Add -rev test option to s_server to just reverse order of characters received
[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 int rev_body(char *hostname, int s, unsigned char *context);
211 static void close_accept_socket(void );
212 static void sv_usage(void);
213 static int init_ssl_connection(SSL *s);
214 static void print_stats(BIO *bp,SSL_CTX *ctx);
215 static int generate_session_id(const SSL *ssl, unsigned char *id,
216                                 unsigned int *id_len);
217 static void init_session_cache_ctx(SSL_CTX *sctx);
218 static void free_sessions(void);
219 static int ssl_load_stores(SSL_CTX *sctx,
220                         const char *vfyCApath, const char *vfyCAfile,
221                         const char *chCApath, const char *chCAfile);
222 #ifndef OPENSSL_NO_DH
223 static DH *load_dh_param(const char *dhfile);
224 static DH *get_dh512(void);
225 #endif
226
227 #ifdef MONOLITH
228 static void s_server_init(void);
229 #endif
230
231 #ifndef OPENSSL_NO_DH
232 static unsigned char dh512_p[]={
233         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
234         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
235         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
236         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
237         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
238         0x47,0x74,0xE8,0x33,
239         };
240 static unsigned char dh512_g[]={
241         0x02,
242         };
243
244 static DH *get_dh512(void)
245         {
246         DH *dh=NULL;
247
248         if ((dh=DH_new()) == NULL) return(NULL);
249         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
250         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
251         if ((dh->p == NULL) || (dh->g == NULL))
252                 return(NULL);
253         return(dh);
254         }
255 #endif
256
257
258 /* static int load_CA(SSL_CTX *ctx, char *file);*/
259
260 #undef BUFSIZZ
261 #define BUFSIZZ 16*1024
262 static int bufsize=BUFSIZZ;
263 static int accept_socket= -1;
264
265 #define TEST_CERT       "server.pem"
266 #ifndef OPENSSL_NO_TLSEXT
267 #define TEST_CERT2      "server2.pem"
268 #endif
269 #undef PROG
270 #define PROG            s_server_main
271
272 extern int verify_depth, verify_return_error, verify_quiet;
273
274 static char *cipher=NULL;
275 static int s_server_verify=SSL_VERIFY_NONE;
276 static int s_server_session_id_context = 1; /* anything will do */
277 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
278 #ifndef OPENSSL_NO_TLSEXT
279 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
280 static char *curves=NULL;
281 static char *sigalgs=NULL;
282 static char *client_sigalgs=NULL;
283 #endif
284 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
285 #ifdef FIONBIO
286 static int s_nbio=0;
287 #endif
288 static int s_nbio_test=0;
289 int s_crlf=0;
290 static SSL_CTX *ctx=NULL;
291 #ifndef OPENSSL_NO_TLSEXT
292 static SSL_CTX *ctx2=NULL;
293 #endif
294 static int www=0;
295
296 static BIO *bio_s_out=NULL;
297 static BIO *bio_s_msg = NULL;
298 static int s_debug=0;
299 #ifndef OPENSSL_NO_TLSEXT
300 static int s_tlsextdebug=0;
301 static int s_tlsextstatus=0;
302 static int cert_status_cb(SSL *s, void *arg);
303 #endif
304 static int no_resume_ephemeral = 0;
305 static int s_msg=0;
306 static int s_quiet=0;
307 static int s_brief=0;
308
309 static char *keymatexportlabel=NULL;
310 static int keymatexportlen=20;
311
312 static int hack=0;
313 #ifndef OPENSSL_NO_ENGINE
314 static char *engine_id=NULL;
315 #endif
316 static const char *session_id_prefix=NULL;
317
318 static int enable_timeouts = 0;
319 static long socket_mtu;
320 #ifndef OPENSSL_NO_DTLS1
321 static int cert_chain = 0;
322 #endif
323
324 #ifndef OPENSSL_NO_TLSEXT
325 static BIO *authz_in = NULL;
326 static const char *s_authz_file = NULL;
327 #endif
328
329 #ifndef OPENSSL_NO_PSK
330 static char *psk_identity="Client_identity";
331 char *psk_key=NULL; /* by default PSK is not used */
332
333 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
334         unsigned char *psk, unsigned int max_psk_len)
335         {
336         unsigned int psk_len = 0;
337         int ret;
338         BIGNUM *bn = NULL;
339
340         if (s_debug)
341                 BIO_printf(bio_s_out,"psk_server_cb\n");
342         if (!identity)
343                 {
344                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
345                 goto out_err;
346                 }
347         if (s_debug)
348                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
349                         identity ? (int)strlen(identity) : 0, identity);
350
351         /* here we could lookup the given identity e.g. from a database */
352         if (strcmp(identity, psk_identity) != 0)
353                 {
354                 BIO_printf(bio_s_out, "PSK error: client identity not found"
355                            " (got '%s' expected '%s')\n", identity,
356                            psk_identity);
357                 goto out_err;
358                 }
359         if (s_debug)
360                 BIO_printf(bio_s_out, "PSK client identity found\n");
361
362         /* convert the PSK key to binary */
363         ret = BN_hex2bn(&bn, psk_key);
364         if (!ret)
365                 {
366                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
367                 if (bn)
368                         BN_free(bn);
369                 return 0;
370                 }
371         if (BN_num_bytes(bn) > (int)max_psk_len)
372                 {
373                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
374                         max_psk_len, BN_num_bytes(bn));
375                 BN_free(bn);
376                 return 0;
377                 }
378
379         ret = BN_bn2bin(bn, psk);
380         BN_free(bn);
381
382         if (ret < 0)
383                 goto out_err;
384         psk_len = (unsigned int)ret;
385
386         if (s_debug)
387                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
388         return psk_len;
389  out_err:
390         if (s_debug)
391                 BIO_printf(bio_err, "Error in PSK server callback\n");
392         return 0;
393         }
394 #endif
395
396 #ifndef OPENSSL_NO_SRP
397 /* This is a context that we pass to callbacks */
398 typedef struct srpsrvparm_st
399         {
400         char *login;
401         SRP_VBASE *vb;
402         SRP_user_pwd *user;
403         } srpsrvparm;
404
405 /* This callback pretends to require some asynchronous logic in order to obtain
406    a verifier. When the callback is called for a new connection we return
407    with a negative value. This will provoke the accept etc to return with
408    an LOOKUP_X509. The main logic of the reinvokes the suspended call 
409    (which would normally occur after a worker has finished) and we
410    set the user parameters. 
411 */
412 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
413         {
414         srpsrvparm *p = (srpsrvparm *)arg;
415         if (p->login == NULL && p->user == NULL )
416                 {
417                 p->login = SSL_get_srp_username(s);
418                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
419                 return (-1) ;
420                 }
421
422         if (p->user == NULL)
423                 {
424                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
425                 return SSL3_AL_FATAL;
426                 }
427         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
428                                      p->user->info) < 0)
429                 {
430                 *ad = SSL_AD_INTERNAL_ERROR;
431                 return SSL3_AL_FATAL;
432                 }
433         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
434         /* need to check whether there are memory leaks */
435         p->user = NULL;
436         p->login = NULL;
437         return SSL_ERROR_NONE;
438         }
439
440 #endif
441
442 #ifdef MONOLITH
443 static void s_server_init(void)
444         {
445         accept_socket=-1;
446         cipher=NULL;
447         s_server_verify=SSL_VERIFY_NONE;
448         s_dcert_file=NULL;
449         s_dkey_file=NULL;
450         s_dchain_file=NULL;
451         s_cert_file=TEST_CERT;
452         s_key_file=NULL;
453         s_chain_file=NULL;
454 #ifndef OPENSSL_NO_TLSEXT
455         curves=NULL;
456         s_cert_file2=TEST_CERT2;
457         s_key_file2=NULL;
458         ctx2=NULL;
459 #endif
460 #ifdef FIONBIO
461         s_nbio=0;
462 #endif
463         s_nbio_test=0;
464         ctx=NULL;
465         www=0;
466
467         bio_s_out=NULL;
468         s_debug=0;
469         s_msg=0;
470         s_quiet=0;
471         s_brief=0;
472         hack=0;
473 #ifndef OPENSSL_NO_ENGINE
474         engine_id=NULL;
475 #endif
476         }
477 #endif
478
479 static void sv_usage(void)
480         {
481         BIO_printf(bio_err,"usage: s_server [args ...]\n");
482         BIO_printf(bio_err,"\n");
483         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
484         BIO_printf(bio_err," -context arg  - set session ID context\n");
485         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
486         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
487         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
488         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
489         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
490         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
491                            "                 The CRL(s) are appended to the certificate file\n");
492         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
493                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
494                            "                 the certificate file.\n");
495         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
496         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
497         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
498         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
499         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
500         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
501         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
502         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
503         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
504         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
505         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
506         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
507 #ifndef OPENSSL_NO_ECDH
508         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
509                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
510                            "                 (default is nistp256).\n");
511 #endif
512 #ifdef FIONBIO
513         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
514 #endif
515         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
516         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
517         BIO_printf(bio_err," -debug        - Print more output\n");
518         BIO_printf(bio_err," -msg          - Show protocol messages\n");
519         BIO_printf(bio_err," -state        - Print the SSL states\n");
520         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
521         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
522         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
523         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
524         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
525         BIO_printf(bio_err," -quiet        - No server output\n");
526         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
527 #ifndef OPENSSL_NO_PSK
528         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
529         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
530 # ifndef OPENSSL_NO_JPAKE
531         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
532 # endif
533 #endif
534 #ifndef OPENSSL_NO_SRP
535         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
536         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
537 #endif
538         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
539         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
540         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
541         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
542         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
543         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
544         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
545         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
546         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
547         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
548         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
549         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
550         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
551         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
552 #ifndef OPENSSL_NO_DH
553         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
554 #endif
555 #ifndef OPENSSL_NO_ECDH
556         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
557 #endif
558         BIO_printf(bio_err, "-no_resume_ephemeral - Disable caching and tickets if ephemeral (EC)DH is used\n");
559         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
560         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
561         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
562         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
563         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
564 #ifndef OPENSSL_NO_ENGINE
565         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
566 #endif
567         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
568         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
569 #ifndef OPENSSL_NO_TLSEXT
570         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
571         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
572         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
573         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
574         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
575         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
576         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
577         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
578         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
579 # ifndef OPENSSL_NO_NEXTPROTONEG
580         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
581 # endif
582         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
583 #endif
584         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
585         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
586         }
587
588 static int local_argc=0;
589 static char **local_argv;
590
591 #ifdef CHARSET_EBCDIC
592 static int ebcdic_new(BIO *bi);
593 static int ebcdic_free(BIO *a);
594 static int ebcdic_read(BIO *b, char *out, int outl);
595 static int ebcdic_write(BIO *b, const char *in, int inl);
596 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
597 static int ebcdic_gets(BIO *bp, char *buf, int size);
598 static int ebcdic_puts(BIO *bp, const char *str);
599
600 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
601 static BIO_METHOD methods_ebcdic=
602         {
603         BIO_TYPE_EBCDIC_FILTER,
604         "EBCDIC/ASCII filter",
605         ebcdic_write,
606         ebcdic_read,
607         ebcdic_puts,
608         ebcdic_gets,
609         ebcdic_ctrl,
610         ebcdic_new,
611         ebcdic_free,
612         };
613
614 typedef struct
615 {
616         size_t  alloced;
617         char    buff[1];
618 } EBCDIC_OUTBUFF;
619
620 BIO_METHOD *BIO_f_ebcdic_filter()
621 {
622         return(&methods_ebcdic);
623 }
624
625 static int ebcdic_new(BIO *bi)
626 {
627         EBCDIC_OUTBUFF *wbuf;
628
629         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
630         wbuf->alloced = 1024;
631         wbuf->buff[0] = '\0';
632
633         bi->ptr=(char *)wbuf;
634         bi->init=1;
635         bi->flags=0;
636         return(1);
637 }
638
639 static int ebcdic_free(BIO *a)
640 {
641         if (a == NULL) return(0);
642         if (a->ptr != NULL)
643                 OPENSSL_free(a->ptr);
644         a->ptr=NULL;
645         a->init=0;
646         a->flags=0;
647         return(1);
648 }
649         
650 static int ebcdic_read(BIO *b, char *out, int outl)
651 {
652         int ret=0;
653
654         if (out == NULL || outl == 0) return(0);
655         if (b->next_bio == NULL) return(0);
656
657         ret=BIO_read(b->next_bio,out,outl);
658         if (ret > 0)
659                 ascii2ebcdic(out,out,ret);
660         return(ret);
661 }
662
663 static int ebcdic_write(BIO *b, const char *in, int inl)
664 {
665         EBCDIC_OUTBUFF *wbuf;
666         int ret=0;
667         int num;
668         unsigned char n;
669
670         if ((in == NULL) || (inl <= 0)) return(0);
671         if (b->next_bio == NULL) return(0);
672
673         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
674
675         if (inl > (num = wbuf->alloced))
676         {
677                 num = num + num;  /* double the size */
678                 if (num < inl)
679                         num = inl;
680                 OPENSSL_free(wbuf);
681                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
682
683                 wbuf->alloced = num;
684                 wbuf->buff[0] = '\0';
685
686                 b->ptr=(char *)wbuf;
687         }
688
689         ebcdic2ascii(wbuf->buff, in, inl);
690
691         ret=BIO_write(b->next_bio, wbuf->buff, inl);
692
693         return(ret);
694 }
695
696 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
697 {
698         long ret;
699
700         if (b->next_bio == NULL) return(0);
701         switch (cmd)
702         {
703         case BIO_CTRL_DUP:
704                 ret=0L;
705                 break;
706         default:
707                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
708                 break;
709         }
710         return(ret);
711 }
712
713 static int ebcdic_gets(BIO *bp, char *buf, int size)
714 {
715         int i, ret=0;
716         if (bp->next_bio == NULL) return(0);
717 /*      return(BIO_gets(bp->next_bio,buf,size));*/
718         for (i=0; i<size-1; ++i)
719         {
720                 ret = ebcdic_read(bp,&buf[i],1);
721                 if (ret <= 0)
722                         break;
723                 else if (buf[i] == '\n')
724                 {
725                         ++i;
726                         break;
727                 }
728         }
729         if (i < size)
730                 buf[i] = '\0';
731         return (ret < 0 && i == 0) ? ret : i;
732 }
733
734 static int ebcdic_puts(BIO *bp, const char *str)
735 {
736         if (bp->next_bio == NULL) return(0);
737         return ebcdic_write(bp, str, strlen(str));
738 }
739 #endif
740
741 #ifndef OPENSSL_NO_TLSEXT
742
743 /* This is a context that we pass to callbacks */
744 typedef struct tlsextctx_st {
745    char * servername;
746    BIO * biodebug;
747    int extension_error;
748 } tlsextctx;
749
750
751 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
752         {
753         tlsextctx * p = (tlsextctx *) arg;
754         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
755         if (servername && p->biodebug) 
756                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
757         
758         if (!p->servername)
759                 return SSL_TLSEXT_ERR_NOACK;
760         
761         if (servername)
762                 {
763                 if (strcmp(servername,p->servername)) 
764                         return p->extension_error;
765                 if (ctx2)
766                         {
767                         BIO_printf(p->biodebug,"Switching server context.\n");
768                         SSL_set_SSL_CTX(s,ctx2);
769                         }     
770                 }
771         return SSL_TLSEXT_ERR_OK;
772 }
773
774 /* Structure passed to cert status callback */
775
776 typedef struct tlsextstatusctx_st {
777    /* Default responder to use */
778    char *host, *path, *port;
779    int use_ssl;
780    int timeout;
781    BIO *err;
782    int verbose;
783 } tlsextstatusctx;
784
785 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
786
787 /* Certificate Status callback. This is called when a client includes a
788  * certificate status request extension.
789  *
790  * This is a simplified version. It examines certificates each time and
791  * makes one OCSP responder query for each request.
792  *
793  * A full version would store details such as the OCSP certificate IDs and
794  * minimise the number of OCSP responses by caching them until they were
795  * considered "expired".
796  */
797
798 static int cert_status_cb(SSL *s, void *arg)
799         {
800         tlsextstatusctx *srctx = arg;
801         BIO *err = srctx->err;
802         char *host, *port, *path;
803         int use_ssl;
804         unsigned char *rspder = NULL;
805         int rspderlen;
806         STACK_OF(OPENSSL_STRING) *aia = NULL;
807         X509 *x = NULL;
808         X509_STORE_CTX inctx;
809         X509_OBJECT obj;
810         OCSP_REQUEST *req = NULL;
811         OCSP_RESPONSE *resp = NULL;
812         OCSP_CERTID *id = NULL;
813         STACK_OF(X509_EXTENSION) *exts;
814         int ret = SSL_TLSEXT_ERR_NOACK;
815         int i;
816 #if 0
817 STACK_OF(OCSP_RESPID) *ids;
818 SSL_get_tlsext_status_ids(s, &ids);
819 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
820 #endif
821         if (srctx->verbose)
822                 BIO_puts(err, "cert_status: callback called\n");
823         /* Build up OCSP query from server certificate */
824         x = SSL_get_certificate(s);
825         aia = X509_get1_ocsp(x);
826         if (aia)
827                 {
828                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
829                         &host, &port, &path, &use_ssl))
830                         {
831                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
832                         goto err;
833                         }
834                 if (srctx->verbose)
835                         BIO_printf(err, "cert_status: AIA URL: %s\n",
836                                         sk_OPENSSL_STRING_value(aia, 0));
837                 }
838         else
839                 {
840                 if (!srctx->host)
841                         {
842                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
843                         goto done;
844                         }
845                 host = srctx->host;
846                 path = srctx->path;
847                 port = srctx->port;
848                 use_ssl = srctx->use_ssl;
849                 }
850                 
851         if (!X509_STORE_CTX_init(&inctx,
852                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
853                                 NULL, NULL))
854                 goto err;
855         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
856                                 X509_get_issuer_name(x),&obj) <= 0)
857                 {
858                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
859                 X509_STORE_CTX_cleanup(&inctx);
860                 goto done;
861                 }
862         req = OCSP_REQUEST_new();
863         if (!req)
864                 goto err;
865         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
866         X509_free(obj.data.x509);
867         X509_STORE_CTX_cleanup(&inctx);
868         if (!id)
869                 goto err;
870         if (!OCSP_request_add0_id(req, id))
871                 goto err;
872         id = NULL;
873         /* Add any extensions to the request */
874         SSL_get_tlsext_status_exts(s, &exts);
875         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
876                 {
877                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
878                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
879                         goto err;
880                 }
881         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
882                                         srctx->timeout);
883         if (!resp)
884                 {
885                 BIO_puts(err, "cert_status: error querying responder\n");
886                 goto done;
887                 }
888         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
889         if (rspderlen <= 0)
890                 goto err;
891         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
892         if (srctx->verbose)
893                 {
894                 BIO_puts(err, "cert_status: ocsp response sent:\n");
895                 OCSP_RESPONSE_print(err, resp, 2);
896                 }
897         ret = SSL_TLSEXT_ERR_OK;
898         done:
899         if (ret != SSL_TLSEXT_ERR_OK)
900                 ERR_print_errors(err);
901         if (aia)
902                 {
903                 OPENSSL_free(host);
904                 OPENSSL_free(path);
905                 OPENSSL_free(port);
906                 X509_email_free(aia);
907                 }
908         if (id)
909                 OCSP_CERTID_free(id);
910         if (req)
911                 OCSP_REQUEST_free(req);
912         if (resp)
913                 OCSP_RESPONSE_free(resp);
914         return ret;
915         err:
916         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
917         goto done;
918         }
919
920 # ifndef OPENSSL_NO_NEXTPROTONEG
921 /* This is the context that we pass to next_proto_cb */
922 typedef struct tlsextnextprotoctx_st {
923         unsigned char *data;
924         unsigned int len;
925 } tlsextnextprotoctx;
926
927 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
928         {
929         tlsextnextprotoctx *next_proto = arg;
930
931         *data = next_proto->data;
932         *len = next_proto->len;
933
934         return SSL_TLSEXT_ERR_OK;
935         }
936 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
937 #endif
938
939 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
940         {
941         /* disable resumption for sessions with forward secure ciphers */
942         return is_forward_secure;
943         }
944
945 int MAIN(int, char **);
946
947 #ifndef OPENSSL_NO_JPAKE
948 static char *jpake_secret = NULL;
949 #endif
950 #ifndef OPENSSL_NO_SRP
951         static srpsrvparm srp_callback_parm;
952 #endif
953 static char *srtp_profiles = NULL;
954
955 int MAIN(int argc, char *argv[])
956         {
957         X509_VERIFY_PARAM *vpm = NULL;
958         int badarg = 0;
959         short port=PORT;
960         char *CApath=NULL,*CAfile=NULL;
961         char *chCApath=NULL,*chCAfile=NULL;
962         char *vfyCApath=NULL,*vfyCAfile=NULL;
963         unsigned char *context = NULL;
964         char *dhfile = NULL;
965 #ifndef OPENSSL_NO_ECDH
966         char *named_curve = NULL;
967 #endif
968         int badop=0,bugs=0;
969         int ret=1;
970         int off=0;
971         unsigned int cert_flags = 0;
972         int build_chain = 0;
973         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
974         int state=0;
975         const SSL_METHOD *meth=NULL;
976         int socket_type=SOCK_STREAM;
977         ENGINE *e=NULL;
978         char *inrand=NULL;
979         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
980         char *passarg = NULL, *pass = NULL;
981         char *dpassarg = NULL, *dpass = NULL;
982         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
983         X509 *s_cert = NULL, *s_dcert = NULL;
984         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
985         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
986         int no_cache = 0, ext_cache = 0;
987         int rev = 0;
988 #ifndef OPENSSL_NO_TLSEXT
989         EVP_PKEY *s_key2 = NULL;
990         X509 *s_cert2 = NULL;
991         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
992 # ifndef OPENSSL_NO_NEXTPROTONEG
993         const char *next_proto_neg_in = NULL;
994         tlsextnextprotoctx next_proto;
995 # endif
996 #endif
997 #ifndef OPENSSL_NO_PSK
998         /* by default do not send a PSK identity hint */
999         static char *psk_identity_hint=NULL;
1000 #endif
1001 #ifndef OPENSSL_NO_SRP
1002         char *srpuserseed = NULL;
1003         char *srp_verifier_file = NULL;
1004 #endif
1005         SSL_EXCERT *exc = NULL;
1006         meth=SSLv23_server_method();
1007
1008         local_argc=argc;
1009         local_argv=argv;
1010
1011         apps_startup();
1012 #ifdef MONOLITH
1013         s_server_init();
1014 #endif
1015
1016         if (bio_err == NULL)
1017                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1018
1019         if (!load_config(bio_err, NULL))
1020                 goto end;
1021
1022         verify_depth=0;
1023 #ifdef FIONBIO
1024         s_nbio=0;
1025 #endif
1026         s_nbio_test=0;
1027
1028         argc--;
1029         argv++;
1030
1031         while (argc >= 1)
1032                 {
1033                 if      ((strcmp(*argv,"-port") == 0) ||
1034                          (strcmp(*argv,"-accept") == 0))
1035                         {
1036                         if (--argc < 1) goto bad;
1037                         if (!extract_port(*(++argv),&port))
1038                                 goto bad;
1039                         }
1040                 else if (strcmp(*argv,"-verify") == 0)
1041                         {
1042                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1043                         if (--argc < 1) goto bad;
1044                         verify_depth=atoi(*(++argv));
1045                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1046                         }
1047                 else if (strcmp(*argv,"-Verify") == 0)
1048                         {
1049                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1050                                 SSL_VERIFY_CLIENT_ONCE;
1051                         if (--argc < 1) goto bad;
1052                         verify_depth=atoi(*(++argv));
1053                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1054                         }
1055                 else if (strcmp(*argv,"-context") == 0)
1056                         {
1057                         if (--argc < 1) goto bad;
1058                         context= (unsigned char *)*(++argv);
1059                         }
1060                 else if (strcmp(*argv,"-cert") == 0)
1061                         {
1062                         if (--argc < 1) goto bad;
1063                         s_cert_file= *(++argv);
1064                         }
1065 #ifndef OPENSSL_NO_TLSEXT
1066                 else if (strcmp(*argv,"-authz") == 0)
1067                         {
1068                         if (--argc < 1) goto bad;
1069                         s_authz_file = *(++argv);
1070                         }
1071 #endif
1072                 else if (strcmp(*argv,"-certform") == 0)
1073                         {
1074                         if (--argc < 1) goto bad;
1075                         s_cert_format = str2fmt(*(++argv));
1076                         }
1077                 else if (strcmp(*argv,"-key") == 0)
1078                         {
1079                         if (--argc < 1) goto bad;
1080                         s_key_file= *(++argv);
1081                         }
1082                 else if (strcmp(*argv,"-keyform") == 0)
1083                         {
1084                         if (--argc < 1) goto bad;
1085                         s_key_format = str2fmt(*(++argv));
1086                         }
1087                 else if (strcmp(*argv,"-pass") == 0)
1088                         {
1089                         if (--argc < 1) goto bad;
1090                         passarg = *(++argv);
1091                         }
1092                 else if (strcmp(*argv,"-cert_chain") == 0)
1093                         {
1094                         if (--argc < 1) goto bad;
1095                         s_chain_file= *(++argv);
1096                         }
1097                 else if (strcmp(*argv,"-dhparam") == 0)
1098                         {
1099                         if (--argc < 1) goto bad;
1100                         dhfile = *(++argv);
1101                         }
1102 #ifndef OPENSSL_NO_ECDH         
1103                 else if (strcmp(*argv,"-named_curve") == 0)
1104                         {
1105                         if (--argc < 1) goto bad;
1106                         named_curve = *(++argv);
1107                         }
1108 #endif
1109                 else if (strcmp(*argv,"-dcertform") == 0)
1110                         {
1111                         if (--argc < 1) goto bad;
1112                         s_dcert_format = str2fmt(*(++argv));
1113                         }
1114                 else if (strcmp(*argv,"-dcert") == 0)
1115                         {
1116                         if (--argc < 1) goto bad;
1117                         s_dcert_file= *(++argv);
1118                         }
1119                 else if (strcmp(*argv,"-dkeyform") == 0)
1120                         {
1121                         if (--argc < 1) goto bad;
1122                         s_dkey_format = str2fmt(*(++argv));
1123                         }
1124                 else if (strcmp(*argv,"-dpass") == 0)
1125                         {
1126                         if (--argc < 1) goto bad;
1127                         dpassarg = *(++argv);
1128                         }
1129                 else if (strcmp(*argv,"-dkey") == 0)
1130                         {
1131                         if (--argc < 1) goto bad;
1132                         s_dkey_file= *(++argv);
1133                         }
1134                 else if (strcmp(*argv,"-dcert_chain") == 0)
1135                         {
1136                         if (--argc < 1) goto bad;
1137                         s_dchain_file= *(++argv);
1138                         }
1139                 else if (strcmp(*argv,"-nocert") == 0)
1140                         {
1141                         nocert=1;
1142                         }
1143                 else if (strcmp(*argv,"-CApath") == 0)
1144                         {
1145                         if (--argc < 1) goto bad;
1146                         CApath= *(++argv);
1147                         }
1148                 else if (strcmp(*argv,"-chainCApath") == 0)
1149                         {
1150                         if (--argc < 1) goto bad;
1151                         chCApath= *(++argv);
1152                         }
1153                 else if (strcmp(*argv,"-verifyCApath") == 0)
1154                         {
1155                         if (--argc < 1) goto bad;
1156                         vfyCApath= *(++argv);
1157                         }
1158                 else if (strcmp(*argv,"-no_cache") == 0)
1159                         no_cache = 1;
1160                 else if (strcmp(*argv,"-ext_cache") == 0)
1161                         ext_cache = 1;
1162                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1163                         {
1164                         if (badarg)
1165                                 goto bad;
1166                         continue;
1167                         }
1168                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1169                         {
1170                         if (badarg)
1171                                 goto bad;
1172                         continue;
1173                         }
1174                 else if (strcmp(*argv,"-verify_return_error") == 0)
1175                         verify_return_error = 1;
1176                 else if (strcmp(*argv,"-verify_quiet") == 0)
1177                         verify_quiet = 1;
1178                 else if (strcmp(*argv,"-serverpref") == 0)
1179                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1180                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1181                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1182                 else if (strcmp(*argv,"-cipher") == 0)
1183                         {
1184                         if (--argc < 1) goto bad;
1185                         cipher= *(++argv);
1186                         }
1187                 else if (strcmp(*argv,"-build_chain") == 0)
1188                         build_chain = 1;
1189                 else if (strcmp(*argv,"-CAfile") == 0)
1190                         {
1191                         if (--argc < 1) goto bad;
1192                         CAfile= *(++argv);
1193                         }
1194                 else if (strcmp(*argv,"-chainCAfile") == 0)
1195                         {
1196                         if (--argc < 1) goto bad;
1197                         chCAfile= *(++argv);
1198                         }
1199                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1200                         {
1201                         if (--argc < 1) goto bad;
1202                         vfyCAfile= *(++argv);
1203                         }
1204 #ifdef FIONBIO  
1205                 else if (strcmp(*argv,"-nbio") == 0)
1206                         { s_nbio=1; }
1207 #endif
1208                 else if (strcmp(*argv,"-nbio_test") == 0)
1209                         {
1210 #ifdef FIONBIO  
1211                         s_nbio=1;
1212 #endif
1213                         s_nbio_test=1;
1214                         }
1215                 else if (strcmp(*argv,"-debug") == 0)
1216                         { s_debug=1; }
1217 #ifndef OPENSSL_NO_TLSEXT
1218                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1219                         s_tlsextdebug=1;
1220                 else if (strcmp(*argv,"-status") == 0)
1221                         s_tlsextstatus=1;
1222                 else if (strcmp(*argv,"-status_verbose") == 0)
1223                         {
1224                         s_tlsextstatus=1;
1225                         tlscstatp.verbose = 1;
1226                         }
1227                 else if (!strcmp(*argv, "-status_timeout"))
1228                         {
1229                         s_tlsextstatus=1;
1230                         if (--argc < 1) goto bad;
1231                         tlscstatp.timeout = atoi(*(++argv));
1232                         }
1233                 else if (!strcmp(*argv, "-status_url"))
1234                         {
1235                         s_tlsextstatus=1;
1236                         if (--argc < 1) goto bad;
1237                         if (!OCSP_parse_url(*(++argv),
1238                                         &tlscstatp.host,
1239                                         &tlscstatp.port,
1240                                         &tlscstatp.path,
1241                                         &tlscstatp.use_ssl))
1242                                 {
1243                                 BIO_printf(bio_err, "Error parsing URL\n");
1244                                 goto bad;
1245                                 }
1246                         }
1247                 else if (strcmp(*argv,"-curves") == 0)
1248                         {
1249                         if (--argc < 1) goto bad;
1250                         curves= *(++argv);
1251                         }
1252                 else if (strcmp(*argv,"-sigalgs") == 0)
1253                         {
1254                         if (--argc < 1) goto bad;
1255                         sigalgs= *(++argv);
1256                         }
1257                 else if (strcmp(*argv,"-client_sigalgs") == 0)
1258                         {
1259                         if (--argc < 1) goto bad;
1260                         client_sigalgs= *(++argv);
1261                         }
1262 #endif
1263                 else if (strcmp(*argv,"-msg") == 0)
1264                         { s_msg=1; }
1265                 else if (strcmp(*argv,"-msgfile") == 0)
1266                         {
1267                         if (--argc < 1) goto bad;
1268                         bio_s_msg = BIO_new_file(*(++argv), "w");
1269                         }
1270 #ifndef OPENSSL_NO_SSL_TRACE
1271                 else if (strcmp(*argv,"-trace") == 0)
1272                         { s_msg=2; }
1273 #endif
1274                 else if (strcmp(*argv,"-hack") == 0)
1275                         { hack=1; }
1276                 else if (strcmp(*argv,"-state") == 0)
1277                         { state=1; }
1278                 else if (strcmp(*argv,"-crlf") == 0)
1279                         { s_crlf=1; }
1280                 else if (strcmp(*argv,"-quiet") == 0)
1281                         { s_quiet=1; }
1282                 else if (strcmp(*argv,"-brief") == 0)
1283                         {
1284                         s_quiet=1;
1285                         s_brief=1;
1286                         verify_quiet=1;
1287                         }
1288                 else if (strcmp(*argv,"-bugs") == 0)
1289                         { bugs=1; }
1290                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1291                         { no_tmp_rsa=1; }
1292                 else if (strcmp(*argv,"-no_dhe") == 0)
1293                         { no_dhe=1; }
1294                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1295                         { no_ecdhe=1; }
1296                 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1297                         { no_resume_ephemeral = 1; }
1298 #ifndef OPENSSL_NO_PSK
1299                 else if (strcmp(*argv,"-psk_hint") == 0)
1300                         {
1301                         if (--argc < 1) goto bad;
1302                         psk_identity_hint= *(++argv);
1303                         }
1304                 else if (strcmp(*argv,"-psk") == 0)
1305                         {
1306                         size_t i;
1307
1308                         if (--argc < 1) goto bad;
1309                         psk_key=*(++argv);
1310                         for (i=0; i<strlen(psk_key); i++)
1311                                 {
1312                                 if (isxdigit((unsigned char)psk_key[i]))
1313                                         continue;
1314                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1315                                 goto bad;
1316                                 }
1317                         }
1318 #endif
1319 #ifndef OPENSSL_NO_SRP
1320                 else if (strcmp(*argv, "-srpvfile") == 0)
1321                         {
1322                         if (--argc < 1) goto bad;
1323                         srp_verifier_file = *(++argv);
1324                         meth = TLSv1_server_method();
1325                         }
1326                 else if (strcmp(*argv, "-srpuserseed") == 0)
1327                         {
1328                         if (--argc < 1) goto bad;
1329                         srpuserseed = *(++argv);
1330                         meth = TLSv1_server_method();
1331                         }
1332 #endif
1333                 else if (strcmp(*argv,"-rev") == 0)
1334                         { rev=1; }
1335                 else if (strcmp(*argv,"-www") == 0)
1336                         { www=1; }
1337                 else if (strcmp(*argv,"-WWW") == 0)
1338                         { www=2; }
1339                 else if (strcmp(*argv,"-HTTP") == 0)
1340                         { www=3; }
1341                 else if (strcmp(*argv,"-no_ssl2") == 0)
1342                         { off|=SSL_OP_NO_SSLv2; }
1343                 else if (strcmp(*argv,"-no_ssl3") == 0)
1344                         { off|=SSL_OP_NO_SSLv3; }
1345                 else if (strcmp(*argv,"-no_tls1") == 0)
1346                         { off|=SSL_OP_NO_TLSv1; }
1347                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1348                         { off|=SSL_OP_NO_TLSv1_1; }
1349                 else if (strcmp(*argv,"-no_tls1_2") == 0)
1350                         { off|=SSL_OP_NO_TLSv1_2; }
1351                 else if (strcmp(*argv,"-no_comp") == 0)
1352                         { off|=SSL_OP_NO_COMPRESSION; }
1353 #ifndef OPENSSL_NO_TLSEXT
1354                 else if (strcmp(*argv,"-no_ticket") == 0)
1355                         { off|=SSL_OP_NO_TICKET; }
1356 #endif
1357 #ifndef OPENSSL_NO_SSL2
1358                 else if (strcmp(*argv,"-ssl2") == 0)
1359                         { meth=SSLv2_server_method(); }
1360 #endif
1361 #ifndef OPENSSL_NO_SSL3
1362                 else if (strcmp(*argv,"-ssl3") == 0)
1363                         { meth=SSLv3_server_method(); }
1364 #endif
1365 #ifndef OPENSSL_NO_TLS1
1366                 else if (strcmp(*argv,"-tls1") == 0)
1367                         { meth=TLSv1_server_method(); }
1368                 else if (strcmp(*argv,"-tls1_1") == 0)
1369                         { meth=TLSv1_1_server_method(); }
1370                 else if (strcmp(*argv,"-tls1_2") == 0)
1371                         { meth=TLSv1_2_server_method(); }
1372 #endif
1373 #ifndef OPENSSL_NO_DTLS1
1374                 else if (strcmp(*argv,"-dtls1") == 0)
1375                         { 
1376                         meth=DTLSv1_server_method();
1377                         socket_type = SOCK_DGRAM;
1378                         }
1379                 else if (strcmp(*argv,"-timeout") == 0)
1380                         enable_timeouts = 1;
1381                 else if (strcmp(*argv,"-mtu") == 0)
1382                         {
1383                         if (--argc < 1) goto bad;
1384                         socket_mtu = atol(*(++argv));
1385                         }
1386                 else if (strcmp(*argv, "-chain") == 0)
1387                         cert_chain = 1;
1388 #endif
1389                 else if (strcmp(*argv, "-id_prefix") == 0)
1390                         {
1391                         if (--argc < 1) goto bad;
1392                         session_id_prefix = *(++argv);
1393                         }
1394 #ifndef OPENSSL_NO_ENGINE
1395                 else if (strcmp(*argv,"-engine") == 0)
1396                         {
1397                         if (--argc < 1) goto bad;
1398                         engine_id= *(++argv);
1399                         }
1400 #endif
1401                 else if (strcmp(*argv,"-rand") == 0)
1402                         {
1403                         if (--argc < 1) goto bad;
1404                         inrand= *(++argv);
1405                         }
1406 #ifndef OPENSSL_NO_TLSEXT
1407                 else if (strcmp(*argv,"-servername") == 0)
1408                         {
1409                         if (--argc < 1) goto bad;
1410                         tlsextcbp.servername= *(++argv);
1411                         }
1412                 else if (strcmp(*argv,"-servername_fatal") == 0)
1413                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1414                 else if (strcmp(*argv,"-cert2") == 0)
1415                         {
1416                         if (--argc < 1) goto bad;
1417                         s_cert_file2= *(++argv);
1418                         }
1419                 else if (strcmp(*argv,"-key2") == 0)
1420                         {
1421                         if (--argc < 1) goto bad;
1422                         s_key_file2= *(++argv);
1423                         }
1424 # ifndef OPENSSL_NO_NEXTPROTONEG
1425                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1426                         {
1427                         if (--argc < 1) goto bad;
1428                         next_proto_neg_in = *(++argv);
1429                         }
1430 # endif
1431 #endif
1432 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1433                 else if (strcmp(*argv,"-jpake") == 0)
1434                         {
1435                         if (--argc < 1) goto bad;
1436                         jpake_secret = *(++argv);
1437                         }
1438 #endif
1439                 else if (strcmp(*argv,"-use_srtp") == 0)
1440                         {
1441                         if (--argc < 1) goto bad;
1442                         srtp_profiles = *(++argv);
1443                         }
1444                 else if (strcmp(*argv,"-keymatexport") == 0)
1445                         {
1446                         if (--argc < 1) goto bad;
1447                         keymatexportlabel= *(++argv);
1448                         }
1449                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1450                         {
1451                         if (--argc < 1) goto bad;
1452                         keymatexportlen=atoi(*(++argv));
1453                         if (keymatexportlen == 0) goto bad;
1454                         }
1455                 else if (strcmp(*argv, "-cert_strict") == 0)
1456                         cert_flags |= SSL_CERT_FLAG_TLS_STRICT;
1457 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
1458                 else if (strcmp(*argv, "-debug_broken_protocol") == 0)
1459                         cert_flags |= SSL_CERT_FLAG_BROKEN_PROTCOL;
1460 #endif
1461                 else
1462                         {
1463                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1464                         badop=1;
1465                         break;
1466                         }
1467                 argc--;
1468                 argv++;
1469                 }
1470         if (badop)
1471                 {
1472 bad:
1473                 sv_usage();
1474                 goto end;
1475                 }
1476
1477 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1478         if (jpake_secret)
1479                 {
1480                 if (psk_key)
1481                         {
1482                         BIO_printf(bio_err,
1483                                    "Can't use JPAKE and PSK together\n");
1484                         goto end;
1485                         }
1486                 psk_identity = "JPAKE";
1487                 if (cipher)
1488                         {
1489                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1490                         goto end;
1491                         }
1492                 cipher = "PSK";
1493                 }
1494
1495 #endif
1496
1497         SSL_load_error_strings();
1498         OpenSSL_add_ssl_algorithms();
1499
1500 #ifndef OPENSSL_NO_ENGINE
1501         e = setup_engine(bio_err, engine_id, 1);
1502 #endif
1503
1504         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1505                 {
1506                 BIO_printf(bio_err, "Error getting password\n");
1507                 goto end;
1508                 }
1509
1510
1511         if (s_key_file == NULL)
1512                 s_key_file = s_cert_file;
1513 #ifndef OPENSSL_NO_TLSEXT
1514         if (s_key_file2 == NULL)
1515                 s_key_file2 = s_cert_file2;
1516 #endif
1517
1518         if (!load_excert(&exc, bio_err))
1519                 goto end;
1520
1521         if (nocert == 0)
1522                 {
1523                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1524                        "server certificate private key file");
1525                 if (!s_key)
1526                         {
1527                         ERR_print_errors(bio_err);
1528                         goto end;
1529                         }
1530
1531                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1532                         NULL, e, "server certificate file");
1533
1534                 if (!s_cert)
1535                         {
1536                         ERR_print_errors(bio_err);
1537                         goto end;
1538                         }
1539                 if (s_chain_file)
1540                         {
1541                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1542                                         NULL, e, "server certificate chain");
1543                         if (!s_chain)
1544                                 goto end;
1545                         }
1546
1547 #ifndef OPENSSL_NO_TLSEXT
1548                 if (tlsextcbp.servername) 
1549                         {
1550                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1551                                 "second server certificate private key file");
1552                         if (!s_key2)
1553                                 {
1554                                 ERR_print_errors(bio_err);
1555                                 goto end;
1556                                 }
1557                         
1558                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1559                                 NULL, e, "second server certificate file");
1560                         
1561                         if (!s_cert2)
1562                                 {
1563                                 ERR_print_errors(bio_err);
1564                                 goto end;
1565                                 }
1566                         }
1567 #endif /* OPENSSL_NO_TLSEXT */
1568                 }
1569
1570 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 
1571         if (next_proto_neg_in)
1572                 {
1573                 unsigned short len;
1574                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1575                 if (next_proto.data == NULL)
1576                         goto end;
1577                 next_proto.len = len;
1578                 }
1579         else
1580                 {
1581                 next_proto.data = NULL;
1582                 }
1583 #endif
1584
1585
1586         if (s_dcert_file)
1587                 {
1588
1589                 if (s_dkey_file == NULL)
1590                         s_dkey_file = s_dcert_file;
1591
1592                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1593                                 0, dpass, e,
1594                                "second certificate private key file");
1595                 if (!s_dkey)
1596                         {
1597                         ERR_print_errors(bio_err);
1598                         goto end;
1599                         }
1600
1601                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1602                                 NULL, e, "second server certificate file");
1603
1604                 if (!s_dcert)
1605                         {
1606                         ERR_print_errors(bio_err);
1607                         goto end;
1608                         }
1609                 if (s_dchain_file)
1610                         {
1611                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1612                                 NULL, e, "second server certificate chain");
1613                         if (!s_dchain)
1614                                 goto end;
1615                         }
1616
1617                 }
1618
1619         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1620                 && !RAND_status())
1621                 {
1622                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1623                 }
1624         if (inrand != NULL)
1625                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1626                         app_RAND_load_files(inrand));
1627
1628         if (bio_s_out == NULL)
1629                 {
1630                 if (s_quiet && !s_debug && !s_msg)
1631                         {
1632                         bio_s_out=BIO_new(BIO_s_null());
1633                         }
1634                 else
1635                         {
1636                         if (bio_s_out == NULL)
1637                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1638                         }
1639                 }
1640
1641 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1642         if (nocert)
1643 #endif
1644                 {
1645                 s_cert_file=NULL;
1646                 s_key_file=NULL;
1647                 s_dcert_file=NULL;
1648                 s_dkey_file=NULL;
1649 #ifndef OPENSSL_NO_TLSEXT
1650                 s_cert_file2=NULL;
1651                 s_key_file2=NULL;
1652 #endif
1653                 }
1654
1655         ctx=SSL_CTX_new(meth);
1656         if (ctx == NULL)
1657                 {
1658                 ERR_print_errors(bio_err);
1659                 goto end;
1660                 }
1661         if (session_id_prefix)
1662                 {
1663                 if(strlen(session_id_prefix) >= 32)
1664                         BIO_printf(bio_err,
1665 "warning: id_prefix is too long, only one new session will be possible\n");
1666                 else if(strlen(session_id_prefix) >= 16)
1667                         BIO_printf(bio_err,
1668 "warning: id_prefix is too long if you use SSLv2\n");
1669                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1670                         {
1671                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1672                         ERR_print_errors(bio_err);
1673                         goto end;
1674                         }
1675                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1676                 }
1677         SSL_CTX_set_quiet_shutdown(ctx,1);
1678         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1679         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1680         SSL_CTX_set_options(ctx,off);
1681         if (cert_flags) SSL_CTX_set_cert_flags(ctx, cert_flags);
1682         if (exc) ssl_ctx_set_excert(ctx, exc);
1683         /* DTLS: partial reads end up discarding unread UDP bytes :-( 
1684          * Setting read ahead solves this problem.
1685          */
1686         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1687
1688         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1689         if (no_cache)
1690                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1691         else if (ext_cache)
1692                 init_session_cache_ctx(ctx);
1693         else
1694                 SSL_CTX_sess_set_cache_size(ctx,128);
1695
1696         if (srtp_profiles != NULL)
1697                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1698
1699 #if 0
1700         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1701 #endif
1702
1703 #if 0
1704         if (s_cert_file == NULL)
1705                 {
1706                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1707                 goto end;
1708                 }
1709 #endif
1710
1711         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1712                 (!SSL_CTX_set_default_verify_paths(ctx)))
1713                 {
1714                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1715                 ERR_print_errors(bio_err);
1716                 /* goto end; */
1717                 }
1718         if (vpm)
1719                 SSL_CTX_set1_param(ctx, vpm);
1720
1721         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile))
1722                 {
1723                 BIO_printf(bio_err, "Error loading store locations\n");
1724                 ERR_print_errors(bio_err);
1725                 goto end;
1726                 }
1727
1728 #ifndef OPENSSL_NO_TLSEXT
1729         if (s_cert2)
1730                 {
1731                 ctx2=SSL_CTX_new(meth);
1732                 if (ctx2 == NULL)
1733                         {
1734                         ERR_print_errors(bio_err);
1735                         goto end;
1736                         }
1737                 }
1738         
1739         if (ctx2)
1740                 {
1741                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1742
1743                 if (session_id_prefix)
1744                         {
1745                         if(strlen(session_id_prefix) >= 32)
1746                                 BIO_printf(bio_err,
1747                                         "warning: id_prefix is too long, only one new session will be possible\n");
1748                         else if(strlen(session_id_prefix) >= 16)
1749                                 BIO_printf(bio_err,
1750                                         "warning: id_prefix is too long if you use SSLv2\n");
1751                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1752                                 {
1753                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1754                                 ERR_print_errors(bio_err);
1755                                 goto end;
1756                                 }
1757                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1758                         }
1759                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1760                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1761                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1762                 SSL_CTX_set_options(ctx2,off);
1763                 if (cert_flags) SSL_CTX_set_cert_flags(ctx2, cert_flags);
1764                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1765                 /* DTLS: partial reads end up discarding unread UDP bytes :-( 
1766                  * Setting read ahead solves this problem.
1767                  */
1768                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1769
1770                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1771
1772                 if (no_cache)
1773                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1774                 else if (ext_cache)
1775                         init_session_cache_ctx(ctx2);
1776                 else
1777                         SSL_CTX_sess_set_cache_size(ctx2,128);
1778
1779                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1780                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1781                         {
1782                         ERR_print_errors(bio_err);
1783                         }
1784                 if (vpm)
1785                         SSL_CTX_set1_param(ctx2, vpm);
1786                 }
1787
1788 # ifndef OPENSSL_NO_NEXTPROTONEG
1789         if (next_proto.data)
1790                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1791 # endif
1792 #endif 
1793
1794 #ifndef OPENSSL_NO_DH
1795         if (!no_dhe)
1796                 {
1797                 DH *dh=NULL;
1798
1799                 if (dhfile)
1800                         dh = load_dh_param(dhfile);
1801                 else if (s_cert_file)
1802                         dh = load_dh_param(s_cert_file);
1803
1804                 if (dh != NULL)
1805                         {
1806                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1807                         }
1808                 else
1809                         {
1810                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1811                         dh=get_dh512();
1812                         }
1813                 (void)BIO_flush(bio_s_out);
1814
1815                 SSL_CTX_set_tmp_dh(ctx,dh);
1816 #ifndef OPENSSL_NO_TLSEXT
1817                 if (ctx2)
1818                         {
1819                         if (!dhfile)
1820                                 { 
1821                                 DH *dh2=load_dh_param(s_cert_file2);
1822                                 if (dh2 != NULL)
1823                                         {
1824                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1825                                         (void)BIO_flush(bio_s_out);
1826
1827                                         DH_free(dh);
1828                                         dh = dh2;
1829                                         }
1830                                 }
1831                         SSL_CTX_set_tmp_dh(ctx2,dh);
1832                         }
1833 #endif
1834                 DH_free(dh);
1835                 }
1836 #endif
1837
1838 #ifndef OPENSSL_NO_ECDH
1839         if (!no_ecdhe)
1840                 {
1841                 EC_KEY *ecdh=NULL;
1842
1843                 if (named_curve && strcmp(named_curve, "auto"))
1844                         {
1845                         int nid = EC_curve_nist2nid(named_curve);
1846                         if (nid == NID_undef)
1847                                 nid = OBJ_sn2nid(named_curve);
1848                         if (nid == 0)
1849                                 {
1850                                 BIO_printf(bio_err, "unknown curve name (%s)\n", 
1851                                         named_curve);
1852                                 goto end;
1853                                 }
1854                         ecdh = EC_KEY_new_by_curve_name(nid);
1855                         if (ecdh == NULL)
1856                                 {
1857                                 BIO_printf(bio_err, "unable to create curve (%s)\n", 
1858                                         named_curve);
1859                                 goto end;
1860                                 }
1861                         }
1862
1863                 if (ecdh != NULL)
1864                         {
1865                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1866                         }
1867                 else if (named_curve)
1868                         SSL_CTX_set_ecdh_auto(ctx, 1);
1869                 else
1870                         {
1871                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1872                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1873                         if (ecdh == NULL) 
1874                                 {
1875                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1876                                 goto end;
1877                                 }
1878                         }
1879                 (void)BIO_flush(bio_s_out);
1880
1881                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1882 #ifndef OPENSSL_NO_TLSEXT
1883                 if (ctx2) 
1884                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1885 #endif
1886                 EC_KEY_free(ecdh);
1887                 }
1888 #endif
1889         
1890         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1891                 goto end;
1892 #ifndef OPENSSL_NO_TLSEXT
1893         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1894                 goto end;
1895 #endif
1896 #ifndef OPENSSL_NO_TLSEXT
1897         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1898                 goto end; 
1899 #endif
1900         if (s_dcert != NULL)
1901                 {
1902                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1903                         goto end;
1904                 }
1905
1906 #ifndef OPENSSL_NO_RSA
1907 #if 1
1908         if (!no_tmp_rsa)
1909                 {
1910                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1911 #ifndef OPENSSL_NO_TLSEXT
1912                 if (ctx2) 
1913                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1914 #endif          
1915                 }
1916 #else
1917         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1918                 {
1919                 RSA *rsa;
1920
1921                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1922                 BIO_flush(bio_s_out);
1923
1924                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1925
1926                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1927                         {
1928                         ERR_print_errors(bio_err);
1929                         goto end;
1930                         }
1931 #ifndef OPENSSL_NO_TLSEXT
1932                         if (ctx2)
1933                                 {
1934                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1935                                         {
1936                                         ERR_print_errors(bio_err);
1937                                         goto end;
1938                                         }
1939                                 }
1940 #endif
1941                 RSA_free(rsa);
1942                 BIO_printf(bio_s_out,"\n");
1943                 }
1944 #endif
1945 #endif
1946
1947         if (no_resume_ephemeral)
1948                 {
1949                 SSL_CTX_set_not_resumable_session_callback(ctx, not_resumable_sess_cb);
1950 #ifndef OPENSSL_NO_TLSEXT
1951                 if (ctx2)
1952                         SSL_CTX_set_not_resumable_session_callback(ctx2, not_resumable_sess_cb);
1953 #endif
1954                 }
1955
1956 #ifndef OPENSSL_NO_PSK
1957 #ifdef OPENSSL_NO_JPAKE
1958         if (psk_key != NULL)
1959 #else
1960         if (psk_key != NULL || jpake_secret)
1961 #endif
1962                 {
1963                 if (s_debug)
1964                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1965                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1966                 }
1967
1968         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1969                 {
1970                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1971                 ERR_print_errors(bio_err);
1972                 goto end;
1973                 }
1974 #endif
1975
1976         if (cipher != NULL)
1977                 {
1978                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1979                         {
1980                         BIO_printf(bio_err,"error setting cipher list\n");
1981                         ERR_print_errors(bio_err);
1982                         goto end;
1983                         }
1984 #ifndef OPENSSL_NO_TLSEXT
1985                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1986                         {
1987                         BIO_printf(bio_err,"error setting cipher list\n");
1988                         ERR_print_errors(bio_err);
1989                         goto end;
1990                         }
1991 #endif
1992                 }
1993 #ifndef OPENSSL_NO_TLSEXT
1994         if (curves)
1995                 {
1996                 if(!SSL_CTX_set1_curves_list(ctx,curves))
1997                         {
1998                         BIO_printf(bio_err,"error setting curves list\n");
1999                         ERR_print_errors(bio_err);
2000                         goto end;
2001                         }
2002                 if(ctx2 && !SSL_CTX_set1_curves_list(ctx2,curves))
2003                         {
2004                         BIO_printf(bio_err,"error setting curves list\n");
2005                         ERR_print_errors(bio_err);
2006                         goto end;
2007                         }
2008                 }
2009         if (sigalgs)
2010                 {
2011                 if(!SSL_CTX_set1_sigalgs_list(ctx,sigalgs))
2012                         {
2013                         BIO_printf(bio_err,"error setting signature algorithms\n");
2014                         ERR_print_errors(bio_err);
2015                         goto end;
2016                         }
2017                 if(ctx2 && !SSL_CTX_set1_sigalgs_list(ctx2,sigalgs))
2018                         {
2019                         BIO_printf(bio_err,"error setting signature algorithms\n");
2020                         ERR_print_errors(bio_err);
2021                         goto end;
2022                         }
2023                 }
2024         if (client_sigalgs)
2025                 {
2026                 if(!SSL_CTX_set1_client_sigalgs_list(ctx,client_sigalgs))
2027                         {
2028                         BIO_printf(bio_err,"error setting client signature algorithms\n");
2029                         ERR_print_errors(bio_err);
2030                         goto end;
2031                         }
2032                 if(ctx2 && !SSL_CTX_set1_client_sigalgs_list(ctx2,client_sigalgs))
2033                         {
2034                         BIO_printf(bio_err,"error setting client signature algorithms\n");
2035                         ERR_print_errors(bio_err);
2036                         goto end;
2037                         }
2038                 }
2039 #endif
2040         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
2041         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
2042                 sizeof s_server_session_id_context);
2043
2044         /* Set DTLS cookie generation and verification callbacks */
2045         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2046         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2047
2048 #ifndef OPENSSL_NO_TLSEXT
2049         if (ctx2)
2050                 {
2051                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
2052                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
2053                         sizeof s_server_session_id_context);
2054
2055                 tlsextcbp.biodebug = bio_s_out;
2056                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2057                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2058                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2059                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2060                 }
2061 #endif
2062
2063 #ifndef OPENSSL_NO_SRP
2064         if (srp_verifier_file != NULL)
2065                 {
2066                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2067                 srp_callback_parm.user = NULL;
2068                 srp_callback_parm.login = NULL;
2069                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
2070                         {
2071                         BIO_printf(bio_err,
2072                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2073                                    srp_verifier_file, ret);
2074                                 goto end;
2075                         }
2076                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
2077                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);                        
2078                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2079                 }
2080         else
2081 #endif
2082         if (CAfile != NULL)
2083                 {
2084                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
2085 #ifndef OPENSSL_NO_TLSEXT
2086                 if (ctx2) 
2087                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
2088 #endif
2089                 }
2090
2091         BIO_printf(bio_s_out,"ACCEPT\n");
2092         (void)BIO_flush(bio_s_out);
2093         if (rev)
2094                 do_server(port,socket_type,&accept_socket,rev_body, context);
2095         else if (www)
2096                 do_server(port,socket_type,&accept_socket,www_body, context);
2097         else
2098                 do_server(port,socket_type,&accept_socket,sv_body, context);
2099         print_stats(bio_s_out,ctx);
2100         ret=0;
2101 end:
2102         if (ctx != NULL) SSL_CTX_free(ctx);
2103         if (s_cert)
2104                 X509_free(s_cert);
2105         if (s_dcert)
2106                 X509_free(s_dcert);
2107         if (s_key)
2108                 EVP_PKEY_free(s_key);
2109         if (s_dkey)
2110                 EVP_PKEY_free(s_dkey);
2111         if (s_chain)
2112                 sk_X509_pop_free(s_chain, X509_free);
2113         if (s_dchain)
2114                 sk_X509_pop_free(s_dchain, X509_free);
2115         if (pass)
2116                 OPENSSL_free(pass);
2117         if (dpass)
2118                 OPENSSL_free(dpass);
2119         free_sessions();
2120 #ifndef OPENSSL_NO_TLSEXT
2121         if (tlscstatp.host)
2122                 OPENSSL_free(tlscstatp.host);
2123         if (tlscstatp.port)
2124                 OPENSSL_free(tlscstatp.port);
2125         if (tlscstatp.path)
2126                 OPENSSL_free(tlscstatp.path);
2127         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2128         if (s_cert2)
2129                 X509_free(s_cert2);
2130         if (s_key2)
2131                 EVP_PKEY_free(s_key2);
2132         if (authz_in != NULL)
2133                 BIO_free(authz_in);
2134 #endif
2135         ssl_excert_free(exc);
2136         if (bio_s_out != NULL)
2137                 {
2138         BIO_free(bio_s_out);
2139                 bio_s_out=NULL;
2140                 }
2141         if (bio_s_msg != NULL)
2142                 {
2143                 BIO_free(bio_s_msg);
2144                 bio_s_msg = NULL;
2145                 }
2146         apps_shutdown();
2147         OPENSSL_EXIT(ret);
2148         }
2149
2150 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2151         {
2152         BIO_printf(bio,"%4ld items in the session cache\n",
2153                 SSL_CTX_sess_number(ssl_ctx));
2154         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2155                 SSL_CTX_sess_connect(ssl_ctx));
2156         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2157                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2158         BIO_printf(bio,"%4ld client connects that finished\n",
2159                 SSL_CTX_sess_connect_good(ssl_ctx));
2160         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2161                 SSL_CTX_sess_accept(ssl_ctx));
2162         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2163                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2164         BIO_printf(bio,"%4ld server accepts that finished\n",
2165                 SSL_CTX_sess_accept_good(ssl_ctx));
2166         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2167         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2168         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2169         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2170         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2171                 SSL_CTX_sess_cache_full(ssl_ctx),
2172                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2173         }
2174
2175 static int sv_body(char *hostname, int s, unsigned char *context)
2176         {
2177         char *buf=NULL;
2178         fd_set readfds;
2179         int ret=1,width;
2180         int k,i;
2181         unsigned long l;
2182         SSL *con=NULL;
2183         BIO *sbio;
2184 #ifndef OPENSSL_NO_KRB5
2185         KSSL_CTX *kctx;
2186 #endif
2187         struct timeval timeout;
2188 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2189         struct timeval tv;
2190 #else
2191         struct timeval *timeoutp;
2192 #endif
2193
2194         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2195                 {
2196                 BIO_printf(bio_err,"out of memory\n");
2197                 goto err;
2198                 }
2199 #ifdef FIONBIO  
2200         if (s_nbio)
2201                 {
2202                 unsigned long sl=1;
2203
2204                 if (!s_quiet)
2205                         BIO_printf(bio_err,"turning on non blocking io\n");
2206                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2207                         ERR_print_errors(bio_err);
2208                 }
2209 #endif
2210
2211         if (con == NULL) {
2212                 con=SSL_new(ctx);
2213 #ifndef OPENSSL_NO_TLSEXT
2214         if (s_tlsextdebug)
2215                 {
2216                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2217                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2218                 }
2219         if (s_tlsextstatus)
2220                 {
2221                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2222                 tlscstatp.err = bio_err;
2223                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2224                 }
2225 #endif
2226 #ifndef OPENSSL_NO_KRB5
2227                 if ((kctx = kssl_ctx_new()) != NULL)
2228                         {
2229                         SSL_set0_kssl_ctx(con, kctx);
2230                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2231                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2232                         }
2233 #endif  /* OPENSSL_NO_KRB5 */
2234                 if(context)
2235                       SSL_set_session_id_context(con, context,
2236                                                  strlen((char *)context));
2237         }
2238         SSL_clear(con);
2239 #if 0
2240 #ifdef TLSEXT_TYPE_opaque_prf_input
2241         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2242 #endif
2243 #endif
2244
2245         if (SSL_version(con) == DTLS1_VERSION)
2246                 {
2247
2248                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2249
2250                 if (enable_timeouts)
2251                         {
2252                         timeout.tv_sec = 0;
2253                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2254                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2255                         
2256                         timeout.tv_sec = 0;
2257                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2258                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2259                         }
2260
2261                 if (socket_mtu > 28)
2262                         {
2263                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2264                         SSL_set_mtu(con, socket_mtu - 28);
2265                         }
2266                 else
2267                         /* want to do MTU discovery */
2268                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2269
2270         /* turn on cookie exchange */
2271         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2272                 }
2273         else
2274                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2275
2276         if (s_nbio_test)
2277                 {
2278                 BIO *test;
2279
2280                 test=BIO_new(BIO_f_nbio_test());
2281                 sbio=BIO_push(test,sbio);
2282                 }
2283 #ifndef OPENSSL_NO_JPAKE
2284         if(jpake_secret)
2285                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2286 #endif
2287
2288         SSL_set_bio(con,sbio,sbio);
2289         SSL_set_accept_state(con);
2290         /* SSL_set_fd(con,s); */
2291
2292         if (s_debug)
2293                 {
2294                 SSL_set_debug(con, 1);
2295                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2296                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2297                 }
2298         if (s_msg)
2299                 {
2300 #ifndef OPENSSL_NO_SSL_TRACE
2301                 if (s_msg == 2)
2302                         SSL_set_msg_callback(con, SSL_trace);
2303                 else
2304 #endif
2305                         SSL_set_msg_callback(con, msg_cb);
2306                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2307                 }
2308 #ifndef OPENSSL_NO_TLSEXT
2309         if (s_tlsextdebug)
2310                 {
2311                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2312                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2313                 }
2314 #endif
2315
2316         width=s+1;
2317         for (;;)
2318                 {
2319                 int read_from_terminal;
2320                 int read_from_sslcon;
2321
2322                 read_from_terminal = 0;
2323                 read_from_sslcon = SSL_pending(con);
2324
2325                 if (!read_from_sslcon)
2326                         {
2327                         FD_ZERO(&readfds);
2328 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2329                         openssl_fdset(fileno(stdin),&readfds);
2330 #endif
2331                         openssl_fdset(s,&readfds);
2332                         /* Note: under VMS with SOCKETSHR the second parameter is
2333                          * currently of type (int *) whereas under other systems
2334                          * it is (void *) if you don't have a cast it will choke
2335                          * the compiler: if you do have a cast then you can either
2336                          * go for (int *) or (void *).
2337                          */
2338 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2339                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2340                          * on sockets. As a workaround we timeout the select every
2341                          * second and check for any keypress. In a proper Windows
2342                          * application we wouldn't do this because it is inefficient.
2343                          */
2344                         tv.tv_sec = 1;
2345                         tv.tv_usec = 0;
2346                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2347                         if((i < 0) || (!i && !_kbhit() ) )continue;
2348                         if(_kbhit())
2349                                 read_from_terminal = 1;
2350 #elif defined(OPENSSL_SYS_BEOS_R5)
2351                         /* Under BeOS-R5 the situation is similar to DOS */
2352                         tv.tv_sec = 1;
2353                         tv.tv_usec = 0;
2354                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2355                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2356                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2357                                 continue;
2358                         if (read(fileno(stdin), buf, 0) >= 0)
2359                                 read_from_terminal = 1;
2360                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2361 #else
2362                         if ((SSL_version(con) == DTLS1_VERSION) &&
2363                                 DTLSv1_get_timeout(con, &timeout))
2364                                 timeoutp = &timeout;
2365                         else
2366                                 timeoutp = NULL;
2367
2368                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2369
2370                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2371                                 {
2372                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2373                                 }
2374
2375                         if (i <= 0) continue;
2376                         if (FD_ISSET(fileno(stdin),&readfds))
2377                                 read_from_terminal = 1;
2378 #endif
2379                         if (FD_ISSET(s,&readfds))
2380                                 read_from_sslcon = 1;
2381                         }
2382                 if (read_from_terminal)
2383                         {
2384                         if (s_crlf)
2385                                 {
2386                                 int j, lf_num;
2387
2388                                 i=raw_read_stdin(buf, bufsize/2);
2389                                 lf_num = 0;
2390                                 /* both loops are skipped when i <= 0 */
2391                                 for (j = 0; j < i; j++)
2392                                         if (buf[j] == '\n')
2393                                                 lf_num++;
2394                                 for (j = i-1; j >= 0; j--)
2395                                         {
2396                                         buf[j+lf_num] = buf[j];
2397                                         if (buf[j] == '\n')
2398                                                 {
2399                                                 lf_num--;
2400                                                 i++;
2401                                                 buf[j+lf_num] = '\r';
2402                                                 }
2403                                         }
2404                                 assert(lf_num == 0);
2405                                 }
2406                         else
2407                                 i=raw_read_stdin(buf,bufsize);
2408                         if (!s_quiet && !s_brief)
2409                                 {
2410                                 if ((i <= 0) || (buf[0] == 'Q'))
2411                                         {
2412                                         BIO_printf(bio_s_out,"DONE\n");
2413                                         SHUTDOWN(s);
2414                                         close_accept_socket();
2415                                         ret= -11;
2416                                         goto err;
2417                                         }
2418                                 if ((i <= 0) || (buf[0] == 'q'))
2419                                         {
2420                                         BIO_printf(bio_s_out,"DONE\n");
2421                                         if (SSL_version(con) != DTLS1_VERSION)
2422                         SHUTDOWN(s);
2423         /*                              close_accept_socket();
2424                                         ret= -11;*/
2425                                         goto err;
2426                                         }
2427
2428 #ifndef OPENSSL_NO_HEARTBEATS
2429                                 if ((buf[0] == 'B') &&
2430                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2431                                         {
2432                                         BIO_printf(bio_err,"HEARTBEATING\n");
2433                                         SSL_heartbeat(con);
2434                                         i=0;
2435                                         continue;
2436                                         }
2437 #endif
2438                                 if ((buf[0] == 'r') && 
2439                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2440                                         {
2441                                         SSL_renegotiate(con);
2442                                         i=SSL_do_handshake(con);
2443                                         printf("SSL_do_handshake -> %d\n",i);
2444                                         i=0; /*13; */
2445                                         continue;
2446                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2447                                         }
2448                                 if ((buf[0] == 'R') &&
2449                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2450                                         {
2451                                         SSL_set_verify(con,
2452                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2453                                         SSL_renegotiate(con);
2454                                         i=SSL_do_handshake(con);
2455                                         printf("SSL_do_handshake -> %d\n",i);
2456                                         i=0; /* 13; */
2457                                         continue;
2458                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2459                                         }
2460                                 if (buf[0] == 'P')
2461                                         {
2462                                         static const char *str="Lets print some clear text\n";
2463                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2464                                         }
2465                                 if (buf[0] == 'S')
2466                                         {
2467                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2468                                         }
2469                                 }
2470 #ifdef CHARSET_EBCDIC
2471                         ebcdic2ascii(buf,buf,i);
2472 #endif
2473                         l=k=0;
2474                         for (;;)
2475                                 {
2476                                 /* should do a select for the write */
2477 #ifdef RENEG
2478 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2479 #endif
2480                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2481 #ifndef OPENSSL_NO_SRP
2482                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2483                                         {
2484                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2485                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2486                                         if (srp_callback_parm.user) 
2487                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2488                                         else 
2489                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2490                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2491                                         }
2492 #endif
2493                                 switch (SSL_get_error(con,k))
2494                                         {
2495                                 case SSL_ERROR_NONE:
2496                                         break;
2497                                 case SSL_ERROR_WANT_WRITE:
2498                                 case SSL_ERROR_WANT_READ:
2499                                 case SSL_ERROR_WANT_X509_LOOKUP:
2500                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2501                                         break;
2502                                 case SSL_ERROR_SYSCALL:
2503                                 case SSL_ERROR_SSL:
2504                                         BIO_printf(bio_s_out,"ERROR\n");
2505                                         ERR_print_errors(bio_err);
2506                                         ret=1;
2507                                         goto err;
2508                                         /* break; */
2509                                 case SSL_ERROR_ZERO_RETURN:
2510                                         BIO_printf(bio_s_out,"DONE\n");
2511                                         ret=1;
2512                                         goto err;
2513                                         }
2514                                 l+=k;
2515                                 i-=k;
2516                                 if (i <= 0) break;
2517                                 }
2518                         }
2519                 if (read_from_sslcon)
2520                         {
2521                         if (!SSL_is_init_finished(con))
2522                                 {
2523                                 i=init_ssl_connection(con);
2524                                 
2525                                 if (i < 0)
2526                                         {
2527                                         ret=0;
2528                                         goto err;
2529                                         }
2530                                 else if (i == 0)
2531                                         {
2532                                         ret=1;
2533                                         goto err;
2534                                         }
2535                                 }
2536                         else
2537                                 {
2538 again:  
2539                                 i=SSL_read(con,(char *)buf,bufsize);
2540 #ifndef OPENSSL_NO_SRP
2541                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2542                                         {
2543                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2544                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2545                                         if (srp_callback_parm.user) 
2546                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2547                                         else 
2548                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2549                                         i=SSL_read(con,(char *)buf,bufsize);
2550                                         }
2551 #endif
2552                                 switch (SSL_get_error(con,i))
2553                                         {
2554                                 case SSL_ERROR_NONE:
2555 #ifdef CHARSET_EBCDIC
2556                                         ascii2ebcdic(buf,buf,i);
2557 #endif
2558                                         raw_write_stdout(buf,
2559                                                 (unsigned int)i);
2560                                         if (SSL_pending(con)) goto again;
2561                                         break;
2562                                 case SSL_ERROR_WANT_WRITE:
2563                                 case SSL_ERROR_WANT_READ:
2564                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2565                                         break;
2566                                 case SSL_ERROR_SYSCALL:
2567                                 case SSL_ERROR_SSL:
2568                                         BIO_printf(bio_s_out,"ERROR\n");
2569                                         ERR_print_errors(bio_err);
2570                                         ret=1;
2571                                         goto err;
2572                                 case SSL_ERROR_ZERO_RETURN:
2573                                         BIO_printf(bio_s_out,"DONE\n");
2574                                         ret=1;
2575                                         goto err;
2576                                         }
2577                                 }
2578                         }
2579                 }
2580 err:
2581         if (con != NULL)
2582                 {
2583                 BIO_printf(bio_s_out,"shutting down SSL\n");
2584 #if 1
2585                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2586 #else
2587                 SSL_shutdown(con);
2588 #endif
2589                 SSL_free(con);
2590                 }
2591         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2592         if (buf != NULL)
2593                 {
2594                 OPENSSL_cleanse(buf,bufsize);
2595                 OPENSSL_free(buf);
2596                 }
2597         if (ret >= 0)
2598                 BIO_printf(bio_s_out,"ACCEPT\n");
2599         return(ret);
2600         }
2601
2602 static void close_accept_socket(void)
2603         {
2604         BIO_printf(bio_err,"shutdown accept socket\n");
2605         if (accept_socket >= 0)
2606                 {
2607                 SHUTDOWN2(accept_socket);
2608                 }
2609         }
2610
2611 static int init_ssl_connection(SSL *con)
2612         {
2613         int i;
2614         const char *str;
2615         X509 *peer;
2616         long verify_error;
2617         MS_STATIC char buf[BUFSIZ];
2618 #ifndef OPENSSL_NO_KRB5
2619         char *client_princ;
2620 #endif
2621 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2622         const unsigned char *next_proto_neg;
2623         unsigned next_proto_neg_len;
2624 #endif
2625         unsigned char *exportedkeymat;
2626
2627
2628         i=SSL_accept(con);
2629 #ifndef OPENSSL_NO_SRP
2630         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 
2631                 {
2632                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2633                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2634                         if (srp_callback_parm.user) 
2635                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2636                         else 
2637                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2638                         i=SSL_accept(con);
2639                 }
2640 #endif
2641         if (i <= 0)
2642                 {
2643                 if (BIO_sock_should_retry(i))
2644                         {
2645                         BIO_printf(bio_s_out,"DELAY\n");
2646                         return(1);
2647                         }
2648
2649                 BIO_printf(bio_err,"ERROR\n");
2650                 verify_error=SSL_get_verify_result(con);
2651                 if (verify_error != X509_V_OK)
2652                         {
2653                         BIO_printf(bio_err,"verify error:%s\n",
2654                                 X509_verify_cert_error_string(verify_error));
2655                         }
2656                 /* Always print any error messages */
2657                 ERR_print_errors(bio_err);
2658                 return(0);
2659                 }
2660
2661         if (s_brief)
2662                 print_ssl_summary(bio_err, con);
2663
2664         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2665
2666         peer=SSL_get_peer_certificate(con);
2667         if (peer != NULL)
2668                 {
2669                 BIO_printf(bio_s_out,"Client certificate\n");
2670                 PEM_write_bio_X509(bio_s_out,peer);
2671                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2672                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2673                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2674                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2675                 X509_free(peer);
2676                 }
2677
2678         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2679                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2680         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2681         ssl_print_sigalgs(bio_s_out, con);
2682         ssl_print_curves(bio_s_out, con, 0);
2683         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2684
2685 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2686         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2687         if (next_proto_neg)
2688                 {
2689                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2690                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2691                 BIO_printf(bio_s_out, "\n");
2692                 }
2693 #endif
2694         {
2695         SRTP_PROTECTION_PROFILE *srtp_profile
2696           = SSL_get_selected_srtp_profile(con);
2697
2698         if(srtp_profile)
2699                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2700                            srtp_profile->name);
2701         }
2702         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2703         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2704                 TLS1_FLAGS_TLS_PADDING_BUG)
2705                 BIO_printf(bio_s_out,
2706                            "Peer has incorrect TLSv1 block padding\n");
2707 #ifndef OPENSSL_NO_KRB5
2708         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2709         if (client_princ != NULL)
2710                 {
2711                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2712                                                                 client_princ);
2713                 }
2714 #endif /* OPENSSL_NO_KRB5 */
2715         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2716                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2717         if (keymatexportlabel != NULL)
2718                 {
2719                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2720                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2721                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2722                            keymatexportlen);
2723                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2724                 if (exportedkeymat != NULL)
2725                         {
2726                         if (!SSL_export_keying_material(con, exportedkeymat,
2727                                                         keymatexportlen,
2728                                                         keymatexportlabel,
2729                                                         strlen(keymatexportlabel),
2730                                                         NULL, 0, 0))
2731                                 {
2732                                 BIO_printf(bio_s_out, "    Error\n");
2733                                 }
2734                         else
2735                                 {
2736                                 BIO_printf(bio_s_out, "    Keying material: ");
2737                                 for (i=0; i<keymatexportlen; i++)
2738                                         BIO_printf(bio_s_out, "%02X",
2739                                                    exportedkeymat[i]);
2740                                 BIO_printf(bio_s_out, "\n");
2741                                 }
2742                         OPENSSL_free(exportedkeymat);
2743                         }
2744                 }
2745
2746         return(1);
2747         }
2748
2749 #ifndef OPENSSL_NO_DH
2750 static DH *load_dh_param(const char *dhfile)
2751         {
2752         DH *ret=NULL;
2753         BIO *bio;
2754
2755         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2756                 goto err;
2757         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2758 err:
2759         if (bio != NULL) BIO_free(bio);
2760         return(ret);
2761         }
2762 #endif
2763
2764 #if 0
2765 static int load_CA(SSL_CTX *ctx, char *file)
2766         {
2767         FILE *in;
2768         X509 *x=NULL;
2769
2770         if ((in=fopen(file,"r")) == NULL)
2771                 return(0);
2772
2773         for (;;)
2774                 {
2775                 if (PEM_read_X509(in,&x,NULL) == NULL)
2776                         break;
2777                 SSL_CTX_add_client_CA(ctx,x);
2778                 }
2779         if (x != NULL) X509_free(x);
2780         fclose(in);
2781         return(1);
2782         }
2783 #endif
2784
2785 static int www_body(char *hostname, int s, unsigned char *context)
2786         {
2787         char *buf=NULL;
2788         int ret=1;
2789         int i,j,k,dot;
2790         SSL *con;
2791         const SSL_CIPHER *c;
2792         BIO *io,*ssl_bio,*sbio;
2793 #ifndef OPENSSL_NO_KRB5
2794         KSSL_CTX *kctx;
2795 #endif
2796
2797         buf=OPENSSL_malloc(bufsize);
2798         if (buf == NULL) return(0);
2799         io=BIO_new(BIO_f_buffer());
2800         ssl_bio=BIO_new(BIO_f_ssl());
2801         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2802
2803 #ifdef FIONBIO  
2804         if (s_nbio)
2805                 {
2806                 unsigned long sl=1;
2807
2808                 if (!s_quiet)
2809                         BIO_printf(bio_err,"turning on non blocking io\n");
2810                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2811                         ERR_print_errors(bio_err);
2812                 }
2813 #endif
2814
2815         /* lets make the output buffer a reasonable size */
2816         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2817
2818         if ((con=SSL_new(ctx)) == NULL) goto err;
2819 #ifndef OPENSSL_NO_TLSEXT
2820                 if (s_tlsextdebug)
2821                         {
2822                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2823                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2824                         }
2825 #endif
2826 #ifndef OPENSSL_NO_KRB5
2827         if ((kctx = kssl_ctx_new()) != NULL)
2828                 {
2829                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2830                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2831                 }
2832 #endif  /* OPENSSL_NO_KRB5 */
2833         if(context) SSL_set_session_id_context(con, context,
2834                                                strlen((char *)context));
2835
2836         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2837         if (s_nbio_test)
2838                 {
2839                 BIO *test;
2840
2841                 test=BIO_new(BIO_f_nbio_test());
2842                 sbio=BIO_push(test,sbio);
2843                 }
2844         SSL_set_bio(con,sbio,sbio);
2845         SSL_set_accept_state(con);
2846
2847         /* SSL_set_fd(con,s); */
2848         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2849         BIO_push(io,ssl_bio);
2850 #ifdef CHARSET_EBCDIC
2851         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2852 #endif
2853
2854         if (s_debug)
2855                 {
2856                 SSL_set_debug(con, 1);
2857                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2858                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2859                 }
2860         if (s_msg)
2861                 {
2862 #ifndef OPENSSL_NO_SSL_TRACE
2863                 if (s_msg == 2)
2864                         SSL_set_msg_callback(con, SSL_trace);
2865                 else
2866 #endif
2867                         SSL_set_msg_callback(con, msg_cb);
2868                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2869                 }
2870
2871         for (;;)
2872                 {
2873                 if (hack)
2874                         {
2875                         i=SSL_accept(con);
2876 #ifndef OPENSSL_NO_SRP
2877                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 
2878                 {
2879                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2880                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2881                         if (srp_callback_parm.user) 
2882                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2883                         else 
2884                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2885                         i=SSL_accept(con);
2886                 }
2887 #endif
2888                         switch (SSL_get_error(con,i))
2889                                 {
2890                         case SSL_ERROR_NONE:
2891                                 break;
2892                         case SSL_ERROR_WANT_WRITE:
2893                         case SSL_ERROR_WANT_READ:
2894                         case SSL_ERROR_WANT_X509_LOOKUP:
2895                                 continue;
2896                         case SSL_ERROR_SYSCALL:
2897                         case SSL_ERROR_SSL:
2898                         case SSL_ERROR_ZERO_RETURN:
2899                                 ret=1;
2900                                 goto err;
2901                                 /* break; */
2902                                 }
2903
2904                         SSL_renegotiate(con);
2905                         SSL_write(con,NULL,0);
2906                         }
2907
2908                 i=BIO_gets(io,buf,bufsize-1);
2909                 if (i < 0) /* error */
2910                         {
2911                         if (!BIO_should_retry(io))
2912                                 {
2913                                 if (!s_quiet)
2914                                         ERR_print_errors(bio_err);
2915                                 goto err;
2916                                 }
2917                         else
2918                                 {
2919                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2920 #if defined(OPENSSL_SYS_NETWARE)
2921             delay(1000);
2922 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2923                                 sleep(1);
2924 #endif
2925                                 continue;
2926                                 }
2927                         }
2928                 else if (i == 0) /* end of input */
2929                         {
2930                         ret=1;
2931                         goto end;
2932                         }
2933
2934                 /* else we have data */
2935                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2936                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2937                         {
2938                         char *p;
2939                         X509 *peer;
2940                         STACK_OF(SSL_CIPHER) *sk;
2941                         static const char *space="                          ";
2942
2943                 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0)
2944                         {
2945                         if (strncmp("GET /renegcert", buf, 14) == 0)
2946                                 SSL_set_verify(con,
2947                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2948                         i=SSL_renegotiate(con);
2949                         BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n",i);
2950                         i=SSL_do_handshake(con);
2951                         if (i <= 0)
2952                                 {
2953                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2954                                 ERR_print_errors(bio_err);
2955                                 goto err;
2956                                 }
2957                         /* EVIL HACK! */
2958                         SSL_set_state(con, SSL_ST_ACCEPT);
2959                         i=SSL_do_handshake(con);
2960                         BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n",i);
2961                         if (i <= 0)
2962                                 {
2963                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2964                                 ERR_print_errors(bio_err);
2965                                 goto err;
2966                                 }
2967                         }
2968
2969                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2970                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2971                         BIO_puts(io,"<pre>\n");
2972 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2973                         BIO_puts(io,"\n");
2974                         for (i=0; i<local_argc; i++)
2975                                 {
2976                                 BIO_puts(io,local_argv[i]);
2977                                 BIO_write(io," ",1);
2978                                 }
2979                         BIO_puts(io,"\n");
2980
2981                         BIO_printf(io,
2982                                 "Secure Renegotiation IS%s supported\n",
2983                                 SSL_get_secure_renegotiation_support(con) ?
2984                                                         "" : " NOT");
2985
2986                         /* The following is evil and should not really
2987                          * be done */
2988                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2989                         sk=SSL_get_ciphers(con);
2990                         j=sk_SSL_CIPHER_num(sk);
2991                         for (i=0; i<j; i++)
2992                                 {
2993                                 c=sk_SSL_CIPHER_value(sk,i);
2994                                 BIO_printf(io,"%-11s:%-25s",
2995                                         SSL_CIPHER_get_version(c),
2996                                         SSL_CIPHER_get_name(c));
2997                                 if ((((i+1)%2) == 0) && (i+1 != j))
2998                                         BIO_puts(io,"\n");
2999                                 }
3000                         BIO_puts(io,"\n");
3001                         p=SSL_get_shared_ciphers(con,buf,bufsize);
3002                         if (p != NULL)
3003                                 {
3004                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
3005                                 j=i=0;
3006                                 while (*p)
3007                                         {
3008                                         if (*p == ':')
3009                                                 {
3010                                                 BIO_write(io,space,26-j);
3011                                                 i++;
3012                                                 j=0;
3013                                                 BIO_write(io,((i%3)?" ":"\n"),1);
3014                                                 }
3015                                         else
3016                                                 {
3017                                                 BIO_write(io,p,1);
3018                                                 j++;
3019                                                 }
3020                                         p++;
3021                                         }
3022                                 BIO_puts(io,"\n");
3023                                 }
3024                         ssl_print_sigalgs(io, con);
3025                         ssl_print_curves(io, con, 0);
3026                         BIO_printf(io,(SSL_cache_hit(con)
3027                                 ?"---\nReused, "
3028                                 :"---\nNew, "));
3029                         c=SSL_get_current_cipher(con);
3030                         BIO_printf(io,"%s, Cipher is %s\n",
3031                                 SSL_CIPHER_get_version(c),
3032                                 SSL_CIPHER_get_name(c));
3033                         SSL_SESSION_print(io,SSL_get_session(con));
3034                         BIO_printf(io,"---\n");
3035                         print_stats(io,SSL_get_SSL_CTX(con));
3036                         BIO_printf(io,"---\n");
3037                         peer=SSL_get_peer_certificate(con);
3038                         if (peer != NULL)
3039                                 {
3040                                 BIO_printf(io,"Client certificate\n");
3041                                 X509_print(io,peer);
3042                                 PEM_write_bio_X509(io,peer);
3043                                 }
3044                         else
3045                                 BIO_puts(io,"no client certificate available\n");
3046                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
3047                         break;
3048                         }
3049                 else if ((www == 2 || www == 3)
3050                          && (strncmp("GET /",buf,5) == 0))
3051                         {
3052                         BIO *file;
3053                         char *p,*e;
3054                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3055
3056                         /* skip the '/' */
3057                         p= &(buf[5]);
3058
3059                         dot = 1;
3060                         for (e=p; *e != '\0'; e++)
3061                                 {
3062                                 if (e[0] == ' ')
3063                                         break;
3064
3065                                 switch (dot)
3066                                         {
3067                                 case 1:
3068                                         dot = (e[0] == '.') ? 2 : 0;
3069                                         break;
3070                                 case 2:
3071                                         dot = (e[0] == '.') ? 3 : 0;
3072                                         break;
3073                                 case 3:
3074                                         dot = (e[0] == '/') ? -1 : 0;
3075                                         break;
3076                                         }
3077                                 if (dot == 0)
3078                                         dot = (e[0] == '/') ? 1 : 0;
3079                                 }
3080                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
3081
3082                         if (*e == '\0')
3083                                 {
3084                                 BIO_puts(io,text);
3085                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
3086                                 break;
3087                                 }
3088                         *e='\0';
3089
3090                         if (dot)
3091                                 {
3092                                 BIO_puts(io,text);
3093                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
3094                                 break;
3095                                 }
3096
3097                         if (*p == '/')
3098                                 {
3099                                 BIO_puts(io,text);
3100                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
3101                                 break;
3102                                 }
3103
3104 #if 0
3105                         /* append if a directory lookup */
3106                         if (e[-1] == '/')
3107                                 strcat(p,"index.html");
3108 #endif
3109
3110                         /* if a directory, do the index thang */
3111                         if (app_isdir(p)>0)
3112                                 {
3113 #if 0 /* must check buffer size */
3114                                 strcat(p,"/index.html");
3115 #else
3116                                 BIO_puts(io,text);
3117                                 BIO_printf(io,"'%s' is a directory\r\n",p);
3118                                 break;
3119 #endif
3120                                 }
3121
3122                         if ((file=BIO_new_file(p,"r")) == NULL)
3123                                 {
3124                                 BIO_puts(io,text);
3125                                 BIO_printf(io,"Error opening '%s'\r\n",p);
3126                                 ERR_print_errors(io);
3127                                 break;
3128                                 }
3129
3130                         if (!s_quiet)
3131                                 BIO_printf(bio_err,"FILE:%s\n",p);
3132
3133                         if (www == 2)
3134                                 {
3135            &nb