Reorganise supported signature algorithm extension processing.
[openssl.git] / apps / s_server.c
1 /* apps/s_server.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  * 
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  * 
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  * 
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from 
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  * 
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  * 
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58 /* ====================================================================
59  * 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 not_resumable_sess_cb(SSL *s, int is_forward_secure);
208 static int sv_body(char *hostname, int s, unsigned char *context);
209 static int www_body(char *hostname, int s, unsigned char *context);
210 static void close_accept_socket(void );
211 static void sv_usage(void);
212 static int init_ssl_connection(SSL *s);
213 static void print_stats(BIO *bp,SSL_CTX *ctx);
214 static int generate_session_id(const SSL *ssl, unsigned char *id,
215                                 unsigned int *id_len);
216 static void init_session_cache_ctx(SSL_CTX *sctx);
217 static void free_sessions(void);
218 #ifndef OPENSSL_NO_DH
219 static DH *load_dh_param(const char *dhfile);
220 static DH *get_dh512(void);
221 #endif
222
223 #ifdef MONOLITH
224 static void s_server_init(void);
225 #endif
226
227 #ifndef OPENSSL_NO_DH
228 static unsigned char dh512_p[]={
229         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
230         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
231         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
232         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
233         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
234         0x47,0x74,0xE8,0x33,
235         };
236 static unsigned char dh512_g[]={
237         0x02,
238         };
239
240 static DH *get_dh512(void)
241         {
242         DH *dh=NULL;
243
244         if ((dh=DH_new()) == NULL) return(NULL);
245         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
246         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
247         if ((dh->p == NULL) || (dh->g == NULL))
248                 return(NULL);
249         return(dh);
250         }
251 #endif
252
253
254 /* static int load_CA(SSL_CTX *ctx, char *file);*/
255
256 #undef BUFSIZZ
257 #define BUFSIZZ 16*1024
258 static int bufsize=BUFSIZZ;
259 static int accept_socket= -1;
260
261 #define TEST_CERT       "server.pem"
262 #ifndef OPENSSL_NO_TLSEXT
263 #define TEST_CERT2      "server2.pem"
264 #endif
265 #undef PROG
266 #define PROG            s_server_main
267
268 extern int verify_depth, verify_return_error;
269
270 static char *cipher=NULL;
271 static int s_server_verify=SSL_VERIFY_NONE;
272 static int s_server_session_id_context = 1; /* anything will do */
273 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
274 #ifndef OPENSSL_NO_TLSEXT
275 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
276 static char *curves=NULL;
277 static char *sigalgs=NULL;
278 #endif
279 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
280 #ifdef FIONBIO
281 static int s_nbio=0;
282 #endif
283 static int s_nbio_test=0;
284 int s_crlf=0;
285 static SSL_CTX *ctx=NULL;
286 #ifndef OPENSSL_NO_TLSEXT
287 static SSL_CTX *ctx2=NULL;
288 #endif
289 static int www=0;
290
291 static BIO *bio_s_out=NULL;
292 static BIO *bio_s_msg = NULL;
293 static int s_debug=0;
294 #ifndef OPENSSL_NO_TLSEXT
295 static int s_tlsextdebug=0;
296 static int s_tlsextstatus=0;
297 static int cert_status_cb(SSL *s, void *arg);
298 #endif
299 static int no_resume_ephemeral = 0;
300 static int s_msg=0;
301 static int s_quiet=0;
302
303 static char *keymatexportlabel=NULL;
304 static int keymatexportlen=20;
305
306 static int hack=0;
307 #ifndef OPENSSL_NO_ENGINE
308 static char *engine_id=NULL;
309 #endif
310 static const char *session_id_prefix=NULL;
311
312 static int enable_timeouts = 0;
313 static long socket_mtu;
314 #ifndef OPENSSL_NO_DTLS1
315 static int cert_chain = 0;
316 #endif
317
318 #ifndef OPENSSL_NO_TLSEXT
319 static BIO *authz_in = NULL;
320 static const char *s_authz_file = NULL;
321 #endif
322
323 #ifndef OPENSSL_NO_PSK
324 static char *psk_identity="Client_identity";
325 char *psk_key=NULL; /* by default PSK is not used */
326
327 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
328         unsigned char *psk, unsigned int max_psk_len)
329         {
330         unsigned int psk_len = 0;
331         int ret;
332         BIGNUM *bn = NULL;
333
334         if (s_debug)
335                 BIO_printf(bio_s_out,"psk_server_cb\n");
336         if (!identity)
337                 {
338                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
339                 goto out_err;
340                 }
341         if (s_debug)
342                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
343                         identity ? (int)strlen(identity) : 0, identity);
344
345         /* here we could lookup the given identity e.g. from a database */
346         if (strcmp(identity, psk_identity) != 0)
347                 {
348                 BIO_printf(bio_s_out, "PSK error: client identity not found"
349                            " (got '%s' expected '%s')\n", identity,
350                            psk_identity);
351                 goto out_err;
352                 }
353         if (s_debug)
354                 BIO_printf(bio_s_out, "PSK client identity found\n");
355
356         /* convert the PSK key to binary */
357         ret = BN_hex2bn(&bn, psk_key);
358         if (!ret)
359                 {
360                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
361                 if (bn)
362                         BN_free(bn);
363                 return 0;
364                 }
365         if (BN_num_bytes(bn) > (int)max_psk_len)
366                 {
367                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
368                         max_psk_len, BN_num_bytes(bn));
369                 BN_free(bn);
370                 return 0;
371                 }
372
373         ret = BN_bn2bin(bn, psk);
374         BN_free(bn);
375
376         if (ret < 0)
377                 goto out_err;
378         psk_len = (unsigned int)ret;
379
380         if (s_debug)
381                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
382         return psk_len;
383  out_err:
384         if (s_debug)
385                 BIO_printf(bio_err, "Error in PSK server callback\n");
386         return 0;
387         }
388 #endif
389
390 #ifndef OPENSSL_NO_SRP
391 /* This is a context that we pass to callbacks */
392 typedef struct srpsrvparm_st
393         {
394         char *login;
395         SRP_VBASE *vb;
396         SRP_user_pwd *user;
397         } srpsrvparm;
398
399 /* This callback pretends to require some asynchronous logic in order to obtain
400    a verifier. When the callback is called for a new connection we return
401    with a negative value. This will provoke the accept etc to return with
402    an LOOKUP_X509. The main logic of the reinvokes the suspended call 
403    (which would normally occur after a worker has finished) and we
404    set the user parameters. 
405 */
406 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
407         {
408         srpsrvparm *p = (srpsrvparm *)arg;
409         if (p->login == NULL && p->user == NULL )
410                 {
411                 p->login = SSL_get_srp_username(s);
412                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
413                 return (-1) ;
414                 }
415
416         if (p->user == NULL)
417                 {
418                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
419                 return SSL3_AL_FATAL;
420                 }
421         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
422                                      p->user->info) < 0)
423                 {
424                 *ad = SSL_AD_INTERNAL_ERROR;
425                 return SSL3_AL_FATAL;
426                 }
427         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
428         /* need to check whether there are memory leaks */
429         p->user = NULL;
430         p->login = NULL;
431         return SSL_ERROR_NONE;
432         }
433
434 #endif
435
436 #ifdef MONOLITH
437 static void s_server_init(void)
438         {
439         accept_socket=-1;
440         cipher=NULL;
441         s_server_verify=SSL_VERIFY_NONE;
442         s_dcert_file=NULL;
443         s_dkey_file=NULL;
444         s_dchain_file=NULL;
445         s_cert_file=TEST_CERT;
446         s_key_file=NULL;
447         s_chain_file=NULL;
448 #ifndef OPENSSL_NO_TLSEXT
449         curves=NULL;
450         s_cert_file2=TEST_CERT2;
451         s_key_file2=NULL;
452         ctx2=NULL;
453 #endif
454 #ifdef FIONBIO
455         s_nbio=0;
456 #endif
457         s_nbio_test=0;
458         ctx=NULL;
459         www=0;
460
461         bio_s_out=NULL;
462         s_debug=0;
463         s_msg=0;
464         s_quiet=0;
465         hack=0;
466 #ifndef OPENSSL_NO_ENGINE
467         engine_id=NULL;
468 #endif
469         }
470 #endif
471
472 static void sv_usage(void)
473         {
474         BIO_printf(bio_err,"usage: s_server [args ...]\n");
475         BIO_printf(bio_err,"\n");
476         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
477         BIO_printf(bio_err," -context arg  - set session ID context\n");
478         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
479         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
480         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
481         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
482         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
483         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
484                            "                 The CRL(s) are appended to the certificate file\n");
485         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
486                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
487                            "                 the certificate file.\n");
488         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
489         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
490         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
491         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
492         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
493         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
494         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
495         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
496         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
497         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
498         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
499         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
500 #ifndef OPENSSL_NO_ECDH
501         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
502                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
503                            "                 (default is nistp256).\n");
504 #endif
505 #ifdef FIONBIO
506         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
507 #endif
508         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
509         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
510         BIO_printf(bio_err," -debug        - Print more output\n");
511         BIO_printf(bio_err," -msg          - Show protocol messages\n");
512         BIO_printf(bio_err," -state        - Print the SSL states\n");
513         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
514         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
515         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
516         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
517         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
518         BIO_printf(bio_err," -quiet        - No server output\n");
519         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
520 #ifndef OPENSSL_NO_PSK
521         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
522         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
523 # ifndef OPENSSL_NO_JPAKE
524         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
525 # endif
526 #endif
527 #ifndef OPENSSL_NO_SRP
528         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
529         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
530 #endif
531         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
532         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
533         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
534         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
535         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
536         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
537         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
538         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
539         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
540         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
541         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
542         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
543         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
544         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
545 #ifndef OPENSSL_NO_DH
546         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
547 #endif
548 #ifndef OPENSSL_NO_ECDH
549         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
550 #endif
551         BIO_printf(bio_err, "-no_resume_ephemeral - Disable caching and tickets if ephemeral (EC)DH is used\n");
552         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
553         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
554         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
555         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
556         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
557 #ifndef OPENSSL_NO_ENGINE
558         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
559 #endif
560         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
561         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
562 #ifndef OPENSSL_NO_TLSEXT
563         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
564         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
565         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
566         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
567         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
568         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
569         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
570         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
571         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
572 # ifndef OPENSSL_NO_NEXTPROTONEG
573         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
574 # endif
575         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
576 #endif
577         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
578         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
579         }
580
581 static int local_argc=0;
582 static char **local_argv;
583
584 #ifdef CHARSET_EBCDIC
585 static int ebcdic_new(BIO *bi);
586 static int ebcdic_free(BIO *a);
587 static int ebcdic_read(BIO *b, char *out, int outl);
588 static int ebcdic_write(BIO *b, const char *in, int inl);
589 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
590 static int ebcdic_gets(BIO *bp, char *buf, int size);
591 static int ebcdic_puts(BIO *bp, const char *str);
592
593 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
594 static BIO_METHOD methods_ebcdic=
595         {
596         BIO_TYPE_EBCDIC_FILTER,
597         "EBCDIC/ASCII filter",
598         ebcdic_write,
599         ebcdic_read,
600         ebcdic_puts,
601         ebcdic_gets,
602         ebcdic_ctrl,
603         ebcdic_new,
604         ebcdic_free,
605         };
606
607 typedef struct
608 {
609         size_t  alloced;
610         char    buff[1];
611 } EBCDIC_OUTBUFF;
612
613 BIO_METHOD *BIO_f_ebcdic_filter()
614 {
615         return(&methods_ebcdic);
616 }
617
618 static int ebcdic_new(BIO *bi)
619 {
620         EBCDIC_OUTBUFF *wbuf;
621
622         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
623         wbuf->alloced = 1024;
624         wbuf->buff[0] = '\0';
625
626         bi->ptr=(char *)wbuf;
627         bi->init=1;
628         bi->flags=0;
629         return(1);
630 }
631
632 static int ebcdic_free(BIO *a)
633 {
634         if (a == NULL) return(0);
635         if (a->ptr != NULL)
636                 OPENSSL_free(a->ptr);
637         a->ptr=NULL;
638         a->init=0;
639         a->flags=0;
640         return(1);
641 }
642         
643 static int ebcdic_read(BIO *b, char *out, int outl)
644 {
645         int ret=0;
646
647         if (out == NULL || outl == 0) return(0);
648         if (b->next_bio == NULL) return(0);
649
650         ret=BIO_read(b->next_bio,out,outl);
651         if (ret > 0)
652                 ascii2ebcdic(out,out,ret);
653         return(ret);
654 }
655
656 static int ebcdic_write(BIO *b, const char *in, int inl)
657 {
658         EBCDIC_OUTBUFF *wbuf;
659         int ret=0;
660         int num;
661         unsigned char n;
662
663         if ((in == NULL) || (inl <= 0)) return(0);
664         if (b->next_bio == NULL) return(0);
665
666         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
667
668         if (inl > (num = wbuf->alloced))
669         {
670                 num = num + num;  /* double the size */
671                 if (num < inl)
672                         num = inl;
673                 OPENSSL_free(wbuf);
674                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
675
676                 wbuf->alloced = num;
677                 wbuf->buff[0] = '\0';
678
679                 b->ptr=(char *)wbuf;
680         }
681
682         ebcdic2ascii(wbuf->buff, in, inl);
683
684         ret=BIO_write(b->next_bio, wbuf->buff, inl);
685
686         return(ret);
687 }
688
689 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
690 {
691         long ret;
692
693         if (b->next_bio == NULL) return(0);
694         switch (cmd)
695         {
696         case BIO_CTRL_DUP:
697                 ret=0L;
698                 break;
699         default:
700                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
701                 break;
702         }
703         return(ret);
704 }
705
706 static int ebcdic_gets(BIO *bp, char *buf, int size)
707 {
708         int i, ret=0;
709         if (bp->next_bio == NULL) return(0);
710 /*      return(BIO_gets(bp->next_bio,buf,size));*/
711         for (i=0; i<size-1; ++i)
712         {
713                 ret = ebcdic_read(bp,&buf[i],1);
714                 if (ret <= 0)
715                         break;
716                 else if (buf[i] == '\n')
717                 {
718                         ++i;
719                         break;
720                 }
721         }
722         if (i < size)
723                 buf[i] = '\0';
724         return (ret < 0 && i == 0) ? ret : i;
725 }
726
727 static int ebcdic_puts(BIO *bp, const char *str)
728 {
729         if (bp->next_bio == NULL) return(0);
730         return ebcdic_write(bp, str, strlen(str));
731 }
732 #endif
733
734 #ifndef OPENSSL_NO_TLSEXT
735
736 /* This is a context that we pass to callbacks */
737 typedef struct tlsextctx_st {
738    char * servername;
739    BIO * biodebug;
740    int extension_error;
741 } tlsextctx;
742
743
744 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
745         {
746         tlsextctx * p = (tlsextctx *) arg;
747         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
748         if (servername && p->biodebug) 
749                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
750         
751         if (!p->servername)
752                 return SSL_TLSEXT_ERR_NOACK;
753         
754         if (servername)
755                 {
756                 if (strcmp(servername,p->servername)) 
757                         return p->extension_error;
758                 if (ctx2)
759                         {
760                         BIO_printf(p->biodebug,"Switching server context.\n");
761                         SSL_set_SSL_CTX(s,ctx2);
762                         }     
763                 }
764         return SSL_TLSEXT_ERR_OK;
765 }
766
767 /* Structure passed to cert status callback */
768
769 typedef struct tlsextstatusctx_st {
770    /* Default responder to use */
771    char *host, *path, *port;
772    int use_ssl;
773    int timeout;
774    BIO *err;
775    int verbose;
776 } tlsextstatusctx;
777
778 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
779
780 /* Certificate Status callback. This is called when a client includes a
781  * certificate status request extension.
782  *
783  * This is a simplified version. It examines certificates each time and
784  * makes one OCSP responder query for each request.
785  *
786  * A full version would store details such as the OCSP certificate IDs and
787  * minimise the number of OCSP responses by caching them until they were
788  * considered "expired".
789  */
790
791 static int cert_status_cb(SSL *s, void *arg)
792         {
793         tlsextstatusctx *srctx = arg;
794         BIO *err = srctx->err;
795         char *host, *port, *path;
796         int use_ssl;
797         unsigned char *rspder = NULL;
798         int rspderlen;
799         STACK_OF(OPENSSL_STRING) *aia = NULL;
800         X509 *x = NULL;
801         X509_STORE_CTX inctx;
802         X509_OBJECT obj;
803         OCSP_REQUEST *req = NULL;
804         OCSP_RESPONSE *resp = NULL;
805         OCSP_CERTID *id = NULL;
806         STACK_OF(X509_EXTENSION) *exts;
807         int ret = SSL_TLSEXT_ERR_NOACK;
808         int i;
809 #if 0
810 STACK_OF(OCSP_RESPID) *ids;
811 SSL_get_tlsext_status_ids(s, &ids);
812 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
813 #endif
814         if (srctx->verbose)
815                 BIO_puts(err, "cert_status: callback called\n");
816         /* Build up OCSP query from server certificate */
817         x = SSL_get_certificate(s);
818         aia = X509_get1_ocsp(x);
819         if (aia)
820                 {
821                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
822                         &host, &port, &path, &use_ssl))
823                         {
824                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
825                         goto err;
826                         }
827                 if (srctx->verbose)
828                         BIO_printf(err, "cert_status: AIA URL: %s\n",
829                                         sk_OPENSSL_STRING_value(aia, 0));
830                 }
831         else
832                 {
833                 if (!srctx->host)
834                         {
835                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
836                         goto done;
837                         }
838                 host = srctx->host;
839                 path = srctx->path;
840                 port = srctx->port;
841                 use_ssl = srctx->use_ssl;
842                 }
843                 
844         if (!X509_STORE_CTX_init(&inctx,
845                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
846                                 NULL, NULL))
847                 goto err;
848         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
849                                 X509_get_issuer_name(x),&obj) <= 0)
850                 {
851                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
852                 X509_STORE_CTX_cleanup(&inctx);
853                 goto done;
854                 }
855         req = OCSP_REQUEST_new();
856         if (!req)
857                 goto err;
858         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
859         X509_free(obj.data.x509);
860         X509_STORE_CTX_cleanup(&inctx);
861         if (!id)
862                 goto err;
863         if (!OCSP_request_add0_id(req, id))
864                 goto err;
865         id = NULL;
866         /* Add any extensions to the request */
867         SSL_get_tlsext_status_exts(s, &exts);
868         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
869                 {
870                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
871                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
872                         goto err;
873                 }
874         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
875                                         srctx->timeout);
876         if (!resp)
877                 {
878                 BIO_puts(err, "cert_status: error querying responder\n");
879                 goto done;
880                 }
881         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
882         if (rspderlen <= 0)
883                 goto err;
884         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
885         if (srctx->verbose)
886                 {
887                 BIO_puts(err, "cert_status: ocsp response sent:\n");
888                 OCSP_RESPONSE_print(err, resp, 2);
889                 }
890         ret = SSL_TLSEXT_ERR_OK;
891         done:
892         if (ret != SSL_TLSEXT_ERR_OK)
893                 ERR_print_errors(err);
894         if (aia)
895                 {
896                 OPENSSL_free(host);
897                 OPENSSL_free(path);
898                 OPENSSL_free(port);
899                 X509_email_free(aia);
900                 }
901         if (id)
902                 OCSP_CERTID_free(id);
903         if (req)
904                 OCSP_REQUEST_free(req);
905         if (resp)
906                 OCSP_RESPONSE_free(resp);
907         return ret;
908         err:
909         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
910         goto done;
911         }
912
913 # ifndef OPENSSL_NO_NEXTPROTONEG
914 /* This is the context that we pass to next_proto_cb */
915 typedef struct tlsextnextprotoctx_st {
916         unsigned char *data;
917         unsigned int len;
918 } tlsextnextprotoctx;
919
920 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
921         {
922         tlsextnextprotoctx *next_proto = arg;
923
924         *data = next_proto->data;
925         *len = next_proto->len;
926
927         return SSL_TLSEXT_ERR_OK;
928         }
929 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
930 #endif
931
932 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
933         {
934         /* disable resumption for sessions with forward secure ciphers */
935         return is_forward_secure;
936         }
937
938 int MAIN(int, char **);
939
940 #ifndef OPENSSL_NO_JPAKE
941 static char *jpake_secret = NULL;
942 #endif
943 #ifndef OPENSSL_NO_SRP
944         static srpsrvparm srp_callback_parm;
945 #endif
946 static char *srtp_profiles = NULL;
947
948 int MAIN(int argc, char *argv[])
949         {
950         X509_VERIFY_PARAM *vpm = NULL;
951         int badarg = 0;
952         short port=PORT;
953         char *CApath=NULL,*CAfile=NULL;
954         unsigned char *context = NULL;
955         char *dhfile = NULL;
956 #ifndef OPENSSL_NO_ECDH
957         char *named_curve = NULL;
958 #endif
959         int badop=0,bugs=0;
960         int ret=1;
961         int off=0;
962         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
963         int state=0;
964         const SSL_METHOD *meth=NULL;
965         int socket_type=SOCK_STREAM;
966         ENGINE *e=NULL;
967         char *inrand=NULL;
968         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
969         char *passarg = NULL, *pass = NULL;
970         char *dpassarg = NULL, *dpass = NULL;
971         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
972         X509 *s_cert = NULL, *s_dcert = NULL;
973         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
974         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
975         int no_cache = 0, ext_cache = 0;
976 #ifndef OPENSSL_NO_TLSEXT
977         EVP_PKEY *s_key2 = NULL;
978         X509 *s_cert2 = NULL;
979         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
980 # ifndef OPENSSL_NO_NEXTPROTONEG
981         const char *next_proto_neg_in = NULL;
982         tlsextnextprotoctx next_proto;
983 # endif
984 #endif
985 #ifndef OPENSSL_NO_PSK
986         /* by default do not send a PSK identity hint */
987         static char *psk_identity_hint=NULL;
988 #endif
989 #ifndef OPENSSL_NO_SRP
990         char *srpuserseed = NULL;
991         char *srp_verifier_file = NULL;
992 #endif
993         meth=SSLv23_server_method();
994
995         local_argc=argc;
996         local_argv=argv;
997
998         apps_startup();
999 #ifdef MONOLITH
1000         s_server_init();
1001 #endif
1002
1003         if (bio_err == NULL)
1004                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1005
1006         if (!load_config(bio_err, NULL))
1007                 goto end;
1008
1009         verify_depth=0;
1010 #ifdef FIONBIO
1011         s_nbio=0;
1012 #endif
1013         s_nbio_test=0;
1014
1015         argc--;
1016         argv++;
1017
1018         while (argc >= 1)
1019                 {
1020                 if      ((strcmp(*argv,"-port") == 0) ||
1021                          (strcmp(*argv,"-accept") == 0))
1022                         {
1023                         if (--argc < 1) goto bad;
1024                         if (!extract_port(*(++argv),&port))
1025                                 goto bad;
1026                         }
1027                 else if (strcmp(*argv,"-verify") == 0)
1028                         {
1029                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1030                         if (--argc < 1) goto bad;
1031                         verify_depth=atoi(*(++argv));
1032                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1033                         }
1034                 else if (strcmp(*argv,"-Verify") == 0)
1035                         {
1036                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1037                                 SSL_VERIFY_CLIENT_ONCE;
1038                         if (--argc < 1) goto bad;
1039                         verify_depth=atoi(*(++argv));
1040                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1041                         }
1042                 else if (strcmp(*argv,"-context") == 0)
1043                         {
1044                         if (--argc < 1) goto bad;
1045                         context= (unsigned char *)*(++argv);
1046                         }
1047                 else if (strcmp(*argv,"-cert") == 0)
1048                         {
1049                         if (--argc < 1) goto bad;
1050                         s_cert_file= *(++argv);
1051                         }
1052 #ifndef OPENSSL_NO_TLSEXT
1053                 else if (strcmp(*argv,"-authz") == 0)
1054                         {
1055                         if (--argc < 1) goto bad;
1056                         s_authz_file = *(++argv);
1057                         }
1058 #endif
1059                 else if (strcmp(*argv,"-certform") == 0)
1060                         {
1061                         if (--argc < 1) goto bad;
1062                         s_cert_format = str2fmt(*(++argv));
1063                         }
1064                 else if (strcmp(*argv,"-key") == 0)
1065                         {
1066                         if (--argc < 1) goto bad;
1067                         s_key_file= *(++argv);
1068                         }
1069                 else if (strcmp(*argv,"-keyform") == 0)
1070                         {
1071                         if (--argc < 1) goto bad;
1072                         s_key_format = str2fmt(*(++argv));
1073                         }
1074                 else if (strcmp(*argv,"-pass") == 0)
1075                         {
1076                         if (--argc < 1) goto bad;
1077                         passarg = *(++argv);
1078                         }
1079                 else if (strcmp(*argv,"-cert_chain") == 0)
1080                         {
1081                         if (--argc < 1) goto bad;
1082                         s_chain_file= *(++argv);
1083                         }
1084                 else if (strcmp(*argv,"-dhparam") == 0)
1085                         {
1086                         if (--argc < 1) goto bad;
1087                         dhfile = *(++argv);
1088                         }
1089 #ifndef OPENSSL_NO_ECDH         
1090                 else if (strcmp(*argv,"-named_curve") == 0)
1091                         {
1092                         if (--argc < 1) goto bad;
1093                         named_curve = *(++argv);
1094                         }
1095 #endif
1096                 else if (strcmp(*argv,"-dcertform") == 0)
1097                         {
1098                         if (--argc < 1) goto bad;
1099                         s_dcert_format = str2fmt(*(++argv));
1100                         }
1101                 else if (strcmp(*argv,"-dcert") == 0)
1102                         {
1103                         if (--argc < 1) goto bad;
1104                         s_dcert_file= *(++argv);
1105                         }
1106                 else if (strcmp(*argv,"-dkeyform") == 0)
1107                         {
1108                         if (--argc < 1) goto bad;
1109                         s_dkey_format = str2fmt(*(++argv));
1110                         }
1111                 else if (strcmp(*argv,"-dpass") == 0)
1112                         {
1113                         if (--argc < 1) goto bad;
1114                         dpassarg = *(++argv);
1115                         }
1116                 else if (strcmp(*argv,"-dkey") == 0)
1117                         {
1118                         if (--argc < 1) goto bad;
1119                         s_dkey_file= *(++argv);
1120                         }
1121                 else if (strcmp(*argv,"-dcert_chain") == 0)
1122                         {
1123                         if (--argc < 1) goto bad;
1124                         s_dchain_file= *(++argv);
1125                         }
1126                 else if (strcmp(*argv,"-nocert") == 0)
1127                         {
1128                         nocert=1;
1129                         }
1130                 else if (strcmp(*argv,"-CApath") == 0)
1131                         {
1132                         if (--argc < 1) goto bad;
1133                         CApath= *(++argv);
1134                         }
1135                 else if (strcmp(*argv,"-no_cache") == 0)
1136                         no_cache = 1;
1137                 else if (strcmp(*argv,"-ext_cache") == 0)
1138                         ext_cache = 1;
1139                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1140                         {
1141                         if (badarg)
1142                                 goto bad;
1143                         continue;
1144                         }
1145                 else if (strcmp(*argv,"-verify_return_error") == 0)
1146                         verify_return_error = 1;
1147                 else if (strcmp(*argv,"-serverpref") == 0)
1148                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1149                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1150                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1151                 else if (strcmp(*argv,"-cipher") == 0)
1152                         {
1153                         if (--argc < 1) goto bad;
1154                         cipher= *(++argv);
1155                         }
1156                 else if (strcmp(*argv,"-CAfile") == 0)
1157                         {
1158                         if (--argc < 1) goto bad;
1159                         CAfile= *(++argv);
1160                         }
1161 #ifdef FIONBIO  
1162                 else if (strcmp(*argv,"-nbio") == 0)
1163                         { s_nbio=1; }
1164 #endif
1165                 else if (strcmp(*argv,"-nbio_test") == 0)
1166                         {
1167 #ifdef FIONBIO  
1168                         s_nbio=1;
1169 #endif
1170                         s_nbio_test=1;
1171                         }
1172                 else if (strcmp(*argv,"-debug") == 0)
1173                         { s_debug=1; }
1174 #ifndef OPENSSL_NO_TLSEXT
1175                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1176                         s_tlsextdebug=1;
1177                 else if (strcmp(*argv,"-status") == 0)
1178                         s_tlsextstatus=1;
1179                 else if (strcmp(*argv,"-status_verbose") == 0)
1180                         {
1181                         s_tlsextstatus=1;
1182                         tlscstatp.verbose = 1;
1183                         }
1184                 else if (!strcmp(*argv, "-status_timeout"))
1185                         {
1186                         s_tlsextstatus=1;
1187                         if (--argc < 1) goto bad;
1188                         tlscstatp.timeout = atoi(*(++argv));
1189                         }
1190                 else if (!strcmp(*argv, "-status_url"))
1191                         {
1192                         s_tlsextstatus=1;
1193                         if (--argc < 1) goto bad;
1194                         if (!OCSP_parse_url(*(++argv),
1195                                         &tlscstatp.host,
1196                                         &tlscstatp.port,
1197                                         &tlscstatp.path,
1198                                         &tlscstatp.use_ssl))
1199                                 {
1200                                 BIO_printf(bio_err, "Error parsing URL\n");
1201                                 goto bad;
1202                                 }
1203                         }
1204                 else if (strcmp(*argv,"-curves") == 0)
1205                         {
1206                         if (--argc < 1) goto bad;
1207                         curves= *(++argv);
1208                         }
1209                 else if (strcmp(*argv,"-sigalgs") == 0)
1210                         {
1211                         if (--argc < 1) goto bad;
1212                         sigalgs= *(++argv);
1213                         }
1214 #endif
1215                 else if (strcmp(*argv,"-msg") == 0)
1216                         { s_msg=1; }
1217                 else if (strcmp(*argv,"-msgfile") == 0)
1218                         {
1219                         if (--argc < 1) goto bad;
1220                         bio_s_msg = BIO_new_file(*(++argv), "w");
1221                         }
1222 #ifndef OPENSSL_NO_SSL_TRACE
1223                 else if (strcmp(*argv,"-trace") == 0)
1224                         { s_msg=2; }
1225 #endif
1226                 else if (strcmp(*argv,"-hack") == 0)
1227                         { hack=1; }
1228                 else if (strcmp(*argv,"-state") == 0)
1229                         { state=1; }
1230                 else if (strcmp(*argv,"-crlf") == 0)
1231                         { s_crlf=1; }
1232                 else if (strcmp(*argv,"-quiet") == 0)
1233                         { s_quiet=1; }
1234                 else if (strcmp(*argv,"-bugs") == 0)
1235                         { bugs=1; }
1236                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1237                         { no_tmp_rsa=1; }
1238                 else if (strcmp(*argv,"-no_dhe") == 0)
1239                         { no_dhe=1; }
1240                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1241                         { no_ecdhe=1; }
1242                 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1243                         { no_resume_ephemeral = 1; }
1244 #ifndef OPENSSL_NO_PSK
1245                 else if (strcmp(*argv,"-psk_hint") == 0)
1246                         {
1247                         if (--argc < 1) goto bad;
1248                         psk_identity_hint= *(++argv);
1249                         }
1250                 else if (strcmp(*argv,"-psk") == 0)
1251                         {
1252                         size_t i;
1253
1254                         if (--argc < 1) goto bad;
1255                         psk_key=*(++argv);
1256                         for (i=0; i<strlen(psk_key); i++)
1257                                 {
1258                                 if (isxdigit((unsigned char)psk_key[i]))
1259                                         continue;
1260                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1261                                 goto bad;
1262                                 }
1263                         }
1264 #endif
1265 #ifndef OPENSSL_NO_SRP
1266                 else if (strcmp(*argv, "-srpvfile") == 0)
1267                         {
1268                         if (--argc < 1) goto bad;
1269                         srp_verifier_file = *(++argv);
1270                         meth = TLSv1_server_method();
1271                         }
1272                 else if (strcmp(*argv, "-srpuserseed") == 0)
1273                         {
1274                         if (--argc < 1) goto bad;
1275                         srpuserseed = *(++argv);
1276                         meth = TLSv1_server_method();
1277                         }
1278 #endif
1279                 else if (strcmp(*argv,"-www") == 0)
1280                         { www=1; }
1281                 else if (strcmp(*argv,"-WWW") == 0)
1282                         { www=2; }
1283                 else if (strcmp(*argv,"-HTTP") == 0)
1284                         { www=3; }
1285                 else if (strcmp(*argv,"-no_ssl2") == 0)
1286                         { off|=SSL_OP_NO_SSLv2; }
1287                 else if (strcmp(*argv,"-no_ssl3") == 0)
1288                         { off|=SSL_OP_NO_SSLv3; }
1289                 else if (strcmp(*argv,"-no_tls1") == 0)
1290                         { off|=SSL_OP_NO_TLSv1; }
1291                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1292                         { off|=SSL_OP_NO_TLSv1_1; }
1293                 else if (strcmp(*argv,"-no_tls1_2") == 0)
1294                         { off|=SSL_OP_NO_TLSv1_2; }
1295                 else if (strcmp(*argv,"-no_comp") == 0)
1296                         { off|=SSL_OP_NO_COMPRESSION; }
1297 #ifndef OPENSSL_NO_TLSEXT
1298                 else if (strcmp(*argv,"-no_ticket") == 0)
1299                         { off|=SSL_OP_NO_TICKET; }
1300 #endif
1301 #ifndef OPENSSL_NO_SSL2
1302                 else if (strcmp(*argv,"-ssl2") == 0)
1303                         { meth=SSLv2_server_method(); }
1304 #endif
1305 #ifndef OPENSSL_NO_SSL3
1306                 else if (strcmp(*argv,"-ssl3") == 0)
1307                         { meth=SSLv3_server_method(); }
1308 #endif
1309 #ifndef OPENSSL_NO_TLS1
1310                 else if (strcmp(*argv,"-tls1") == 0)
1311                         { meth=TLSv1_server_method(); }
1312                 else if (strcmp(*argv,"-tls1_1") == 0)
1313                         { meth=TLSv1_1_server_method(); }
1314                 else if (strcmp(*argv,"-tls1_2") == 0)
1315                         { meth=TLSv1_2_server_method(); }
1316 #endif
1317 #ifndef OPENSSL_NO_DTLS1
1318                 else if (strcmp(*argv,"-dtls1") == 0)
1319                         { 
1320                         meth=DTLSv1_server_method();
1321                         socket_type = SOCK_DGRAM;
1322                         }
1323                 else if (strcmp(*argv,"-timeout") == 0)
1324                         enable_timeouts = 1;
1325                 else if (strcmp(*argv,"-mtu") == 0)
1326                         {
1327                         if (--argc < 1) goto bad;
1328                         socket_mtu = atol(*(++argv));
1329                         }
1330                 else if (strcmp(*argv, "-chain") == 0)
1331                         cert_chain = 1;
1332 #endif
1333                 else if (strcmp(*argv, "-id_prefix") == 0)
1334                         {
1335                         if (--argc < 1) goto bad;
1336                         session_id_prefix = *(++argv);
1337                         }
1338 #ifndef OPENSSL_NO_ENGINE
1339                 else if (strcmp(*argv,"-engine") == 0)
1340                         {
1341                         if (--argc < 1) goto bad;
1342                         engine_id= *(++argv);
1343                         }
1344 #endif
1345                 else if (strcmp(*argv,"-rand") == 0)
1346                         {
1347                         if (--argc < 1) goto bad;
1348                         inrand= *(++argv);
1349                         }
1350 #ifndef OPENSSL_NO_TLSEXT
1351                 else if (strcmp(*argv,"-servername") == 0)
1352                         {
1353                         if (--argc < 1) goto bad;
1354                         tlsextcbp.servername= *(++argv);
1355                         }
1356                 else if (strcmp(*argv,"-servername_fatal") == 0)
1357                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1358                 else if (strcmp(*argv,"-cert2") == 0)
1359                         {
1360                         if (--argc < 1) goto bad;
1361                         s_cert_file2= *(++argv);
1362                         }
1363                 else if (strcmp(*argv,"-key2") == 0)
1364                         {
1365                         if (--argc < 1) goto bad;
1366                         s_key_file2= *(++argv);
1367                         }
1368 # ifndef OPENSSL_NO_NEXTPROTONEG
1369                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1370                         {
1371                         if (--argc < 1) goto bad;
1372                         next_proto_neg_in = *(++argv);
1373                         }
1374 # endif
1375 #endif
1376 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1377                 else if (strcmp(*argv,"-jpake") == 0)
1378                         {
1379                         if (--argc < 1) goto bad;
1380                         jpake_secret = *(++argv);
1381                         }
1382 #endif
1383                 else if (strcmp(*argv,"-use_srtp") == 0)
1384                         {
1385                         if (--argc < 1) goto bad;
1386                         srtp_profiles = *(++argv);
1387                         }
1388                 else if (strcmp(*argv,"-keymatexport") == 0)
1389                         {
1390                         if (--argc < 1) goto bad;
1391                         keymatexportlabel= *(++argv);
1392                         }
1393                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1394                         {
1395                         if (--argc < 1) goto bad;
1396                         keymatexportlen=atoi(*(++argv));
1397                         if (keymatexportlen == 0) goto bad;
1398                         }
1399                 else
1400                         {
1401                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1402                         badop=1;
1403                         break;
1404                         }
1405                 argc--;
1406                 argv++;
1407                 }
1408         if (badop)
1409                 {
1410 bad:
1411                 sv_usage();
1412                 goto end;
1413                 }
1414
1415 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1416         if (jpake_secret)
1417                 {
1418                 if (psk_key)
1419                         {
1420                         BIO_printf(bio_err,
1421                                    "Can't use JPAKE and PSK together\n");
1422                         goto end;
1423                         }
1424                 psk_identity = "JPAKE";
1425                 if (cipher)
1426                         {
1427                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1428                         goto end;
1429                         }
1430                 cipher = "PSK";
1431                 }
1432
1433 #endif
1434
1435         SSL_load_error_strings();
1436         OpenSSL_add_ssl_algorithms();
1437
1438 #ifndef OPENSSL_NO_ENGINE
1439         e = setup_engine(bio_err, engine_id, 1);
1440 #endif
1441
1442         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1443                 {
1444                 BIO_printf(bio_err, "Error getting password\n");
1445                 goto end;
1446                 }
1447
1448
1449         if (s_key_file == NULL)
1450                 s_key_file = s_cert_file;
1451 #ifndef OPENSSL_NO_TLSEXT
1452         if (s_key_file2 == NULL)
1453                 s_key_file2 = s_cert_file2;
1454 #endif
1455
1456         if (nocert == 0)
1457                 {
1458                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1459                        "server certificate private key file");
1460                 if (!s_key)
1461                         {
1462                         ERR_print_errors(bio_err);
1463                         goto end;
1464                         }
1465
1466                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1467                         NULL, e, "server certificate file");
1468
1469                 if (!s_cert)
1470                         {
1471                         ERR_print_errors(bio_err);
1472                         goto end;
1473                         }
1474                 if (s_chain_file)
1475                         {
1476                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1477                                         NULL, e, "server certificate chain");
1478                         if (!s_chain)
1479                                 goto end;
1480                         }
1481
1482 #ifndef OPENSSL_NO_TLSEXT
1483                 if (tlsextcbp.servername) 
1484                         {
1485                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1486                                 "second server certificate private key file");
1487                         if (!s_key2)
1488                                 {
1489                                 ERR_print_errors(bio_err);
1490                                 goto end;
1491                                 }
1492                         
1493                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1494                                 NULL, e, "second server certificate file");
1495                         
1496                         if (!s_cert2)
1497                                 {
1498                                 ERR_print_errors(bio_err);
1499                                 goto end;
1500                                 }
1501                         }
1502
1503 # ifndef OPENSSL_NO_NEXTPROTONEG
1504                 if (next_proto_neg_in)
1505                         {
1506                         unsigned short len;
1507                         next_proto.data = next_protos_parse(&len,
1508                                 next_proto_neg_in);
1509                         if (next_proto.data == NULL)
1510                                 goto end;
1511                         next_proto.len = len;
1512                         }
1513                 else
1514                         {
1515                         next_proto.data = NULL;
1516                         }
1517 # endif
1518 #endif /* OPENSSL_NO_TLSEXT */
1519                 }
1520
1521
1522         if (s_dcert_file)
1523                 {
1524
1525                 if (s_dkey_file == NULL)
1526                         s_dkey_file = s_dcert_file;
1527
1528                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1529                                 0, dpass, e,
1530                                "second certificate private key file");
1531                 if (!s_dkey)
1532                         {
1533                         ERR_print_errors(bio_err);
1534                         goto end;
1535                         }
1536
1537                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1538                                 NULL, e, "second server certificate file");
1539
1540                 if (!s_dcert)
1541                         {
1542                         ERR_print_errors(bio_err);
1543                         goto end;
1544                         }
1545                 if (s_dchain_file)
1546                         {
1547                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1548                                 NULL, e, "second server certificate chain");
1549                         if (!s_dchain)
1550                                 goto end;
1551                         }
1552
1553                 }
1554
1555         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1556                 && !RAND_status())
1557                 {
1558                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1559                 }
1560         if (inrand != NULL)
1561                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1562                         app_RAND_load_files(inrand));
1563
1564         if (bio_s_out == NULL)
1565                 {
1566                 if (s_quiet && !s_debug && !s_msg)
1567                         {
1568                         bio_s_out=BIO_new(BIO_s_null());
1569                         }
1570                 else
1571                         {
1572                         if (bio_s_out == NULL)
1573                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1574                         }
1575                 }
1576
1577 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1578         if (nocert)
1579 #endif
1580                 {
1581                 s_cert_file=NULL;
1582                 s_key_file=NULL;
1583                 s_dcert_file=NULL;
1584                 s_dkey_file=NULL;
1585 #ifndef OPENSSL_NO_TLSEXT
1586                 s_cert_file2=NULL;
1587                 s_key_file2=NULL;
1588 #endif
1589                 }
1590
1591         ctx=SSL_CTX_new(meth);
1592         if (ctx == NULL)
1593                 {
1594                 ERR_print_errors(bio_err);
1595                 goto end;
1596                 }
1597         if (session_id_prefix)
1598                 {
1599                 if(strlen(session_id_prefix) >= 32)
1600                         BIO_printf(bio_err,
1601 "warning: id_prefix is too long, only one new session will be possible\n");
1602                 else if(strlen(session_id_prefix) >= 16)
1603                         BIO_printf(bio_err,
1604 "warning: id_prefix is too long if you use SSLv2\n");
1605                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1606                         {
1607                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1608                         ERR_print_errors(bio_err);
1609                         goto end;
1610                         }
1611                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1612                 }
1613         SSL_CTX_set_quiet_shutdown(ctx,1);
1614         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1615         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1616         SSL_CTX_set_options(ctx,off);
1617         /* DTLS: partial reads end up discarding unread UDP bytes :-( 
1618          * Setting read ahead solves this problem.
1619          */
1620         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1621
1622         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1623         if (no_cache)
1624                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1625         else if (ext_cache)
1626                 init_session_cache_ctx(ctx);
1627         else
1628                 SSL_CTX_sess_set_cache_size(ctx,128);
1629
1630         if (srtp_profiles != NULL)
1631                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1632
1633 #if 0
1634         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1635 #endif
1636
1637 #if 0
1638         if (s_cert_file == NULL)
1639                 {
1640                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1641                 goto end;
1642                 }
1643 #endif
1644
1645         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1646                 (!SSL_CTX_set_default_verify_paths(ctx)))
1647                 {
1648                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1649                 ERR_print_errors(bio_err);
1650                 /* goto end; */
1651                 }
1652         if (vpm)
1653                 SSL_CTX_set1_param(ctx, vpm);
1654
1655 #ifndef OPENSSL_NO_TLSEXT
1656         if (s_cert2)
1657                 {
1658                 ctx2=SSL_CTX_new(meth);
1659                 if (ctx2 == NULL)
1660                         {
1661                         ERR_print_errors(bio_err);
1662                         goto end;
1663                         }
1664                 }
1665         
1666         if (ctx2)
1667                 {
1668                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1669
1670                 if (session_id_prefix)
1671                         {
1672                         if(strlen(session_id_prefix) >= 32)
1673                                 BIO_printf(bio_err,
1674                                         "warning: id_prefix is too long, only one new session will be possible\n");
1675                         else if(strlen(session_id_prefix) >= 16)
1676                                 BIO_printf(bio_err,
1677                                         "warning: id_prefix is too long if you use SSLv2\n");
1678                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1679                                 {
1680                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1681                                 ERR_print_errors(bio_err);
1682                                 goto end;
1683                                 }
1684                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1685                         }
1686                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1687                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1688                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1689                 SSL_CTX_set_options(ctx2,off);
1690                 /* DTLS: partial reads end up discarding unread UDP bytes :-( 
1691                  * Setting read ahead solves this problem.
1692                  */
1693                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1694
1695                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1696
1697                 if (no_cache)
1698                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1699                 else if (ext_cache)
1700                         init_session_cache_ctx(ctx2);
1701                 else
1702                         SSL_CTX_sess_set_cache_size(ctx2,128);
1703
1704                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1705                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1706                         {
1707                         ERR_print_errors(bio_err);
1708                         }
1709                 if (vpm)
1710                         SSL_CTX_set1_param(ctx2, vpm);
1711                 }
1712
1713 # ifndef OPENSSL_NO_NEXTPROTONEG
1714         if (next_proto.data)
1715                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1716 # endif
1717 #endif 
1718
1719 #ifndef OPENSSL_NO_DH
1720         if (!no_dhe)
1721                 {
1722                 DH *dh=NULL;
1723
1724                 if (dhfile)
1725                         dh = load_dh_param(dhfile);
1726                 else if (s_cert_file)
1727                         dh = load_dh_param(s_cert_file);
1728
1729                 if (dh != NULL)
1730                         {
1731                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1732                         }
1733                 else
1734                         {
1735                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1736                         dh=get_dh512();
1737                         }
1738                 (void)BIO_flush(bio_s_out);
1739
1740                 SSL_CTX_set_tmp_dh(ctx,dh);
1741 #ifndef OPENSSL_NO_TLSEXT
1742                 if (ctx2)
1743                         {
1744                         if (!dhfile)
1745                                 { 
1746                                 DH *dh2=load_dh_param(s_cert_file2);
1747                                 if (dh2 != NULL)
1748                                         {
1749                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1750                                         (void)BIO_flush(bio_s_out);
1751
1752                                         DH_free(dh);
1753                                         dh = dh2;
1754                                         }
1755                                 }
1756                         SSL_CTX_set_tmp_dh(ctx2,dh);
1757                         }
1758 #endif
1759                 DH_free(dh);
1760                 }
1761 #endif
1762
1763 #ifndef OPENSSL_NO_ECDH
1764         if (!no_ecdhe)
1765                 {
1766                 EC_KEY *ecdh=NULL;
1767
1768                 if (named_curve && strcmp(named_curve, "auto"))
1769                         {
1770                         int nid = EC_curve_nist2nid(named_curve);
1771                         if (nid == NID_undef)
1772                                 nid = OBJ_sn2nid(named_curve);
1773                         if (nid == 0)
1774                                 {
1775                                 BIO_printf(bio_err, "unknown curve name (%s)\n", 
1776                                         named_curve);
1777                                 goto end;
1778                                 }
1779                         ecdh = EC_KEY_new_by_curve_name(nid);
1780                         if (ecdh == NULL)
1781                                 {
1782                                 BIO_printf(bio_err, "unable to create curve (%s)\n", 
1783                                         named_curve);
1784                                 goto end;
1785                                 }
1786                         }
1787
1788                 if (ecdh != NULL)
1789                         {
1790                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1791                         }
1792                 else if (named_curve)
1793                         SSL_CTX_set_ecdh_auto(ctx, 1);
1794                 else
1795                         {
1796                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1797                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1798                         if (ecdh == NULL) 
1799                                 {
1800                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1801                                 goto end;
1802                                 }
1803                         }
1804                 (void)BIO_flush(bio_s_out);
1805
1806                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1807 #ifndef OPENSSL_NO_TLSEXT
1808                 if (ctx2) 
1809                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1810 #endif
1811                 EC_KEY_free(ecdh);
1812                 }
1813 #endif
1814         
1815         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain))
1816                 goto end;
1817 #ifndef OPENSSL_NO_TLSEXT
1818         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1819                 goto end;
1820 #endif
1821 #ifndef OPENSSL_NO_TLSEXT
1822         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL))
1823                 goto end; 
1824 #endif
1825         if (s_dcert != NULL)
1826                 {
1827                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain))
1828                         goto end;
1829                 }
1830
1831 #ifndef OPENSSL_NO_RSA
1832 #if 1
1833         if (!no_tmp_rsa)
1834                 {
1835                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1836 #ifndef OPENSSL_NO_TLSEXT
1837                 if (ctx2) 
1838                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1839 #endif          
1840                 }
1841 #else
1842         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1843                 {
1844                 RSA *rsa;
1845
1846                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1847                 BIO_flush(bio_s_out);
1848
1849                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1850
1851                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1852                         {
1853                         ERR_print_errors(bio_err);
1854                         goto end;
1855                         }
1856 #ifndef OPENSSL_NO_TLSEXT
1857                         if (ctx2)
1858                                 {
1859                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1860                                         {
1861                                         ERR_print_errors(bio_err);
1862                                         goto end;
1863                                         }
1864                                 }
1865 #endif
1866                 RSA_free(rsa);
1867                 BIO_printf(bio_s_out,"\n");
1868                 }
1869 #endif
1870 #endif
1871
1872         if (no_resume_ephemeral)
1873                 {
1874                 SSL_CTX_set_not_resumable_session_callback(ctx, not_resumable_sess_cb);
1875 #ifndef OPENSSL_NO_TLSEXT
1876                 if (ctx2)
1877                         SSL_CTX_set_not_resumable_session_callback(ctx2, not_resumable_sess_cb);
1878 #endif
1879                 }
1880
1881 #ifndef OPENSSL_NO_PSK
1882 #ifdef OPENSSL_NO_JPAKE
1883         if (psk_key != NULL)
1884 #else
1885         if (psk_key != NULL || jpake_secret)
1886 #endif
1887                 {
1888                 if (s_debug)
1889                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1890                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1891                 }
1892
1893         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1894                 {
1895                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1896                 ERR_print_errors(bio_err);
1897                 goto end;
1898                 }
1899 #endif
1900
1901         if (cipher != NULL)
1902                 {
1903                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1904                         {
1905                         BIO_printf(bio_err,"error setting cipher list\n");
1906                         ERR_print_errors(bio_err);
1907                         goto end;
1908                         }
1909 #ifndef OPENSSL_NO_TLSEXT
1910                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1911                         {
1912                         BIO_printf(bio_err,"error setting cipher list\n");
1913                         ERR_print_errors(bio_err);
1914                         goto end;
1915                         }
1916 #endif
1917                 }
1918 #ifndef OPENSSL_NO_TLSEXT
1919         if (curves)
1920                 {
1921                 if(!SSL_CTX_set1_curves_list(ctx,curves))
1922                         {
1923                         BIO_printf(bio_err,"error setting curves list\n");
1924                         ERR_print_errors(bio_err);
1925                         goto end;
1926                         }
1927                 if(ctx2 && !SSL_CTX_set1_curves_list(ctx2,curves))
1928                         {
1929                         BIO_printf(bio_err,"error setting curves list\n");
1930                         ERR_print_errors(bio_err);
1931                         goto end;
1932                         }
1933                 }
1934         if (sigalgs)
1935                 {
1936                 if(!SSL_CTX_set1_sigalgs_list(ctx,sigalgs))
1937                         {
1938                         BIO_printf(bio_err,"error setting signature algorithms\n");
1939                         ERR_print_errors(bio_err);
1940                         goto end;
1941                         }
1942                 if(ctx2 && !SSL_CTX_set1_sigalgs_list(ctx2,sigalgs))
1943                         {
1944                         BIO_printf(bio_err,"error setting signature algorithms\n");
1945                         ERR_print_errors(bio_err);
1946                         goto end;
1947                         }
1948                 }
1949 #endif
1950         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1951         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1952                 sizeof s_server_session_id_context);
1953
1954         /* Set DTLS cookie generation and verification callbacks */
1955         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1956         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1957
1958 #ifndef OPENSSL_NO_TLSEXT
1959         if (ctx2)
1960                 {
1961                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1962                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1963                         sizeof s_server_session_id_context);
1964
1965                 tlsextcbp.biodebug = bio_s_out;
1966                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1967                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1968                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1969                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1970                 }
1971 #endif
1972
1973 #ifndef OPENSSL_NO_SRP
1974         if (srp_verifier_file != NULL)
1975                 {
1976                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1977                 srp_callback_parm.user = NULL;
1978                 srp_callback_parm.login = NULL;
1979                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1980                         {
1981                         BIO_printf(bio_err,
1982                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1983                                    srp_verifier_file, ret);
1984                                 goto end;
1985                         }
1986                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1987                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);                        
1988                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1989                 }
1990         else
1991 #endif
1992         if (CAfile != NULL)
1993                 {
1994                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1995 #ifndef OPENSSL_NO_TLSEXT
1996                 if (ctx2) 
1997                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1998 #endif
1999                 }
2000
2001         BIO_printf(bio_s_out,"ACCEPT\n");
2002         (void)BIO_flush(bio_s_out);
2003         if (www)
2004                 do_server(port,socket_type,&accept_socket,www_body, context);
2005         else
2006                 do_server(port,socket_type,&accept_socket,sv_body, context);
2007         print_stats(bio_s_out,ctx);
2008         ret=0;
2009 end:
2010         if (ctx != NULL) SSL_CTX_free(ctx);
2011         if (s_cert)
2012                 X509_free(s_cert);
2013         if (s_dcert)
2014                 X509_free(s_dcert);
2015         if (s_key)
2016                 EVP_PKEY_free(s_key);
2017         if (s_dkey)
2018                 EVP_PKEY_free(s_dkey);
2019         if (pass)
2020                 OPENSSL_free(pass);
2021         if (dpass)
2022                 OPENSSL_free(dpass);
2023         free_sessions();
2024 #ifndef OPENSSL_NO_TLSEXT
2025         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2026         if (s_cert2)
2027                 X509_free(s_cert2);
2028         if (s_key2)
2029                 EVP_PKEY_free(s_key2);
2030         if (authz_in != NULL)
2031                 BIO_free(authz_in);
2032 #endif
2033         if (bio_s_out != NULL)
2034                 {
2035         BIO_free(bio_s_out);
2036                 bio_s_out=NULL;
2037                 }
2038         if (bio_s_msg != NULL)
2039                 {
2040                 BIO_free(bio_s_msg);
2041                 bio_s_msg = NULL;
2042                 }
2043         apps_shutdown();
2044         OPENSSL_EXIT(ret);
2045         }
2046
2047 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2048         {
2049         BIO_printf(bio,"%4ld items in the session cache\n",
2050                 SSL_CTX_sess_number(ssl_ctx));
2051         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2052                 SSL_CTX_sess_connect(ssl_ctx));
2053         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2054                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2055         BIO_printf(bio,"%4ld client connects that finished\n",
2056                 SSL_CTX_sess_connect_good(ssl_ctx));
2057         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2058                 SSL_CTX_sess_accept(ssl_ctx));
2059         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2060                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2061         BIO_printf(bio,"%4ld server accepts that finished\n",
2062                 SSL_CTX_sess_accept_good(ssl_ctx));
2063         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2064         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2065         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2066         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2067         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2068                 SSL_CTX_sess_cache_full(ssl_ctx),
2069                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2070         }
2071
2072 static int sv_body(char *hostname, int s, unsigned char *context)
2073         {
2074         char *buf=NULL;
2075         fd_set readfds;
2076         int ret=1,width;
2077         int k,i;
2078         unsigned long l;
2079         SSL *con=NULL;
2080         BIO *sbio;
2081 #ifndef OPENSSL_NO_KRB5
2082         KSSL_CTX *kctx;
2083 #endif
2084         struct timeval timeout;
2085 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2086         struct timeval tv;
2087 #else
2088         struct timeval *timeoutp;
2089 #endif
2090
2091         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2092                 {
2093                 BIO_printf(bio_err,"out of memory\n");
2094                 goto err;
2095                 }
2096 #ifdef FIONBIO  
2097         if (s_nbio)
2098                 {
2099                 unsigned long sl=1;
2100
2101                 if (!s_quiet)
2102                         BIO_printf(bio_err,"turning on non blocking io\n");
2103                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2104                         ERR_print_errors(bio_err);
2105                 }
2106 #endif
2107
2108         if (con == NULL) {
2109                 con=SSL_new(ctx);
2110 #ifndef OPENSSL_NO_TLSEXT
2111         if (s_tlsextdebug)
2112                 {
2113                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2114                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2115                 }
2116         if (s_tlsextstatus)
2117                 {
2118                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2119                 tlscstatp.err = bio_err;
2120                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2121                 }
2122 #endif
2123 #ifndef OPENSSL_NO_KRB5
2124                 if ((kctx = kssl_ctx_new()) != NULL)
2125                         {
2126                         SSL_set0_kssl_ctx(con, kctx);
2127                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2128                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2129                         }
2130 #endif  /* OPENSSL_NO_KRB5 */
2131                 if(context)
2132                       SSL_set_session_id_context(con, context,
2133                                                  strlen((char *)context));
2134         }
2135         SSL_clear(con);
2136 #if 0
2137 #ifdef TLSEXT_TYPE_opaque_prf_input
2138         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2139 #endif
2140 #endif
2141
2142         if (SSL_version(con) == DTLS1_VERSION)
2143                 {
2144
2145                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2146
2147                 if (enable_timeouts)
2148                         {
2149                         timeout.tv_sec = 0;
2150                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2151                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2152                         
2153                         timeout.tv_sec = 0;
2154                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2155                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2156                         }
2157
2158                 if (socket_mtu > 28)
2159                         {
2160                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2161                         SSL_set_mtu(con, socket_mtu - 28);
2162                         }
2163                 else
2164                         /* want to do MTU discovery */
2165                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2166
2167         /* turn on cookie exchange */
2168         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2169                 }
2170         else
2171                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2172
2173         if (s_nbio_test)
2174                 {
2175                 BIO *test;
2176
2177                 test=BIO_new(BIO_f_nbio_test());
2178                 sbio=BIO_push(test,sbio);
2179                 }
2180 #ifndef OPENSSL_NO_JPAKE
2181         if(jpake_secret)
2182                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2183 #endif
2184
2185         SSL_set_bio(con,sbio,sbio);
2186         SSL_set_accept_state(con);
2187         /* SSL_set_fd(con,s); */
2188
2189         if (s_debug)
2190                 {
2191                 SSL_set_debug(con, 1);
2192                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2193                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2194                 }
2195         if (s_msg)
2196                 {
2197 #ifndef OPENSSL_NO_SSL_TRACE
2198                 if (s_msg == 2)
2199                         SSL_set_msg_callback(con, SSL_trace);
2200                 else
2201 #endif
2202                         SSL_set_msg_callback(con, msg_cb);
2203                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2204                 }
2205 #ifndef OPENSSL_NO_TLSEXT
2206         if (s_tlsextdebug)
2207                 {
2208                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2209                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2210                 }
2211 #endif
2212
2213         width=s+1;
2214         for (;;)
2215                 {
2216                 int read_from_terminal;
2217                 int read_from_sslcon;
2218
2219                 read_from_terminal = 0;
2220                 read_from_sslcon = SSL_pending(con);
2221
2222                 if (!read_from_sslcon)
2223                         {
2224                         FD_ZERO(&readfds);
2225 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2226                         openssl_fdset(fileno(stdin),&readfds);
2227 #endif
2228                         openssl_fdset(s,&readfds);
2229                         /* Note: under VMS with SOCKETSHR the second parameter is
2230                          * currently of type (int *) whereas under other systems
2231                          * it is (void *) if you don't have a cast it will choke
2232                          * the compiler: if you do have a cast then you can either
2233                          * go for (int *) or (void *).
2234                          */
2235 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2236                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2237                          * on sockets. As a workaround we timeout the select every
2238                          * second and check for any keypress. In a proper Windows
2239                          * application we wouldn't do this because it is inefficient.
2240                          */
2241                         tv.tv_sec = 1;
2242                         tv.tv_usec = 0;
2243                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2244                         if((i < 0) || (!i && !_kbhit() ) )continue;
2245                         if(_kbhit())
2246                                 read_from_terminal = 1;
2247 #elif defined(OPENSSL_SYS_BEOS_R5)
2248                         /* Under BeOS-R5 the situation is similar to DOS */
2249                         tv.tv_sec = 1;
2250                         tv.tv_usec = 0;
2251                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2252                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2253                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2254                                 continue;
2255                         if (read(fileno(stdin), buf, 0) >= 0)
2256                                 read_from_terminal = 1;
2257                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2258 #else
2259                         if ((SSL_version(con) == DTLS1_VERSION) &&
2260                                 DTLSv1_get_timeout(con, &timeout))
2261                                 timeoutp = &timeout;
2262                         else
2263                                 timeoutp = NULL;
2264
2265                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2266
2267                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2268                                 {
2269                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2270                                 }
2271
2272                         if (i <= 0) continue;
2273                         if (FD_ISSET(fileno(stdin),&readfds))
2274                                 read_from_terminal = 1;
2275 #endif
2276                         if (FD_ISSET(s,&readfds))
2277                                 read_from_sslcon = 1;
2278                         }
2279                 if (read_from_terminal)
2280                         {
2281                         if (s_crlf)
2282                                 {
2283                                 int j, lf_num;
2284
2285                                 i=raw_read_stdin(buf, bufsize/2);
2286                                 lf_num = 0;
2287                                 /* both loops are skipped when i <= 0 */
2288                                 for (j = 0; j < i; j++)
2289                                         if (buf[j] == '\n')
2290                                                 lf_num++;
2291                                 for (j = i-1; j >= 0; j--)
2292                                         {
2293                                         buf[j+lf_num] = buf[j];
2294                                         if (buf[j] == '\n')
2295                                                 {
2296                                                 lf_num--;
2297                                                 i++;
2298                                                 buf[j+lf_num] = '\r';
2299                                                 }
2300                                         }
2301                                 assert(lf_num == 0);
2302                                 }
2303                         else
2304                                 i=raw_read_stdin(buf,bufsize);
2305                         if (!s_quiet)
2306                                 {
2307                                 if ((i <= 0) || (buf[0] == 'Q'))
2308                                         {
2309                                         BIO_printf(bio_s_out,"DONE\n");
2310                                         SHUTDOWN(s);
2311                                         close_accept_socket();
2312                                         ret= -11;
2313                                         goto err;
2314                                         }
2315                                 if ((i <= 0) || (buf[0] == 'q'))
2316                                         {
2317                                         BIO_printf(bio_s_out,"DONE\n");
2318                                         if (SSL_version(con) != DTLS1_VERSION)
2319                         SHUTDOWN(s);
2320         /*                              close_accept_socket();
2321                                         ret= -11;*/
2322                                         goto err;
2323                                         }
2324
2325 #ifndef OPENSSL_NO_HEARTBEATS
2326                                 if ((buf[0] == 'B') &&
2327                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2328                                         {
2329                                         BIO_printf(bio_err,"HEARTBEATING\n");
2330                                         SSL_heartbeat(con);
2331                                         i=0;
2332                                         continue;
2333                                         }
2334 #endif
2335                                 if ((buf[0] == 'r') && 
2336                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2337                                         {
2338                                         SSL_renegotiate(con);
2339                                         i=SSL_do_handshake(con);
2340                                         printf("SSL_do_handshake -> %d\n",i);
2341                                         i=0; /*13; */
2342                                         continue;
2343                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2344                                         }
2345                                 if ((buf[0] == 'R') &&
2346                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2347                                         {
2348                                         SSL_set_verify(con,
2349                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2350                                         SSL_renegotiate(con);
2351                                         i=SSL_do_handshake(con);
2352                                         printf("SSL_do_handshake -> %d\n",i);
2353                                         i=0; /* 13; */
2354                                         continue;
2355                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2356                                         }
2357                                 if (buf[0] == 'P')
2358                                         {
2359                                         static const char *str="Lets print some clear text\n";
2360                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2361                                         }
2362                                 if (buf[0] == 'S')
2363                                         {
2364                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2365                                         }
2366                                 }
2367 #ifdef CHARSET_EBCDIC
2368                         ebcdic2ascii(buf,buf,i);
2369 #endif
2370                         l=k=0;
2371                         for (;;)
2372                                 {
2373                                 /* should do a select for the write */
2374 #ifdef RENEG
2375 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2376 #endif
2377                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2378 #ifndef OPENSSL_NO_SRP
2379                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2380                                         {
2381                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2382                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2383                                         if (srp_callback_parm.user) 
2384                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2385                                         else 
2386                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2387                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2388                                         }
2389 #endif
2390                                 switch (SSL_get_error(con,k))
2391                                         {
2392                                 case SSL_ERROR_NONE:
2393                                         break;
2394                                 case SSL_ERROR_WANT_WRITE:
2395                                 case SSL_ERROR_WANT_READ:
2396                                 case SSL_ERROR_WANT_X509_LOOKUP:
2397                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2398                                         break;
2399                                 case SSL_ERROR_SYSCALL:
2400                                 case SSL_ERROR_SSL:
2401                                         BIO_printf(bio_s_out,"ERROR\n");
2402                                         ERR_print_errors(bio_err);
2403                                         ret=1;
2404                                         goto err;
2405                                         /* break; */
2406                                 case SSL_ERROR_ZERO_RETURN:
2407                                         BIO_printf(bio_s_out,"DONE\n");
2408                                         ret=1;
2409                                         goto err;
2410                                         }
2411                                 l+=k;
2412                                 i-=k;
2413                                 if (i <= 0) break;
2414                                 }
2415                         }
2416                 if (read_from_sslcon)
2417                         {
2418                         if (!SSL_is_init_finished(con))
2419                                 {
2420                                 i=init_ssl_connection(con);
2421                                 
2422                                 if (i < 0)
2423                                         {
2424                                         ret=0;
2425                                         goto err;
2426                                         }
2427                                 else if (i == 0)
2428                                         {
2429                                         ret=1;
2430                                         goto err;
2431                                         }
2432                                 }
2433                         else
2434                                 {
2435 again:  
2436                                 i=SSL_read(con,(char *)buf,bufsize);
2437 #ifndef OPENSSL_NO_SRP
2438                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2439                                         {
2440                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2441                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2442                                         if (srp_callback_parm.user) 
2443                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2444                                         else 
2445                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2446                                         i=SSL_read(con,(char *)buf,bufsize);
2447                                         }
2448 #endif
2449                                 switch (SSL_get_error(con,i))
2450                                         {
2451                                 case SSL_ERROR_NONE:
2452 #ifdef CHARSET_EBCDIC
2453                                         ascii2ebcdic(buf,buf,i);
2454 #endif
2455                                         raw_write_stdout(buf,
2456                                                 (unsigned int)i);
2457                                         if (SSL_pending(con)) goto again;
2458                                         break;
2459                                 case SSL_ERROR_WANT_WRITE:
2460                                 case SSL_ERROR_WANT_READ:
2461                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2462                                         break;
2463                                 case SSL_ERROR_SYSCALL:
2464                                 case SSL_ERROR_SSL:
2465                                         BIO_printf(bio_s_out,"ERROR\n");
2466                                         ERR_print_errors(bio_err);
2467                                         ret=1;
2468                                         goto err;
2469                                 case SSL_ERROR_ZERO_RETURN:
2470                                         BIO_printf(bio_s_out,"DONE\n");
2471                                         ret=1;
2472                                         goto err;
2473                                         }
2474                                 }
2475                         }
2476                 }
2477 err:
2478         if (con != NULL)
2479                 {
2480                 BIO_printf(bio_s_out,"shutting down SSL\n");
2481 #if 1
2482                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2483 #else
2484                 SSL_shutdown(con);
2485 #endif
2486                 SSL_free(con);
2487                 }
2488         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2489         if (buf != NULL)
2490                 {
2491                 OPENSSL_cleanse(buf,bufsize);
2492                 OPENSSL_free(buf);
2493                 }
2494         if (ret >= 0)
2495                 BIO_printf(bio_s_out,"ACCEPT\n");
2496         return(ret);
2497         }
2498
2499 static void close_accept_socket(void)
2500         {
2501         BIO_printf(bio_err,"shutdown accept socket\n");
2502         if (accept_socket >= 0)
2503                 {
2504                 SHUTDOWN2(accept_socket);
2505                 }
2506         }
2507
2508 static int init_ssl_connection(SSL *con)
2509         {
2510         int i;
2511         const char *str;
2512         X509 *peer;
2513         long verify_error;
2514         MS_STATIC char buf[BUFSIZ];
2515 #ifndef OPENSSL_NO_KRB5
2516         char *client_princ;
2517 #endif
2518 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2519         const unsigned char *next_proto_neg;
2520         unsigned next_proto_neg_len;
2521 #endif
2522         unsigned char *exportedkeymat;
2523
2524
2525         i=SSL_accept(con);
2526 #ifndef OPENSSL_NO_SRP
2527         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 
2528                 {
2529                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2530                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2531                         if (srp_callback_parm.user) 
2532                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2533                         else 
2534                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2535                         i=SSL_accept(con);
2536                 }
2537 #endif
2538         if (i <= 0)
2539                 {
2540                 if (BIO_sock_should_retry(i))
2541                         {
2542                         BIO_printf(bio_s_out,"DELAY\n");
2543                         return(1);
2544                         }
2545
2546                 BIO_printf(bio_err,"ERROR\n");
2547                 verify_error=SSL_get_verify_result(con);
2548                 if (verify_error != X509_V_OK)
2549                         {
2550                         BIO_printf(bio_err,"verify error:%s\n",
2551                                 X509_verify_cert_error_string(verify_error));
2552                         }
2553                 else
2554                         ERR_print_errors(bio_err);
2555                 return(0);
2556                 }
2557
2558         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2559
2560         peer=SSL_get_peer_certificate(con);
2561         if (peer != NULL)
2562                 {
2563                 BIO_printf(bio_s_out,"Client certificate\n");
2564                 PEM_write_bio_X509(bio_s_out,peer);
2565                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2566                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2567                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2568                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2569                 X509_free(peer);
2570                 }
2571
2572         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2573                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2574         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2575         ssl_print_sigalgs(bio_s_out, con, 0);
2576         ssl_print_curves(bio_s_out, con);
2577         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2578
2579 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2580         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2581         if (next_proto_neg)
2582                 {
2583                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2584                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2585                 BIO_printf(bio_s_out, "\n");
2586                 }
2587 #endif
2588         {
2589         SRTP_PROTECTION_PROFILE *srtp_profile
2590           = SSL_get_selected_srtp_profile(con);
2591
2592         if(srtp_profile)
2593                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2594                            srtp_profile->name);
2595         }
2596         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2597         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2598                 TLS1_FLAGS_TLS_PADDING_BUG)
2599                 BIO_printf(bio_s_out,
2600                            "Peer has incorrect TLSv1 block padding\n");
2601 #ifndef OPENSSL_NO_KRB5
2602         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2603         if (client_princ != NULL)
2604                 {
2605                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2606                                                                 client_princ);
2607                 }
2608 #endif /* OPENSSL_NO_KRB5 */
2609         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2610                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2611         if (keymatexportlabel != NULL)
2612                 {
2613                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2614                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2615                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2616                            keymatexportlen);
2617                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2618                 if (exportedkeymat != NULL)
2619                         {
2620                         if (!SSL_export_keying_material(con, exportedkeymat,
2621                                                         keymatexportlen,
2622                                                         keymatexportlabel,
2623                                                         strlen(keymatexportlabel),
2624                                                         NULL, 0, 0))
2625                                 {
2626                                 BIO_printf(bio_s_out, "    Error\n");
2627                                 }
2628                         else
2629                                 {
2630                                 BIO_printf(bio_s_out, "    Keying material: ");
2631                                 for (i=0; i<keymatexportlen; i++)
2632                                         BIO_printf(bio_s_out, "%02X",
2633                                                    exportedkeymat[i]);
2634                                 BIO_printf(bio_s_out, "\n");
2635                                 }
2636                         OPENSSL_free(exportedkeymat);
2637                         }
2638                 }
2639
2640         return(1);
2641         }
2642
2643 #ifndef OPENSSL_NO_DH
2644 static DH *load_dh_param(const char *dhfile)
2645         {
2646         DH *ret=NULL;
2647         BIO *bio;
2648
2649         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2650                 goto err;
2651         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2652 err:
2653         if (bio != NULL) BIO_free(bio);
2654         return(ret);
2655         }
2656 #endif
2657
2658 #if 0
2659 static int load_CA(SSL_CTX *ctx, char *file)
2660         {
2661         FILE *in;
2662         X509 *x=NULL;
2663
2664         if ((in=fopen(file,"r")) == NULL)
2665                 return(0);
2666
2667         for (;;)
2668                 {
2669                 if (PEM_read_X509(in,&x,NULL) == NULL)
2670                         break;
2671                 SSL_CTX_add_client_CA(ctx,x);
2672                 }
2673         if (x != NULL) X509_free(x);
2674         fclose(in);
2675         return(1);
2676         }
2677 #endif
2678
2679 static int www_body(char *hostname, int s, unsigned char *context)
2680         {
2681         char *buf=NULL;
2682         int ret=1;
2683         int i,j,k,dot;
2684         SSL *con;
2685         const SSL_CIPHER *c;
2686         BIO *io,*ssl_bio,*sbio;
2687 #ifndef OPENSSL_NO_KRB5
2688         KSSL_CTX *kctx;
2689 #endif
2690
2691         buf=OPENSSL_malloc(bufsize);
2692         if (buf == NULL) return(0);
2693         io=BIO_new(BIO_f_buffer());
2694         ssl_bio=BIO_new(BIO_f_ssl());
2695         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2696
2697 #ifdef FIONBIO  
2698         if (s_nbio)
2699                 {
2700                 unsigned long sl=1;
2701
2702                 if (!s_quiet)
2703                         BIO_printf(bio_err,"turning on non blocking io\n");
2704                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2705                         ERR_print_errors(bio_err);
2706                 }
2707 #endif
2708
2709         /* lets make the output buffer a reasonable size */
2710         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2711
2712         if ((con=SSL_new(ctx)) == NULL) goto err;
2713 #ifndef OPENSSL_NO_TLSEXT
2714                 if (s_tlsextdebug)
2715                         {
2716                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2717                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2718                         }
2719 #endif
2720 #ifndef OPENSSL_NO_KRB5
2721         if ((kctx = kssl_ctx_new()) != NULL)
2722                 {
2723                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2724                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2725                 }
2726 #endif  /* OPENSSL_NO_KRB5 */
2727         if(context) SSL_set_session_id_context(con, context,
2728                                                strlen((char *)context));
2729
2730         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2731         if (s_nbio_test)
2732                 {
2733                 BIO *test;
2734
2735                 test=BIO_new(BIO_f_nbio_test());
2736                 sbio=BIO_push(test,sbio);
2737                 }
2738         SSL_set_bio(con,sbio,sbio);
2739         SSL_set_accept_state(con);
2740
2741         /* SSL_set_fd(con,s); */
2742         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2743         BIO_push(io,ssl_bio);
2744 #ifdef CHARSET_EBCDIC
2745         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2746 #endif
2747
2748         if (s_debug)
2749                 {
2750                 SSL_set_debug(con, 1);
2751                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2752                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2753                 }
2754         if (s_msg)
2755                 {
2756 #ifndef OPENSSL_NO_SSL_TRACE
2757                 if (s_msg == 2)
2758                         SSL_set_msg_callback(con, SSL_trace);
2759                 else
2760 #endif
2761                         SSL_set_msg_callback(con, msg_cb);
2762                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2763                 }
2764
2765         for (;;)
2766                 {
2767                 if (hack)
2768                         {
2769                         i=SSL_accept(con);
2770 #ifndef OPENSSL_NO_SRP
2771                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 
2772                 {
2773                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2774                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2775                         if (srp_callback_parm.user) 
2776                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2777                         else 
2778                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2779                         i=SSL_accept(con);
2780                 }
2781 #endif
2782                         switch (SSL_get_error(con,i))
2783                                 {
2784                         case SSL_ERROR_NONE:
2785                                 break;
2786                         case SSL_ERROR_WANT_WRITE:
2787                         case SSL_ERROR_WANT_READ:
2788                         case SSL_ERROR_WANT_X509_LOOKUP:
2789                                 continue;
2790                         case SSL_ERROR_SYSCALL:
2791                         case SSL_ERROR_SSL:
2792                         case SSL_ERROR_ZERO_RETURN:
2793                                 ret=1;
2794                                 goto err;
2795                                 /* break; */
2796                                 }
2797
2798                         SSL_renegotiate(con);
2799                         SSL_write(con,NULL,0);
2800                         }
2801
2802                 i=BIO_gets(io,buf,bufsize-1);
2803                 if (i < 0) /* error */
2804                         {
2805                         if (!BIO_should_retry(io))
2806                                 {
2807                                 if (!s_quiet)
2808                                         ERR_print_errors(bio_err);
2809                                 goto err;
2810                                 }
2811                         else
2812                                 {
2813                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2814 #if defined(OPENSSL_SYS_NETWARE)
2815             delay(1000);
2816 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2817                                 sleep(1);
2818 #endif
2819                                 continue;
2820                                 }
2821                         }
2822                 else if (i == 0) /* end of input */
2823                         {
2824                         ret=1;
2825                         goto end;
2826                         }
2827
2828                 /* else we have data */
2829                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2830                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2831                         {
2832                         char *p;
2833                         X509 *peer;
2834                         STACK_OF(SSL_CIPHER) *sk;
2835                         static const char *space="                          ";
2836
2837                 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0)
2838                         {
2839                         if (strncmp("GET /renegcert", buf, 14) == 0)
2840                                 SSL_set_verify(con,
2841                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2842                         i=SSL_renegotiate(con);
2843                         BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n",i);
2844                         i=SSL_do_handshake(con);
2845                         if (i <= 0)
2846                                 {
2847                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2848                                 ERR_print_errors(bio_err);
2849                                 goto err;
2850                                 }
2851                         /* EVIL HACK! */
2852                         SSL_set_state(con, SSL_ST_ACCEPT);
2853                         i=SSL_do_handshake(con);
2854                         BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n",i);
2855                         if (i <= 0)
2856                                 {
2857                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2858                                 ERR_print_errors(bio_err);
2859                                 goto err;
2860                                 }
2861                         }
2862
2863                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2864                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2865                         BIO_puts(io,"<pre>\n");
2866 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2867                         BIO_puts(io,"\n");
2868                         for (i=0; i<local_argc; i++)
2869                                 {
2870                                 BIO_puts(io,local_argv[i]);
2871                                 BIO_write(io," ",1);
2872                                 }
2873                         BIO_puts(io,"\n");
2874
2875                         BIO_printf(io,
2876                                 "Secure Renegotiation IS%s supported\n",
2877                                 SSL_get_secure_renegotiation_support(con) ?
2878                                                         "" : " NOT");
2879
2880                         /* The following is evil and should not really
2881                          * be done */
2882                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2883                         sk=SSL_get_ciphers(con);
2884                         j=sk_SSL_CIPHER_num(sk);
2885                         for (i=0; i<j; i++)
2886                                 {
2887                                 c=sk_SSL_CIPHER_value(sk,i);
2888                                 BIO_printf(io,"%-11s:%-25s",
2889                                         SSL_CIPHER_get_version(c),
2890                                         SSL_CIPHER_get_name(c));
2891                                 if ((((i+1)%2) == 0) && (i+1 != j))
2892                                         BIO_puts(io,"\n");
2893                                 }
2894                         BIO_puts(io,"\n");
2895                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2896                         if (p != NULL)
2897                                 {
2898                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2899                                 j=i=0;
2900                                 while (*p)
2901                                         {
2902                                         if (*p == ':')
2903                                                 {
2904                                                 BIO_write(io,space,26-j);
2905                                                 i++;
2906                                                 j=0;
2907                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2908                                                 }
2909                                         else
2910                                                 {
2911                                                 BIO_write(io,p,1);
2912                                                 j++;
2913                                                 }
2914                                         p++;
2915                                         }
2916                                 BIO_puts(io,"\n");
2917                                 }
2918                         ssl_print_sigalgs(io, con, 0);
2919                         ssl_print_curves(io, con);
2920                         BIO_printf(io,(SSL_cache_hit(con)
2921                                 ?"---\nReused, "
2922                                 :"---\nNew, "));
2923                         c=SSL_get_current_cipher(con);
2924                         BIO_printf(io,"%s, Cipher is %s\n",
2925                                 SSL_CIPHER_get_version(c),
2926                                 SSL_CIPHER_get_name(c));
2927                         SSL_SESSION_print(io,SSL_get_session(con));
2928                         BIO_printf(io,"---\n");
2929                         print_stats(io,SSL_get_SSL_CTX(con));
2930                         BIO_printf(io,"---\n");
2931                         peer=SSL_get_peer_certificate(con);
2932                         if (peer != NULL)
2933                                 {
2934                                 BIO_printf(io,"Client certificate\n");
2935                                 X509_print(io,peer);
2936                                 PEM_write_bio_X509(io,peer);
2937                                 }
2938                         else
2939                                 BIO_puts(io,"no client certificate available\n");
2940                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2941                         break;
2942                         }
2943                 else if ((www == 2 || www == 3)
2944                          && (strncmp("GET /",buf,5) == 0))
2945                         {
2946                         BIO *file;
2947                         char *p,*e;
2948                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2949
2950                         /* skip the '/' */
2951                         p= &(buf[5]);
2952
2953                         dot = 1;
2954                         for (e=p; *e != '\0'; e++)
2955                                 {
2956                                 if (e[0] == ' ')
2957                                         break;
2958
2959                                 switch (dot)
2960                                         {
2961                                 case 1:
2962                                         dot = (e[0] == '.') ? 2 : 0;
2963                                         break;
2964                                 case 2:
2965                                         dot = (e[0] == '.') ? 3 : 0;
2966                                         break;
2967                                 case 3:
2968                                         dot = (e[0] == '/') ? -1 : 0;
2969                                         break;
2970                                         }
2971                                 if (dot == 0)
2972                                         dot = (e[0] == '/') ? 1 : 0;
2973                                 }
2974                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2975
2976                         if (*e == '\0')
2977                                 {
2978                                 BIO_puts(io,text);
2979                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2980                                 break;
2981                                 }
2982                         *e='\0';
2983
2984                         if (dot)
2985                                 {
2986                                 BIO_puts(io,text);
2987                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2988                                 break;
2989                                 }
2990
2991                         if (*p == '/')
2992                                 {
2993                                 BIO_puts(io,text);
2994                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2995                                 break;
2996                                 }
2997
2998 #if 0
2999                         /* append if a directory lookup */
3000                         if (e[-1] == '/')
3001                                 strcat(p,"index.html");
3002 #endif
3003
3004                         /* if a directory, do the index thang */
3005                         if (app_isdir(p)>0)
3006                                 {
3007 #if 0 /* must check buffer size */
3008                                 strcat(p,"/index.html");
3009 #else
3010                                 BIO_puts(io,text);
3011                                 BIO_printf(io,"'%s' is a directory\r\n",p);
3012                                 break;
3013 #endif
3014                                 }
3015
3016                         if ((file=BIO_new_file(p,"r")) == NULL)
3017                                 {
3018                                 BIO_puts(io,text);
3019                                 BIO_printf(io,"Error opening '%s'\r\n",p);
3020                                 ERR_print_errors(io);
3021                                 break;
3022                                 }
3023
3024                         if (!s_quiet)
3025                                 BIO_printf(bio_err,"FILE:%s\n",p);
3026
3027                         if (www == 2)
3028                                 {
3029                                 i=strlen(p);
3030                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3031                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3032                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3033                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3034                                 else
3035                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3036                                 }
3037                         /* send the file */
3038                         for (;;)
3039                                 {
3040                                 i=BIO_read(file,buf,bufsize);
3041                                 if (i <= 0) break;
3042
3043 #ifdef RENEG
3044                                 total_bytes+=i;
3045                                 fprintf(stderr,"%d\n",i);
3046                                 if (total_bytes > 3*1024)
3047                                         {
3048                                         total_bytes=0;
3049                                         fprintf(stderr,"RENEGOTIATE\n");
3050                                         SSL_renegotiate(con);
3051                                         }
3052 #endif
3053
3054                                 for (j=0; j<i; )
3055                                         {
3056 #ifdef RENEG
3057 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3058 #endif
3059                                         k=BIO_write(io,&(buf[j]),i-j);
3060                                         if (k <= 0)
3061                                                 {
3062                                                 if (!BIO_should_retry(io))
3063                                                         goto write_error;
3064                                                 else
3065                                                         {
3066                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3067                                                         }
3068                                                 }
3069                                         else
3070                                                 {
3071                                                 j+=k;
3072                                                 }
3073                                         }
3074                                 }
3075 write_error:
3076                         BIO_free(file);
3077                         break;
3078                         }
3079                 }
3080
3081         for (;;)
3082                 {
3083                 i=(int)BIO_flush(io);
3084                 if (i <= 0)
3085                         {
3086                         if (!BIO_should_retry(io))
3087                                 break;
3088                         }
3089                 else
3090                         break;
3091                 }
3092 end:
3093 #if 1
3094         /* make sure we re-use sessions */
3095         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3096 #else
3097         /* This kills performance */
3098 /*      SSL_shutdown(con); A shutdown gets sent in the
3099  *      BIO_free_all(io) procession */
3100 #endif
3101
3102 err:
3103
3104         if (ret >= 0)
3105                 BIO_printf(bio_s_out,"ACCEPT\n");
3106
3107         if (buf != NULL) OPENSSL_free(buf);
3108         if (io != NULL) BIO_free_all(io);
3109 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3110         return(ret);
3111         }
3112
3113 #ifndef OPENSSL_NO_RSA
3114 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3115         {
3116         BIGNUM *bn = NULL;
3117         static RSA *rsa_tmp=NULL;
3118
3119         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3120                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3121         if (!rsa_tmp && bn)
3122                 {
3123                 if (!s_quiet)
3124                         {
3125                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3126                         (void)BIO_flush(bio_err);
3127                         }
3128                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3129                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3130                         {
3131                         if(rsa_tmp) RSA_free(rsa_tmp);
3132                         rsa_tmp = NULL;
3133                         }
3134                 if (!s_quiet)
3135                         {
3136                         BIO_printf(bio_err,"\n");
3137                         (void)BIO_flush(bio_err);
3138                         }
3139                 BN_free(bn);
3140                 }
3141         return(rsa_tmp);
3142         }
3143 #endif
3144
3145 #define MAX_SESSION_ID_ATTEMPTS 10
3146 static int generate_session_id(const SSL *ssl, unsigned char *id,
3147                                 unsigned int *id_len)
3148         {
3149         unsigned int count = 0;
3150         do      {
3151                 RAND_pseudo_bytes(id, *id_len);
3152                 /* Prefix the session_id with the required prefix. NB: If our
3153                  * prefix is too long, clip it - but there will be worse effects
3154                  * anyway, eg. the server could only possibly create 1 session
3155                  * ID (ie. the prefix!) so all future session negotiations will
3156                  * fail due to conflicts. */
3157                 memcpy(id, session_id_prefix,
3158                         (strlen(session_id_prefix) < *id_len) ?
3159                         strlen(session_id_prefix) : *id_len);
3160                 }
3161         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3162                 (++count < MAX_SESSION_ID_ATTEMPTS));
3163         if(count >= MAX_SESSION_ID_ATTEMPTS)
3164                 return 0;
3165         return 1;
3166         }
3167
3168 /* By default s_server uses an in-memory cache which caches SSL_SESSION
3169  * structures without any serialisation. This hides some bugs which only
3170  * become apparent in deployed servers. By implementing a basic external
3171  * session cache some issues can be debugged using s_server.
3172  */
3173
3174 typedef struct simple_ssl_session_st
3175         {
3176         unsigned char *id;
3177         unsigned int idlen;
3178         unsigned char *der;
3179         int derlen;
3180         struct simple_ssl_session_st *next;
3181         } simple_ssl_session;
3182
3183 static simple_ssl_session *first = NULL;
3184
3185 static int add_session(SSL *ssl, SSL_SESSION *session)
3186         {
3187         simple_ssl_session *sess;
3188         unsigned char *p;
3189
3190         sess = OPENSSL_malloc(sizeof(simple_ssl_session));
3191
3192         SSL_SESSION_get_id(session, &sess->idlen);
3193         sess->derlen = i2d_SSL_SESSION(session, NULL);
3194
3195         sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3196
3197         sess->der = OPENSSL_malloc(sess->derlen);
3198         p = sess->der;
3199         i2d_SSL_SESSION(session, &p);
3200