Version skew reduction: trivia (I hope).
[openssl.git] / apps / s_server.c
1 /* apps/s_server.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  * 
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  * 
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  * 
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from 
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  * 
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  * 
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58 /* ====================================================================
59  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
60  *
61  * Redistribution and use in source and binary forms, with or without
62  * modification, are permitted provided that the following conditions
63  * are met:
64  *
65  * 1. Redistributions of source code must retain the above copyright
66  *    notice, this list of conditions and the following disclaimer. 
67  *
68  * 2. Redistributions in binary form must reproduce the above copyright
69  *    notice, this list of conditions and the following disclaimer in
70  *    the documentation and/or other materials provided with the
71  *    distribution.
72  *
73  * 3. All advertising materials mentioning features or use of this
74  *    software must display the following acknowledgment:
75  *    "This product includes software developed by the OpenSSL Project
76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77  *
78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79  *    endorse or promote products derived from this software without
80  *    prior written permission. For written permission, please contact
81  *    openssl-core@openssl.org.
82  *
83  * 5. Products derived from this software may not be called "OpenSSL"
84  *    nor may "OpenSSL" appear in their names without prior written
85  *    permission of the OpenSSL Project.
86  *
87  * 6. Redistributions of any form whatsoever must retain the following
88  *    acknowledgment:
89  *    "This product includes software developed by the OpenSSL Project
90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91  *
92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103  * OF THE POSSIBILITY OF SUCH DAMAGE.
104  * ====================================================================
105  *
106  * This product includes cryptographic software written by Eric Young
107  * (eay@cryptsoft.com).  This product includes software written by Tim
108  * Hudson (tjh@cryptsoft.com).
109  *
110  */
111 /* ====================================================================
112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113  * ECC cipher suite support in OpenSSL originally developed by 
114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115  */
116 /* ====================================================================
117  * Copyright 2005 Nokia. All rights reserved.
118  *
119  * The portions of the attached software ("Contribution") is developed by
120  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
121  * license.
122  *
123  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
124  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
125  * support (see RFC 4279) to OpenSSL.
126  *
127  * No patent licenses or other rights except those expressly stated in
128  * the OpenSSL open source license shall be deemed granted or received
129  * expressly, by implication, estoppel, or otherwise.
130  *
131  * No assurances are provided by Nokia that the Contribution does not
132  * infringe the patent or other intellectual property rights of any third
133  * party or that the license provides you with all the necessary rights
134  * to make use of the Contribution.
135  *
136  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
137  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
138  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
139  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
140  * OTHERWISE.
141  */
142
143 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
144  * deprecated functions for openssl-internal code */
145 #ifdef OPENSSL_NO_DEPRECATED
146 #undef OPENSSL_NO_DEPRECATED
147 #endif
148
149 #include <assert.h>
150 #include <ctype.h>
151 #include <stdio.h>
152 #include <stdlib.h>
153 #include <string.h>
154
155 #include <openssl/e_os2.h>
156 #ifdef OPENSSL_NO_STDIO
157 #define APPS_WIN16
158 #endif
159
160 #if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
161 #include <sys/types.h>
162 #endif
163
164 /* With IPv6, it looks like Digital has mixed up the proper order of
165    recursive header file inclusion, resulting in the compiler complaining
166    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
167    is needed to have fileno() declared correctly...  So let's define u_int */
168 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
169 #define __U_INT
170 typedef unsigned int u_int;
171 #endif
172
173 #include <openssl/lhash.h>
174 #include <openssl/bn.h>
175 #define USE_SOCKETS
176 #include "apps.h"
177 #include <openssl/err.h>
178 #include <openssl/pem.h>
179 #include <openssl/x509.h>
180 #include <openssl/ssl.h>
181 #include <openssl/rand.h>
182 #include <openssl/ocsp.h>
183 #ifndef OPENSSL_NO_DH
184 #include <openssl/dh.h>
185 #endif
186 #ifndef OPENSSL_NO_RSA
187 #include <openssl/rsa.h>
188 #endif
189 #ifndef OPENSSL_NO_SRP
190 #include <openssl/srp.h>
191 #endif
192 #include "s_apps.h"
193 #include "timeouts.h"
194
195 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
196 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
197 #undef FIONBIO
198 #endif
199
200 #if defined(OPENSSL_SYS_BEOS_R5)
201 #include <fcntl.h>
202 #endif
203
204 #ifndef OPENSSL_NO_RSA
205 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
206 #endif
207 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
208 static int sv_body(char *hostname, int s, unsigned char *context);
209 static int www_body(char *hostname, int s, unsigned char *context);
210 static void close_accept_socket(void );
211 static void sv_usage(void);
212 static int init_ssl_connection(SSL *s);
213 static void print_stats(BIO *bp,SSL_CTX *ctx);
214 static int generate_session_id(const SSL *ssl, unsigned char *id,
215                                 unsigned int *id_len);
216 static void init_session_cache_ctx(SSL_CTX *sctx);
217 static void free_sessions(void);
218 #ifndef OPENSSL_NO_DH
219 static DH *load_dh_param(const char *dhfile);
220 static DH *get_dh512(void);
221 #endif
222
223 #ifdef MONOLITH
224 static void s_server_init(void);
225 #endif
226
227 #ifndef OPENSSL_NO_DH
228 static unsigned char dh512_p[]={
229         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
230         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
231         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
232         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
233         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
234         0x47,0x74,0xE8,0x33,
235         };
236 static unsigned char dh512_g[]={
237         0x02,
238         };
239
240 static DH *get_dh512(void)
241         {
242         DH *dh=NULL;
243
244         if ((dh=DH_new()) == NULL) return(NULL);
245         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
246         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
247         if ((dh->p == NULL) || (dh->g == NULL))
248                 return(NULL);
249         return(dh);
250         }
251 #endif
252
253
254 /* static int load_CA(SSL_CTX *ctx, char *file);*/
255
256 #undef BUFSIZZ
257 #define BUFSIZZ 16*1024
258 static int bufsize=BUFSIZZ;
259 static int accept_socket= -1;
260
261 #define TEST_CERT       "server.pem"
262 #ifndef OPENSSL_NO_TLSEXT
263 #define TEST_CERT2      "server2.pem"
264 #endif
265 #undef PROG
266 #define PROG            s_server_main
267
268 extern int verify_depth, verify_return_error;
269
270 static char *cipher=NULL;
271 static int s_server_verify=SSL_VERIFY_NONE;
272 static int s_server_session_id_context = 1; /* anything will do */
273 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
274 #ifndef OPENSSL_NO_TLSEXT
275 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
276 static char *curves=NULL;
277 #endif
278 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
279 #ifdef FIONBIO
280 static int s_nbio=0;
281 #endif
282 static int s_nbio_test=0;
283 int s_crlf=0;
284 static SSL_CTX *ctx=NULL;
285 #ifndef OPENSSL_NO_TLSEXT
286 static SSL_CTX *ctx2=NULL;
287 #endif
288 static int www=0;
289
290 static BIO *bio_s_out=NULL;
291 static int s_debug=0;
292 #ifndef OPENSSL_NO_TLSEXT
293 static int s_tlsextdebug=0;
294 static int s_tlsextstatus=0;
295 static int cert_status_cb(SSL *s, void *arg);
296 #endif
297 static int no_resume_ephemeral = 0;
298 static int s_msg=0;
299 static int s_quiet=0;
300
301 static char *keymatexportlabel=NULL;
302 static int keymatexportlen=20;
303
304 static int hack=0;
305 #ifndef OPENSSL_NO_ENGINE
306 static char *engine_id=NULL;
307 #endif
308 static const char *session_id_prefix=NULL;
309
310 static int enable_timeouts = 0;
311 static long socket_mtu;
312 #ifndef OPENSSL_NO_DTLS1
313 static int cert_chain = 0;
314 #endif
315
316 #ifndef OPENSSL_NO_TLSEXT
317 static BIO *authz_in = NULL;
318 static const char *s_authz_file = NULL;
319 static unsigned char *authz = NULL;
320 static size_t authz_length;
321 #endif
322
323 #ifndef OPENSSL_NO_PSK
324 static char *psk_identity="Client_identity";
325 char *psk_key=NULL; /* by default PSK is not used */
326
327 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
328         unsigned char *psk, unsigned int max_psk_len)
329         {
330         unsigned int psk_len = 0;
331         int ret;
332         BIGNUM *bn = NULL;
333
334         if (s_debug)
335                 BIO_printf(bio_s_out,"psk_server_cb\n");
336         if (!identity)
337                 {
338                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
339                 goto out_err;
340                 }
341         if (s_debug)
342                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
343                         identity ? (int)strlen(identity) : 0, identity);
344
345         /* here we could lookup the given identity e.g. from a database */
346         if (strcmp(identity, psk_identity) != 0)
347                 {
348                 BIO_printf(bio_s_out, "PSK error: client identity not found"
349                            " (got '%s' expected '%s')\n", identity,
350                            psk_identity);
351                 goto out_err;
352                 }
353         if (s_debug)
354                 BIO_printf(bio_s_out, "PSK client identity found\n");
355
356         /* convert the PSK key to binary */
357         ret = BN_hex2bn(&bn, psk_key);
358         if (!ret)
359                 {
360                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
361                 if (bn)
362                         BN_free(bn);
363                 return 0;
364                 }
365         if (BN_num_bytes(bn) > (int)max_psk_len)
366                 {
367                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
368                         max_psk_len, BN_num_bytes(bn));
369                 BN_free(bn);
370                 return 0;
371                 }
372
373         ret = BN_bn2bin(bn, psk);
374         BN_free(bn);
375
376         if (ret < 0)
377                 goto out_err;
378         psk_len = (unsigned int)ret;
379
380         if (s_debug)
381                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
382         return psk_len;
383  out_err:
384         if (s_debug)
385                 BIO_printf(bio_err, "Error in PSK server callback\n");
386         return 0;
387         }
388 #endif
389
390 #ifndef OPENSSL_NO_SRP
391 /* This is a context that we pass to callbacks */
392 typedef struct srpsrvparm_st
393         {
394         char *login;
395         SRP_VBASE *vb;
396         SRP_user_pwd *user;
397         } srpsrvparm;
398
399 /* This callback pretends to require some asynchronous logic in order to obtain
400    a verifier. When the callback is called for a new connection we return
401    with a negative value. This will provoke the accept etc to return with
402    an LOOKUP_X509. The main logic of the reinvokes the suspended call 
403    (which would normally occur after a worker has finished) and we
404    set the user parameters. 
405 */
406 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
407         {
408         srpsrvparm *p = (srpsrvparm *)arg;
409         if (p->login == NULL && p->user == NULL )
410                 {
411                 p->login = SSL_get_srp_username(s);
412                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
413                 return (-1) ;
414                 }
415
416         if (p->user == NULL)
417                 {
418                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
419                 return SSL3_AL_FATAL;
420                 }
421         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
422                                      p->user->info) < 0)
423                 {
424                 *ad = SSL_AD_INTERNAL_ERROR;
425                 return SSL3_AL_FATAL;
426                 }
427         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
428         /* need to check whether there are memory leaks */
429         p->user = NULL;
430         p->login = NULL;
431         return SSL_ERROR_NONE;
432         }
433
434 #endif
435
436 #ifdef MONOLITH
437 static void s_server_init(void)
438         {
439         accept_socket=-1;
440         cipher=NULL;
441         s_server_verify=SSL_VERIFY_NONE;
442         s_dcert_file=NULL;
443         s_dkey_file=NULL;
444         s_dchain_file=NULL;
445         s_cert_file=TEST_CERT;
446         s_key_file=NULL;
447         s_chain_file=NULL;
448 #ifndef OPENSSL_NO_TLSEXT
449         curves=NULL;
450         s_cert_file2=TEST_CERT2;
451         s_key_file2=NULL;
452         ctx2=NULL;
453 #endif
454 #ifdef FIONBIO
455         s_nbio=0;
456 #endif
457         s_nbio_test=0;
458         ctx=NULL;
459         www=0;
460
461         bio_s_out=NULL;
462         s_debug=0;
463         s_msg=0;
464         s_quiet=0;
465         hack=0;
466 #ifndef OPENSSL_NO_ENGINE
467         engine_id=NULL;
468 #endif
469         }
470 #endif
471
472 static void sv_usage(void)
473         {
474         BIO_printf(bio_err,"usage: s_server [args ...]\n");
475         BIO_printf(bio_err,"\n");
476         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
477         BIO_printf(bio_err," -context arg  - set session ID context\n");
478         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
479         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
480         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
481         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
482         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
483         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
484                            "                 The CRL(s) are appended to the certificate file\n");
485         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
486                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
487                            "                 the certificate file.\n");
488         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
489         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
490         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
491         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
492         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
493         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
494         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
495         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
496         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
497         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
498         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
499         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
500 #ifndef OPENSSL_NO_ECDH
501         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
502                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
503                            "                 (default is nistp256).\n");
504 #endif
505 #ifdef FIONBIO
506         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
507 #endif
508         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
509         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
510         BIO_printf(bio_err," -debug        - Print more output\n");
511         BIO_printf(bio_err," -msg          - Show protocol messages\n");
512         BIO_printf(bio_err," -state        - Print the SSL states\n");
513         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
514         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
515         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
516         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
517         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
518         BIO_printf(bio_err," -quiet        - No server output\n");
519         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
520 #ifndef OPENSSL_NO_PSK
521         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
522         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
523 # ifndef OPENSSL_NO_JPAKE
524         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
525 # endif
526 #endif
527 #ifndef OPENSSL_NO_SRP
528         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
529         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
530 #endif
531         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
532         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
533         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
534         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
535         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
536         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
537         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
538         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
539         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
540         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
541         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
542         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
543         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
544         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
545 #ifndef OPENSSL_NO_DH
546         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
547 #endif
548 #ifndef OPENSSL_NO_ECDH
549         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
550 #endif
551         BIO_printf(bio_err, "-no_resume_ephemeral - Disable caching and tickets if ephemeral (EC)DH is used\n");
552         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
553         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
554         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
555         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
556         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
557 #ifndef OPENSSL_NO_ENGINE
558         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
559 #endif
560         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
561         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
562 #ifndef OPENSSL_NO_TLSEXT
563         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
564         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
565         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
566         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
567         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
568         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
569         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
570         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
571         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
572 # ifndef OPENSSL_NO_NEXTPROTONEG
573         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
574 # endif
575         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
576 #endif
577         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
578         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
579         }
580
581 static int local_argc=0;
582 static char **local_argv;
583
584 #ifdef CHARSET_EBCDIC
585 static int ebcdic_new(BIO *bi);
586 static int ebcdic_free(BIO *a);
587 static int ebcdic_read(BIO *b, char *out, int outl);
588 static int ebcdic_write(BIO *b, const char *in, int inl);
589 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
590 static int ebcdic_gets(BIO *bp, char *buf, int size);
591 static int ebcdic_puts(BIO *bp, const char *str);
592
593 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
594 static BIO_METHOD methods_ebcdic=
595         {
596         BIO_TYPE_EBCDIC_FILTER,
597         "EBCDIC/ASCII filter",
598         ebcdic_write,
599         ebcdic_read,
600         ebcdic_puts,
601         ebcdic_gets,
602         ebcdic_ctrl,
603         ebcdic_new,
604         ebcdic_free,
605         };
606
607 typedef struct
608 {
609         size_t  alloced;
610         char    buff[1];
611 } EBCDIC_OUTBUFF;
612
613 BIO_METHOD *BIO_f_ebcdic_filter()
614 {
615         return(&methods_ebcdic);
616 }
617
618 static int ebcdic_new(BIO *bi)
619 {
620         EBCDIC_OUTBUFF *wbuf;
621
622         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
623         wbuf->alloced = 1024;
624         wbuf->buff[0] = '\0';
625
626         bi->ptr=(char *)wbuf;
627         bi->init=1;
628         bi->flags=0;
629         return(1);
630 }
631
632 static int ebcdic_free(BIO *a)
633 {
634         if (a == NULL) return(0);
635         if (a->ptr != NULL)
636                 OPENSSL_free(a->ptr);
637         a->ptr=NULL;
638         a->init=0;
639         a->flags=0;
640         return(1);
641 }
642         
643 static int ebcdic_read(BIO *b, char *out, int outl)
644 {
645         int ret=0;
646
647         if (out == NULL || outl == 0) return(0);
648         if (b->next_bio == NULL) return(0);
649
650         ret=BIO_read(b->next_bio,out,outl);
651         if (ret > 0)
652                 ascii2ebcdic(out,out,ret);
653         return(ret);
654 }
655
656 static int ebcdic_write(BIO *b, const char *in, int inl)
657 {
658         EBCDIC_OUTBUFF *wbuf;
659         int ret=0;
660         int num;
661         unsigned char n;
662
663         if ((in == NULL) || (inl <= 0)) return(0);
664         if (b->next_bio == NULL) return(0);
665
666         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
667
668         if (inl > (num = wbuf->alloced))
669         {
670                 num = num + num;  /* double the size */
671                 if (num < inl)
672                         num = inl;
673                 OPENSSL_free(wbuf);
674                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
675
676                 wbuf->alloced = num;
677                 wbuf->buff[0] = '\0';
678
679                 b->ptr=(char *)wbuf;
680         }
681
682         ebcdic2ascii(wbuf->buff, in, inl);
683
684         ret=BIO_write(b->next_bio, wbuf->buff, inl);
685
686         return(ret);
687 }
688
689 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
690 {
691         long ret;
692
693         if (b->next_bio == NULL) return(0);
694         switch (cmd)
695         {
696         case BIO_CTRL_DUP:
697                 ret=0L;
698                 break;
699         default:
700                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
701                 break;
702         }
703         return(ret);
704 }
705
706 static int ebcdic_gets(BIO *bp, char *buf, int size)
707 {
708         int i, ret=0;
709         if (bp->next_bio == NULL) return(0);
710 /*      return(BIO_gets(bp->next_bio,buf,size));*/
711         for (i=0; i<size-1; ++i)
712         {
713                 ret = ebcdic_read(bp,&buf[i],1);
714                 if (ret <= 0)
715                         break;
716                 else if (buf[i] == '\n')
717                 {
718                         ++i;
719                         break;
720                 }
721         }
722         if (i < size)
723                 buf[i] = '\0';
724         return (ret < 0 && i == 0) ? ret : i;
725 }
726
727 static int ebcdic_puts(BIO *bp, const char *str)
728 {
729         if (bp->next_bio == NULL) return(0);
730         return ebcdic_write(bp, str, strlen(str));
731 }
732 #endif
733
734 #ifndef OPENSSL_NO_TLSEXT
735
736 /* This is a context that we pass to callbacks */
737 typedef struct tlsextctx_st {
738    char * servername;
739    BIO * biodebug;
740    int extension_error;
741 } tlsextctx;
742
743
744 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
745         {
746         tlsextctx * p = (tlsextctx *) arg;
747         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
748         if (servername && p->biodebug) 
749                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
750         
751         if (!p->servername)
752                 return SSL_TLSEXT_ERR_NOACK;
753         
754         if (servername)
755                 {
756                 if (strcmp(servername,p->servername)) 
757                         return p->extension_error;
758                 if (ctx2)
759                         {
760                         BIO_printf(p->biodebug,"Switching server context.\n");
761                         SSL_set_SSL_CTX(s,ctx2);
762                         }     
763                 }
764         return SSL_TLSEXT_ERR_OK;
765 }
766
767 /* Structure passed to cert status callback */
768
769 typedef struct tlsextstatusctx_st {
770    /* Default responder to use */
771    char *host, *path, *port;
772    int use_ssl;
773    int timeout;
774    BIO *err;
775    int verbose;
776 } tlsextstatusctx;
777
778 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
779
780 /* Certificate Status callback. This is called when a client includes a
781  * certificate status request extension.
782  *
783  * This is a simplified version. It examines certificates each time and
784  * makes one OCSP responder query for each request.
785  *
786  * A full version would store details such as the OCSP certificate IDs and
787  * minimise the number of OCSP responses by caching them until they were
788  * considered "expired".
789  */
790
791 static int cert_status_cb(SSL *s, void *arg)
792         {
793         tlsextstatusctx *srctx = arg;
794         BIO *err = srctx->err;
795         char *host, *port, *path;
796         int use_ssl;
797         unsigned char *rspder = NULL;
798         int rspderlen;
799         STACK_OF(OPENSSL_STRING) *aia = NULL;
800         X509 *x = NULL;
801         X509_STORE_CTX inctx;
802         X509_OBJECT obj;
803         OCSP_REQUEST *req = NULL;
804         OCSP_RESPONSE *resp = NULL;
805         OCSP_CERTID *id = NULL;
806         STACK_OF(X509_EXTENSION) *exts;
807         int ret = SSL_TLSEXT_ERR_NOACK;
808         int i;
809 #if 0
810 STACK_OF(OCSP_RESPID) *ids;
811 SSL_get_tlsext_status_ids(s, &ids);
812 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
813 #endif
814         if (srctx->verbose)
815                 BIO_puts(err, "cert_status: callback called\n");
816         /* Build up OCSP query from server certificate */
817         x = SSL_get_certificate(s);
818         aia = X509_get1_ocsp(x);
819         if (aia)
820                 {
821                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
822                         &host, &port, &path, &use_ssl))
823                         {
824                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
825                         goto err;
826                         }
827                 if (srctx->verbose)
828                         BIO_printf(err, "cert_status: AIA URL: %s\n",
829                                         sk_OPENSSL_STRING_value(aia, 0));
830                 }
831         else
832                 {
833                 if (!srctx->host)
834                         {
835                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
836                         goto done;
837                         }
838                 host = srctx->host;
839                 path = srctx->path;
840                 port = srctx->port;
841                 use_ssl = srctx->use_ssl;
842                 }
843                 
844         if (!X509_STORE_CTX_init(&inctx,
845                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
846                                 NULL, NULL))
847                 goto err;
848         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
849                                 X509_get_issuer_name(x),&obj) <= 0)
850                 {
851                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
852                 X509_STORE_CTX_cleanup(&inctx);
853                 goto done;
854                 }
855         req = OCSP_REQUEST_new();
856         if (!req)
857                 goto err;
858         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
859         X509_free(obj.data.x509);
860         X509_STORE_CTX_cleanup(&inctx);
861         if (!id)
862                 goto err;
863         if (!OCSP_request_add0_id(req, id))
864                 goto err;
865         id = NULL;
866         /* Add any extensions to the request */
867         SSL_get_tlsext_status_exts(s, &exts);
868         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
869                 {
870                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
871                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
872                         goto err;
873                 }
874         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
875                                         srctx->timeout);
876         if (!resp)
877                 {
878                 BIO_puts(err, "cert_status: error querying responder\n");
879                 goto done;
880                 }
881         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
882         if (rspderlen <= 0)
883                 goto err;
884         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
885         if (srctx->verbose)
886                 {
887                 BIO_puts(err, "cert_status: ocsp response sent:\n");
888                 OCSP_RESPONSE_print(err, resp, 2);
889                 }
890         ret = SSL_TLSEXT_ERR_OK;
891         done:
892         if (ret != SSL_TLSEXT_ERR_OK)
893                 ERR_print_errors(err);
894         if (aia)
895                 {
896                 OPENSSL_free(host);
897                 OPENSSL_free(path);
898                 OPENSSL_free(port);
899                 X509_email_free(aia);
900                 }
901         if (id)
902                 OCSP_CERTID_free(id);
903         if (req)
904                 OCSP_REQUEST_free(req);
905         if (resp)
906                 OCSP_RESPONSE_free(resp);
907         return ret;
908         err:
909         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
910         goto done;
911         }
912
913 # ifndef OPENSSL_NO_NEXTPROTONEG
914 /* This is the context that we pass to next_proto_cb */
915 typedef struct tlsextnextprotoctx_st {
916         unsigned char *data;
917         unsigned int len;
918 } tlsextnextprotoctx;
919
920 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
921         {
922         tlsextnextprotoctx *next_proto = arg;
923
924         *data = next_proto->data;
925         *len = next_proto->len;
926
927         return SSL_TLSEXT_ERR_OK;
928         }
929 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
930 #endif
931
932 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
933         {
934         /* disable resumption for sessions with forward secure ciphers */
935         return is_forward_secure;
936         }
937
938 int MAIN(int, char **);
939
940 #ifndef OPENSSL_NO_JPAKE
941 static char *jpake_secret = NULL;
942 #endif
943 #ifndef OPENSSL_NO_SRP
944         static srpsrvparm srp_callback_parm;
945 #endif
946 static char *srtp_profiles = NULL;
947
948 int MAIN(int argc, char *argv[])
949         {
950         X509_VERIFY_PARAM *vpm = NULL;
951         int badarg = 0;
952         short port=PORT;
953         char *CApath=NULL,*CAfile=NULL;
954         unsigned char *context = NULL;
955         char *dhfile = NULL;
956 #ifndef OPENSSL_NO_ECDH
957         char *named_curve = NULL;
958 #endif
959         int badop=0,bugs=0;
960         int ret=1;
961         int off=0;
962         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
963         int state=0;
964         const SSL_METHOD *meth=NULL;
965         int socket_type=SOCK_STREAM;
966         ENGINE *e=NULL;
967         char *inrand=NULL;
968         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
969         char *passarg = NULL, *pass = NULL;
970         char *dpassarg = NULL, *dpass = NULL;
971         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
972         X509 *s_cert = NULL, *s_dcert = NULL;
973         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
974         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
975         int no_cache = 0, ext_cache = 0;
976 #ifndef OPENSSL_NO_TLSEXT
977         EVP_PKEY *s_key2 = NULL;
978         X509 *s_cert2 = NULL;
979         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
980 # ifndef OPENSSL_NO_NEXTPROTONEG
981         const char *next_proto_neg_in = NULL;
982         tlsextnextprotoctx next_proto;
983 # endif
984 #endif
985 #ifndef OPENSSL_NO_PSK
986         /* by default do not send a PSK identity hint */
987         static char *psk_identity_hint=NULL;
988 #endif
989 #ifndef OPENSSL_NO_SRP
990         char *srpuserseed = NULL;
991         char *srp_verifier_file = NULL;
992 #endif
993         meth=SSLv23_server_method();
994
995         local_argc=argc;
996         local_argv=argv;
997
998         apps_startup();
999 #ifdef MONOLITH
1000         s_server_init();
1001 #endif
1002
1003         if (bio_err == NULL)
1004                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1005
1006         if (!load_config(bio_err, NULL))
1007                 goto end;
1008
1009         verify_depth=0;
1010 #ifdef FIONBIO
1011         s_nbio=0;
1012 #endif
1013         s_nbio_test=0;
1014
1015         argc--;
1016         argv++;
1017
1018         while (argc >= 1)
1019                 {
1020                 if      ((strcmp(*argv,"-port") == 0) ||
1021                          (strcmp(*argv,"-accept") == 0))
1022                         {
1023                         if (--argc < 1) goto bad;
1024                         if (!extract_port(*(++argv),&port))
1025                                 goto bad;
1026                         }
1027                 else if (strcmp(*argv,"-verify") == 0)
1028                         {
1029                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1030                         if (--argc < 1) goto bad;
1031                         verify_depth=atoi(*(++argv));
1032                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1033                         }
1034                 else if (strcmp(*argv,"-Verify") == 0)
1035                         {
1036                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1037                                 SSL_VERIFY_CLIENT_ONCE;
1038                         if (--argc < 1) goto bad;
1039                         verify_depth=atoi(*(++argv));
1040                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1041                         }
1042                 else if (strcmp(*argv,"-context") == 0)
1043                         {
1044                         if (--argc < 1) goto bad;
1045                         context= (unsigned char *)*(++argv);
1046                         }
1047                 else if (strcmp(*argv,"-cert") == 0)
1048                         {
1049                         if (--argc < 1) goto bad;
1050                         s_cert_file= *(++argv);
1051                         }
1052 #ifndef OPENSSL_NO_TLSEXT
1053                 else if (strcmp(*argv,"-authz") == 0)
1054                         {
1055                         if (--argc < 1) goto bad;
1056                         s_authz_file = *(++argv);
1057                         }
1058 #endif
1059                 else if (strcmp(*argv,"-certform") == 0)
1060                         {
1061                         if (--argc < 1) goto bad;
1062                         s_cert_format = str2fmt(*(++argv));
1063                         }
1064                 else if (strcmp(*argv,"-key") == 0)
1065                         {
1066                         if (--argc < 1) goto bad;
1067                         s_key_file= *(++argv);
1068                         }
1069                 else if (strcmp(*argv,"-keyform") == 0)
1070                         {
1071                         if (--argc < 1) goto bad;
1072                         s_key_format = str2fmt(*(++argv));
1073                         }
1074                 else if (strcmp(*argv,"-pass") == 0)
1075                         {
1076                         if (--argc < 1) goto bad;
1077                         passarg = *(++argv);
1078                         }
1079                 else if (strcmp(*argv,"-cert_chain") == 0)
1080                         {
1081                         if (--argc < 1) goto bad;
1082                         s_chain_file= *(++argv);
1083                         }
1084                 else if (strcmp(*argv,"-dhparam") == 0)
1085                         {
1086                         if (--argc < 1) goto bad;
1087                         dhfile = *(++argv);
1088                         }
1089 #ifndef OPENSSL_NO_ECDH         
1090                 else if (strcmp(*argv,"-named_curve") == 0)
1091                         {
1092                         if (--argc < 1) goto bad;
1093                         named_curve = *(++argv);
1094                         }
1095 #endif
1096                 else if (strcmp(*argv,"-dcertform") == 0)
1097                         {
1098                         if (--argc < 1) goto bad;
1099                         s_dcert_format = str2fmt(*(++argv));
1100                         }
1101                 else if (strcmp(*argv,"-dcert") == 0)
1102                         {
1103                         if (--argc < 1) goto bad;
1104                         s_dcert_file= *(++argv);
1105                         }
1106                 else if (strcmp(*argv,"-dkeyform") == 0)
1107                         {
1108                         if (--argc < 1) goto bad;
1109                         s_dkey_format = str2fmt(*(++argv));
1110                         }
1111                 else if (strcmp(*argv,"-dpass") == 0)
1112                         {
1113                         if (--argc < 1) goto bad;
1114                         dpassarg = *(++argv);
1115                         }
1116                 else if (strcmp(*argv,"-dkey") == 0)
1117                         {
1118                         if (--argc < 1) goto bad;
1119                         s_dkey_file= *(++argv);
1120                         }
1121                 else if (strcmp(*argv,"-dcert_chain") == 0)
1122                         {
1123                         if (--argc < 1) goto bad;
1124                         s_dchain_file= *(++argv);
1125                         }
1126                 else if (strcmp(*argv,"-nocert") == 0)
1127                         {
1128                         nocert=1;
1129                         }
1130                 else if (strcmp(*argv,"-CApath") == 0)
1131                         {
1132                         if (--argc < 1) goto bad;
1133                         CApath= *(++argv);
1134                         }
1135                 else if (strcmp(*argv,"-no_cache") == 0)
1136                         no_cache = 1;
1137                 else if (strcmp(*argv,"-ext_cache") == 0)
1138                         ext_cache = 1;
1139                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1140                         {
1141                         if (badarg)
1142                                 goto bad;
1143                         continue;
1144                         }
1145                 else if (strcmp(*argv,"-verify_return_error") == 0)
1146                         verify_return_error = 1;
1147                 else if (strcmp(*argv,"-serverpref") == 0)
1148                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1149                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1150                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1151                 else if (strcmp(*argv,"-cipher") == 0)
1152                         {
1153                         if (--argc < 1) goto bad;
1154                         cipher= *(++argv);
1155                         }
1156                 else if (strcmp(*argv,"-CAfile") == 0)
1157                         {
1158                         if (--argc < 1) goto bad;
1159                         CAfile= *(++argv);
1160                         }
1161 #ifdef FIONBIO  
1162                 else if (strcmp(*argv,"-nbio") == 0)
1163                         { s_nbio=1; }
1164 #endif
1165                 else if (strcmp(*argv,"-nbio_test") == 0)
1166                         {
1167 #ifdef FIONBIO  
1168                         s_nbio=1;
1169 #endif
1170                         s_nbio_test=1;
1171                         }
1172                 else if (strcmp(*argv,"-debug") == 0)
1173                         { s_debug=1; }
1174 #ifndef OPENSSL_NO_TLSEXT
1175                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1176                         s_tlsextdebug=1;
1177                 else if (strcmp(*argv,"-status") == 0)
1178                         s_tlsextstatus=1;
1179                 else if (strcmp(*argv,"-status_verbose") == 0)
1180                         {
1181                         s_tlsextstatus=1;
1182                         tlscstatp.verbose = 1;
1183                         }
1184                 else if (!strcmp(*argv, "-status_timeout"))
1185                         {
1186                         s_tlsextstatus=1;
1187                         if (--argc < 1) goto bad;
1188                         tlscstatp.timeout = atoi(*(++argv));
1189                         }
1190                 else if (!strcmp(*argv, "-status_url"))
1191                         {
1192                         s_tlsextstatus=1;
1193                         if (--argc < 1) goto bad;
1194                         if (!OCSP_parse_url(*(++argv),
1195                                         &tlscstatp.host,
1196                                         &tlscstatp.port,
1197                                         &tlscstatp.path,
1198                                         &tlscstatp.use_ssl))
1199                                 {
1200                                 BIO_printf(bio_err, "Error parsing URL\n");
1201                                 goto bad;
1202                                 }
1203                         }
1204                 else if (strcmp(*argv,"-curves") == 0)
1205                         {
1206                         if (--argc < 1) goto bad;
1207                         curves= *(++argv);
1208                         }
1209 #endif
1210                 else if (strcmp(*argv,"-msg") == 0)
1211                         { s_msg=1; }
1212                 else if (strcmp(*argv,"-hack") == 0)
1213                         { hack=1; }
1214                 else if (strcmp(*argv,"-state") == 0)
1215                         { state=1; }
1216                 else if (strcmp(*argv,"-crlf") == 0)
1217                         { s_crlf=1; }
1218                 else if (strcmp(*argv,"-quiet") == 0)
1219                         { s_quiet=1; }
1220                 else if (strcmp(*argv,"-bugs") == 0)
1221                         { bugs=1; }
1222                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1223                         { no_tmp_rsa=1; }
1224                 else if (strcmp(*argv,"-no_dhe") == 0)
1225                         { no_dhe=1; }
1226                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1227                         { no_ecdhe=1; }
1228                 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1229                         { no_resume_ephemeral = 1; }
1230 #ifndef OPENSSL_NO_PSK
1231                 else if (strcmp(*argv,"-psk_hint") == 0)
1232                         {
1233                         if (--argc < 1) goto bad;
1234                         psk_identity_hint= *(++argv);
1235                         }
1236                 else if (strcmp(*argv,"-psk") == 0)
1237                         {
1238                         size_t i;
1239
1240                         if (--argc < 1) goto bad;
1241                         psk_key=*(++argv);
1242                         for (i=0; i<strlen(psk_key); i++)
1243                                 {
1244                                 if (isxdigit((unsigned char)psk_key[i]))
1245                                         continue;
1246                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1247                                 goto bad;
1248                                 }
1249                         }
1250 #endif
1251 #ifndef OPENSSL_NO_SRP
1252                 else if (strcmp(*argv, "-srpvfile") == 0)
1253                         {
1254                         if (--argc < 1) goto bad;
1255                         srp_verifier_file = *(++argv);
1256                         meth = TLSv1_server_method();
1257                         }
1258                 else if (strcmp(*argv, "-srpuserseed") == 0)
1259                         {
1260                         if (--argc < 1) goto bad;
1261                         srpuserseed = *(++argv);
1262                         meth = TLSv1_server_method();
1263                         }
1264 #endif
1265                 else if (strcmp(*argv,"-www") == 0)
1266                         { www=1; }
1267                 else if (strcmp(*argv,"-WWW") == 0)
1268                         { www=2; }
1269                 else if (strcmp(*argv,"-HTTP") == 0)
1270                         { www=3; }
1271                 else if (strcmp(*argv,"-no_ssl2") == 0)
1272                         { off|=SSL_OP_NO_SSLv2; }
1273                 else if (strcmp(*argv,"-no_ssl3") == 0)
1274                         { off|=SSL_OP_NO_SSLv3; }
1275                 else if (strcmp(*argv,"-no_tls1") == 0)
1276                         { off|=SSL_OP_NO_TLSv1; }
1277                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1278                         { off|=SSL_OP_NO_TLSv1_1; }
1279                 else if (strcmp(*argv,"-no_tls1_2") == 0)
1280                         { off|=SSL_OP_NO_TLSv1_2; }
1281                 else if (strcmp(*argv,"-no_comp") == 0)
1282                         { off|=SSL_OP_NO_COMPRESSION; }
1283 #ifndef OPENSSL_NO_TLSEXT
1284                 else if (strcmp(*argv,"-no_ticket") == 0)
1285                         { off|=SSL_OP_NO_TICKET; }
1286 #endif
1287 #ifndef OPENSSL_NO_SSL2
1288                 else if (strcmp(*argv,"-ssl2") == 0)
1289                         { meth=SSLv2_server_method(); }
1290 #endif
1291 #ifndef OPENSSL_NO_SSL3
1292                 else if (strcmp(*argv,"-ssl3") == 0)
1293                         { meth=SSLv3_server_method(); }
1294 #endif
1295 #ifndef OPENSSL_NO_TLS1
1296                 else if (strcmp(*argv,"-tls1") == 0)
1297                         { meth=TLSv1_server_method(); }
1298                 else if (strcmp(*argv,"-tls1_1") == 0)
1299                         { meth=TLSv1_1_server_method(); }
1300                 else if (strcmp(*argv,"-tls1_2") == 0)
1301                         { meth=TLSv1_2_server_method(); }
1302 #endif
1303 #ifndef OPENSSL_NO_DTLS1
1304                 else if (strcmp(*argv,"-dtls1") == 0)
1305                         { 
1306                         meth=DTLSv1_server_method();
1307                         socket_type = SOCK_DGRAM;
1308                         }
1309                 else if (strcmp(*argv,"-timeout") == 0)
1310                         enable_timeouts = 1;
1311                 else if (strcmp(*argv,"-mtu") == 0)
1312                         {
1313                         if (--argc < 1) goto bad;
1314                         socket_mtu = atol(*(++argv));
1315                         }
1316                 else if (strcmp(*argv, "-chain") == 0)
1317                         cert_chain = 1;
1318 #endif
1319                 else if (strcmp(*argv, "-id_prefix") == 0)
1320                         {
1321                         if (--argc < 1) goto bad;
1322                         session_id_prefix = *(++argv);
1323                         }
1324 #ifndef OPENSSL_NO_ENGINE
1325                 else if (strcmp(*argv,"-engine") == 0)
1326                         {
1327                         if (--argc < 1) goto bad;
1328                         engine_id= *(++argv);
1329                         }
1330 #endif
1331                 else if (strcmp(*argv,"-rand") == 0)
1332                         {
1333                         if (--argc < 1) goto bad;
1334                         inrand= *(++argv);
1335                         }
1336 #ifndef OPENSSL_NO_TLSEXT
1337                 else if (strcmp(*argv,"-servername") == 0)
1338                         {
1339                         if (--argc < 1) goto bad;
1340                         tlsextcbp.servername= *(++argv);
1341                         }
1342                 else if (strcmp(*argv,"-servername_fatal") == 0)
1343                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1344                 else if (strcmp(*argv,"-cert2") == 0)
1345                         {
1346                         if (--argc < 1) goto bad;
1347                         s_cert_file2= *(++argv);
1348                         }
1349                 else if (strcmp(*argv,"-key2") == 0)
1350                         {
1351                         if (--argc < 1) goto bad;
1352                         s_key_file2= *(++argv);
1353                         }
1354 # ifndef OPENSSL_NO_NEXTPROTONEG
1355                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1356                         {
1357                         if (--argc < 1) goto bad;
1358                         next_proto_neg_in = *(++argv);
1359                         }
1360 # endif
1361 #endif
1362 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1363                 else if (strcmp(*argv,"-jpake") == 0)
1364                         {
1365                         if (--argc < 1) goto bad;
1366                         jpake_secret = *(++argv);
1367                         }
1368 #endif
1369                 else if (strcmp(*argv,"-use_srtp") == 0)
1370                         {
1371                         if (--argc < 1) goto bad;
1372                         srtp_profiles = *(++argv);
1373                         }
1374                 else if (strcmp(*argv,"-keymatexport") == 0)
1375                         {
1376                         if (--argc < 1) goto bad;
1377                         keymatexportlabel= *(++argv);
1378                         }
1379                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1380                         {
1381                         if (--argc < 1) goto bad;
1382                         keymatexportlen=atoi(*(++argv));
1383                         if (keymatexportlen == 0) goto bad;
1384                         }
1385                 else
1386                         {
1387                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1388                         badop=1;
1389                         break;
1390                         }
1391                 argc--;
1392                 argv++;
1393                 }
1394         if (badop)
1395                 {
1396 bad:
1397                 sv_usage();
1398                 goto end;
1399                 }
1400
1401 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1402         if (jpake_secret)
1403                 {
1404                 if (psk_key)
1405                         {
1406                         BIO_printf(bio_err,
1407                                    "Can't use JPAKE and PSK together\n");
1408                         goto end;
1409                         }
1410                 psk_identity = "JPAKE";
1411                 if (cipher)
1412                         {
1413                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1414                         goto end;
1415                         }
1416                 cipher = "PSK";
1417                 }
1418
1419 #endif
1420
1421         SSL_load_error_strings();
1422         OpenSSL_add_ssl_algorithms();
1423
1424 #ifndef OPENSSL_NO_ENGINE
1425         e = setup_engine(bio_err, engine_id, 1);
1426 #endif
1427
1428         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1429                 {
1430                 BIO_printf(bio_err, "Error getting password\n");
1431                 goto end;
1432                 }
1433
1434
1435         if (s_key_file == NULL)
1436                 s_key_file = s_cert_file;
1437 #ifndef OPENSSL_NO_TLSEXT
1438         if (s_key_file2 == NULL)
1439                 s_key_file2 = s_cert_file2;
1440 #endif
1441
1442         if (nocert == 0)
1443                 {
1444                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1445                        "server certificate private key file");
1446                 if (!s_key)
1447                         {
1448                         ERR_print_errors(bio_err);
1449                         goto end;
1450                         }
1451
1452                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1453                         NULL, e, "server certificate file");
1454
1455                 if (!s_cert)
1456                         {
1457                         ERR_print_errors(bio_err);
1458                         goto end;
1459                         }
1460                 if (s_chain_file)
1461                         {
1462                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1463                                         NULL, e, "server certificate chain");
1464                         if (!s_chain)
1465                                 goto end;
1466                         }
1467
1468 #ifndef OPENSSL_NO_TLSEXT
1469                 if (tlsextcbp.servername) 
1470                         {
1471                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1472                                 "second server certificate private key file");
1473                         if (!s_key2)
1474                                 {
1475                                 ERR_print_errors(bio_err);
1476                                 goto end;
1477                                 }
1478                         
1479                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1480                                 NULL, e, "second server certificate file");
1481                         
1482                         if (!s_cert2)
1483                                 {
1484                                 ERR_print_errors(bio_err);
1485                                 goto end;
1486                                 }
1487                         }
1488
1489 # ifndef OPENSSL_NO_NEXTPROTONEG
1490                 if (next_proto_neg_in)
1491                         {
1492                         unsigned short len;
1493                         next_proto.data = next_protos_parse(&len,
1494                                 next_proto_neg_in);
1495                         if (next_proto.data == NULL)
1496                                 goto end;
1497                         next_proto.len = len;
1498                         }
1499                 else
1500                         {
1501                         next_proto.data = NULL;
1502                         }
1503 # endif
1504                 if (s_authz_file != NULL)
1505                         {
1506                         /* Allow authzs up to 64KB bytes. */
1507                         static const size_t authz_limit = 65536;
1508
1509                         authz_in = BIO_new(BIO_s_file_internal());
1510                         if (authz_in == NULL)
1511                                 {
1512                                 ERR_print_errors(bio_err);
1513                                 goto end;
1514                                 }
1515
1516                         if (BIO_read_filename(authz_in, s_authz_file) <= 0)
1517                                 {
1518                                 ERR_print_errors(bio_err);
1519                                 goto end;
1520                                 }
1521                         authz = OPENSSL_malloc(authz_limit);
1522                         authz_length = BIO_read(authz_in, authz, authz_limit);
1523                         if (authz_length == authz_limit || authz_length <= 0)
1524                                 {
1525                                 BIO_printf(bio_err, "authz too large\n");
1526                                 goto end;
1527                                 }
1528                         BIO_free(authz_in);
1529                         authz_in = NULL;
1530                         }
1531 #endif /* OPENSSL_NO_TLSEXT */
1532                 }
1533
1534
1535         if (s_dcert_file)
1536                 {
1537
1538                 if (s_dkey_file == NULL)
1539                         s_dkey_file = s_dcert_file;
1540
1541                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1542                                 0, dpass, e,
1543                                "second certificate private key file");
1544                 if (!s_dkey)
1545                         {
1546                         ERR_print_errors(bio_err);
1547                         goto end;
1548                         }
1549
1550                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1551                                 NULL, e, "second server certificate file");
1552
1553                 if (!s_dcert)
1554                         {
1555                         ERR_print_errors(bio_err);
1556                         goto end;
1557                         }
1558                 if (s_dchain_file)
1559                         {
1560                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1561                                 NULL, e, "second server certificate chain");
1562                         if (!s_dchain)
1563                                 goto end;
1564                         }
1565
1566                 }
1567
1568         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1569                 && !RAND_status())
1570                 {
1571                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1572                 }
1573         if (inrand != NULL)
1574                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1575                         app_RAND_load_files(inrand));
1576
1577         if (bio_s_out == NULL)
1578                 {
1579                 if (s_quiet && !s_debug && !s_msg)
1580                         {
1581                         bio_s_out=BIO_new(BIO_s_null());
1582                         }
1583                 else
1584                         {
1585                         if (bio_s_out == NULL)
1586                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1587                         }
1588                 }
1589
1590 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1591         if (nocert)
1592 #endif
1593                 {
1594                 s_cert_file=NULL;
1595                 s_key_file=NULL;
1596                 s_dcert_file=NULL;
1597                 s_dkey_file=NULL;
1598 #ifndef OPENSSL_NO_TLSEXT
1599                 s_cert_file2=NULL;
1600                 s_key_file2=NULL;
1601 #endif
1602                 }
1603
1604         ctx=SSL_CTX_new(meth);
1605         if (ctx == NULL)
1606                 {
1607                 ERR_print_errors(bio_err);
1608                 goto end;
1609                 }
1610         if (session_id_prefix)
1611                 {
1612                 if(strlen(session_id_prefix) >= 32)
1613                         BIO_printf(bio_err,
1614 "warning: id_prefix is too long, only one new session will be possible\n");
1615                 else if(strlen(session_id_prefix) >= 16)
1616                         BIO_printf(bio_err,
1617 "warning: id_prefix is too long if you use SSLv2\n");
1618                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1619                         {
1620                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1621                         ERR_print_errors(bio_err);
1622                         goto end;
1623                         }
1624                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1625                 }
1626         SSL_CTX_set_quiet_shutdown(ctx,1);
1627         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1628         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1629         SSL_CTX_set_options(ctx,off);
1630         /* DTLS: partial reads end up discarding unread UDP bytes :-( 
1631          * Setting read ahead solves this problem.
1632          */
1633         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1634
1635         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1636         if (no_cache)
1637                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1638         else if (ext_cache)
1639                 init_session_cache_ctx(ctx);
1640         else
1641                 SSL_CTX_sess_set_cache_size(ctx,128);
1642
1643         if (srtp_profiles != NULL)
1644                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1645
1646 #if 0
1647         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1648 #endif
1649
1650 #if 0
1651         if (s_cert_file == NULL)
1652                 {
1653                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1654                 goto end;
1655                 }
1656 #endif
1657
1658         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1659                 (!SSL_CTX_set_default_verify_paths(ctx)))
1660                 {
1661                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1662                 ERR_print_errors(bio_err);
1663                 /* goto end; */
1664                 }
1665         if (vpm)
1666                 SSL_CTX_set1_param(ctx, vpm);
1667
1668 #ifndef OPENSSL_NO_TLSEXT
1669         if (s_cert2)
1670                 {
1671                 ctx2=SSL_CTX_new(meth);
1672                 if (ctx2 == NULL)
1673                         {
1674                         ERR_print_errors(bio_err);
1675                         goto end;
1676                         }
1677                 }
1678         
1679         if (ctx2)
1680                 {
1681                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1682
1683                 if (session_id_prefix)
1684                         {
1685                         if(strlen(session_id_prefix) >= 32)
1686                                 BIO_printf(bio_err,
1687                                         "warning: id_prefix is too long, only one new session will be possible\n");
1688                         else if(strlen(session_id_prefix) >= 16)
1689                                 BIO_printf(bio_err,
1690                                         "warning: id_prefix is too long if you use SSLv2\n");
1691                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1692                                 {
1693                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1694                                 ERR_print_errors(bio_err);
1695                                 goto end;
1696                                 }
1697                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1698                         }
1699                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1700                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1701                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1702                 SSL_CTX_set_options(ctx2,off);
1703                 /* DTLS: partial reads end up discarding unread UDP bytes :-( 
1704                  * Setting read ahead solves this problem.
1705                  */
1706                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1707
1708                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1709
1710                 if (no_cache)
1711                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1712                 else if (ext_cache)
1713                         init_session_cache_ctx(ctx2);
1714                 else
1715                         SSL_CTX_sess_set_cache_size(ctx2,128);
1716
1717                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1718                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1719                         {
1720                         ERR_print_errors(bio_err);
1721                         }
1722                 if (vpm)
1723                         SSL_CTX_set1_param(ctx2, vpm);
1724                 }
1725
1726 # ifndef OPENSSL_NO_NEXTPROTONEG
1727         if (next_proto.data)
1728                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1729 # endif
1730 #endif 
1731
1732 #ifndef OPENSSL_NO_DH
1733         if (!no_dhe)
1734                 {
1735                 DH *dh=NULL;
1736
1737                 if (dhfile)
1738                         dh = load_dh_param(dhfile);
1739                 else if (s_cert_file)
1740                         dh = load_dh_param(s_cert_file);
1741
1742                 if (dh != NULL)
1743                         {
1744                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1745                         }
1746                 else
1747                         {
1748                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1749                         dh=get_dh512();
1750                         }
1751                 (void)BIO_flush(bio_s_out);
1752
1753                 SSL_CTX_set_tmp_dh(ctx,dh);
1754 #ifndef OPENSSL_NO_TLSEXT
1755                 if (ctx2)
1756                         {
1757                         if (!dhfile)
1758                                 { 
1759                                 DH *dh2=load_dh_param(s_cert_file2);
1760                                 if (dh2 != NULL)
1761                                         {
1762                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1763                                         (void)BIO_flush(bio_s_out);
1764
1765                                         DH_free(dh);
1766                                         dh = dh2;
1767                                         }
1768                                 }
1769                         SSL_CTX_set_tmp_dh(ctx2,dh);
1770                         }
1771 #endif
1772                 DH_free(dh);
1773                 }
1774 #endif
1775
1776 #ifndef OPENSSL_NO_ECDH
1777         if (!no_ecdhe)
1778                 {
1779                 EC_KEY *ecdh=NULL;
1780
1781                 if (named_curve && strcmp(named_curve, "auto"))
1782                         {
1783                         int nid = EC_curve_nist2nid(named_curve);
1784                         if (nid == NID_undef)
1785                                 nid = OBJ_sn2nid(named_curve);
1786                         if (nid == 0)
1787                                 {
1788                                 BIO_printf(bio_err, "unknown curve name (%s)\n", 
1789                                         named_curve);
1790                                 goto end;
1791                                 }
1792                         ecdh = EC_KEY_new_by_curve_name(nid);
1793                         if (ecdh == NULL)
1794                                 {
1795                                 BIO_printf(bio_err, "unable to create curve (%s)\n", 
1796                                         named_curve);
1797                                 goto end;
1798                                 }
1799                         }
1800
1801                 if (ecdh != NULL)
1802                         {
1803                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1804                         }
1805                 else if (named_curve)
1806                         SSL_CTX_set_ecdh_auto(ctx, 1);
1807                 else
1808                         {
1809                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1810                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1811                         if (ecdh == NULL) 
1812                                 {
1813                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1814                                 goto end;
1815                                 }
1816                         }
1817                 (void)BIO_flush(bio_s_out);
1818
1819                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1820 #ifndef OPENSSL_NO_TLSEXT
1821                 if (ctx2) 
1822                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1823 #endif
1824                 EC_KEY_free(ecdh);
1825                 }
1826 #endif
1827         
1828         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain))
1829                 goto end;
1830 #ifndef OPENSSL_NO_TLSEXT
1831         if (authz != NULL && !SSL_CTX_use_authz(ctx, authz, authz_length))
1832                 goto end;
1833 #endif
1834 #ifndef OPENSSL_NO_TLSEXT
1835         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL))
1836                 goto end; 
1837 #endif
1838         if (s_dcert != NULL)
1839                 {
1840                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain))
1841                         goto end;
1842                 }
1843
1844 #ifndef OPENSSL_NO_RSA
1845 #if 1
1846         if (!no_tmp_rsa)
1847                 {
1848                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1849 #ifndef OPENSSL_NO_TLSEXT
1850                 if (ctx2) 
1851                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1852 #endif          
1853                 }
1854 #else
1855         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1856                 {
1857                 RSA *rsa;
1858
1859                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1860                 BIO_flush(bio_s_out);
1861
1862                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1863
1864                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1865                         {
1866                         ERR_print_errors(bio_err);
1867                         goto end;
1868                         }
1869 #ifndef OPENSSL_NO_TLSEXT
1870                         if (ctx2)
1871                                 {
1872                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1873                                         {
1874                                         ERR_print_errors(bio_err);
1875                                         goto end;
1876                                         }
1877                                 }
1878 #endif
1879                 RSA_free(rsa);
1880                 BIO_printf(bio_s_out,"\n");
1881                 }
1882 #endif
1883 #endif
1884
1885         if (no_resume_ephemeral)
1886                 {
1887                 SSL_CTX_set_not_resumable_session_callback(ctx, not_resumable_sess_cb);
1888 #ifndef OPENSSL_NO_TLSEXT
1889                 if (ctx2)
1890                         SSL_CTX_set_not_resumable_session_callback(ctx2, not_resumable_sess_cb);
1891 #endif
1892                 }
1893
1894 #ifndef OPENSSL_NO_PSK
1895 #ifdef OPENSSL_NO_JPAKE
1896         if (psk_key != NULL)
1897 #else
1898         if (psk_key != NULL || jpake_secret)
1899 #endif
1900                 {
1901                 if (s_debug)
1902                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1903                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1904                 }
1905
1906         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1907                 {
1908                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1909                 ERR_print_errors(bio_err);
1910                 goto end;
1911                 }
1912 #endif
1913
1914         if (cipher != NULL)
1915                 {
1916                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1917                         {
1918                         BIO_printf(bio_err,"error setting cipher list\n");
1919                         ERR_print_errors(bio_err);
1920                         goto end;
1921                         }
1922 #ifndef OPENSSL_NO_TLSEXT
1923                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1924                         {
1925                         BIO_printf(bio_err,"error setting cipher list\n");
1926                         ERR_print_errors(bio_err);
1927                         goto end;
1928                         }
1929 #endif
1930                 }
1931 #ifndef OPENSSL_NO_TLSEXT
1932         if (curves)
1933                 {
1934                 if(!SSL_CTX_set1_curves_list(ctx,curves))
1935                         {
1936                         BIO_printf(bio_err,"error setting curves list\n");
1937                         ERR_print_errors(bio_err);
1938                         goto end;
1939                         }
1940                 if(ctx2 && !SSL_CTX_set1_curves_list(ctx2,curves))
1941                         {
1942                         BIO_printf(bio_err,"error setting curves list\n");
1943                         ERR_print_errors(bio_err);
1944                         goto end;
1945                         }
1946                 }
1947 #endif
1948         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1949         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1950                 sizeof s_server_session_id_context);
1951
1952         /* Set DTLS cookie generation and verification callbacks */
1953         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1954         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1955
1956 #ifndef OPENSSL_NO_TLSEXT
1957         if (ctx2)
1958                 {
1959                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1960                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1961                         sizeof s_server_session_id_context);
1962
1963                 tlsextcbp.biodebug = bio_s_out;
1964                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1965                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1966                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1967                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1968                 }
1969 #endif
1970
1971 #ifndef OPENSSL_NO_SRP
1972         if (srp_verifier_file != NULL)
1973                 {
1974                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1975                 srp_callback_parm.user = NULL;
1976                 srp_callback_parm.login = NULL;
1977                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1978                         {
1979                         BIO_printf(bio_err,
1980                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1981                                    srp_verifier_file, ret);
1982                                 goto end;
1983                         }
1984                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1985                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);                        
1986                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1987                 }
1988         else
1989 #endif
1990         if (CAfile != NULL)
1991                 {
1992                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1993 #ifndef OPENSSL_NO_TLSEXT
1994                 if (ctx2) 
1995                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1996 #endif
1997                 }
1998
1999         BIO_printf(bio_s_out,"ACCEPT\n");
2000         (void)BIO_flush(bio_s_out);
2001         if (www)
2002                 do_server(port,socket_type,&accept_socket,www_body, context);
2003         else
2004                 do_server(port,socket_type,&accept_socket,sv_body, context);
2005         print_stats(bio_s_out,ctx);
2006         ret=0;
2007 end:
2008         if (ctx != NULL) SSL_CTX_free(ctx);
2009         if (s_cert)
2010                 X509_free(s_cert);
2011         if (s_dcert)
2012                 X509_free(s_dcert);
2013         if (s_key)
2014                 EVP_PKEY_free(s_key);
2015         if (s_dkey)
2016                 EVP_PKEY_free(s_dkey);
2017         if (pass)
2018                 OPENSSL_free(pass);
2019         if (dpass)
2020                 OPENSSL_free(dpass);
2021         free_sessions();
2022 #ifndef OPENSSL_NO_TLSEXT
2023         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2024         if (s_cert2)
2025                 X509_free(s_cert2);
2026         if (s_key2)
2027                 EVP_PKEY_free(s_key2);
2028         if (authz != NULL)
2029                 OPENSSL_free(authz);
2030         if (authz_in != NULL)
2031                 BIO_free(authz_in);
2032 #endif
2033         if (bio_s_out != NULL)
2034                 {
2035         BIO_free(bio_s_out);
2036                 bio_s_out=NULL;
2037                 }
2038         apps_shutdown();
2039         OPENSSL_EXIT(ret);
2040         }
2041
2042 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2043         {
2044         BIO_printf(bio,"%4ld items in the session cache\n",
2045                 SSL_CTX_sess_number(ssl_ctx));
2046         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2047                 SSL_CTX_sess_connect(ssl_ctx));
2048         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2049                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2050         BIO_printf(bio,"%4ld client connects that finished\n",
2051                 SSL_CTX_sess_connect_good(ssl_ctx));
2052         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2053                 SSL_CTX_sess_accept(ssl_ctx));
2054         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2055                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2056         BIO_printf(bio,"%4ld server accepts that finished\n",
2057                 SSL_CTX_sess_accept_good(ssl_ctx));
2058         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2059         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2060         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2061         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2062         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2063                 SSL_CTX_sess_cache_full(ssl_ctx),
2064                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2065         }
2066
2067 static int sv_body(char *hostname, int s, unsigned char *context)
2068         {
2069         char *buf=NULL;
2070         fd_set readfds;
2071         int ret=1,width;
2072         int k,i;
2073         unsigned long l;
2074         SSL *con=NULL;
2075         BIO *sbio;
2076 #ifndef OPENSSL_NO_KRB5
2077         KSSL_CTX *kctx;
2078 #endif
2079         struct timeval timeout;
2080 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2081         struct timeval tv;
2082 #else
2083         struct timeval *timeoutp;
2084 #endif
2085
2086         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2087                 {
2088                 BIO_printf(bio_err,"out of memory\n");
2089                 goto err;
2090                 }
2091 #ifdef FIONBIO  
2092         if (s_nbio)
2093                 {
2094                 unsigned long sl=1;
2095
2096                 if (!s_quiet)
2097                         BIO_printf(bio_err,"turning on non blocking io\n");
2098                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2099                         ERR_print_errors(bio_err);
2100                 }
2101 #endif
2102
2103         if (con == NULL) {
2104                 con=SSL_new(ctx);
2105 #ifndef OPENSSL_NO_TLSEXT
2106         if (s_tlsextdebug)
2107                 {
2108                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2109                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2110                 }
2111         if (s_tlsextstatus)
2112                 {
2113                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2114                 tlscstatp.err = bio_err;
2115                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2116                 }
2117 #endif
2118 #ifndef OPENSSL_NO_KRB5
2119                 if ((kctx = kssl_ctx_new()) != NULL)
2120                         {
2121                         SSL_set0_kssl_ctx(con, kctx);
2122                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2123                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2124                         }
2125 #endif  /* OPENSSL_NO_KRB5 */
2126                 if(context)
2127                       SSL_set_session_id_context(con, context,
2128                                                  strlen((char *)context));
2129         }
2130         SSL_clear(con);
2131 #if 0
2132 #ifdef TLSEXT_TYPE_opaque_prf_input
2133         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2134 #endif
2135 #endif
2136
2137         if (SSL_version(con) == DTLS1_VERSION)
2138                 {
2139
2140                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2141
2142                 if (enable_timeouts)
2143                         {
2144                         timeout.tv_sec = 0;
2145                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2146                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2147                         
2148                         timeout.tv_sec = 0;
2149                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2150                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2151                         }
2152
2153                 if (socket_mtu > 28)
2154                         {
2155                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2156                         SSL_set_mtu(con, socket_mtu - 28);
2157                         }
2158                 else
2159                         /* want to do MTU discovery */
2160                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2161
2162         /* turn on cookie exchange */
2163         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2164                 }
2165         else
2166                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2167
2168         if (s_nbio_test)
2169                 {
2170                 BIO *test;
2171
2172                 test=BIO_new(BIO_f_nbio_test());
2173                 sbio=BIO_push(test,sbio);
2174                 }
2175 #ifndef OPENSSL_NO_JPAKE
2176         if(jpake_secret)
2177                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2178 #endif
2179
2180         SSL_set_bio(con,sbio,sbio);
2181         SSL_set_accept_state(con);
2182         /* SSL_set_fd(con,s); */
2183
2184         if (s_debug)
2185                 {
2186                 SSL_set_debug(con, 1);
2187                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2188                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2189                 }
2190         if (s_msg)
2191                 {
2192                 SSL_set_msg_callback(con, msg_cb);
2193                 SSL_set_msg_callback_arg(con, bio_s_out);
2194                 }
2195 #ifndef OPENSSL_NO_TLSEXT
2196         if (s_tlsextdebug)
2197                 {
2198                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2199                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2200                 }
2201 #endif
2202
2203         width=s+1;
2204         for (;;)
2205                 {
2206                 int read_from_terminal;
2207                 int read_from_sslcon;
2208
2209                 read_from_terminal = 0;
2210                 read_from_sslcon = SSL_pending(con);
2211
2212                 if (!read_from_sslcon)
2213                         {
2214                         FD_ZERO(&readfds);
2215 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2216                         openssl_fdset(fileno(stdin),&readfds);
2217 #endif
2218                         openssl_fdset(s,&readfds);
2219                         /* Note: under VMS with SOCKETSHR the second parameter is
2220                          * currently of type (int *) whereas under other systems
2221                          * it is (void *) if you don't have a cast it will choke
2222                          * the compiler: if you do have a cast then you can either
2223                          * go for (int *) or (void *).
2224                          */
2225 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2226                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2227                          * on sockets. As a workaround we timeout the select every
2228                          * second and check for any keypress. In a proper Windows
2229                          * application we wouldn't do this because it is inefficient.
2230                          */
2231                         tv.tv_sec = 1;
2232                         tv.tv_usec = 0;
2233                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2234                         if((i < 0) || (!i && !_kbhit() ) )continue;
2235                         if(_kbhit())
2236                                 read_from_terminal = 1;
2237 #elif defined(OPENSSL_SYS_BEOS_R5)
2238                         /* Under BeOS-R5 the situation is similar to DOS */
2239                         tv.tv_sec = 1;
2240                         tv.tv_usec = 0;
2241                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2242                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2243                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2244                                 continue;
2245                         if (read(fileno(stdin), buf, 0) >= 0)
2246                                 read_from_terminal = 1;
2247                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2248 #else
2249                         if ((SSL_version(con) == DTLS1_VERSION) &&
2250                                 DTLSv1_get_timeout(con, &timeout))
2251                                 timeoutp = &timeout;
2252                         else
2253                                 timeoutp = NULL;
2254
2255                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2256
2257                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2258                                 {
2259                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2260                                 }
2261
2262                         if (i <= 0) continue;
2263                         if (FD_ISSET(fileno(stdin),&readfds))
2264                                 read_from_terminal = 1;
2265 #endif
2266                         if (FD_ISSET(s,&readfds))
2267                                 read_from_sslcon = 1;
2268                         }
2269                 if (read_from_terminal)
2270                         {
2271                         if (s_crlf)
2272                                 {
2273                                 int j, lf_num;
2274
2275                                 i=raw_read_stdin(buf, bufsize/2);
2276                                 lf_num = 0;
2277                                 /* both loops are skipped when i <= 0 */
2278                                 for (j = 0; j < i; j++)
2279                                         if (buf[j] == '\n')
2280                                                 lf_num++;
2281                                 for (j = i-1; j >= 0; j--)
2282                                         {
2283                                         buf[j+lf_num] = buf[j];
2284                                         if (buf[j] == '\n')
2285                                                 {
2286                                                 lf_num--;
2287                                                 i++;
2288                                                 buf[j+lf_num] = '\r';
2289                                                 }
2290                                         }
2291                                 assert(lf_num == 0);
2292                                 }
2293                         else
2294                                 i=raw_read_stdin(buf,bufsize);
2295                         if (!s_quiet)
2296                                 {
2297                                 if ((i <= 0) || (buf[0] == 'Q'))
2298                                         {
2299                                         BIO_printf(bio_s_out,"DONE\n");
2300                                         SHUTDOWN(s);
2301                                         close_accept_socket();
2302                                         ret= -11;
2303                                         goto err;
2304                                         }
2305                                 if ((i <= 0) || (buf[0] == 'q'))
2306                                         {
2307                                         BIO_printf(bio_s_out,"DONE\n");
2308                                         if (SSL_version(con) != DTLS1_VERSION)
2309                         SHUTDOWN(s);
2310         /*                              close_accept_socket();
2311                                         ret= -11;*/
2312                                         goto err;
2313                                         }
2314
2315 #ifndef OPENSSL_NO_HEARTBEATS
2316                                 if ((buf[0] == 'B') &&
2317                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2318                                         {
2319                                         BIO_printf(bio_err,"HEARTBEATING\n");
2320                                         SSL_heartbeat(con);
2321                                         i=0;
2322                                         continue;
2323                                         }
2324 #endif
2325                                 if ((buf[0] == 'r') && 
2326                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2327                                         {
2328                                         SSL_renegotiate(con);
2329                                         i=SSL_do_handshake(con);
2330                                         printf("SSL_do_handshake -> %d\n",i);
2331                                         i=0; /*13; */
2332                                         continue;
2333                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2334                                         }
2335                                 if ((buf[0] == 'R') &&
2336                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2337                                         {
2338                                         SSL_set_verify(con,
2339                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2340                                         SSL_renegotiate(con);
2341                                         i=SSL_do_handshake(con);
2342                                         printf("SSL_do_handshake -> %d\n",i);
2343                                         i=0; /* 13; */
2344                                         continue;
2345                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2346                                         }
2347                                 if (buf[0] == 'P')
2348                                         {
2349                                         static const char *str="Lets print some clear text\n";
2350                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2351                                         }
2352                                 if (buf[0] == 'S')
2353                                         {
2354                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2355                                         }
2356                                 }
2357 #ifdef CHARSET_EBCDIC
2358                         ebcdic2ascii(buf,buf,i);
2359 #endif
2360                         l=k=0;
2361                         for (;;)
2362                                 {
2363                                 /* should do a select for the write */
2364 #ifdef RENEG
2365 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2366 #endif
2367                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2368 #ifndef OPENSSL_NO_SRP
2369                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2370                                         {
2371                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2372                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2373                                         if (srp_callback_parm.user) 
2374                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2375                                         else 
2376                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2377                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2378                                         }
2379 #endif
2380                                 switch (SSL_get_error(con,k))
2381                                         {
2382                                 case SSL_ERROR_NONE:
2383                                         break;
2384                                 case SSL_ERROR_WANT_WRITE:
2385                                 case SSL_ERROR_WANT_READ:
2386                                 case SSL_ERROR_WANT_X509_LOOKUP:
2387                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2388                                         break;
2389                                 case SSL_ERROR_SYSCALL:
2390                                 case SSL_ERROR_SSL:
2391                                         BIO_printf(bio_s_out,"ERROR\n");
2392                                         ERR_print_errors(bio_err);
2393                                         ret=1;
2394                                         goto err;
2395                                         /* break; */
2396                                 case SSL_ERROR_ZERO_RETURN:
2397                                         BIO_printf(bio_s_out,"DONE\n");
2398                                         ret=1;
2399                                         goto err;
2400                                         }
2401                                 l+=k;
2402                                 i-=k;
2403                                 if (i <= 0) break;
2404                                 }
2405                         }
2406                 if (read_from_sslcon)
2407                         {
2408                         if (!SSL_is_init_finished(con))
2409                                 {
2410                                 i=init_ssl_connection(con);
2411                                 
2412                                 if (i < 0)
2413                                         {
2414                                         ret=0;
2415                                         goto err;
2416                                         }
2417                                 else if (i == 0)
2418                                         {
2419                                         ret=1;
2420                                         goto err;
2421                                         }
2422                                 }
2423                         else
2424                                 {
2425 again:  
2426                                 i=SSL_read(con,(char *)buf,bufsize);
2427 #ifndef OPENSSL_NO_SRP
2428                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2429                                         {
2430                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2431                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2432                                         if (srp_callback_parm.user) 
2433                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2434                                         else 
2435                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2436                                         i=SSL_read(con,(char *)buf,bufsize);
2437                                         }
2438 #endif
2439                                 switch (SSL_get_error(con,i))
2440                                         {
2441                                 case SSL_ERROR_NONE:
2442 #ifdef CHARSET_EBCDIC
2443                                         ascii2ebcdic(buf,buf,i);
2444 #endif
2445                                         raw_write_stdout(buf,
2446                                                 (unsigned int)i);
2447                                         if (SSL_pending(con)) goto again;
2448                                         break;
2449                                 case SSL_ERROR_WANT_WRITE:
2450                                 case SSL_ERROR_WANT_READ:
2451                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2452                                         break;
2453                                 case SSL_ERROR_SYSCALL:
2454                                 case SSL_ERROR_SSL:
2455                                         BIO_printf(bio_s_out,"ERROR\n");
2456                                         ERR_print_errors(bio_err);
2457                                         ret=1;
2458                                         goto err;
2459                                 case SSL_ERROR_ZERO_RETURN:
2460                                         BIO_printf(bio_s_out,"DONE\n");
2461                                         ret=1;
2462                                         goto err;
2463                                         }
2464                                 }
2465                         }
2466                 }
2467 err:
2468         if (con != NULL)
2469                 {
2470                 BIO_printf(bio_s_out,"shutting down SSL\n");
2471 #if 1
2472                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2473 #else
2474                 SSL_shutdown(con);
2475 #endif
2476                 SSL_free(con);
2477                 }
2478         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2479         if (buf != NULL)
2480                 {
2481                 OPENSSL_cleanse(buf,bufsize);
2482                 OPENSSL_free(buf);
2483                 }
2484         if (ret >= 0)
2485                 BIO_printf(bio_s_out,"ACCEPT\n");
2486         return(ret);
2487         }
2488
2489 static void close_accept_socket(void)
2490         {
2491         BIO_printf(bio_err,"shutdown accept socket\n");
2492         if (accept_socket >= 0)
2493                 {
2494                 SHUTDOWN2(accept_socket);
2495                 }
2496         }
2497
2498 static int init_ssl_connection(SSL *con)
2499         {
2500         int i;
2501         const char *str;
2502         X509 *peer;
2503         long verify_error;
2504         MS_STATIC char buf[BUFSIZ];
2505 #ifndef OPENSSL_NO_KRB5
2506         char *client_princ;
2507 #endif
2508 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2509         const unsigned char *next_proto_neg;
2510         unsigned next_proto_neg_len;
2511 #endif
2512         unsigned char *exportedkeymat;
2513
2514
2515         i=SSL_accept(con);
2516 #ifndef OPENSSL_NO_SRP
2517         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 
2518                 {
2519                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2520                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2521                         if (srp_callback_parm.user) 
2522                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2523                         else 
2524                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2525                         i=SSL_accept(con);
2526                 }
2527 #endif
2528         if (i <= 0)
2529                 {
2530                 if (BIO_sock_should_retry(i))
2531                         {
2532                         BIO_printf(bio_s_out,"DELAY\n");
2533                         return(1);
2534                         }
2535
2536                 BIO_printf(bio_err,"ERROR\n");
2537                 verify_error=SSL_get_verify_result(con);
2538                 if (verify_error != X509_V_OK)
2539                         {
2540                         BIO_printf(bio_err,"verify error:%s\n",
2541                                 X509_verify_cert_error_string(verify_error));
2542                         }
2543                 else
2544                         ERR_print_errors(bio_err);
2545                 return(0);
2546                 }
2547
2548         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2549
2550         peer=SSL_get_peer_certificate(con);
2551         if (peer != NULL)
2552                 {
2553                 BIO_printf(bio_s_out,"Client certificate\n");
2554                 PEM_write_bio_X509(bio_s_out,peer);
2555                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2556                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2557                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2558                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2559                 X509_free(peer);
2560                 }
2561
2562         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2563                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2564         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2565         ssl_print_sigalgs(bio_s_out, con);
2566         ssl_print_curves(bio_s_out, con);
2567         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2568
2569 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2570         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2571         if (next_proto_neg)
2572                 {
2573                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2574                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2575                 BIO_printf(bio_s_out, "\n");
2576                 }
2577 #endif
2578         {
2579         SRTP_PROTECTION_PROFILE *srtp_profile
2580           = SSL_get_selected_srtp_profile(con);
2581
2582         if(srtp_profile)
2583                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2584                            srtp_profile->name);
2585         }
2586         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2587         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2588                 TLS1_FLAGS_TLS_PADDING_BUG)
2589                 BIO_printf(bio_s_out,
2590                            "Peer has incorrect TLSv1 block padding\n");
2591 #ifndef OPENSSL_NO_KRB5
2592         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2593         if (client_princ != NULL)
2594                 {
2595                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2596                                                                 client_princ);
2597                 }
2598 #endif /* OPENSSL_NO_KRB5 */
2599         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2600                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2601         if (keymatexportlabel != NULL)
2602                 {
2603                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2604                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2605                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2606                            keymatexportlen);
2607                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2608                 if (exportedkeymat != NULL)
2609                         {
2610                         if (!SSL_export_keying_material(con, exportedkeymat,
2611                                                         keymatexportlen,
2612                                                         keymatexportlabel,
2613                                                         strlen(keymatexportlabel),
2614                                                         NULL, 0, 0))
2615                                 {
2616                                 BIO_printf(bio_s_out, "    Error\n");
2617                                 }
2618                         else
2619                                 {
2620                                 BIO_printf(bio_s_out, "    Keying material: ");
2621                                 for (i=0; i<keymatexportlen; i++)
2622                                         BIO_printf(bio_s_out, "%02X",
2623                                                    exportedkeymat[i]);
2624                                 BIO_printf(bio_s_out, "\n");
2625                                 }
2626                         OPENSSL_free(exportedkeymat);
2627                         }
2628                 }
2629
2630         return(1);
2631         }
2632
2633 #ifndef OPENSSL_NO_DH
2634 static DH *load_dh_param(const char *dhfile)
2635         {
2636         DH *ret=NULL;
2637         BIO *bio;
2638
2639         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2640                 goto err;
2641         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2642 err:
2643         if (bio != NULL) BIO_free(bio);
2644         return(ret);
2645         }
2646 #endif
2647
2648 #if 0
2649 static int load_CA(SSL_CTX *ctx, char *file)
2650         {
2651         FILE *in;
2652         X509 *x=NULL;
2653
2654         if ((in=fopen(file,"r")) == NULL)
2655                 return(0);
2656
2657         for (;;)
2658                 {
2659                 if (PEM_read_X509(in,&x,NULL) == NULL)
2660                         break;
2661                 SSL_CTX_add_client_CA(ctx,x);
2662                 }
2663         if (x != NULL) X509_free(x);
2664         fclose(in);
2665         return(1);
2666         }
2667 #endif
2668
2669 static int www_body(char *hostname, int s, unsigned char *context)
2670         {
2671         char *buf=NULL;
2672         int ret=1;
2673         int i,j,k,dot;
2674         SSL *con;
2675         const SSL_CIPHER *c;
2676         BIO *io,*ssl_bio,*sbio;
2677 #ifndef OPENSSL_NO_KRB5
2678         KSSL_CTX *kctx;
2679 #endif
2680
2681         buf=OPENSSL_malloc(bufsize);
2682         if (buf == NULL) return(0);
2683         io=BIO_new(BIO_f_buffer());
2684         ssl_bio=BIO_new(BIO_f_ssl());
2685         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2686
2687 #ifdef FIONBIO  
2688         if (s_nbio)
2689                 {
2690                 unsigned long sl=1;
2691
2692                 if (!s_quiet)
2693                         BIO_printf(bio_err,"turning on non blocking io\n");
2694                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2695                         ERR_print_errors(bio_err);
2696                 }
2697 #endif
2698
2699         /* lets make the output buffer a reasonable size */
2700         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2701
2702         if ((con=SSL_new(ctx)) == NULL) goto err;
2703 #ifndef OPENSSL_NO_TLSEXT
2704                 if (s_tlsextdebug)
2705                         {
2706                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2707                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2708                         }
2709 #endif
2710 #ifndef OPENSSL_NO_KRB5
2711         if ((kctx = kssl_ctx_new()) != NULL)
2712                 {
2713                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2714                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2715                 }
2716 #endif  /* OPENSSL_NO_KRB5 */
2717         if(context) SSL_set_session_id_context(con, context,
2718                                                strlen((char *)context));
2719
2720         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2721         if (s_nbio_test)
2722                 {
2723                 BIO *test;
2724
2725                 test=BIO_new(BIO_f_nbio_test());
2726                 sbio=BIO_push(test,sbio);
2727                 }
2728         SSL_set_bio(con,sbio,sbio);
2729         SSL_set_accept_state(con);
2730
2731         /* SSL_set_fd(con,s); */
2732         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2733         BIO_push(io,ssl_bio);
2734 #ifdef CHARSET_EBCDIC
2735         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2736 #endif
2737
2738         if (s_debug)
2739                 {
2740                 SSL_set_debug(con, 1);
2741                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2742                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2743                 }
2744         if (s_msg)
2745                 {
2746                 SSL_set_msg_callback(con, msg_cb);
2747                 SSL_set_msg_callback_arg(con, bio_s_out);
2748                 }
2749
2750         for (;;)
2751                 {
2752                 if (hack)
2753                         {
2754                         i=SSL_accept(con);
2755 #ifndef OPENSSL_NO_SRP
2756                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 
2757                 {
2758                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2759                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2760                         if (srp_callback_parm.user) 
2761                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2762                         else 
2763                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2764                         i=SSL_accept(con);
2765                 }
2766 #endif
2767                         switch (SSL_get_error(con,i))
2768                                 {
2769                         case SSL_ERROR_NONE:
2770                                 break;
2771                         case SSL_ERROR_WANT_WRITE:
2772                         case SSL_ERROR_WANT_READ:
2773                         case SSL_ERROR_WANT_X509_LOOKUP:
2774                                 continue;
2775                         case SSL_ERROR_SYSCALL:
2776                         case SSL_ERROR_SSL:
2777                         case SSL_ERROR_ZERO_RETURN:
2778                                 ret=1;
2779                                 goto err;
2780                                 /* break; */
2781                                 }
2782
2783                         SSL_renegotiate(con);
2784                         SSL_write(con,NULL,0);
2785                         }
2786
2787                 i=BIO_gets(io,buf,bufsize-1);
2788                 if (i < 0) /* error */
2789                         {
2790                         if (!BIO_should_retry(io))
2791                                 {
2792                                 if (!s_quiet)
2793                                         ERR_print_errors(bio_err);
2794                                 goto err;
2795                                 }
2796                         else
2797                                 {
2798                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2799 #if defined(OPENSSL_SYS_NETWARE)
2800             delay(1000);
2801 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2802                                 sleep(1);
2803 #endif
2804                                 continue;
2805                                 }
2806                         }
2807                 else if (i == 0) /* end of input */
2808                         {
2809                         ret=1;
2810                         goto end;
2811                         }
2812
2813                 /* else we have data */
2814                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2815                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2816                         {
2817                         char *p;
2818                         X509 *peer;
2819                         STACK_OF(SSL_CIPHER) *sk;
2820                         static const char *space="                          ";
2821
2822                 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0)
2823                         {
2824                         if (strncmp("GET /renegcert", buf, 14) == 0)
2825                                 SSL_set_verify(con,
2826                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2827                         i=SSL_renegotiate(con);
2828                         BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n",i);
2829                         i=SSL_do_handshake(con);
2830                         if (i <= 0)
2831                                 {
2832                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2833                                 ERR_print_errors(bio_err);
2834                                 goto err;
2835                                 }
2836                         /* EVIL HACK! */
2837                         SSL_set_state(con, SSL_ST_ACCEPT);
2838                         i=SSL_do_handshake(con);
2839                         BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n",i);
2840                         if (i <= 0)
2841                                 {
2842                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2843                                 ERR_print_errors(bio_err);
2844                                 goto err;
2845                                 }
2846                         }
2847
2848                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2849                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2850                         BIO_puts(io,"<pre>\n");
2851 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2852                         BIO_puts(io,"\n");
2853                         for (i=0; i<local_argc; i++)
2854                                 {
2855                                 BIO_puts(io,local_argv[i]);
2856                                 BIO_write(io," ",1);
2857                                 }
2858                         BIO_puts(io,"\n");
2859
2860                         BIO_printf(io,
2861                                 "Secure Renegotiation IS%s supported\n",
2862                                 SSL_get_secure_renegotiation_support(con) ?
2863                                                         "" : " NOT");
2864
2865                         /* The following is evil and should not really
2866                          * be done */
2867                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2868                         sk=SSL_get_ciphers(con);
2869                         j=sk_SSL_CIPHER_num(sk);
2870                         for (i=0; i<j; i++)
2871                                 {
2872                                 c=sk_SSL_CIPHER_value(sk,i);
2873                                 BIO_printf(io,"%-11s:%-25s",
2874                                         SSL_CIPHER_get_version(c),
2875                                         SSL_CIPHER_get_name(c));
2876                                 if ((((i+1)%2) == 0) && (i+1 != j))
2877                                         BIO_puts(io,"\n");
2878                                 }
2879                         BIO_puts(io,"\n");
2880                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2881                         if (p != NULL)
2882                                 {
2883                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2884                                 j=i=0;
2885                                 while (*p)
2886                                         {
2887                                         if (*p == ':')
2888                                                 {
2889                                                 BIO_write(io,space,26-j);
2890                                                 i++;
2891                                                 j=0;
2892                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2893                                                 }
2894                                         else
2895                                                 {
2896                                                 BIO_write(io,p,1);
2897                                                 j++;
2898                                                 }
2899                                         p++;
2900                                         }
2901                                 BIO_puts(io,"\n");
2902                                 }
2903                         ssl_print_sigalgs(io, con);
2904                         ssl_print_curves(io, con);
2905                         BIO_printf(io,(SSL_cache_hit(con)
2906                                 ?"---\nReused, "
2907                                 :"---\nNew, "));
2908                         c=SSL_get_current_cipher(con);
2909                         BIO_printf(io,"%s, Cipher is %s\n",
2910                                 SSL_CIPHER_get_version(c),
2911                                 SSL_CIPHER_get_name(c));
2912                         SSL_SESSION_print(io,SSL_get_session(con));
2913                         BIO_printf(io,"---\n");
2914                         print_stats(io,SSL_get_SSL_CTX(con));
2915                         BIO_printf(io,"---\n");
2916                         peer=SSL_get_peer_certificate(con);
2917                         if (peer != NULL)
2918                                 {
2919                                 BIO_printf(io,"Client certificate\n");
2920                                 X509_print(io,peer);
2921                                 PEM_write_bio_X509(io,peer);
2922                                 }
2923                         else
2924                                 BIO_puts(io,"no client certificate available\n");
2925                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2926                         break;
2927                         }
2928                 else if ((www == 2 || www == 3)
2929                          && (strncmp("GET /",buf,5) == 0))
2930                         {
2931                         BIO *file;
2932                         char *p,*e;
2933                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2934
2935                         /* skip the '/' */
2936                         p= &(buf[5]);
2937
2938                         dot = 1;
2939                         for (e=p; *e != '\0'; e++)
2940                                 {
2941                                 if (e[0] == ' ')
2942                                         break;
2943
2944                                 switch (dot)
2945                                         {
2946                                 case 1:
2947                                         dot = (e[0] == '.') ? 2 : 0;
2948                                         break;
2949                                 case 2:
2950                                         dot = (e[0] == '.') ? 3 : 0;
2951                                         break;
2952                                 case 3:
2953                                         dot = (e[0] == '/') ? -1 : 0;
2954                                         break;
2955                                         }
2956                                 if (dot == 0)
2957                                         dot = (e[0] == '/') ? 1 : 0;
2958                                 }
2959                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2960
2961                         if (*e == '\0')
2962                                 {
2963                                 BIO_puts(io,text);
2964                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2965                                 break;
2966                                 }
2967                         *e='\0';
2968
2969                         if (dot)
2970                                 {
2971                                 BIO_puts(io,text);
2972                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2973                                 break;
2974                                 }
2975
2976                         if (*p == '/')
2977                                 {
2978                                 BIO_puts(io,text);
2979                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2980                                 break;
2981                                 }
2982
2983 #if 0
2984                         /* append if a directory lookup */
2985                         if (e[-1] == '/')
2986                                 strcat(p,"index.html");
2987 #endif
2988
2989                         /* if a directory, do the index thang */
2990                         if (app_isdir(p)>0)
2991                                 {
2992 #if 0 /* must check buffer size */
2993                                 strcat(p,"/index.html");
2994 #else
2995                                 BIO_puts(io,text);
2996                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2997                                 break;
2998 #endif
2999                                 }
3000
3001                         if ((file=BIO_new_file(p,"r")) == NULL)
3002                                 {
3003                                 BIO_puts(io,text);
3004                                 BIO_printf(io,"Error opening '%s'\r\n",p);
3005                                 ERR_print_errors(io);
3006                                 break;
3007                                 }
3008
3009                         if (!s_quiet)
3010                                 BIO_printf(bio_err,"FILE:%s\n",p);
3011
3012                         if (www == 2)
3013                                 {
3014                                 i=strlen(p);
3015                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3016                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3017                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3018                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3019                                 else
3020                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3021                                 }
3022                         /* send the file */
3023                         for (;;)
3024                                 {
3025                                 i=BIO_read(file,buf,bufsize);
3026                                 if (i <= 0) break;
3027
3028 #ifdef RENEG
3029                                 total_bytes+=i;
3030                                 fprintf(stderr,"%d\n",i);
3031                                 if (total_bytes > 3*1024)
3032                                         {
3033                                         total_bytes=0;
3034                                         fprintf(stderr,"RENEGOTIATE\n");
3035                                         SSL_renegotiate(con);
3036                                         }
3037 #endif
3038
3039                                 for (j=0; j<i; )
3040                                         {
3041 #ifdef RENEG
3042 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3043 #endif
3044                                         k=BIO_write(io,&(buf[j]),i-j);
3045                                         if (k <= 0)
3046                                                 {
3047                                                 if (!BIO_should_retry(io))
3048                                                         goto write_error;
3049                                                 else
3050                                                         {
3051                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3052                                                         }
3053                                                 }
3054                                         else
3055                                                 {
3056                                                 j+=k;
3057                                                 }
3058                                         }
3059                                 }
3060 write_error:
3061                         BIO_free(file);
3062                         break;
3063                         }
3064                 }
3065
3066         for (;;)
3067                 {
3068                 i=(int)BIO_flush(io);
3069                 if (i <= 0)
3070                         {
3071                         if (!BIO_should_retry(io))
3072                                 break;
3073                         }
3074                 else
3075                         break;
3076                 }
3077 end:
3078 #if 1
3079         /* make sure we re-use sessions */
3080         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3081 #else
3082         /* This kills performance */
3083 /*      SSL_shutdown(con); A shutdown gets sent in the
3084  *      BIO_free_all(io) procession */
3085 #endif
3086
3087 err:
3088
3089         if (ret >= 0)
3090                 BIO_printf(bio_s_out,"ACCEPT\n");
3091
3092         if (buf != NULL) OPENSSL_free(buf);
3093         if (io != NULL) BIO_free_all(io);
3094 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3095         return(ret);
3096         }
3097
3098 #ifndef OPENSSL_NO_RSA
3099 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3100         {
3101         BIGNUM *bn = NULL;
3102         static RSA *rsa_tmp=NULL;
3103
3104         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3105                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3106         if (!rsa_tmp && bn)
3107                 {
3108                 if (!s_quiet)
3109                         {
3110                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3111                         (void)BIO_flush(bio_err);
3112                         }
3113                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3114                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3115                         {
3116                         if(rsa_tmp) RSA_free(rsa_tmp);
3117                         rsa_tmp = NULL;
3118                         }
3119                 if (!s_quiet)
3120                         {
3121                         BIO_printf(bio_err,"\n");
3122                         (void)BIO_flush(bio_err);
3123                         }
3124                 BN_free(bn);
3125                 }
3126         return(rsa_tmp);
3127         }
3128 #endif
3129
3130 #define MAX_SESSION_ID_ATTEMPTS 10
3131 static int generate_session_id(const SSL *ssl, unsigned char *id,
3132                                 unsigned int *id_len)
3133         {
3134         unsigned int count = 0;
3135         do      {
3136                 RAND_pseudo_bytes(id, *id_len);
3137                 /* Prefix the session_id with the required prefix. NB: If our
3138                  * prefix is too long, clip it - but there will be worse effects
3139                  * anyway, eg. the server could only possibly create 1 session
3140                  * ID (ie. the prefix!) so all future session negotiations will
3141                  * fail due to conflicts. */
3142                 memcpy(id, session_id_prefix,
3143                         (strlen(session_id_prefix) < *id_len) ?
3144                         strlen(session_id_prefix) : *id_len);
3145                 }
3146         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3147                 (++count < MAX_SESSION_ID_ATTEMPTS));
3148         if(count >= MAX_SESSION_ID_ATTEMPTS)
3149                 return 0;
3150         return 1;
3151         }
3152
3153 /* By default s_server uses an in-memory cache which caches SSL_SESSION
3154  * structures without any serialisation. This hides some bugs which only
3155  * become apparent in deployed servers. By implementing a basic external
3156  * session cache some issues can be debugged using s_server.
3157  */
3158
3159 typedef struct simple_ssl_session_st
3160         {
3161         unsigned char *id;
3162         unsigned int idlen;
3163         unsigned char *der;
3164         int derlen;
3165         struct simple_ssl_session_st *next;
3166         } simple_ssl_session;
3167
3168 static simple_ssl_session *first = NULL;
3169
3170 static int add_session(SSL *ssl, SSL_SESSION *session)
3171         {
3172         simple_ssl_session *sess;
3173         unsigned char *p;
3174
3175         sess = OPENSSL_malloc(sizeof(simple_ssl_session));
3176
3177         SSL_SESSION_get_id(session, &sess->idlen);
3178         sess->derlen = i2d_SSL_SESSION(session, NULL);
3179
3180         sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3181
3182         sess->der = OPENSSL_malloc(sess->derlen);
3183         p = sess->der;
3184         i2d_SSL_SESSION(session, &p);
3185
3186         sess->next = first;
3187         first = sess;
3188         BIO_printf(bio_err, "New session added to external cache\n");
3189         return 0;
3190         }
3191
3192 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3193                                         int *do_copy)
3194         {
3195         simple_ssl_session *sess;
3196         *do_copy = 0;
3197         for (sess = first; sess; sess = sess->next)
3198                 {
3199     &nbs