                         s_cert_file2= *(++argv);
1188                         }
1189                 else if (strcmp(*argv,"-key2") == 0)
1190                         {
1191                         if (--argc < 1) goto bad;
1192                         s_key_file2= *(++argv);
1193                         }
1194                         
1195 #endif
1196 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1197                 else if (strcmp(*argv,"-jpake") == 0)
1198                         {
1199                         if (--argc < 1) goto bad;
1200                         jpake_secret = *(++argv);
1201                         }
1202 #endif
1203                 else
1204                         {
1205                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1206                         badop=1;
1207                         break;
1208                         }
1209                 argc--;
1210                 argv++;
1211                 }
1212         if (badop)
1213                 {
1214 bad:
1215                 sv_usage();
1216                 goto end;
1217                 }
1218
1219 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1220         if (jpake_secret)
1221                 {
1222                 if (psk_key)
1223                         {
1224                         BIO_printf(bio_err,
1225                                    "Can't use JPAKE and PSK together\n");
1226                         goto end;
1227                         }
1228                 psk_identity = "JPAKE";
1229                 if (cipher)
1230                         {
1231                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1232                         goto end;
1233                         }
1234                 cipher = "PSK";
1235                 }
1236
1237 #endif
1238
1239         SSL_load_error_strings();
1240         OpenSSL_add_ssl_algorithms();
1241
1242 #ifndef OPENSSL_NO_ENGINE
1243         e = setup_engine(bio_err, engine_id, 1);
1244 #endif
1245
1246         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1247                 {
1248                 BIO_printf(bio_err, "Error getting password\n");
1249                 goto end;
1250                 }
1251
1252
1253         if (s_key_file == NULL)
1254                 s_key_file = s_cert_file;
1255 #ifndef OPENSSL_NO_TLSEXT
1256         if (s_key_file2 == NULL)
1257                 s_key_file2 = s_cert_file2;
1258 #endif
1259
1260         if (nocert == 0)
1261                 {
1262                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1263                        "server certificate private key file");
1264                 if (!s_key)
1265                         {
1266                         ERR_print_errors(bio_err);
1267                         goto end;
1268                         }
1269
1270                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1271                         NULL, e, "server certificate file");
1272
1273                 if (!s_cert)
1274                         {
1275                         ERR_print_errors(bio_err);
1276                         goto end;
1277                         }
1278
1279 #ifndef OPENSSL_NO_TLSEXT
1280                 if (tlsextcbp.servername) 
1281                         {
1282                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1283                                 "second server certificate private key file");
1284                         if (!s_key2)
1285                                 {
1286                                 ERR_print_errors(bio_err);
1287                                 goto end;
1288                                 }
1289                         
1290                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1291                                 NULL, e, "second server certificate file");
1292                         
1293                         if (!s_cert2)
1294                                 {
1295                                 ERR_print_errors(bio_err);
1296                                 goto end;
1297                                 }
1298                         }
1299 #endif
1300                 }
1301
1302
1303         if (s_dcert_file)
1304                 {
1305
1306                 if (s_dkey_file == NULL)
1307                         s_dkey_file = s_dcert_file;
1308
1309                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1310                                 0, dpass, e,
1311                                "second certificate private key file");
1312                 if (!s_dkey)
1313                         {
1314                         ERR_print_errors(bio_err);
1315                         goto end;
1316                         }
1317
1318                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1319                                 NULL, e, "second server certificate file");
1320
1321                 if (!s_dcert)
1322                         {
1323                         ERR_print_errors(bio_err);
1324                         goto end;
1325                         }
1326
1327                 }
1328
1329         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1330                 && !RAND_status())
1331                 {
1332                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1333                 }
1334         if (inrand != NULL)
1335                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1336                         app_RAND_load_files(inrand));
1337
1338         if (bio_s_out == NULL)
1339                 {
1340                 if (s_quiet && !s_debug && !s_msg)
1341                         {
1342                         bio_s_out=BIO_new(BIO_s_null());
1343                         }
1344                 else
1345                         {
1346                         if (bio_s_out == NULL)
1347                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1348                         }
1349                 }
1350
1351 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1352         if (nocert)
1353 #endif
1354                 {
1355                 s_cert_file=NULL;
1356                 s_key_file=NULL;
1357                 s_dcert_file=NULL;
1358                 s_dkey_file=NULL;
1359 #ifndef OPENSSL_NO_TLSEXT
1360                 s_cert_file2=NULL;
1361                 s_key_file2=NULL;
1362 #endif
1363                 }
1364
1365         ctx=SSL_CTX_new(meth);
1366         if (ctx == NULL)
1367                 {
1368                 ERR_print_errors(bio_err);
1369                 goto end;
1370                 }
1371         if (session_id_prefix)
1372                 {
1373                 if(strlen(session_id_prefix) >= 32)
1374                         BIO_printf(bio_err,
1375 "warning: id_prefix is too long, only one new session will be possible\n");
1376                 else if(strlen(session_id_prefix) >= 16)
1377                         BIO_printf(bio_err,
1378 "warning: id_prefix is too long if you use SSLv2\n");
1379                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1380                         {
1381                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1382                         ERR_print_errors(bio_err);
1383                         goto end;
1384                         }
1385                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1386                 }
1387         SSL_CTX_set_quiet_shutdown(ctx,1);
1388         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1389         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1390         SSL_CTX_set_options(ctx,off);
1391         /* DTLS: partial reads end up discarding unread UDP bytes :-( 
1392          * Setting read ahead solves this problem.
1393          */
1394         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1395
1396         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1397         if (no_cache)
1398                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1399         else
1400                 SSL_CTX_sess_set_cache_size(ctx,128);
1401
1402 #if 0
1403         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1404 #endif
1405
1406 #if 0
1407         if (s_cert_file == NULL)
1408                 {
1409                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1410                 goto end;
1411                 }
1412 #endif
1413
1414         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1415                 (!SSL_CTX_set_default_verify_paths(ctx)))
1416                 {
1417                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1418                 ERR_print_errors(bio_err);
1419                 /* goto end; */
1420                 }
1421         if (vpm)
1422                 SSL_CTX_set1_param(ctx, vpm);
1423
1424 #ifndef OPENSSL_NO_TLSEXT
1425         if (s_cert2)
1426                 {
1427                 ctx2=SSL_CTX_new(meth);
1428                 if (ctx2 == NULL)
1429                         {
1430                         ERR_print_errors(bio_err);
1431                         goto end;
1432                         }
1433                 }
1434         
1435         if (ctx2)
1436                 {
1437                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1438
1439                 if (session_id_prefix)
1440                         {
1441                         if(strlen(session_id_prefix) >= 32)
1442                                 BIO_printf(bio_err,
1443                                         "warning: id_prefix is too long, only one new session will be possible\n");
1444                         else if(strlen(session_id_prefix) >= 16)
1445                                 BIO_printf(bio_err,
1446                                         "warning: id_prefix is too long if you use SSLv2\n");
1447                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1448                                 {
1449                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1450                                 ERR_print_errors(bio_err);
1451                                 goto end;
1452                                 }
1453                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1454                         }
1455                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1456                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1457                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1458                 SSL_CTX_set_options(ctx2,off);
1459                 /* DTLS: partial reads end up discarding unread UDP bytes :-( 
1460                  * Setting read ahead solves this problem.
1461                  */
1462                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1463
1464                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1465
1466                 if (no_cache)
1467                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1468                 else
1469                         SSL_CTX_sess_set_cache_size(ctx2,128);
1470
1471                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1472                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1473                         {
1474                         ERR_print_errors(bio_err);
1475                         }
1476                 if (vpm)
1477                         SSL_CTX_set1_param(ctx2, vpm);
1478                 }
1479 #endif 
1480
1481 #ifndef OPENSSL_NO_DH
1482         if (!no_dhe)
1483                 {
1484                 DH *dh=NULL;
1485
1486                 if (dhfile)
1487                         dh = load_dh_param(dhfile);
1488                 else if (s_cert_file)
1489                         dh = load_dh_param(s_cert_file);
1490
1491                 if (dh != NULL)
1492                         {
1493                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1494                         }
1495                 else
1496                         {
1497                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1498                         dh=get_dh512();
1499                         }
1500                 (void)BIO_flush(bio_s_out);
1501
1502                 SSL_CTX_set_tmp_dh(ctx,dh);
1503 #ifndef OPENSSL_NO_TLSEXT
1504                 if (ctx2)
1505                         {
1506                         if (!dhfile)
1507                                 { 
1508                                 DH *dh2=load_dh_param(s_cert_file2);
1509                                 if (dh2 != NULL)
1510                                         {
1511                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1512                                         (void)BIO_flush(bio_s_out);
1513
1514                                         DH_free(dh);
1515                                         dh = dh2;
1516                                         }
1517                                 }
1518                         SSL_CTX_set_tmp_dh(ctx2,dh);
1519                         }
1520 #endif
1521                 DH_free(dh);
1522                 }
1523 #endif
1524
1525 #ifndef OPENSSL_NO_ECDH
1526         if (!no_ecdhe)
1527                 {
1528                 EC_KEY *ecdh=NULL;
1529
1530                 if (named_curve)
1531                         {
1532                         int nid = OBJ_sn2nid(named_curve);
1533
1534                         if (nid == 0)
1535                                 {
1536                                 BIO_printf(bio_err, "unknown curve name (%s)\n", 
1537                                         named_curve);
1538                                 goto end;
1539                                 }
1540                         ecdh = EC_KEY_new_by_curve_name(nid);
1541                         if (ecdh == NULL)
1542                                 {
1543                                 BIO_printf(bio_err, "unable to create curve (%s)\n", 
1544                                         named_curve);
1545                                 goto end;
1546                                 }
1547                         }
1548
1549                 if (ecdh != NULL)
1550                         {
1551                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1552                         }
1553                 else
1554                         {
1555                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1556                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1557                         if (ecdh == NULL) 
1558                                 {
1559                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1560                                 goto end;
1561                                 }
1562                         }
1563                 (void)BIO_flush(bio_s_out);
1564
1565                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1566 #ifndef OPENSSL_NO_TLSEXT
1567                 if (ctx2) 
1568                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1569 #endif
1570                 EC_KEY_free(ecdh);
1571                 }
1572 #endif
1573         
1574         if (!set_cert_key_stuff(ctx,s_cert,s_key))
1575                 goto end;
1576 #ifndef OPENSSL_NO_TLSEXT
1577         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2))
1578                 goto end; 
1579 #endif
1580         if (s_dcert != NULL)
1581                 {
1582                 if (!set_cert_key_stuff(ctx,s_dcert,s_dkey))
1583                         goto end;
1584                 }
1585
1586 #ifndef OPENSSL_NO_RSA
1587 #if 1
1588         if (!no_tmp_rsa)
1589                 {
1590                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1591 #ifndef OPENSSL_NO_TLSEXT
1592                 if (ctx2) 
1593                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1594 #endif          
1595                 }
1596 #else
1597         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1598                 {
1599                 RSA *rsa;
1600
1601                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1602                 BIO_flush(bio_s_out);
1603
1604                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1605
1606                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1607                         {
1608                         ERR_print_errors(bio_err);
1609                         goto end;
1610                         }
1611 #ifndef OPENSSL_NO_TLSEXT
1612                         if (ctx2)
1613                                 {
1614                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1615                                         {
1616                                         ERR_print_errors(bio_err);
1617                                         goto end;
1618                                         }
1619                                 }
1620 #endif
1621                 RSA_free(rsa);
1622                 BIO_printf(bio_s_out,"\n");
1623                 }
1624 #endif
1625 #endif
1626
1627 #ifndef OPENSSL_NO_PSK
1628 #ifdef OPENSSL_NO_JPAKE
1629         if (psk_key != NULL)
1630 #else
1631         if (psk_key != NULL || jpake_secret)
1632 #endif
1633                 {
1634                 if (s_debug)
1635                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1636                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1637                 }
1638
1639         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1640                 {
1641                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1642                 ERR_print_errors(bio_err);
1643                 goto end;
1644                 }
1645 #endif
1646
1647         if (cipher != NULL)
1648                 {
1649                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1650                         {
1651                         BIO_printf(bio_err,"error setting cipher list\n");
1652                         ERR_print_errors(bio_err);
1653                         goto end;
1654                         }
1655 #ifndef OPENSSL_NO_TLSEXT
1656                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1657                         {
1658                         BIO_printf(bio_err,"error setting cipher list\n");
1659                         ERR_print_errors(bio_err);
1660                         goto end;
1661                         }
1662 #endif
1663                 }
1664         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1665         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1666                 sizeof s_server_session_id_context);
1667
1668         /* Set DTLS cookie generation and verification callbacks */
1669         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1670         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1671
1672 #ifndef OPENSSL_NO_TLSEXT
1673         if (ctx2)
1674                 {
1675                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1676                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1677                         sizeof s_server_session_id_context);
1678
1679                 tlsextcbp.biodebug = bio_s_out;
1680                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1681                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1682                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1683                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1684                 }
1685 #endif
1686
1687         if (CAfile != NULL)
1688                 {
1689                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1690 #ifndef OPENSSL_NO_TLSEXT
1691                 if (ctx2) 
1692                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1693 #endif
1694                 }
1695
1696         BIO_printf(bio_s_out,"ACCEPT\n");
1697         (void)BIO_flush(bio_s_out);
1698         if (www)
1699                 do_server(port,socket_type,&accept_socket,www_body, context);
1700         else
1701                 do_server(port,socket_type,&accept_socket,sv_body, context);
1702         print_stats(bio_s_out,ctx);
1703         ret=0;
1704 end:
1705         if (ctx != NULL) SSL_CTX_free(ctx);
1706         if (s_cert)
1707                 X509_free(s_cert);
1708         if (s_dcert)
1709                 X509_free(s_dcert);
1710         if (s_key)
1711                 EVP_PKEY_free(s_key);
1712         if (s_dkey)
1713                 EVP_PKEY_free(s_dkey);
1714         if (pass)
1715                 OPENSSL_free(pass);
1716         if (dpass)
1717                 OPENSSL_free(dpass);
1718 #ifndef OPENSSL_NO_TLSEXT
1719         if (ctx2 != NULL) SSL_CTX_free(ctx2);
1720         if (s_cert2)
1721                 X509_free(s_cert2);
1722         if (s_key2)
1723                 EVP_PKEY_free(s_key2);
1724 #endif
1725         if (bio_s_out != NULL)
1726                 {
1727         BIO_free(bio_s_out);
1728                 bio_s_out=NULL;
1729                 }
1730         apps_shutdown();
1731         OPENSSL_EXIT(ret);
1732         }
1733
1734 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1735         {
1736         BIO_printf(bio,"%4ld items in the session cache\n",
1737                 SSL_CTX_sess_number(ssl_ctx));
1738         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
1739                 SSL_CTX_sess_connect(ssl_ctx));
1740         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
1741                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1742         BIO_printf(bio,"%4ld client connects that finished\n",
1743                 SSL_CTX_sess_connect_good(ssl_ctx));
1744         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
1745                 SSL_CTX_sess_accept(ssl_ctx));
1746         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
1747                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1748         BIO_printf(bio,"%4ld server accepts that finished\n",
1749                 SSL_CTX_sess_accept_good(ssl_ctx));
1750         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
1751         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
1752         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
1753         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
1754         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
1755                 SSL_CTX_sess_cache_full(ssl_ctx),
1756                 SSL_CTX_sess_get_cache_size(ssl_ctx));
1757         }
1758
1759 static int sv_body(char *hostname, int s, unsigned char *context)
1760         {
1761         char *buf=NULL;
1762         fd_set readfds;
1763         int ret=1,width;
1764         int k,i;
1765         unsigned long l;
1766         SSL *con=NULL;
1767         BIO *sbio;
1768         struct timeval timeout;
1769 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1770         struct timeval tv;
1771 #else
1772         struct timeval *timeoutp;
1773 #endif
1774
1775         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
1776                 {
1777                 BIO_printf(bio_err,"out of memory\n");
1778                 goto err;
1779                 }
1780 #ifdef FIONBIO  
1781         if (s_nbio)
1782                 {
1783                 unsigned long sl=1;
1784
1785                 if (!s_quiet)
1786                         BIO_printf(bio_err,"turning on non blocking io\n");
1787                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1788                         ERR_print_errors(bio_err);
1789                 }
1790 #endif
1791
1792         if (con == NULL) {
1793                 con=SSL_new(ctx);
1794 #ifndef OPENSSL_NO_TLSEXT
1795         if (s_tlsextdebug)
1796                 {
1797                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1798                 SSL_set_tlsext_debug_arg(con, bio_s_out);
1799                 }
1800         if (s_tlsextstatus)
1801                 {
1802                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1803                 tlscstatp.err = bio_err;
1804                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1805                 }
1806 #endif
1807 #ifndef OPENSSL_NO_KRB5
1808                 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
1809                         {
1810                         kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE,
1811                                                                 KRB5SVC);
1812                         kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB,
1813                                                                 KRB5KEYTAB);
1814                         }
1815 #endif  /* OPENSSL_NO_KRB5 */
1816                 if(context)
1817                       SSL_set_session_id_context(con, context,
1818                                                  strlen((char *)context));
1819         }
1820         SSL_clear(con);
1821 #if 0
1822 #ifdef TLSEXT_TYPE_opaque_prf_input
1823         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
1824 #endif
1825 #endif
1826
1827         if (SSL_version(con) == DTLS1_VERSION)
1828                 {
1829
1830                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1831
1832                 if (enable_timeouts)
1833                         {
1834                         timeout.tv_sec = 0;
1835                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1836                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1837                         
1838                         timeout.tv_sec = 0;
1839                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
1840                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1841                         }
1842
1843                 if (socket_mtu > 28)
1844                         {
1845                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1846                         SSL_set_mtu(con, socket_mtu - 28);
1847                         }
1848                 else
1849                         /* want to do MTU discovery */
1850                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1851
1852         /* turn on cookie exchange */
1853         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
1854                 }
1855         else
1856                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1857
1858         if (s_nbio_test)
1859                 {
1860                 BIO *test;
1861
1862                 test=BIO_new(BIO_f_nbio_test());
1863                 sbio=BIO_push(test,sbio);
1864                 }
1865 #ifndef OPENSSL_NO_JPAKE
1866         if(jpake_secret)
1867                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
1868 #endif
1869
1870         SSL_set_bio(con,sbio,sbio);
1871         SSL_set_accept_state(con);
1872         /* SSL_set_fd(con,s); */
1873
1874         if (s_debug)
1875                 {
1876                 con->debug=1;
1877                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
1878                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
1879                 }
1880         if (s_msg)
1881                 {
1882                 SSL_set_msg_callback(con, msg_cb);
1883                 SSL_set_msg_callback_arg(con, bio_s_out);
1884                 }
1885 #ifndef OPENSSL_NO_TLSEXT
1886         if (s_tlsextdebug)
1887                 {
1888                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1889                 SSL_set_tlsext_debug_arg(con, bio_s_out);
1890                 }
1891 #endif
1892
1893         width=s+1;
1894         for (;;)
1895                 {
1896                 int read_from_terminal;
1897                 int read_from_sslcon;
1898
1899                 read_from_terminal = 0;
1900                 read_from_sslcon = SSL_pending(con);
1901
1902                 if (!read_from_sslcon)
1903                         {
1904                         FD_ZERO(&readfds);
1905 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
1906                         openssl_fdset(fileno(stdin),&readfds);
1907 #endif
1908                         openssl_fdset(s,&readfds);
1909                         /* Note: under VMS with SOCKETSHR the second parameter is
1910                          * currently of type (int *) whereas under other systems
1911                          * it is (void *) if you don't have a cast it will choke
1912                          * the compiler: if you do have a cast then you can either
1913                          * go for (int *) or (void *).
1914                          */
1915 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1916                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
1917                          * on sockets. As a workaround we timeout the select every
1918                          * second and check for any keypress. In a proper Windows
1919                          * application we wouldn't do this because it is inefficient.
1920                          */
1921                         tv.tv_sec = 1;
1922                         tv.tv_usec = 0;
1923                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
1924                         if((i < 0) || (!i && !_kbhit() ) )continue;
1925                         if(_kbhit())
1926                                 read_from_terminal = 1;
1927 #elif defined(OPENSSL_SYS_BEOS_R5)
1928                         /* Under BeOS-R5 the situation is similar to DOS */
1929                         tv.tv_sec = 1;
1930                         tv.tv_usec = 0;
1931                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1932                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
1933                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
1934                                 continue;
1935                         if (read(fileno(stdin), buf, 0) >= 0)
1936                                 read_from_terminal = 1;
1937                         (void)fcntl(fileno(stdin), F_SETFL, 0);
1938 #else
1939                         if ((SSL_version(con) == DTLS1_VERSION) &&
1940                                 DTLSv1_get_timeout(con, &timeout))
1941                                 timeoutp = &timeout;
1942                         else
1943                                 timeoutp = NULL;
1944
1945                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
1946
1947                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1948                                 {
1949                                 BIO_printf(bio_err,"TIMEOUT occured\n");
1950                                 }
1951
1952                         if (i <= 0) continue;
1953                         if (FD_ISSET(fileno(stdin),&readfds))
1954                                 read_from_terminal = 1;
1955 #endif
1956                         if (FD_ISSET(s,&readfds))
1957                                 read_from_sslcon = 1;
1958                         }
1959                 if (read_from_terminal)
1960                         {
1961                         if (s_crlf)
1962                                 {
1963                                 int j, lf_num;
1964
1965                                 i=raw_read_stdin(buf, bufsize/2);
1966                                 lf_num = 0;
1967                                 /* both loops are skipped when i <= 0 */
1968                                 for (j = 0; j < i; j++)
1969                                         if (buf[j] == '\n')
1970                                                 lf_num++;
1971                                 for (j = i-1; j >= 0; j--)
1972                                         {
1973                                         buf[j+lf_num] = buf[j];
1974                                         if (buf[j] == '\n')
1975                                                 {
1976                                                 lf_num--;
1977                                                 i++;
1978                                                 buf[j+lf_num] = '\r';
1979                                                 }
1980                                         }
1981                                 assert(lf_num == 0);
1982                                 }
1983                         else
1984                                 i=raw_read_stdin(buf,bufsize);
1985                         if (!s_quiet)
1986                                 {
1987                                 if ((i <= 0) || (buf[0] == 'Q'))
1988                                         {
1989                                         BIO_printf(bio_s_out,"DONE\n");
1990                                         SHUTDOWN(s);
1991                                         close_accept_socket();
1992                                         ret= -11;
1993                                         goto err;
1994                                         }
1995                                 if ((i <= 0) || (buf[0] == 'q'))
1996                                         {
1997                                         BIO_printf(bio_s_out,"DONE\n");
1998                                         if (SSL_version(con) != DTLS1_VERSION)
1999                         SHUTDOWN(s);
2000         /*                              close_accept_socket();
2001                                         ret= -11;*/
2002                                         goto err;
2003                                         }
2004
2005                                 if ((buf[0] == 'r') && 
2006                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2007                                         {
2008                                         SSL_renegotiate(con);
2009                                         i=SSL_do_handshake(con);
2010                                         printf("SSL_do_handshake -> %d\n",i);
2011                                         i=0; /*13; */
2012                                         continue;
2013                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2014                                         }
2015                                 if ((buf[0] == 'R') &&
2016                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2017                                         {
2018                                         SSL_set_verify(con,
2019                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2020                                         SSL_renegotiate(con);
2021                                         i=SSL_do_handshake(con);
2022                                         printf("SSL_do_handshake -> %d\n",i);
2023                                         i=0; /* 13; */
2024                                         continue;
2025                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2026                                         }
2027                                 if (buf[0] == 'P')
2028                                         {
2029                                         static const char *str="Lets print some clear text\n";
2030                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2031                                         }
2032                                 if (buf[0] == 'S')
2033                                         {
2034                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2035                                         }
2036                                 }
2037 #ifdef CHARSET_EBCDIC
2038                         ebcdic2ascii(buf,buf,i);
2039 #endif
2040                         l=k=0;
2041                         for (;;)
2042                                 {
2043                                 /* should do a select for the write */
2044 #ifdef RENEG
2045 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2046 #endif
2047                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2048                                 switch (SSL_get_error(con,k))
2049                                         {
2050                                 case SSL_ERROR_NONE:
2051                                         break;
2052                                 case SSL_ERROR_WANT_WRITE:
2053                                 case SSL_ERROR_WANT_READ:
2054                                 case SSL_ERROR_WANT_X509_LOOKUP:
2055                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2056                                         break;
2057                                 case SSL_ERROR_SYSCALL:
2058                                 case SSL_ERROR_SSL:
2059                                         BIO_printf(bio_s_out,"ERROR\n");
2060                                         ERR_print_errors(bio_err);
2061                                         ret=1;
2062                                         goto err;
2063                                         /* break; */
2064                                 case SSL_ERROR_ZERO_RETURN:
2065                                         BIO_printf(bio_s_out,"DONE\n");
2066                                         ret=1;
2067                                         goto err;
2068                                         }
2069                                 l+=k;
2070                                 i-=k;
2071                                 if (i <= 0) break;
2072                                 }
2073                         }
2074                 if (read_from_sslcon)
2075                         {
2076                         if (!SSL_is_init_finished(con))
2077                                 {
2078                                 i=init_ssl_connection(con);
2079                                 
2080                                 if (i < 0)
2081                                         {
2082                                         ret=0;
2083                                         goto err;
2084                                         }
2085                                 else if (i == 0)
2086                                         {
2087                                         ret=1;
2088                                         goto err;
2089                                         }
2090                                 }
2091                         else
2092                                 {
2093 again:  
2094                                 i=SSL_read(con,(char *)buf,bufsize);
2095                                 switch (SSL_get_error(con,i))
2096                                         {
2097                                 case SSL_ERROR_NONE:
2098 #ifdef CHARSET_EBCDIC
2099                                         ascii2ebcdic(buf,buf,i);
2100 #endif
2101                                         raw_write_stdout(buf,
2102                                                 (unsigned int)i);
2103                                         if (SSL_pending(con)) goto again;
2104                                         break;
2105                                 case SSL_ERROR_WANT_WRITE:
2106                                 case SSL_ERROR_WANT_READ:
2107                                 case SSL_ERROR_WANT_X509_LOOKUP:
2108                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2109                                         break;
2110                                 case SSL_ERROR_SYSCALL:
2111                                 case SSL_ERROR_SSL:
2112                                         BIO_printf(bio_s_out,"ERROR\n");
2113                                         ERR_print_errors(bio_err);
2114                                         ret=1;
2115                                         goto err;
2116                                 case SSL_ERROR_ZERO_RETURN:
2117                                         BIO_printf(bio_s_out,"DONE\n");
2118                                         ret=1;
2119                                         goto err;
2120                                         }
2121                                 }
2122                         }
2123                 }
2124 err:
2125         if (con != NULL)
2126                 {
2127                 BIO_printf(bio_s_out,"shutting down SSL\n");
2128 #if 1
2129                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2130 #else
2131                 SSL_shutdown(con);
2132 #endif
2133                 SSL_free(con);
2134                 }
2135         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2136         if (buf != NULL)
2137                 {
2138                 OPENSSL_cleanse(buf,bufsize);
2139                 OPENSSL_free(buf);
2140                 }
2141         if (ret >= 0)
2142                 BIO_printf(bio_s_out,"ACCEPT\n");
2143         return(ret);
2144         }
2145
2146 static void close_accept_socket(void)
2147         {
2148         BIO_printf(bio_err,"shutdown accept socket\n");
2149         if (accept_socket >= 0)
2150                 {
2151                 SHUTDOWN2(accept_socket);
2152                 }
2153         }
2154
2155 static int init_ssl_connection(SSL *con)
2156         {
2157         int i;
2158         const char *str;
2159         X509 *peer;
2160         long verify_error;
2161         MS_STATIC char buf[BUFSIZ];
2162
2163         if ((i=SSL_accept(con)) <= 0)
2164                 {
2165                 if (BIO_sock_should_retry(i))
2166                         {
2167                         BIO_printf(bio_s_out,"DELAY\n");
2168                         return(1);
2169                         }
2170
2171                 BIO_printf(bio_err,"ERROR\n");
2172                 verify_error=SSL_get_verify_result(con);
2173                 if (verify_error != X509_V_OK)
2174                         {
2175                         BIO_printf(bio_err,"verify error:%s\n",
2176                                 X509_verify_cert_error_string(verify_error));
2177                         }
2178                 else
2179                         ERR_print_errors(bio_err);
2180                 return(0);
2181                 }
2182
2183         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2184
2185         peer=SSL_get_peer_certificate(con);
2186         if (peer != NULL)
2187                 {
2188                 BIO_printf(bio_s_out,"Client certificate\n");
2189                 PEM_write_bio_X509(bio_s_out,peer);
2190                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2191                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2192                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2193                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2194                 X509_free(peer);
2195                 }
2196
2197         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2198                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2199         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2200         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2201         if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
2202         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2203                 TLS1_FLAGS_TLS_PADDING_BUG)
2204                 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
2205 #ifndef OPENSSL_NO_KRB5
2206         if (con->kssl_ctx->client_princ != NULL)
2207                 {
2208                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2209                         con->kssl_ctx->client_princ);
2210                 }
2211 #endif /* OPENSSL_NO_KRB5 */
2212         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2213                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2214         return(1);
2215         }
2216
2217 #ifndef OPENSSL_NO_DH
2218 static DH *load_dh_param(const char *dhfile)
2219         {
2220         DH *ret=NULL;
2221         BIO *bio;
2222
2223         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2224                 goto err;
2225         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2226 err:
2227         if (bio != NULL) BIO_free(bio);
2228         return(ret);
2229         }
2230 #endif
2231
2232 #if 0
2233 static int load_CA(SSL_CTX *ctx, char *file)
2234         {
2235         FILE *in;
2236         X509 *x=NULL;
2237
2238         if ((in=fopen(file,"r")) == NULL)
2239                 return(0);
2240
2241         for (;;)
2242                 {
2243                 if (PEM_read_X509(in,&x,NULL) == NULL)
2244                         break;
2245                 SSL_CTX_add_client_CA(ctx,x);
2246                 }
2247         if (x != NULL) X509_free(x);
2248         fclose(in);
2249         return(1);
2250         }
2251 #endif
2252
2253 static int www_body(char *hostname, int s, unsigned char *context)
2254         {
2255         char *buf=NULL;
2256         int ret=1;
2257         int i,j,k,dot;
2258         SSL *con;
2259         const SSL_CIPHER *c;
2260         BIO *io,*ssl_bio,*sbio;
2261
2262         buf=OPENSSL_malloc(bufsize);
2263         if (buf == NULL) return(0);
2264         io=BIO_new(BIO_f_buffer());
2265         ssl_bio=BIO_new(BIO_f_ssl());
2266         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2267
2268 #ifdef FIONBIO  
2269         if (s_nbio)
2270                 {
2271                 unsigned long sl=1;
2272
2273                 if (!s_quiet)
2274                         BIO_printf(bio_err,"turning on non blocking io\n");
2275                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2276                         ERR_print_errors(bio_err);
2277                 }
2278 #endif
2279
2280         /* lets make the output buffer a reasonable size */
2281         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2282
2283         if ((con=SSL_new(ctx)) == NULL) goto err;
2284 #ifndef OPENSSL_NO_TLSEXT
2285                 if (s_tlsextdebug)
2286                         {
2287                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2288                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2289                         }
2290 #endif
2291 #ifndef OPENSSL_NO_KRB5
2292         if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
2293                 {
2294                 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
2295                 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
2296                 }
2297 #endif  /* OPENSSL_NO_KRB5 */
2298         if(context) SSL_set_session_id_context(con, context,
2299                                                strlen((char *)context));
2300
2301         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2302         if (s_nbio_test)
2303                 {
2304                 BIO *test;
2305
2306                 test=BIO_new(BIO_f_nbio_test());
2307                 sbio=BIO_push(test,sbio);
2308                 }
2309         SSL_set_bio(con,sbio,sbio);
2310         SSL_set_accept_state(con);
2311
2312         /* SSL_set_fd(con,s); */
2313         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2314         BIO_push(io,ssl_bio);
2315 #ifdef CHARSET_EBCDIC
2316         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2317 #endif
2318
2319         if (s_debug)
2320                 {
2321                 con->debug=1;
2322                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2323                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2324                 }
2325         if (s_msg)
2326                 {
2327                 SSL_set_msg_callback(con, msg_cb);
2328                 SSL_set_msg_callback_arg(con, bio_s_out);
2329                 }
2330
2331         for (;;)
2332                 {
2333                 if (hack)
2334                         {
2335                         i=SSL_accept(con);
2336
2337                         switch (SSL_get_error(con,i))
2338                                 {
2339                         case SSL_ERROR_NONE:
2340                                 break;
2341                         case SSL_ERROR_WANT_WRITE:
2342                         case SSL_ERROR_WANT_READ:
2343                         case SSL_ERROR_WANT_X509_LOOKUP:
2344                                 continue;
2345                         case SSL_ERROR_SYSCALL:
2346                         case SSL_ERROR_SSL:
2347                         case SSL_ERROR_ZERO_RETURN:
2348                                 ret=1;
2349                                 goto err;
2350                                 /* break; */
2351                                 }
2352
2353                         SSL_renegotiate(con);
2354                         SSL_write(con,NULL,0);
2355                         }
2356
2357                 i=BIO_gets(io,buf,bufsize-1);
2358                 if (i < 0) /* error */
2359                         {
2360                         if (!BIO_should_retry(io))
2361                                 {
2362                                 if (!s_quiet)
2363                                         ERR_print_errors(bio_err);
2364                                 goto err;
2365                                 }
2366                         else
2367                                 {
2368                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2369 #if defined(OPENSSL_SYS_NETWARE)
2370             delay(1000);
2371 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2372                                 sleep(1);
2373 #endif
2374                                 continue;
2375                                 }
2376                         }
2377                 else if (i == 0) /* end of input */
2378                         {
2379                         ret=1;
2380                         goto end;
2381                         }
2382
2383                 /* else we have data */
2384                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2385                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2386                         {
2387                         char *p;
2388                         X509 *peer;
2389                         STACK_OF(SSL_CIPHER) *sk;
2390                         static const char *space="                          ";
2391
2392                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2393                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2394                         BIO_puts(io,"<pre>\n");
2395 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2396                         BIO_puts(io,"\n");
2397                         for (i=0; i<local_argc; i++)
2398                                 {
2399                                 BIO_puts(io,local_argv[i]);
2400                                 BIO_write(io," ",1);
2401                                 }
2402                         BIO_puts(io,"\n");
2403
2404                         /* The following is evil and should not really
2405                          * be done */
2406                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2407                         sk=SSL_get_ciphers(con);
2408                         j=sk_SSL_CIPHER_num(sk);
2409                         for (i=0; i<j; i++)
2410                                 {
2411                                 c=sk_SSL_CIPHER_value(sk,i);
2412                                 BIO_printf(io,"%-11s:%-25s",
2413                                         SSL_CIPHER_get_version(c),
2414                                         SSL_CIPHER_get_name(c));
2415                                 if ((((i+1)%2) == 0) && (i+1 != j))
2416                                         BIO_puts(io,"\n");
2417                                 }
2418                         BIO_puts(io,"\n");
2419                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2420                         if (p != NULL)
2421                                 {
2422                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2423                                 j=i=0;
2424                                 while (*p)
2425                                         {
2426                                         if (*p == ':')
2427                                                 {
2428                                                 BIO_write(io,space,26-j);
2429                                                 i++;
2430                                                 j=0;
2431                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2432                                                 }
2433                                         else
2434                                                 {
2435                                                 BIO_write(io,p,1);
2436                                                 j++;
2437                                                 }
2438                                         p++;
2439                                         }
2440                                 BIO_puts(io,"\n");
2441                                 }
2442                         BIO_printf(io,((con->hit)
2443                                 ?"---\nReused, "
2444                                 :"---\nNew, "));
2445                         c=SSL_get_current_cipher(con);
2446                         BIO_printf(io,"%s, Cipher is %s\n",
2447                                 SSL_CIPHER_get_version(c),
2448                                 SSL_CIPHER_get_name(c));
2449                         SSL_SESSION_print(io,SSL_get_session(con));
2450                         BIO_printf(io,"---\n");
2451                         print_stats(io,SSL_get_SSL_CTX(con));
2452                         BIO_printf(io,"---\n");
2453                         peer=SSL_get_peer_certificate(con);
2454                         if (peer != NULL)
2455                                 {
2456                                 BIO_printf(io,"Client certificate\n");
2457                                 X509_print(io,peer);
2458                                 PEM_write_bio_X509(io,peer);
2459                                 }
2460                         else
2461                                 BIO_puts(io,"no client certificate available\n");
2462                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2463                         break;
2464                         }
2465                 else if ((www == 2 || www == 3)
2466                          && (strncmp("GET /",buf,5) == 0))
2467                         {
2468                         BIO *file;
2469                         char *p,*e;
2470                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2471
2472                         /* skip the '/' */
2473                         p= &(buf[5]);
2474
2475                         dot = 1;
2476                         for (e=p; *e != '\0'; e++)
2477                                 {
2478                                 if (e[0] == ' ')
2479                                         break;
2480
2481                                 switch (dot)
2482                                         {
2483                                 case 1:
2484                                         dot = (e[0] == '.') ? 2 : 0;
2485                                         break;
2486                                 case 2:
2487                                         dot = (e[0] == '.') ? 3 : 0;
2488                                         break;
2489                                 case 3:
2490                                         dot = (e[0] == '/') ? -1 : 0;
2491                                         break;
2492                                         }
2493                                 if (dot == 0)
2494                                         dot = (e[0] == '/') ? 1 : 0;
2495                                 }
2496                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2497
2498                         if (*e == '\0')
2499                                 {
2500                                 BIO_puts(io,text);
2501                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2502                                 break;
2503                                 }
2504                         *e='\0';
2505
2506                         if (dot)
2507                                 {
2508                                 BIO_puts(io,text);
2509                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2510                                 break;
2511                                 }
2512
2513                         if (*p == '/')
2514                                 {
2515                                 BIO_puts(io,text);
2516                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2517                                 break;
2518                                 }
2519
2520 #if 0
2521                         /* append if a directory lookup */
2522                         if (e[-1] == '/')
2523                                 strcat(p,"index.html");
2524 #endif
2525
2526                         /* if a directory, do the index thang */
2527                         if (app_isdir(p)>0)
2528                                 {
2529 #if 0 /* must check buffer size */
2530                                 strcat(p,"/index.html");
2531 #else
2532                                 BIO_puts(io,text);
2533                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2534                                 break;
2535 #endif
2536                                 }
2537
2538                         if ((file=BIO_new_file(p,"r")) == NULL)
2539                                 {
2540                                 BIO_puts(io,text);
2541                                 BIO_printf(io,"Error opening '%s'\r\n",p);
2542                                 ERR_print_errors(io);
2543                                 break;
2544                                 }
2545
2546                         if (!s_quiet)
2547                                 BIO_printf(bio_err,"FILE:%s\n",p);
2548
2549                         if (www == 2)
2550                                 {
2551                                 i=strlen(p);
2552                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2553                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2554                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2555                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2556                                 else
2557                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2558                                 }
2559                         /* send the file */
2560                         for (;;)
2561                                 {
2562                                 i=BIO_read(file,buf,bufsize);
2563                                 if (i <= 0) break;
2564
2565 #ifdef RENEG
2566                                 total_bytes+=i;
2567                                 fprintf(stderr,"%d\n",i);
2568                                 if (total_bytes > 3*1024)
2569                                         {
2570                                         total_bytes=0;
2571                                         fprintf(stderr,"RENEGOTIATE\n");
2572                                         SSL_renegotiate(con);
2573                                         }
2574 #endif
2575
2576                                 for (j=0; j<i; )
2577                                         {
2578 #ifdef RENEG
2579 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
2580 #endif
2581                                         k=BIO_write(io,&(buf[j]),i-j);
2582                                         if (k <= 0)
2583                                                 {
2584                                                 if (!BIO_should_retry(io))
2585                                                         goto write_error;
2586                                                 else
2587                                                         {
2588                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
2589                                                         }
2590                                                 }
2591                                         else
2592                                                 {
2593                                                 j+=k;
2594                                                 }
2595                                         }
2596                                 }
2597 write_error:
2598                         BIO_free(file);
2599                         break;
2600                         }
2601                 }
2602
2603         for (;;)
2604                 {
2605                 i=(int)BIO_flush(io);
2606                 if (i <= 0)
2607                         {
2608                         if (!BIO_should_retry(io))
2609                                 break;
2610                         }
2611                 else
2612                         break;
2613                 }
2614 end:
2615 #if 1
2616         /* make sure we re-use sessions */
2617         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2618 #else
2619         /* This kills performance */
2620 /*      SSL_shutdown(con); A shutdown gets sent in the
2621  *      BIO_free_all(io) procession */
2622 #endif
2623
2624 err:
2625
2626         if (ret >= 0)
2627                 BIO_printf(bio_s_out,"ACCEPT\n");
2628
2629         if (buf != NULL) OPENSSL_free(buf);
2630         if (io != NULL) BIO_free_all(io);
2631 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2632         return(ret);
2633         }
2634
2635 #ifndef OPENSSL_NO_RSA
2636 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
2637         {
2638         BIGNUM *bn = NULL;
2639         static RSA *rsa_tmp=NULL;
2640
2641         if (!rsa_tmp && ((bn = BN_new()) == NULL))
2642                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
2643         if (!rsa_tmp && bn)
2644                 {
2645                 if (!s_quiet)
2646                         {
2647                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
2648                         (void)BIO_flush(bio_err);
2649                         }
2650                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
2651                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
2652                         {
2653                         if(rsa_tmp) RSA_free(rsa_tmp);
2654                         rsa_tmp = NULL;
2655                         }
2656                 if (!s_quiet)
2657                         {
2658                         BIO_printf(bio_err,"\n");
2659                         (void)BIO_flush(bio_err);
2660                         }
2661                 BN_free(bn);
2662                 }
2663         return(rsa_tmp);
2664         }
2665 #endif
2666
2667 #define MAX_SESSION_ID_ATTEMPTS 10
2668 static int generate_session_id(const SSL *ssl, unsigned char *id,
2669                                 unsigned int *id_len)
2670         {
2671         unsigned int count = 0;
2672         do      {
2673                 RAND_pseudo_bytes(id, *id_len);
2674                 /* Prefix the session_id with the required prefix. NB: If our
2675                  * prefix is too long, clip it - but there will be worse effects
2676                  * anyway, eg. the server could only possibly create 1 session
2677                  * ID (ie. the prefix!) so all future session negotiations will
2678                  * fail due to conflicts. */
2679                 memcpy(id, session_id_prefix,
2680                         (strlen(session_id_prefix) < *id_len) ?
2681                         strlen(session_id_prefix) : *id_len);
2682                 }
2683         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
2684                 (++count < MAX_SESSION_ID_ATTEMPTS));
2685         if(count >= MAX_SESSION_ID_ATTEMPTS)
2686                 return 0;
2687         return 1;
2688         }