Merge branch 'vendor/OPENSSL'
[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 #ifndef OPENSSL_NO_SRP
190 #include <openssl/srp.h>
191 #endif
192 #include "s_apps.h"
193 #include "timeouts.h"
194
195 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
196 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
197 #undef FIONBIO
198 #endif
199
200 #if defined(OPENSSL_SYS_BEOS_R5)
201 #include <fcntl.h>
202 #endif
203
204 #ifndef OPENSSL_NO_RSA
205 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
206 #endif
207 static int sv_body(char *hostname, int s, unsigned char *context);
208 static int www_body(char *hostname, int s, unsigned char *context);
209 static void close_accept_socket(void );
210 static void sv_usage(void);
211 static int init_ssl_connection(SSL *s);
212 static void print_stats(BIO *bp,SSL_CTX *ctx);
213 static int generate_session_id(const SSL *ssl, unsigned char *id,
214                                 unsigned int *id_len);
215 #ifndef OPENSSL_NO_DH
216 static DH *load_dh_param(const char *dhfile);
217 static DH *get_dh512(void);
218 #endif
219
220 #ifdef MONOLITH
221 static void s_server_init(void);
222 #endif
223
224 #ifndef OPENSSL_NO_DH
225 static unsigned char dh512_p[]={
226         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
227         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
228         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
229         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
230         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
231         0x47,0x74,0xE8,0x33,
232         };
233 static unsigned char dh512_g[]={
234         0x02,
235         };
236
237 static DH *get_dh512(void)
238         {
239         DH *dh=NULL;
240
241         if ((dh=DH_new()) == NULL) return(NULL);
242         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
243         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
244         if ((dh->p == NULL) || (dh->g == NULL))
245                 return(NULL);
246         return(dh);
247         }
248 #endif
249
250
251 /* static int load_CA(SSL_CTX *ctx, char *file);*/
252
253 #undef BUFSIZZ
254 #define BUFSIZZ 16*1024
255 static int bufsize=BUFSIZZ;
256 static int accept_socket= -1;
257
258 #define TEST_CERT       "server.pem"
259 #ifndef OPENSSL_NO_TLSEXT
260 #define TEST_CERT2      "server2.pem"
261 #endif
262 #undef PROG
263 #define PROG            s_server_main
264
265 extern int verify_depth, verify_return_error;
266
267 static char *cipher=NULL;
268 static int s_server_verify=SSL_VERIFY_NONE;
269 static int s_server_session_id_context = 1; /* anything will do */
270 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL;
271 #ifndef OPENSSL_NO_TLSEXT
272 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
273 #endif
274 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
275 #ifdef FIONBIO
276 static int s_nbio=0;
277 #endif
278 static int s_nbio_test=0;
279 int s_crlf=0;
280 static SSL_CTX *ctx=NULL;
281 #ifndef OPENSSL_NO_TLSEXT
282 static SSL_CTX *ctx2=NULL;
283 #endif
284 static int www=0;
285
286 static BIO *bio_s_out=NULL;
287 static int s_debug=0;
288 #ifndef OPENSSL_NO_TLSEXT
289 static int s_tlsextdebug=0;
290 static int s_tlsextstatus=0;
291 static int cert_status_cb(SSL *s, void *arg);
292 #endif
293 static int s_msg=0;
294 static int s_quiet=0;
295
296 static char *keymatexportlabel=NULL;
297 static int keymatexportlen=20;
298
299 static int hack=0;
300 #ifndef OPENSSL_NO_ENGINE
301 static char *engine_id=NULL;
302 #endif
303 static const char *session_id_prefix=NULL;
304
305 static int enable_timeouts = 0;
306 static long socket_mtu;
307 #ifndef OPENSSL_NO_DTLS1
308 static int cert_chain = 0;
309 #endif
310
311
312 #ifndef OPENSSL_NO_PSK
313 static char *psk_identity="Client_identity";
314 char *psk_key=NULL; /* by default PSK is not used */
315
316 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
317         unsigned char *psk, unsigned int max_psk_len)
318         {
319         unsigned int psk_len = 0;
320         int ret;
321         BIGNUM *bn = NULL;
322
323         if (s_debug)
324                 BIO_printf(bio_s_out,"psk_server_cb\n");
325         if (!identity)
326                 {
327                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
328                 goto out_err;
329                 }
330         if (s_debug)
331                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
332                         identity ? (int)strlen(identity) : 0, identity);
333
334         /* here we could lookup the given identity e.g. from a database */
335         if (strcmp(identity, psk_identity) != 0)
336                 {
337                 BIO_printf(bio_s_out, "PSK error: client identity not found"
338                            " (got '%s' expected '%s')\n", identity,
339                            psk_identity);
340                 goto out_err;
341                 }
342         if (s_debug)
343                 BIO_printf(bio_s_out, "PSK client identity found\n");
344
345         /* convert the PSK key to binary */
346         ret = BN_hex2bn(&bn, psk_key);
347         if (!ret)
348                 {
349                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
350                 if (bn)
351                         BN_free(bn);
352                 return 0;
353                 }
354         if (BN_num_bytes(bn) > (int)max_psk_len)
355                 {
356                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
357                         max_psk_len, BN_num_bytes(bn));
358                 BN_free(bn);
359                 return 0;
360                 }
361
362         ret = BN_bn2bin(bn, psk);
363         BN_free(bn);
364
365         if (ret < 0)
366                 goto out_err;
367         psk_len = (unsigned int)ret;
368
369         if (s_debug)
370                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
371         return psk_len;
372  out_err:
373         if (s_debug)
374                 BIO_printf(bio_err, "Error in PSK server callback\n");
375         return 0;
376         }
377 #endif
378
379 #ifndef OPENSSL_NO_SRP
380 /* This is a context that we pass to callbacks */
381 typedef struct srpsrvparm_st
382         {
383         char *login;
384         SRP_VBASE *vb;
385         SRP_user_pwd *user;
386         } srpsrvparm;
387
388 /* This callback pretends to require some asynchronous logic in order to obtain
389    a verifier. When the callback is called for a new connection we return
390    with a negative value. This will provoke the accept etc to return with
391    an LOOKUP_X509. The main logic of the reinvokes the suspended call 
392    (which would normally occur after a worker has finished) and we
393    set the user parameters. 
394 */
395 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
396         {
397         srpsrvparm *p = (srpsrvparm *)arg;
398         if (p->login == NULL && p->user == NULL )
399                 {
400                 p->login = SSL_get_srp_username(s);
401                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
402                 return (-1) ;
403                 }
404
405         if (p->user == NULL)
406                 {
407                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
408                 return SSL3_AL_FATAL;
409                 }
410         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
411                                      p->user->info) < 0)
412                 {
413                 *ad = SSL_AD_INTERNAL_ERROR;
414                 return SSL3_AL_FATAL;
415                 }
416         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
417         /* need to check whether there are memory leaks */
418         p->user = NULL;
419         p->login = NULL;
420         return SSL_ERROR_NONE;
421         }
422
423 #endif
424
425 #ifdef MONOLITH
426 static void s_server_init(void)
427         {
428         accept_socket=-1;
429         cipher=NULL;
430         s_server_verify=SSL_VERIFY_NONE;
431         s_dcert_file=NULL;
432         s_dkey_file=NULL;
433         s_cert_file=TEST_CERT;
434         s_key_file=NULL;
435 #ifndef OPENSSL_NO_TLSEXT
436         s_cert_file2=TEST_CERT2;
437         s_key_file2=NULL;
438         ctx2=NULL;
439 #endif
440 #ifdef FIONBIO
441         s_nbio=0;
442 #endif
443         s_nbio_test=0;
444         ctx=NULL;
445         www=0;
446
447         bio_s_out=NULL;
448         s_debug=0;
449         s_msg=0;
450         s_quiet=0;
451         hack=0;
452 #ifndef OPENSSL_NO_ENGINE
453         engine_id=NULL;
454 #endif
455         }
456 #endif
457
458 static void sv_usage(void)
459         {
460         BIO_printf(bio_err,"usage: s_server [args ...]\n");
461         BIO_printf(bio_err,"\n");
462         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
463         BIO_printf(bio_err," -context arg  - set session ID context\n");
464         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
465         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
466         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
467         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
468         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
469                            "                 The CRL(s) are appended to the certificate file\n");
470         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
471                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
472                            "                 the certificate file.\n");
473         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
474         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
475         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
476         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
477         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
478         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
479         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
480         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
481         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
482         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
483         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
484         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
485 #ifndef OPENSSL_NO_ECDH
486         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
487                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
488                            "                 (default is nistp256).\n");
489 #endif
490 #ifdef FIONBIO
491         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
492 #endif
493         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
494         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
495         BIO_printf(bio_err," -debug        - Print more output\n");
496         BIO_printf(bio_err," -msg          - Show protocol messages\n");
497         BIO_printf(bio_err," -state        - Print the SSL states\n");
498         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
499         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
500         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
501         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
502         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
503         BIO_printf(bio_err," -quiet        - No server output\n");
504         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
505 #ifndef OPENSSL_NO_PSK
506         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
507         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
508 # ifndef OPENSSL_NO_JPAKE
509         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
510 # endif
511 #endif
512 #ifndef OPENSSL_NO_SRP
513         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
514         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
515 #endif
516         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
517         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
518         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
519         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
520         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
521         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
522         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
523         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
524         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
525         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
526         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
527         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
528         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
529         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
530 #ifndef OPENSSL_NO_DH
531         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
532 #endif
533 #ifndef OPENSSL_NO_ECDH
534         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
535 #endif
536         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
537         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
538         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
539         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
540         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
541 #ifndef OPENSSL_NO_ENGINE
542         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
543 #endif
544         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
545         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
546 #ifndef OPENSSL_NO_TLSEXT
547         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
548         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
549         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
550         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
551         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
552         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
553         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
554         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
555         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
556 # ifndef OPENSSL_NO_NEXTPROTONEG
557         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
558 # endif
559 # ifndef OPENSSL_NO_SRTP
560         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
561 # endif
562 #endif
563         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
564         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
565         }
566
567 static int local_argc=0;
568 static char **local_argv;
569
570 #ifdef CHARSET_EBCDIC
571 static int ebcdic_new(BIO *bi);
572 static int ebcdic_free(BIO *a);
573 static int ebcdic_read(BIO *b, char *out, int outl);
574 static int ebcdic_write(BIO *b, const char *in, int inl);
575 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
576 static int ebcdic_gets(BIO *bp, char *buf, int size);
577 static int ebcdic_puts(BIO *bp, const char *str);
578
579 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
580 static BIO_METHOD methods_ebcdic=
581         {
582         BIO_TYPE_EBCDIC_FILTER,
583         "EBCDIC/ASCII filter",
584         ebcdic_write,
585         ebcdic_read,
586         ebcdic_puts,
587         ebcdic_gets,
588         ebcdic_ctrl,
589         ebcdic_new,
590         ebcdic_free,
591         };
592
593 typedef struct
594 {
595         size_t  alloced;
596         char    buff[1];
597 } EBCDIC_OUTBUFF;
598
599 BIO_METHOD *BIO_f_ebcdic_filter()
600 {
601         return(&methods_ebcdic);
602 }
603
604 static int ebcdic_new(BIO *bi)
605 {
606         EBCDIC_OUTBUFF *wbuf;
607
608         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
609         wbuf->alloced = 1024;
610         wbuf->buff[0] = '\0';
611
612         bi->ptr=(char *)wbuf;
613         bi->init=1;
614         bi->flags=0;
615         return(1);
616 }
617
618 static int ebcdic_free(BIO *a)
619 {
620         if (a == NULL) return(0);
621         if (a->ptr != NULL)
622                 OPENSSL_free(a->ptr);
623         a->ptr=NULL;
624         a->init=0;
625         a->flags=0;
626         return(1);
627 }
628         
629 static int ebcdic_read(BIO *b, char *out, int outl)
630 {
631         int ret=0;
632
633         if (out == NULL || outl == 0) return(0);
634         if (b->next_bio == NULL) return(0);
635
636         ret=BIO_read(b->next_bio,out,outl);
637         if (ret > 0)
638                 ascii2ebcdic(out,out,ret);
639         return(ret);
640 }
641
642 static int ebcdic_write(BIO *b, const char *in, int inl)
643 {
644         EBCDIC_OUTBUFF *wbuf;
645         int ret=0;
646         int num;
647         unsigned char n;
648
649         if ((in == NULL) || (inl <= 0)) return(0);
650         if (b->next_bio == NULL) return(0);
651
652         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
653
654         if (inl > (num = wbuf->alloced))
655         {
656                 num = num + num;  /* double the size */
657                 if (num < inl)
658                         num = inl;
659                 OPENSSL_free(wbuf);
660                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
661
662                 wbuf->alloced = num;
663                 wbuf->buff[0] = '\0';
664
665                 b->ptr=(char *)wbuf;
666         }
667
668         ebcdic2ascii(wbuf->buff, in, inl);
669
670         ret=BIO_write(b->next_bio, wbuf->buff, inl);
671
672         return(ret);
673 }
674
675 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
676 {
677         long ret;
678
679         if (b->next_bio == NULL) return(0);
680         switch (cmd)
681         {
682         case BIO_CTRL_DUP:
683                 ret=0L;
684                 break;
685         default:
686                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
687                 break;
688         }
689         return(ret);
690 }
691
692 static int ebcdic_gets(BIO *bp, char *buf, int size)
693 {
694         int i, ret=0;
695         if (bp->next_bio == NULL) return(0);
696 /*      return(BIO_gets(bp->next_bio,buf,size));*/
697         for (i=0; i<size-1; ++i)
698         {
699                 ret = ebcdic_read(bp,&buf[i],1);
700                 if (ret <= 0)
701                         break;
702                 else if (buf[i] == '\n')
703                 {
704                         ++i;
705                         break;
706                 }
707         }
708         if (i < size)
709                 buf[i] = '\0';
710         return (ret < 0 && i == 0) ? ret : i;
711 }
712
713 static int ebcdic_puts(BIO *bp, const char *str)
714 {
715         if (bp->next_bio == NULL) return(0);
716         return ebcdic_write(bp, str, strlen(str));
717 }
718 #endif
719
720 #ifndef OPENSSL_NO_TLSEXT
721
722 /* This is a context that we pass to callbacks */
723 typedef struct tlsextctx_st {
724    char * servername;
725    BIO * biodebug;
726    int extension_error;
727 } tlsextctx;
728
729
730 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
731         {
732         tlsextctx * p = (tlsextctx *) arg;
733         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
734         if (servername && p->biodebug) 
735                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
736         
737         if (!p->servername)
738                 return SSL_TLSEXT_ERR_NOACK;
739         
740         if (servername)
741                 {
742                 if (strcmp(servername,p->servername)) 
743                         return p->extension_error;
744                 if (ctx2)
745                         {
746                         BIO_printf(p->biodebug,"Switching server context.\n");
747                         SSL_set_SSL_CTX(s,ctx2);
748                         }     
749                 }
750         return SSL_TLSEXT_ERR_OK;
751 }
752
753 /* Structure passed to cert status callback */
754
755 typedef struct tlsextstatusctx_st {
756    /* Default responder to use */
757    char *host, *path, *port;
758    int use_ssl;
759    int timeout;
760    BIO *err;
761    int verbose;
762 } tlsextstatusctx;
763
764 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
765
766 /* Certificate Status callback. This is called when a client includes a
767  * certificate status request extension.
768  *
769  * This is a simplified version. It examines certificates each time and
770  * makes one OCSP responder query for each request.
771  *
772  * A full version would store details such as the OCSP certificate IDs and
773  * minimise the number of OCSP responses by caching them until they were
774  * considered "expired".
775  */
776
777 static int cert_status_cb(SSL *s, void *arg)
778         {
779         tlsextstatusctx *srctx = arg;
780         BIO *err = srctx->err;
781         char *host, *port, *path;
782         int use_ssl;
783         unsigned char *rspder = NULL;
784         int rspderlen;
785         STACK_OF(OPENSSL_STRING) *aia = NULL;
786         X509 *x = NULL;
787         X509_STORE_CTX inctx;
788         X509_OBJECT obj;
789         OCSP_REQUEST *req = NULL;
790         OCSP_RESPONSE *resp = NULL;
791         OCSP_CERTID *id = NULL;
792         STACK_OF(X509_EXTENSION) *exts;
793         int ret = SSL_TLSEXT_ERR_NOACK;
794         int i;
795 #if 0
796 STACK_OF(OCSP_RESPID) *ids;
797 SSL_get_tlsext_status_ids(s, &ids);
798 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
799 #endif
800         if (srctx->verbose)
801                 BIO_puts(err, "cert_status: callback called\n");
802         /* Build up OCSP query from server certificate */
803         x = SSL_get_certificate(s);
804         aia = X509_get1_ocsp(x);
805         if (aia)
806                 {
807                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
808                         &host, &port, &path, &use_ssl))
809                         {
810                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
811                         goto err;
812                         }
813                 if (srctx->verbose)
814                         BIO_printf(err, "cert_status: AIA URL: %s\n",
815                                         sk_OPENSSL_STRING_value(aia, 0));
816                 }
817         else
818                 {
819                 if (!srctx->host)
820                         {
821                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
822                         goto done;
823                         }
824                 host = srctx->host;
825                 path = srctx->path;
826                 port = srctx->port;
827                 use_ssl = srctx->use_ssl;
828                 }
829                 
830         if (!X509_STORE_CTX_init(&inctx,
831                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
832                                 NULL, NULL))
833                 goto err;
834         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
835                                 X509_get_issuer_name(x),&obj) <= 0)
836                 {
837                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
838                 X509_STORE_CTX_cleanup(&inctx);
839                 goto done;
840                 }
841         req = OCSP_REQUEST_new();
842         if (!req)
843                 goto err;
844         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
845         X509_free(obj.data.x509);
846         X509_STORE_CTX_cleanup(&inctx);
847         if (!id)
848                 goto err;
849         if (!OCSP_request_add0_id(req, id))
850                 goto err;
851         id = NULL;
852         /* Add any extensions to the request */
853         SSL_get_tlsext_status_exts(s, &exts);
854         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
855                 {
856                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
857                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
858                         goto err;
859                 }
860         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
861                                         srctx->timeout);
862         if (!resp)
863                 {
864                 BIO_puts(err, "cert_status: error querying responder\n");
865                 goto done;
866                 }
867         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
868         if (rspderlen <= 0)
869                 goto err;
870         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
871         if (srctx->verbose)
872                 {
873                 BIO_puts(err, "cert_status: ocsp response sent:\n");
874                 OCSP_RESPONSE_print(err, resp, 2);
875                 }
876         ret = SSL_TLSEXT_ERR_OK;
877         done:
878         if (ret != SSL_TLSEXT_ERR_OK)
879                 ERR_print_errors(err);
880         if (aia)
881                 {
882                 OPENSSL_free(host);
883                 OPENSSL_free(path);
884                 OPENSSL_free(port);
885                 X509_email_free(aia);
886                 }
887         if (id)
888                 OCSP_CERTID_free(id);
889         if (req)
890                 OCSP_REQUEST_free(req);
891         if (resp)
892                 OCSP_RESPONSE_free(resp);
893         return ret;
894         err:
895         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
896         goto done;
897         }
898
899 # ifndef OPENSSL_NO_NEXTPROTONEG
900 /* This is the context that we pass to next_proto_cb */
901 typedef struct tlsextnextprotoctx_st {
902         unsigned char *data;
903         unsigned int len;
904 } tlsextnextprotoctx;
905
906 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
907         {
908         tlsextnextprotoctx *next_proto = arg;
909
910         *data = next_proto->data;
911         *len = next_proto->len;
912
913         return SSL_TLSEXT_ERR_OK;
914         }
915 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
916
917
918 #endif
919
920 int MAIN(int, char **);
921
922 #ifndef OPENSSL_NO_JPAKE
923 static char *jpake_secret = NULL;
924 #endif
925 #ifndef OPENSSL_NO_SRP
926         static srpsrvparm srp_callback_parm;
927 #endif
928 #ifndef OPENSSL_NO_SRTP
929 static char *srtp_profiles = NULL;
930 #endif
931
932 int MAIN(int argc, char *argv[])
933         {
934         X509_VERIFY_PARAM *vpm = NULL;
935         int badarg = 0;
936         short port=PORT;
937         char *CApath=NULL,*CAfile=NULL;
938         unsigned char *context = NULL;
939         char *dhfile = NULL;
940 #ifndef OPENSSL_NO_ECDH
941         char *named_curve = NULL;
942 #endif
943         int badop=0,bugs=0;
944         int ret=1;
945         int off=0;
946         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
947         int state=0;
948         const SSL_METHOD *meth=NULL;
949         int socket_type=SOCK_STREAM;
950         ENGINE *e=NULL;
951         char *inrand=NULL;
952         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
953         char *passarg = NULL, *pass = NULL;
954         char *dpassarg = NULL, *dpass = NULL;
955         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
956         X509 *s_cert = NULL, *s_dcert = NULL;
957         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
958         int no_cache = 0;
959 #ifndef OPENSSL_NO_TLSEXT
960         EVP_PKEY *s_key2 = NULL;
961         X509 *s_cert2 = NULL;
962         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
963 # ifndef OPENSSL_NO_NEXTPROTONEG
964         const char *next_proto_neg_in = NULL;
965         tlsextnextprotoctx next_proto;
966 # endif
967 #endif
968 #ifndef OPENSSL_NO_PSK
969         /* by default do not send a PSK identity hint */
970         static char *psk_identity_hint=NULL;
971 #endif
972 #ifndef OPENSSL_NO_SRP
973         char *srpuserseed = NULL;
974         char *srp_verifier_file = NULL;
975 #endif
976         meth=SSLv23_server_method();
977
978         local_argc=argc;
979         local_argv=argv;
980
981         apps_startup();
982 #ifdef MONOLITH
983         s_server_init();
984 #endif
985
986         if (bio_err == NULL)
987                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
988
989         if (!load_config(bio_err, NULL))
990                 goto end;
991
992         verify_depth=0;
993 #ifdef FIONBIO
994         s_nbio=0;
995 #endif
996         s_nbio_test=0;
997
998         argc--;
999         argv++;
1000
1001         while (argc >= 1)
1002                 {
1003                 if      ((strcmp(*argv,"-port") == 0) ||
1004                          (strcmp(*argv,"-accept") == 0))
1005                         {
1006                         if (--argc < 1) goto bad;
1007                         if (!extract_port(*(++argv),&port))
1008                                 goto bad;
1009                         }
1010                 else if (strcmp(*argv,"-verify") == 0)
1011                         {
1012                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1013                         if (--argc < 1) goto bad;
1014                         verify_depth=atoi(*(++argv));
1015                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1016                         }
1017                 else if (strcmp(*argv,"-Verify") == 0)
1018                         {
1019                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1020                                 SSL_VERIFY_CLIENT_ONCE;
1021                         if (--argc < 1) goto bad;
1022                         verify_depth=atoi(*(++argv));
1023                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1024                         }
1025                 else if (strcmp(*argv,"-context") == 0)
1026                         {
1027                         if (--argc < 1) goto bad;
1028                         context= (unsigned char *)*(++argv);
1029                         }
1030                 else if (strcmp(*argv,"-cert") == 0)
1031                         {
1032                         if (--argc < 1) goto bad;
1033                         s_cert_file= *(++argv);
1034                         }
1035                 else if (strcmp(*argv,"-certform") == 0)
1036                         {
1037                         if (--argc < 1) goto bad;
1038                         s_cert_format = str2fmt(*(++argv));
1039                         }
1040                 else if (strcmp(*argv,"-key") == 0)
1041                         {
1042                         if (--argc < 1) goto bad;
1043                         s_key_file= *(++argv);
1044                         }
1045                 else if (strcmp(*argv,"-keyform") == 0)
1046                         {
1047                         if (--argc < 1) goto bad;
1048                         s_key_format = str2fmt(*(++argv));
1049                         }
1050                 else if (strcmp(*argv,"-pass") == 0)
1051                         {
1052                         if (--argc < 1) goto bad;
1053                         passarg = *(++argv);
1054                         }
1055                 else if (strcmp(*argv,"-dhparam") == 0)
1056                         {
1057                         if (--argc < 1) goto bad;
1058                         dhfile = *(++argv);
1059                         }
1060 #ifndef OPENSSL_NO_ECDH         
1061                 else if (strcmp(*argv,"-named_curve") == 0)
1062                         {
1063                         if (--argc < 1) goto bad;
1064                         named_curve = *(++argv);
1065                         }
1066 #endif
1067                 else if (strcmp(*argv,"-dcertform") == 0)
1068                         {
1069                         if (--argc < 1) goto bad;
1070                         s_dcert_format = str2fmt(*(++argv));
1071                         }
1072                 else if (strcmp(*argv,"-dcert") == 0)
1073                         {
1074                         if (--argc < 1) goto bad;
1075                         s_dcert_file= *(++argv);
1076                         }
1077                 else if (strcmp(*argv,"-dkeyform") == 0)
1078                         {
1079                         if (--argc < 1) goto bad;
1080                         s_dkey_format = str2fmt(*(++argv));
1081                         }
1082                 else if (strcmp(*argv,"-dpass") == 0)
1083                         {
1084                         if (--argc < 1) goto bad;
1085                         dpassarg = *(++argv);
1086                         }
1087                 else if (strcmp(*argv,"-dkey") == 0)
1088                         {
1089                         if (--argc < 1) goto bad;
1090                         s_dkey_file= *(++argv);
1091                         }
1092                 else if (strcmp(*argv,"-nocert") == 0)
1093                         {
1094                         nocert=1;
1095                         }
1096                 else if (strcmp(*argv,"-CApath") == 0)
1097                         {
1098                         if (--argc < 1) goto bad;
1099                         CApath= *(++argv);
1100                         }
1101                 else if (strcmp(*argv,"-no_cache") == 0)
1102                         no_cache = 1;
1103                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1104                         {
1105                         if (badarg)
1106                                 goto bad;
1107                         continue;
1108                         }
1109                 else if (strcmp(*argv,"-verify_return_error") == 0)
1110                         verify_return_error = 1;
1111                 else if (strcmp(*argv,"-serverpref") == 0)
1112                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1113                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1114                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1115                 else if (strcmp(*argv,"-cipher") == 0)
1116                         {
1117                         if (--argc < 1) goto bad;
1118                         cipher= *(++argv);
1119                         }
1120                 else if (strcmp(*argv,"-CAfile") == 0)
1121                         {
1122                         if (--argc < 1) goto bad;
1123                         CAfile= *(++argv);
1124                         }
1125 #ifdef FIONBIO  
1126                 else if (strcmp(*argv,"-nbio") == 0)
1127                         { s_nbio=1; }
1128 #endif
1129                 else if (strcmp(*argv,"-nbio_test") == 0)
1130                         {
1131 #ifdef FIONBIO  
1132                         s_nbio=1;
1133 #endif
1134                         s_nbio_test=1;
1135                         }
1136                 else if (strcmp(*argv,"-debug") == 0)
1137                         { s_debug=1; }
1138 #ifndef OPENSSL_NO_TLSEXT
1139                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1140                         s_tlsextdebug=1;
1141                 else if (strcmp(*argv,"-status") == 0)
1142                         s_tlsextstatus=1;
1143                 else if (strcmp(*argv,"-status_verbose") == 0)
1144                         {
1145                         s_tlsextstatus=1;
1146                         tlscstatp.verbose = 1;
1147                         }
1148                 else if (!strcmp(*argv, "-status_timeout"))
1149                         {
1150                         s_tlsextstatus=1;
1151                         if (--argc < 1) goto bad;
1152                         tlscstatp.timeout = atoi(*(++argv));
1153                         }
1154                 else if (!strcmp(*argv, "-status_url"))
1155                         {
1156                         s_tlsextstatus=1;
1157                         if (--argc < 1) goto bad;
1158                         if (!OCSP_parse_url(*(++argv),
1159                                         &tlscstatp.host,
1160                                         &tlscstatp.port,
1161                                         &tlscstatp.path,
1162                                         &tlscstatp.use_ssl))
1163                                 {
1164                                 BIO_printf(bio_err, "Error parsing URL\n");
1165                                 goto bad;
1166                                 }
1167                         }
1168 #endif
1169                 else if (strcmp(*argv,"-msg") == 0)
1170                         { s_msg=1; }
1171                 else if (strcmp(*argv,"-hack") == 0)
1172                         { hack=1; }
1173                 else if (strcmp(*argv,"-state") == 0)
1174                         { state=1; }
1175                 else if (strcmp(*argv,"-crlf") == 0)
1176                         { s_crlf=1; }
1177                 else if (strcmp(*argv,"-quiet") == 0)
1178                         { s_quiet=1; }
1179                 else if (strcmp(*argv,"-bugs") == 0)
1180                         { bugs=1; }
1181                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1182                         { no_tmp_rsa=1; }
1183                 else if (strcmp(*argv,"-no_dhe") == 0)
1184                         { no_dhe=1; }
1185                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1186                         { no_ecdhe=1; }
1187 #ifndef OPENSSL_NO_PSK
1188                 else if (strcmp(*argv,"-psk_hint") == 0)
1189                         {
1190                         if (--argc < 1) goto bad;
1191                         psk_identity_hint= *(++argv);
1192                         }
1193                 else if (strcmp(*argv,"-psk") == 0)
1194                         {
1195                         size_t i;
1196
1197                         if (--argc < 1) goto bad;
1198                         psk_key=*(++argv);
1199                         for (i=0; i<strlen(psk_key); i++)
1200                                 {
1201                                 if (isxdigit((unsigned char)psk_key[i]))
1202                                         continue;
1203                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1204                                 goto bad;
1205                                 }
1206                         }
1207 #endif
1208 #ifndef OPENSSL_NO_SRP
1209                 else if (strcmp(*argv, "-srpvfile") == 0)
1210                         {
1211                         if (--argc < 1) goto bad;
1212                         srp_verifier_file = *(++argv);
1213                         meth = TLSv1_server_method();
1214                         }
1215                 else if (strcmp(*argv, "-srpuserseed") == 0)
1216                         {
1217                         if (--argc < 1) goto bad;
1218                         srpuserseed = *(++argv);
1219                         meth = TLSv1_server_method();
1220                         }
1221 #endif
1222                 else if (strcmp(*argv,"-www") == 0)
1223                         { www=1; }
1224                 else if (strcmp(*argv,"-WWW") == 0)
1225                         { www=2; }
1226                 else if (strcmp(*argv,"-HTTP") == 0)
1227                         { www=3; }
1228                 else if (strcmp(*argv,"-no_ssl2") == 0)
1229                         { off|=SSL_OP_NO_SSLv2; }
1230                 else if (strcmp(*argv,"-no_ssl3") == 0)
1231                         { off|=SSL_OP_NO_SSLv3; }
1232                 else if (strcmp(*argv,"-no_tls1") == 0)
1233                         { off|=SSL_OP_NO_TLSv1; }
1234                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1235                         { off|=SSL_OP_NO_TLSv1_1; }
1236                 else if (strcmp(*argv,"-no_tls1_2") == 0)
1237                         { off|=SSL_OP_NO_TLSv1_2; }
1238                 else if (strcmp(*argv,"-no_comp") == 0)
1239                         { off|=SSL_OP_NO_COMPRESSION; }
1240 #ifndef OPENSSL_NO_TLSEXT
1241                 else if (strcmp(*argv,"-no_ticket") == 0)
1242                         { off|=SSL_OP_NO_TICKET; }
1243 #endif
1244 #ifndef OPENSSL_NO_SSL2
1245                 else if (strcmp(*argv,"-ssl2") == 0)
1246                         { meth=SSLv2_server_method(); }
1247 #endif
1248 #ifndef OPENSSL_NO_SSL3
1249                 else if (strcmp(*argv,"-ssl3") == 0)
1250                         { meth=SSLv3_server_method(); }
1251 #endif
1252 #ifndef OPENSSL_NO_TLS1
1253                 else if (strcmp(*argv,"-tls1") == 0)
1254                         { meth=TLSv1_server_method(); }
1255                 else if (strcmp(*argv,"-tls1_1") == 0)
1256                         { meth=TLSv1_1_server_method(); }
1257                 else if (strcmp(*argv,"-tls1_2") == 0)
1258                         { meth=TLSv1_2_server_method(); }
1259 #endif
1260 #ifndef OPENSSL_NO_DTLS1
1261                 else if (strcmp(*argv,"-dtls1") == 0)
1262                         { 
1263                         meth=DTLSv1_server_method();
1264                         socket_type = SOCK_DGRAM;
1265                         }
1266                 else if (strcmp(*argv,"-timeout") == 0)
1267                         enable_timeouts = 1;
1268                 else if (strcmp(*argv,"-mtu") == 0)
1269                         {
1270                         if (--argc < 1) goto bad;
1271                         socket_mtu = atol(*(++argv));
1272                         }
1273                 else if (strcmp(*argv, "-chain") == 0)
1274                         cert_chain = 1;
1275 #endif
1276                 else if (strcmp(*argv, "-id_prefix") == 0)
1277                         {
1278                         if (--argc < 1) goto bad;
1279                         session_id_prefix = *(++argv);
1280                         }
1281 #ifndef OPENSSL_NO_ENGINE
1282                 else if (strcmp(*argv,"-engine") == 0)
1283                         {
1284                         if (--argc < 1) goto bad;
1285                         engine_id= *(++argv);
1286                         }
1287 #endif
1288                 else if (strcmp(*argv,"-rand") == 0)
1289                         {
1290                         if (--argc < 1) goto bad;
1291                         inrand= *(++argv);
1292                         }
1293 #ifndef OPENSSL_NO_TLSEXT
1294                 else if (strcmp(*argv,"-servername") == 0)
1295                         {
1296                         if (--argc < 1) goto bad;
1297                         tlsextcbp.servername= *(++argv);
1298                         }
1299                 else if (strcmp(*argv,"-servername_fatal") == 0)
1300                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1301                 else if (strcmp(*argv,"-cert2") == 0)
1302                         {
1303                         if (--argc < 1) goto bad;
1304                         s_cert_file2= *(++argv);
1305                         }
1306                 else if (strcmp(*argv,"-key2") == 0)
1307                         {
1308                         if (--argc < 1) goto bad;
1309                         s_key_file2= *(++argv);
1310                         }
1311 # ifndef OPENSSL_NO_NEXTPROTONEG
1312                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1313                         {
1314                         if (--argc < 1) goto bad;
1315                         next_proto_neg_in = *(++argv);
1316                         }
1317 # endif
1318 #endif
1319 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1320                 else if (strcmp(*argv,"-jpake") == 0)
1321                         {
1322                         if (--argc < 1) goto bad;
1323                         jpake_secret = *(++argv);
1324                         }
1325 #endif
1326 #ifndef OPENSSL_NO_SRTP
1327                 else if (strcmp(*argv,"-use_srtp") == 0)
1328                         {
1329                         if (--argc < 1) goto bad;
1330                         srtp_profiles = *(++argv);
1331                         }
1332 #endif
1333                 else if (strcmp(*argv,"-keymatexport") == 0)
1334                         {
1335                         if (--argc < 1) goto bad;
1336                         keymatexportlabel= *(++argv);
1337                         }
1338                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1339                         {
1340                         if (--argc < 1) goto bad;
1341                         keymatexportlen=atoi(*(++argv));
1342                         if (keymatexportlen == 0) goto bad;
1343                         }
1344                 else
1345                         {
1346                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1347                         badop=1;
1348                         break;
1349                         }
1350                 argc--;
1351                 argv++;
1352                 }
1353         if (badop)
1354                 {
1355 bad:
1356                 sv_usage();
1357                 goto end;
1358                 }
1359
1360 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1361         if (jpake_secret)
1362                 {
1363                 if (psk_key)
1364                         {
1365                         BIO_printf(bio_err,
1366                                    "Can't use JPAKE and PSK together\n");
1367                         goto end;
1368                         }
1369                 psk_identity = "JPAKE";
1370                 if (cipher)
1371                         {
1372                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1373                         goto end;
1374                         }
1375                 cipher = "PSK";
1376                 }
1377
1378 #endif
1379
1380         SSL_load_error_strings();
1381         OpenSSL_add_ssl_algorithms();
1382
1383 #ifndef OPENSSL_NO_ENGINE
1384         e = setup_engine(bio_err, engine_id, 1);
1385 #endif
1386
1387         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1388                 {
1389                 BIO_printf(bio_err, "Error getting password\n");
1390                 goto end;
1391                 }
1392
1393
1394         if (s_key_file == NULL)
1395                 s_key_file = s_cert_file;
1396 #ifndef OPENSSL_NO_TLSEXT
1397         if (s_key_file2 == NULL)
1398                 s_key_file2 = s_cert_file2;
1399 #endif
1400
1401         if (nocert == 0)
1402                 {
1403                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1404                        "server certificate private key file");
1405                 if (!s_key)
1406                         {
1407                         ERR_print_errors(bio_err);
1408                         goto end;
1409                         }
1410
1411                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1412                         NULL, e, "server certificate file");
1413
1414                 if (!s_cert)
1415                         {
1416                         ERR_print_errors(bio_err);
1417                         goto end;
1418                         }
1419
1420 #ifndef OPENSSL_NO_TLSEXT
1421                 if (tlsextcbp.servername) 
1422                         {
1423                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1424                                 "second server certificate private key file");
1425                         if (!s_key2)
1426                                 {
1427                                 ERR_print_errors(bio_err);
1428                                 goto end;
1429                                 }
1430                         
1431                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1432                                 NULL, e, "second server certificate file");
1433                         
1434                         if (!s_cert2)
1435                                 {
1436                                 ERR_print_errors(bio_err);
1437                                 goto end;
1438                                 }
1439                         }
1440 #endif
1441                 }
1442
1443 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 
1444         if (next_proto_neg_in)
1445                 {
1446                 unsigned short len;
1447                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1448                 if (next_proto.data == NULL)
1449                         goto end;
1450                 next_proto.len = len;
1451                 }
1452         else
1453                 {
1454                 next_proto.data = NULL;
1455                 }
1456 #endif
1457
1458
1459         if (s_dcert_file)
1460                 {
1461
1462                 if (s_dkey_file == NULL)
1463                         s_dkey_file = s_dcert_file;
1464
1465                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1466                                 0, dpass, e,
1467                                "second certificate private key file");
1468                 if (!s_dkey)
1469                         {
1470                         ERR_print_errors(bio_err);
1471                         goto end;
1472                         }
1473
1474                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1475                                 NULL, e, "second server certificate file");
1476
1477                 if (!s_dcert)
1478                         {
1479                         ERR_print_errors(bio_err);
1480                         goto end;
1481                         }
1482
1483                 }
1484
1485         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1486                 && !RAND_status())
1487                 {
1488                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1489                 }
1490         if (inrand != NULL)
1491                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1492                         app_RAND_load_files(inrand));
1493
1494         if (bio_s_out == NULL)
1495                 {
1496                 if (s_quiet && !s_debug && !s_msg)
1497                         {
1498                         bio_s_out=BIO_new(BIO_s_null());
1499                         }
1500                 else
1501                         {
1502                         if (bio_s_out == NULL)
1503                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1504                         }
1505                 }
1506
1507 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1508         if (nocert)
1509 #endif
1510                 {
1511                 s_cert_file=NULL;
1512                 s_key_file=NULL;
1513                 s_dcert_file=NULL;
1514                 s_dkey_file=NULL;
1515 #ifndef OPENSSL_NO_TLSEXT
1516                 s_cert_file2=NULL;
1517                 s_key_file2=NULL;
1518 #endif
1519                 }
1520
1521         ctx=SSL_CTX_new(meth);
1522         if (ctx == NULL)
1523                 {
1524                 ERR_print_errors(bio_err);
1525                 goto end;
1526                 }
1527         if (session_id_prefix)
1528                 {
1529                 if(strlen(session_id_prefix) >= 32)
1530                         BIO_printf(bio_err,
1531 "warning: id_prefix is too long, only one new session will be possible\n");
1532                 else if(strlen(session_id_prefix) >= 16)
1533                         BIO_printf(bio_err,
1534 "warning: id_prefix is too long if you use SSLv2\n");
1535                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1536                         {
1537                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1538                         ERR_print_errors(bio_err);
1539                         goto end;
1540                         }
1541                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1542                 }
1543         SSL_CTX_set_quiet_shutdown(ctx,1);
1544         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1545         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1546         SSL_CTX_set_options(ctx,off);
1547         /* DTLS: partial reads end up discarding unread UDP bytes :-( 
1548          * Setting read ahead solves this problem.
1549          */
1550         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1551
1552         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1553         if (no_cache)
1554                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1555         else
1556                 SSL_CTX_sess_set_cache_size(ctx,128);
1557
1558 #ifndef OPENSSL_NO_SRTP
1559         if (srtp_profiles != NULL)
1560                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1561 #endif
1562
1563 #if 0
1564         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1565 #endif
1566
1567 #if 0
1568         if (s_cert_file == NULL)
1569                 {
1570                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1571                 goto end;
1572                 }
1573 #endif
1574
1575         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1576                 (!SSL_CTX_set_default_verify_paths(ctx)))
1577                 {
1578                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1579                 ERR_print_errors(bio_err);
1580                 /* goto end; */
1581                 }
1582         if (vpm)
1583                 SSL_CTX_set1_param(ctx, vpm);
1584
1585 #ifndef OPENSSL_NO_TLSEXT
1586         if (s_cert2)
1587                 {
1588                 ctx2=SSL_CTX_new(meth);
1589                 if (ctx2 == NULL)
1590                         {
1591                         ERR_print_errors(bio_err);
1592                         goto end;
1593                         }
1594                 }
1595         
1596         if (ctx2)
1597                 {
1598                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1599
1600                 if (session_id_prefix)
1601                         {
1602                         if(strlen(session_id_prefix) >= 32)
1603                                 BIO_printf(bio_err,
1604                                         "warning: id_prefix is too long, only one new session will be possible\n");
1605                         else if(strlen(session_id_prefix) >= 16)
1606                                 BIO_printf(bio_err,
1607                                         "warning: id_prefix is too long if you use SSLv2\n");
1608                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1609                                 {
1610                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1611                                 ERR_print_errors(bio_err);
1612                                 goto end;
1613                                 }
1614                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1615                         }
1616                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1617                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1618                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1619                 SSL_CTX_set_options(ctx2,off);
1620                 /* DTLS: partial reads end up discarding unread UDP bytes :-( 
1621                  * Setting read ahead solves this problem.
1622                  */
1623                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1624
1625                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1626
1627                 if (no_cache)
1628                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1629                 else
1630                         SSL_CTX_sess_set_cache_size(ctx2,128);
1631
1632                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1633                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1634                         {
1635                         ERR_print_errors(bio_err);
1636                         }
1637                 if (vpm)
1638                         SSL_CTX_set1_param(ctx2, vpm);
1639                 }
1640
1641 # ifndef OPENSSL_NO_NEXTPROTONEG
1642         if (next_proto.data)
1643                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1644 # endif
1645 #endif 
1646
1647 #ifndef OPENSSL_NO_DH
1648         if (!no_dhe)
1649                 {
1650                 DH *dh=NULL;
1651
1652                 if (dhfile)
1653                         dh = load_dh_param(dhfile);
1654                 else if (s_cert_file)
1655                         dh = load_dh_param(s_cert_file);
1656
1657                 if (dh != NULL)
1658                         {
1659                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1660                         }
1661                 else
1662                         {
1663                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1664                         dh=get_dh512();
1665                         }
1666                 (void)BIO_flush(bio_s_out);
1667
1668                 SSL_CTX_set_tmp_dh(ctx,dh);
1669 #ifndef OPENSSL_NO_TLSEXT
1670                 if (ctx2)
1671                         {
1672                         if (!dhfile)
1673                                 { 
1674                                 DH *dh2=load_dh_param(s_cert_file2);
1675                                 if (dh2 != NULL)
1676                                         {
1677                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1678                                         (void)BIO_flush(bio_s_out);
1679
1680                                         DH_free(dh);
1681                                         dh = dh2;
1682                                         }
1683                                 }
1684                         SSL_CTX_set_tmp_dh(ctx2,dh);
1685                         }
1686 #endif
1687                 DH_free(dh);
1688                 }
1689 #endif
1690
1691 #ifndef OPENSSL_NO_ECDH
1692         if (!no_ecdhe)
1693                 {
1694                 EC_KEY *ecdh=NULL;
1695
1696                 if (named_curve)
1697                         {
1698                         int nid = OBJ_sn2nid(named_curve);
1699
1700                         if (nid == 0)
1701                                 {
1702                                 BIO_printf(bio_err, "unknown curve name (%s)\n", 
1703                                         named_curve);
1704                                 goto end;
1705                                 }
1706                         ecdh = EC_KEY_new_by_curve_name(nid);
1707                         if (ecdh == NULL)
1708                                 {
1709                                 BIO_printf(bio_err, "unable to create curve (%s)\n", 
1710                                         named_curve);
1711                                 goto end;
1712                                 }
1713                         }
1714
1715                 if (ecdh != NULL)
1716                         {
1717                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1718                         }
1719                 else
1720                         {
1721                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1722                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1723                         if (ecdh == NULL) 
1724                                 {
1725                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1726                                 goto end;
1727                                 }
1728                         }
1729                 (void)BIO_flush(bio_s_out);
1730
1731                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1732 #ifndef OPENSSL_NO_TLSEXT
1733                 if (ctx2) 
1734                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1735 #endif
1736                 EC_KEY_free(ecdh);
1737                 }
1738 #endif
1739         
1740         if (!set_cert_key_stuff(ctx, s_cert, s_key))
1741                 goto end;
1742 #ifndef OPENSSL_NO_TLSEXT
1743         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2))
1744                 goto end; 
1745 #endif
1746         if (s_dcert != NULL)
1747                 {
1748                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey))
1749                         goto end;
1750                 }
1751
1752 #ifndef OPENSSL_NO_RSA
1753 #if 1
1754         if (!no_tmp_rsa)
1755                 {
1756                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1757 #ifndef OPENSSL_NO_TLSEXT
1758                 if (ctx2) 
1759                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1760 #endif          
1761                 }
1762 #else
1763         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1764                 {
1765                 RSA *rsa;
1766
1767                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1768                 BIO_flush(bio_s_out);
1769
1770                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1771
1772                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1773                         {
1774                         ERR_print_errors(bio_err);
1775                         goto end;
1776                         }
1777 #ifndef OPENSSL_NO_TLSEXT
1778                         if (ctx2)
1779                                 {
1780                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1781                                         {
1782                                         ERR_print_errors(bio_err);
1783                                         goto end;
1784                                         }
1785                                 }
1786 #endif
1787                 RSA_free(rsa);
1788                 BIO_printf(bio_s_out,"\n");
1789                 }
1790 #endif
1791 #endif
1792
1793 #ifndef OPENSSL_NO_PSK
1794 #ifdef OPENSSL_NO_JPAKE
1795         if (psk_key != NULL)
1796 #else
1797         if (psk_key != NULL || jpake_secret)
1798 #endif
1799                 {
1800                 if (s_debug)
1801                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1802                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1803                 }
1804
1805         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1806                 {
1807                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1808                 ERR_print_errors(bio_err);
1809                 goto end;
1810                 }
1811 #endif
1812
1813         if (cipher != NULL)
1814                 {
1815                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1816                         {
1817                         BIO_printf(bio_err,"error setting cipher list\n");
1818                         ERR_print_errors(bio_err);
1819                         goto end;
1820                         }
1821 #ifndef OPENSSL_NO_TLSEXT
1822                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1823                         {
1824                         BIO_printf(bio_err,"error setting cipher list\n");
1825                         ERR_print_errors(bio_err);
1826                         goto end;
1827                         }
1828 #endif
1829                 }
1830         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1831         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1832                 sizeof s_server_session_id_context);
1833
1834         /* Set DTLS cookie generation and verification callbacks */
1835         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1836         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1837
1838 #ifndef OPENSSL_NO_TLSEXT
1839         if (ctx2)
1840                 {
1841                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1842                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1843                         sizeof s_server_session_id_context);
1844
1845                 tlsextcbp.biodebug = bio_s_out;
1846                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1847                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1848                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1849                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1850                 }
1851 #endif
1852
1853 #ifndef OPENSSL_NO_SRP
1854         if (srp_verifier_file != NULL)
1855                 {
1856                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1857                 srp_callback_parm.user = NULL;
1858                 srp_callback_parm.login = NULL;
1859                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1860                         {
1861                         BIO_printf(bio_err,
1862                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1863                                    srp_verifier_file, ret);
1864                                 goto end;
1865                         }
1866                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1867                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);                        
1868                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1869                 }
1870         else
1871 #endif
1872         if (CAfile != NULL)
1873                 {
1874                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1875 #ifndef OPENSSL_NO_TLSEXT
1876                 if (ctx2) 
1877                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1878 #endif
1879                 }
1880
1881         BIO_printf(bio_s_out,"ACCEPT\n");
1882         (void)BIO_flush(bio_s_out);
1883         if (www)
1884                 do_server(port,socket_type,&accept_socket,www_body, context);
1885         else
1886                 do_server(port,socket_type,&accept_socket,sv_body, context);
1887         print_stats(bio_s_out,ctx);
1888         ret=0;
1889 end:
1890         if (ctx != NULL) SSL_CTX_free(ctx);
1891         if (s_cert)
1892                 X509_free(s_cert);
1893         if (s_dcert)
1894                 X509_free(s_dcert);
1895         if (s_key)
1896                 EVP_PKEY_free(s_key);
1897         if (s_dkey)
1898                 EVP_PKEY_free(s_dkey);
1899         if (pass)
1900                 OPENSSL_free(pass);
1901         if (dpass)
1902                 OPENSSL_free(dpass);
1903         if (vpm)
1904                 X509_VERIFY_PARAM_free(vpm);
1905 #ifndef OPENSSL_NO_TLSEXT
1906         if (tlscstatp.host)
1907                 OPENSSL_free(tlscstatp.host);
1908         if (tlscstatp.port)
1909                 OPENSSL_free(tlscstatp.port);
1910         if (tlscstatp.path)
1911                 OPENSSL_free(tlscstatp.path);
1912         if (ctx2 != NULL) SSL_CTX_free(ctx2);
1913         if (s_cert2)
1914                 X509_free(s_cert2);
1915         if (s_key2)
1916                 EVP_PKEY_free(s_key2);
1917 #endif
1918         if (bio_s_out != NULL)
1919                 {
1920         BIO_free(bio_s_out);
1921                 bio_s_out=NULL;
1922                 }
1923         apps_shutdown();
1924         OPENSSL_EXIT(ret);
1925         }
1926
1927 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1928         {
1929         BIO_printf(bio,"%4ld items in the session cache\n",
1930                 SSL_CTX_sess_number(ssl_ctx));
1931         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
1932                 SSL_CTX_sess_connect(ssl_ctx));
1933         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
1934                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1935         BIO_printf(bio,"%4ld client connects that finished\n",
1936                 SSL_CTX_sess_connect_good(ssl_ctx));
1937         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
1938                 SSL_CTX_sess_accept(ssl_ctx));
1939         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
1940                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1941         BIO_printf(bio,"%4ld server accepts that finished\n",
1942                 SSL_CTX_sess_accept_good(ssl_ctx));
1943         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
1944         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
1945         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
1946         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
1947         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
1948                 SSL_CTX_sess_cache_full(ssl_ctx),
1949                 SSL_CTX_sess_get_cache_size(ssl_ctx));
1950         }
1951
1952 static int sv_body(char *hostname, int s, unsigned char *context)
1953         {
1954         char *buf=NULL;
1955         fd_set readfds;
1956         int ret=1,width;
1957         int k,i;
1958         unsigned long l;
1959         SSL *con=NULL;
1960         BIO *sbio;
1961 #ifndef OPENSSL_NO_KRB5
1962         KSSL_CTX *kctx;
1963 #endif
1964         struct timeval timeout;
1965 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1966         struct timeval tv;
1967 #else
1968         struct timeval *timeoutp;
1969 #endif
1970
1971         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
1972                 {
1973                 BIO_printf(bio_err,"out of memory\n");
1974                 goto err;
1975                 }
1976 #ifdef FIONBIO  
1977         if (s_nbio)
1978                 {
1979                 unsigned long sl=1;
1980
1981                 if (!s_quiet)
1982                         BIO_printf(bio_err,"turning on non blocking io\n");
1983                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1984                         ERR_print_errors(bio_err);
1985                 }
1986 #endif
1987
1988         if (con == NULL) {
1989                 con=SSL_new(ctx);
1990 #ifndef OPENSSL_NO_TLSEXT
1991         if (s_tlsextdebug)
1992                 {
1993                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1994                 SSL_set_tlsext_debug_arg(con, bio_s_out);
1995                 }
1996         if (s_tlsextstatus)
1997                 {
1998                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1999                 tlscstatp.err = bio_err;
2000                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2001                 }
2002 #endif
2003 #ifndef OPENSSL_NO_KRB5
2004                 if ((kctx = kssl_ctx_new()) != NULL)
2005                         {
2006                         SSL_set0_kssl_ctx(con, kctx);
2007                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2008                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2009                         }
2010 #endif  /* OPENSSL_NO_KRB5 */
2011                 if(context)
2012                       SSL_set_session_id_context(con, context,
2013                                                  strlen((char *)context));
2014         }
2015         SSL_clear(con);
2016 #if 0
2017 #ifdef TLSEXT_TYPE_opaque_prf_input
2018         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2019 #endif
2020 #endif
2021
2022         if (SSL_version(con) == DTLS1_VERSION)
2023                 {
2024
2025                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2026
2027                 if (enable_timeouts)
2028                         {
2029                         timeout.tv_sec = 0;
2030                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2031                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2032                         
2033                         timeout.tv_sec = 0;
2034                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2035                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2036                         }
2037
2038                 if (socket_mtu > 28)
2039                         {
2040                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2041                         SSL_set_mtu(con, socket_mtu - 28);
2042                         }
2043                 else
2044                         /* want to do MTU discovery */
2045                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2046
2047         /* turn on cookie exchange */
2048         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2049                 }
2050         else
2051                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2052
2053         if (s_nbio_test)
2054                 {
2055                 BIO *test;
2056
2057                 test=BIO_new(BIO_f_nbio_test());
2058                 sbio=BIO_push(test,sbio);
2059                 }
2060 #ifndef OPENSSL_NO_JPAKE
2061         if(jpake_secret)
2062                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2063 #endif
2064
2065         SSL_set_bio(con,sbio,sbio);
2066         SSL_set_accept_state(con);
2067         /* SSL_set_fd(con,s); */
2068
2069         if (s_debug)
2070                 {
2071                 SSL_set_debug(con, 1);
2072                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2073                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2074                 }
2075         if (s_msg)
2076                 {
2077                 SSL_set_msg_callback(con, msg_cb);
2078                 SSL_set_msg_callback_arg(con, bio_s_out);
2079                 }
2080 #ifndef OPENSSL_NO_TLSEXT
2081         if (s_tlsextdebug)
2082                 {
2083                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2084                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2085                 }
2086 #endif
2087
2088         width=s+1;
2089         for (;;)
2090                 {
2091                 int read_from_terminal;
2092                 int read_from_sslcon;
2093
2094                 read_from_terminal = 0;
2095                 read_from_sslcon = SSL_pending(con);
2096
2097                 if (!read_from_sslcon)
2098                         {
2099                         FD_ZERO(&readfds);
2100 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2101                         openssl_fdset(fileno(stdin),&readfds);
2102 #endif
2103                         openssl_fdset(s,&readfds);
2104                         /* Note: under VMS with SOCKETSHR the second parameter is
2105                          * currently of type (int *) whereas under other systems
2106                          * it is (void *) if you don't have a cast it will choke
2107                          * the compiler: if you do have a cast then you can either
2108                          * go for (int *) or (void *).
2109                          */
2110 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2111                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2112                          * on sockets. As a workaround we timeout the select every
2113                          * second and check for any keypress. In a proper Windows
2114                          * application we wouldn't do this because it is inefficient.
2115                          */
2116                         tv.tv_sec = 1;
2117                         tv.tv_usec = 0;
2118                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2119                         if((i < 0) || (!i && !_kbhit() ) )continue;
2120                         if(_kbhit())
2121                                 read_from_terminal = 1;
2122 #elif defined(OPENSSL_SYS_BEOS_R5)
2123                         /* Under BeOS-R5 the situation is similar to DOS */
2124                         tv.tv_sec = 1;
2125                         tv.tv_usec = 0;
2126                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2127                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2128                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2129                                 continue;
2130                         if (read(fileno(stdin), buf, 0) >= 0)
2131                                 read_from_terminal = 1;
2132                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2133 #else
2134                         if ((SSL_version(con) == DTLS1_VERSION) &&
2135                                 DTLSv1_get_timeout(con, &timeout))
2136                                 timeoutp = &timeout;
2137                         else
2138                                 timeoutp = NULL;
2139
2140                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2141
2142                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2143                                 {
2144                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2145                                 }
2146
2147                         if (i <= 0) continue;
2148                         if (FD_ISSET(fileno(stdin),&readfds))
2149                                 read_from_terminal = 1;
2150 #endif
2151                         if (FD_ISSET(s,&readfds))
2152                                 read_from_sslcon = 1;
2153                         }
2154                 if (read_from_terminal)
2155                         {
2156                         if (s_crlf)
2157                                 {
2158                                 int j, lf_num;
2159
2160                                 i=raw_read_stdin(buf, bufsize/2);
2161                                 lf_num = 0;
2162                                 /* both loops are skipped when i <= 0 */
2163                                 for (j = 0; j < i; j++)
2164                                         if (buf[j] == '\n')
2165                                                 lf_num++;
2166                                 for (j = i-1; j >= 0; j--)
2167                                         {
2168                                         buf[j+lf_num] = buf[j];
2169                                         if (buf[j] == '\n')
2170                                                 {
2171                                                 lf_num--;
2172                                                 i++;
2173                                                 buf[j+lf_num] = '\r';
2174                                                 }
2175                                         }
2176                                 assert(lf_num == 0);
2177                                 }
2178                         else
2179                                 i=raw_read_stdin(buf,bufsize);
2180                         if (!s_quiet)
2181                                 {
2182                                 if ((i <= 0) || (buf[0] == 'Q'))
2183                                         {
2184                                         BIO_printf(bio_s_out,"DONE\n");
2185                                         SHUTDOWN(s);
2186                                         close_accept_socket();
2187                                         ret= -11;
2188                                         goto err;
2189                                         }
2190                                 if ((i <= 0) || (buf[0] == 'q'))
2191                                         {
2192                                         BIO_printf(bio_s_out,"DONE\n");
2193                                         if (SSL_version(con) != DTLS1_VERSION)
2194                         SHUTDOWN(s);
2195         /*                              close_accept_socket();
2196                                         ret= -11;*/
2197                                         goto err;
2198                                         }
2199
2200 #ifndef OPENSSL_NO_HEARTBEATS
2201                                 if ((buf[0] == 'B') &&
2202                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2203                                         {
2204                                         BIO_printf(bio_err,"HEARTBEATING\n");
2205                                         SSL_heartbeat(con);
2206                                         i=0;
2207                                         continue;
2208                                         }
2209 #endif
2210                                 if ((buf[0] == 'r') && 
2211                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2212                                         {
2213                                         SSL_renegotiate(con);
2214                                         i=SSL_do_handshake(con);
2215                                         printf("SSL_do_handshake -> %d\n",i);
2216                                         i=0; /*13; */
2217                                         continue;
2218                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2219                                         }
2220                                 if ((buf[0] == 'R') &&
2221                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2222                                         {
2223                                         SSL_set_verify(con,
2224                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2225                                         SSL_renegotiate(con);
2226                                         i=SSL_do_handshake(con);
2227                                         printf("SSL_do_handshake -> %d\n",i);
2228                                         i=0; /* 13; */
2229                                         continue;
2230                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2231                                         }
2232                                 if (buf[0] == 'P')
2233                                         {
2234                                         static const char *str="Lets print some clear text\n";
2235                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2236                                         }
2237                                 if (buf[0] == 'S')
2238                                         {
2239                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2240                                         }
2241                                 }
2242 #ifdef CHARSET_EBCDIC
2243                         ebcdic2ascii(buf,buf,i);
2244 #endif
2245                         l=k=0;
2246                         for (;;)
2247                                 {
2248                                 /* should do a select for the write */
2249 #ifdef RENEG
2250 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2251 #endif
2252                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2253 #ifndef OPENSSL_NO_SRP
2254                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2255                                         {
2256                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2257                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2258                                         if (srp_callback_parm.user) 
2259                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2260                                         else 
2261                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2262                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2263                                         }
2264 #endif
2265                                 switch (SSL_get_error(con,k))
2266                                         {
2267                                 case SSL_ERROR_NONE:
2268                                         break;
2269                                 case SSL_ERROR_WANT_WRITE:
2270                                 case SSL_ERROR_WANT_READ:
2271                                 case SSL_ERROR_WANT_X509_LOOKUP:
2272                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2273                                         break;
2274                                 case SSL_ERROR_SYSCALL:
2275                                 case SSL_ERROR_SSL:
2276                                         BIO_printf(bio_s_out,"ERROR\n");
2277                                         ERR_print_errors(bio_err);
2278                                         ret=1;
2279                                         goto err;
2280                                         /* break; */
2281                                 case SSL_ERROR_ZERO_RETURN:
2282                                         BIO_printf(bio_s_out,"DONE\n");
2283                                         ret=1;
2284                                         goto err;
2285                                         }
2286                                 l+=k;
2287                                 i-=k;
2288                                 if (i <= 0) break;
2289                                 }
2290                         }
2291                 if (read_from_sslcon)
2292                         {
2293                         if (!SSL_is_init_finished(con))
2294                                 {
2295                                 i=init_ssl_connection(con);
2296                                 
2297                                 if (i < 0)
2298                                         {
2299                                         ret=0;
2300                                         goto err;
2301                                         }
2302                                 else if (i == 0)
2303                                         {
2304                                         ret=1;
2305                                         goto err;
2306                                         }
2307                                 }
2308                         else
2309                                 {
2310 again:  
2311                                 i=SSL_read(con,(char *)buf,bufsize);
2312 #ifndef OPENSSL_NO_SRP
2313                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2314                                         {
2315                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2316                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2317                                         if (srp_callback_parm.user) 
2318                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2319                                         else 
2320                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2321                                         i=SSL_read(con,(char *)buf,bufsize);
2322                                         }
2323 #endif
2324                                 switch (SSL_get_error(con,i))
2325                                         {
2326                                 case SSL_ERROR_NONE:
2327 #ifdef CHARSET_EBCDIC
2328                                         ascii2ebcdic(buf,buf,i);
2329 #endif
2330                                         raw_write_stdout(buf,
2331                                                 (unsigned int)i);
2332                                         if (SSL_pending(con)) goto again;
2333                                         break;
2334                                 case SSL_ERROR_WANT_WRITE:
2335                                 case SSL_ERROR_WANT_READ:
2336                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2337                                         break;
2338                                 case SSL_ERROR_SYSCALL:
2339                                 case SSL_ERROR_SSL:
2340                                         BIO_printf(bio_s_out,"ERROR\n");
2341                                         ERR_print_errors(bio_err);
2342                                         ret=1;
2343                                         goto err;
2344                                 case SSL_ERROR_ZERO_RETURN:
2345                                         BIO_printf(bio_s_out,"DONE\n");
2346                                         ret=1;
2347                                         goto err;
2348                                         }
2349                                 }
2350                         }
2351                 }
2352 err:
2353         if (con != NULL)
2354                 {
2355                 BIO_printf(bio_s_out,"shutting down SSL\n");
2356 #if 1
2357                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2358 #else
2359                 SSL_shutdown(con);
2360 #endif
2361                 SSL_free(con);
2362                 }
2363         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2364         if (buf != NULL)
2365                 {
2366                 OPENSSL_cleanse(buf,bufsize);
2367                 OPENSSL_free(buf);
2368                 }
2369         if (ret >= 0)
2370                 BIO_printf(bio_s_out,"ACCEPT\n");
2371         return(ret);
2372         }
2373
2374 static void close_accept_socket(void)
2375         {
2376         BIO_printf(bio_err,"shutdown accept socket\n");
2377         if (accept_socket >= 0)
2378                 {
2379                 SHUTDOWN2(accept_socket);
2380                 }
2381         }
2382
2383 static int init_ssl_connection(SSL *con)
2384         {
2385         int i;
2386         const char *str;
2387         X509 *peer;
2388         long verify_error;
2389         MS_STATIC char buf[BUFSIZ];
2390 #ifndef OPENSSL_NO_KRB5
2391         char *client_princ;
2392 #endif
2393 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2394         const unsigned char *next_proto_neg;
2395         unsigned next_proto_neg_len;
2396 #endif
2397         unsigned char *exportedkeymat;
2398
2399
2400         i=SSL_accept(con);
2401 #ifndef OPENSSL_NO_SRP
2402         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 
2403                 {
2404                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2405                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2406                         if (srp_callback_parm.user) 
2407                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2408                         else 
2409                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2410                         i=SSL_accept(con);
2411                 }
2412 #endif
2413         if (i <= 0)
2414                 {
2415                 if (BIO_sock_should_retry(i))
2416                         {
2417                         BIO_printf(bio_s_out,"DELAY\n");
2418                         return(1);
2419                         }
2420
2421                 BIO_printf(bio_err,"ERROR\n");
2422                 verify_error=SSL_get_verify_result(con);
2423                 if (verify_error != X509_V_OK)
2424                         {
2425                         BIO_printf(bio_err,"verify error:%s\n",
2426                                 X509_verify_cert_error_string(verify_error));
2427                         }
2428                 else
2429                         ERR_print_errors(bio_err);
2430                 return(0);
2431                 }
2432
2433         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2434
2435         peer=SSL_get_peer_certificate(con);
2436         if (peer != NULL)
2437                 {
2438                 BIO_printf(bio_s_out,"Client certificate\n");
2439                 PEM_write_bio_X509(bio_s_out,peer);
2440                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2441                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2442                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2443                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2444                 X509_free(peer);
2445                 }
2446
2447         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2448                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2449         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2450         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2451
2452 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2453         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2454         if (next_proto_neg)
2455                 {
2456                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2457                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2458                 BIO_printf(bio_s_out, "\n");
2459                 }
2460 #endif
2461 #ifndef OPENSSL_NO_SRTP
2462         {
2463         SRTP_PROTECTION_PROFILE *srtp_profile
2464           = SSL_get_selected_srtp_profile(con);
2465
2466         if(srtp_profile)
2467                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2468                            srtp_profile->name);
2469         }
2470 #endif
2471         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2472         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2473                 TLS1_FLAGS_TLS_PADDING_BUG)
2474                 BIO_printf(bio_s_out,
2475                            "Peer has incorrect TLSv1 block padding\n");
2476 #ifndef OPENSSL_NO_KRB5
2477         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2478         if (client_princ != NULL)
2479                 {
2480                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2481                                                                 client_princ);
2482                 }
2483 #endif /* OPENSSL_NO_KRB5 */
2484         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2485                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2486         if (keymatexportlabel != NULL)
2487                 {
2488                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2489                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2490                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2491                            keymatexportlen);
2492                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2493                 if (exportedkeymat != NULL)
2494                         {
2495                         if (!SSL_export_keying_material(con, exportedkeymat,
2496                                                         keymatexportlen,
2497                                                         keymatexportlabel,
2498                                                         strlen(keymatexportlabel),
2499                                                         NULL, 0, 0))
2500                                 {
2501                                 BIO_printf(bio_s_out, "    Error\n");
2502                                 }
2503                         else
2504                                 {
2505                                 BIO_printf(bio_s_out, "    Keying material: ");
2506                                 for (i=0; i<keymatexportlen; i++)
2507                                         BIO_printf(bio_s_out, "%02X",
2508                                                    exportedkeymat[i]);
2509                                 BIO_printf(bio_s_out, "\n");
2510                                 }
2511                         OPENSSL_free(exportedkeymat);
2512                         }
2513                 }
2514
2515         return(1);
2516         }
2517
2518 #ifndef OPENSSL_NO_DH
2519 static DH *load_dh_param(const char *dhfile)
2520         {
2521         DH *ret=NULL;
2522         BIO *bio;
2523
2524         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2525                 goto err;
2526         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2527 err:
2528         if (bio != NULL) BIO_free(bio);
2529         return(ret);
2530         }
2531 #endif
2532 #ifndef OPENSSL_NO_KRB5
2533         char *client_princ;
2534 #endif
2535
2536 #if 0
2537 static int load_CA(SSL_CTX *ctx, char *file)
2538         {
2539         FILE *in;
2540         X509 *x=NULL;
2541
2542         if ((in=fopen(file,"r")) == NULL)
2543                 return(0);
2544
2545         for (;;)
2546                 {
2547                 if (PEM_read_X509(in,&x,NULL) == NULL)
2548                         break;
2549                 SSL_CTX_add_client_CA(ctx,x);
2550                 }
2551         if (x != NULL) X509_free(x);
2552         fclose(in);
2553         return(1);
2554         }
2555 #endif
2556
2557 static int www_body(char *hostname, int s, unsigned char *context)
2558         {
2559         char *buf=NULL;
2560         int ret=1;
2561         int i,j,k,dot;
2562         SSL *con;
2563         const SSL_CIPHER *c;
2564         BIO *io,*ssl_bio,*sbio;
2565 #ifndef OPENSSL_NO_KRB5
2566         KSSL_CTX *kctx;
2567 #endif
2568
2569         buf=OPENSSL_malloc(bufsize);
2570         if (buf == NULL) return(0);
2571         io=BIO_new(BIO_f_buffer());
2572         ssl_bio=BIO_new(BIO_f_ssl());
2573         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2574
2575 #ifdef FIONBIO  
2576         if (s_nbio)
2577                 {
2578                 unsigned long sl=1;
2579
2580                 if (!s_quiet)
2581                         BIO_printf(bio_err,"turning on non blocking io\n");
2582                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2583                         ERR_print_errors(bio_err);
2584                 }
2585 #endif
2586
2587         /* lets make the output buffer a reasonable size */
2588         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2589
2590         if ((con=SSL_new(ctx)) == NULL) goto err;
2591 #ifndef OPENSSL_NO_TLSEXT
2592                 if (s_tlsextdebug)
2593                         {
2594                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2595                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2596                         }
2597 #endif
2598 #ifndef OPENSSL_NO_KRB5
2599         if ((kctx = kssl_ctx_new()) != NULL)
2600                 {
2601                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2602                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2603                 }
2604 #endif  /* OPENSSL_NO_KRB5 */
2605         if(context) SSL_set_session_id_context(con, context,
2606                                                strlen((char *)context));
2607
2608         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2609         if (s_nbio_test)
2610                 {
2611                 BIO *test;
2612
2613                 test=BIO_new(BIO_f_nbio_test());
2614                 sbio=BIO_push(test,sbio);
2615                 }
2616         SSL_set_bio(con,sbio,sbio);
2617         SSL_set_accept_state(con);
2618
2619         /* SSL_set_fd(con,s); */
2620         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2621         BIO_push(io,ssl_bio);
2622 #ifdef CHARSET_EBCDIC
2623         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2624 #endif
2625
2626         if (s_debug)
2627                 {
2628                 SSL_set_debug(con, 1);
2629                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2630                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2631                 }
2632         if (s_msg)
2633                 {
2634                 SSL_set_msg_callback(con, msg_cb);
2635                 SSL_set_msg_callback_arg(con, bio_s_out);
2636                 }
2637
2638         for (;;)
2639                 {
2640                 if (hack)
2641                         {
2642                         i=SSL_accept(con);
2643 #ifndef OPENSSL_NO_SRP
2644                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 
2645                 {
2646                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2647                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2648                         if (srp_callback_parm.user) 
2649                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2650                         else 
2651                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2652                         i=SSL_accept(con);
2653                 }
2654 #endif
2655                         switch (SSL_get_error(con,i))
2656                                 {
2657                         case SSL_ERROR_NONE:
2658                                 break;
2659                         case SSL_ERROR_WANT_WRITE:
2660                         case SSL_ERROR_WANT_READ:
2661                         case SSL_ERROR_WANT_X509_LOOKUP:
2662                                 continue;
2663                         case SSL_ERROR_SYSCALL:
2664                         case SSL_ERROR_SSL:
2665                         case SSL_ERROR_ZERO_RETURN:
2666                                 ret=1;
2667                                 goto err;
2668                                 /* break; */
2669                                 }
2670
2671                         SSL_renegotiate(con);
2672                         SSL_write(con,NULL,0);
2673                         }
2674
2675                 i=BIO_gets(io,buf,bufsize-1);
2676                 if (i < 0) /* error */
2677                         {
2678                         if (!BIO_should_retry(io))
2679                                 {
2680                                 if (!s_quiet)
2681                                         ERR_print_errors(bio_err);
2682                                 goto err;
2683                                 }
2684                         else
2685                                 {
2686                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2687 #if defined(OPENSSL_SYS_NETWARE)
2688             delay(1000);
2689 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2690                                 sleep(1);
2691 #endif
2692                                 continue;
2693                                 }
2694                         }
2695                 else if (i == 0) /* end of input */
2696                         {
2697                         ret=1;
2698                         goto end;
2699                         }
2700
2701                 /* else we have data */
2702                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2703                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2704                         {
2705                         char *p;
2706                         X509 *peer;
2707                         STACK_OF(SSL_CIPHER) *sk;
2708                         static const char *space="                          ";
2709
2710                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2711                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2712                         BIO_puts(io,"<pre>\n");
2713 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2714                         BIO_puts(io,"\n");
2715                         for (i=0; i<local_argc; i++)
2716                                 {
2717                                 BIO_puts(io,local_argv[i]);
2718                                 BIO_write(io," ",1);
2719                                 }
2720                         BIO_puts(io,"\n");
2721
2722                         BIO_printf(io,
2723                                 "Secure Renegotiation IS%s supported\n",
2724                                 SSL_get_secure_renegotiation_support(con) ?
2725                                                         "" : " NOT");
2726
2727                         /* The following is evil and should not really
2728                          * be done */
2729                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2730                         sk=SSL_get_ciphers(con);
2731                         j=sk_SSL_CIPHER_num(sk);
2732                         for (i=0; i<j; i++)
2733                                 {
2734                                 c=sk_SSL_CIPHER_value(sk,i);
2735                                 BIO_printf(io,"%-11s:%-25s",
2736                                         SSL_CIPHER_get_version(c),
2737                                         SSL_CIPHER_get_name(c));
2738                                 if ((((i+1)%2) == 0) && (i+1 != j))
2739                                         BIO_puts(io,"\n");
2740                                 }
2741                         BIO_puts(io,"\n");
2742                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2743                         if (p != NULL)
2744                                 {
2745                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2746                                 j=i=0;
2747                                 while (*p)
2748                                         {
2749                                         if (*p == ':')
2750                                                 {
2751                                                 BIO_write(io,space,26-j);
2752                                                 i++;
2753                                                 j=0;
2754                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2755                                                 }
2756                                         else
2757                                                 {
2758                                                 BIO_write(io,p,1);
2759                                                 j++;
2760                                                 }
2761                                         p++;
2762                                         }
2763                                 BIO_puts(io,"\n");
2764                                 }
2765                         BIO_printf(io,(SSL_cache_hit(con)
2766                                 ?"---\nReused, "
2767                                 :"---\nNew, "));
2768                         c=SSL_get_current_cipher(con);
2769                         BIO_printf(io,"%s, Cipher is %s\n",
2770                                 SSL_CIPHER_get_version(c),
2771                                 SSL_CIPHER_get_name(c));
2772                         SSL_SESSION_print(io,SSL_get_session(con));
2773                         BIO_printf(io,"---\n");
2774                         print_stats(io,SSL_get_SSL_CTX(con));
2775                         BIO_printf(io,"---\n");
2776                         peer=SSL_get_peer_certificate(con);
2777                         if (peer != NULL)
2778                                 {
2779                                 BIO_printf(io,"Client certificate\n");
2780                                 X509_print(io,peer);
2781                                 PEM_write_bio_X509(io,peer);
2782                                 }
2783                         else
2784                                 BIO_puts(io,"no client certificate available\n");
2785                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2786                         break;
2787                         }
2788                 else if ((www == 2 || www == 3)
2789                          && (strncmp("GET /",buf,5) == 0))
2790                         {
2791                         BIO *file;
2792                         char *p,*e;
2793                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2794
2795                         /* skip the '/' */
2796                         p= &(buf[5]);
2797
2798                         dot = 1;
2799                         for (e=p; *e != '\0'; e++)
2800                                 {
2801                                 if (e[0] == ' ')
2802                                         break;
2803
2804                                 switch (dot)
2805                                         {
2806                                 case 1:
2807                                         dot = (e[0] == '.') ? 2 : 0;
2808                                         break;
2809                                 case 2:
2810                                         dot = (e[0] == '.') ? 3 : 0;
2811                                         break;
2812                                 case 3:
2813                                         dot = (e[0] == '/') ? -1 : 0;
2814                                         break;
2815                                         }
2816                                 if (dot == 0)
2817                                         dot = (e[0] == '/') ? 1 : 0;
2818                                 }
2819                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2820
2821                         if (*e == '\0')
2822                                 {
2823                                 BIO_puts(io,text);
2824                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2825                                 break;
2826                                 }
2827                         *e='\0';
2828
2829                         if (dot)
2830                                 {
2831                                 BIO_puts(io,text);
2832                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2833                                 break;
2834                                 }
2835
2836                         if (*p == '/')
2837                                 {
2838                                 BIO_puts(io,text);
2839                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2840                                 break;
2841                                 }
2842
2843 #if 0
2844                         /* append if a directory lookup */
2845                         if (e[-1] == '/')
2846                                 strcat(p,"index.html");
2847 #endif
2848
2849                         /* if a directory, do the index thang */
2850                         if (app_isdir(p)>0)
2851                                 {
2852 #if 0 /* must check buffer size */
2853                                 strcat(p,"/index.html");
2854 #else
2855                                 BIO_puts(io,text);
2856                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2857                                 break;
2858 #endif
2859                                 }
2860
2861                         if ((file=BIO_new_file(p,"r")) == NULL)
2862                                 {
2863                                 BIO_puts(io,text);
2864                                 BIO_printf(io,"Error opening '%s'\r\n",p);
2865                                 ERR_print_errors(io);
2866                                 break;
2867                                 }
2868
2869                         if (!s_quiet)
2870                                 BIO_printf(bio_err,"FILE:%s\n",p);
2871
2872                         if (www == 2)
2873                                 {
2874                                 i=strlen(p);
2875                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2876                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2877                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2878                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2879                                 else
2880                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2881                                 }
2882                         /* send the file */
2883                         for (;;)
2884                                 {
2885                                 i=BIO_read(file,buf,bufsize);
2886                                 if (i <= 0) break;
2887
2888 #ifdef RENEG
2889                                 total_bytes+=i;
2890                                 fprintf(stderr,"%d\n",i);
2891                                 if (total_bytes > 3*1024)
2892                                         {
2893                                         total_bytes=0;
2894                                         fprintf(stderr,"RENEGOTIATE\n");
2895                                         SSL_renegotiate(con);
2896                                         }
2897 #endif
2898
2899                                 for (j=0; j<i; )
2900                                         {
2901 #ifdef RENEG
2902 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
2903 #endif
2904                                         k=BIO_write(io,&(buf[j]),i-j);
2905                                         if (k <= 0)
2906                                                 {
2907                                                 if (!BIO_should_retry(io))
2908                                                         goto write_error;
2909                                                 else
2910                                                         {
2911                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
2912                                                         }
2913                                                 }
2914                                         else
2915                                                 {
2916                                                 j+=k;
2917                                                 }
2918                                         }
2919                                 }
2920 write_error:
2921                         BIO_free(file);
2922                         break;
2923                         }
2924                 }
2925
2926         for (;;)
2927                 {
2928                 i=(int)BIO_flush(io);
2929                 if (i <= 0)
2930                         {
2931                         if (!BIO_should_retry(io))
2932                                 break;
2933                         }
2934                 else
2935                         break;
2936                 }
2937 end:
2938 #if 1
2939         /* make sure we re-use sessions */
2940         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2941 #else
2942         /* This kills performance */
2943 /*      SSL_shutdown(con); A shutdown gets sent in the
2944  *      BIO_free_all(io) procession */
2945 #endif
2946
2947 err:
2948
2949         if (ret >= 0)
2950                 BIO_printf(bio_s_out,"ACCEPT\n");
2951
2952         if (buf != NULL) OPENSSL_free(buf);
2953         if (io != NULL) BIO_free_all(io);
2954 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2955         return(ret);
2956         }
2957
2958 #ifndef OPENSSL_NO_RSA
2959 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
2960         {
2961         BIGNUM *bn = NULL;
2962         static RSA *rsa_tmp=NULL;
2963
2964         if (!rsa_tmp && ((bn = BN_new()) == NULL))
2965                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
2966         if (!rsa_tmp && bn)
2967                 {
2968                 if (!s_quiet)
2969                         {
2970                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
2971                         (void)BIO_flush(bio_err);
2972                         }
2973                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
2974                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
2975                         {
2976                         if(rsa_tmp) RSA_free(rsa_tmp);
2977                         rsa_tmp = NULL;
2978                         }
2979                 if (!s_quiet)
2980                         {
2981                         BIO_printf(bio_err,"\n");
2982                         (void)BIO_flush(bio_err);
2983                         }
2984                 BN_free(bn);
2985                 }
2986         return(rsa_tmp);
2987         }
2988 #endif
2989
2990 #define MAX_SESSION_ID_ATTEMPTS 10
2991 static int generate_session_id(const SSL *ssl, unsigned char *id,
2992                                 unsigned int *id_len)
2993         {
2994         unsigned int count = 0;
2995         do      {
2996                 RAND_pseudo_bytes(id, *id_len);
2997                 /* Prefix the session_id with the required prefix. NB: If our
2998                  * prefix is too long, clip it - but there will be worse effects
2999                  * anyway, eg. the server could only possibly create 1 session
3000                  * ID (ie. the prefix!) so all future session negotiations will
3001                  * fail due to conflicts. */
3002                 memcpy(id, session_id_prefix,
3003                         (strlen(session_id_prefix) < *id_len) ?
3004                         strlen(session_id_prefix) : *id_len);
3005                 }
3006         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3007                 (++count < MAX_SESSION_ID_ATTEMPTS));
3008         if(count >= MAX_SESSION_ID_ATTEMPTS)
3009                 return 0;
3010         return 1;
3011         }