649a8a9c9e479994de03169a4fa3076be6cbf812
[openssl.git] / apps / s_server.c
1 /* apps/s_server.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  * 
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  * 
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  * 
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from 
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  * 
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  * 
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58 /* ====================================================================
59  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
60  *
61  * Redistribution and use in source and binary forms, with or without
62  * modification, are permitted provided that the following conditions
63  * are met:
64  *
65  * 1. Redistributions of source code must retain the above copyright
66  *    notice, this list of conditions and the following disclaimer. 
67  *
68  * 2. Redistributions in binary form must reproduce the above copyright
69  *    notice, this list of conditions and the following disclaimer in
70  *    the documentation and/or other materials provided with the
71  *    distribution.
72  *
73  * 3. All advertising materials mentioning features or use of this
74  *    software must display the following acknowledgment:
75  *    "This product includes software developed by the OpenSSL Project
76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77  *
78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79  *    endorse or promote products derived from this software without
80  *    prior written permission. For written permission, please contact
81  *    openssl-core@openssl.org.
82  *
83  * 5. Products derived from this software may not be called "OpenSSL"
84  *    nor may "OpenSSL" appear in their names without prior written
85  *    permission of the OpenSSL Project.
86  *
87  * 6. Redistributions of any form whatsoever must retain the following
88  *    acknowledgment:
89  *    "This product includes software developed by the OpenSSL Project
90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91  *
92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103  * OF THE POSSIBILITY OF SUCH DAMAGE.
104  * ====================================================================
105  *
106  * This product includes cryptographic software written by Eric Young
107  * (eay@cryptsoft.com).  This product includes software written by Tim
108  * Hudson (tjh@cryptsoft.com).
109  *
110  */
111 /* ====================================================================
112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113  * ECC cipher suite support in OpenSSL originally developed by 
114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115  */
116 /* ====================================================================
117  * Copyright 2005 Nokia. All rights reserved.
118  *
119  * The portions of the attached software ("Contribution") is developed by
120  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
121  * license.
122  *
123  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
124  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
125  * support (see RFC 4279) to OpenSSL.
126  *
127  * No patent licenses or other rights except those expressly stated in
128  * the OpenSSL open source license shall be deemed granted or received
129  * expressly, by implication, estoppel, or otherwise.
130  *
131  * No assurances are provided by Nokia that the Contribution does not
132  * infringe the patent or other intellectual property rights of any third
133  * party or that the license provides you with all the necessary rights
134  * to make use of the Contribution.
135  *
136  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
137  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
138  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
139  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
140  * OTHERWISE.
141  */
142
143 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
144  * deprecated functions for openssl-internal code */
145 #ifdef OPENSSL_NO_DEPRECATED
146 #undef OPENSSL_NO_DEPRECATED
147 #endif
148
149 #include <assert.h>
150 #include <ctype.h>
151 #include <stdio.h>
152 #include <stdlib.h>
153 #include <string.h>
154
155 #include <openssl/e_os2.h>
156 #ifdef OPENSSL_NO_STDIO
157 #define APPS_WIN16
158 #endif
159
160 #if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
161 #include <sys/types.h>
162 #endif
163
164 /* With IPv6, it looks like Digital has mixed up the proper order of
165    recursive header file inclusion, resulting in the compiler complaining
166    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
167    is needed to have fileno() declared correctly...  So let's define u_int */
168 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
169 #define __U_INT
170 typedef unsigned int u_int;
171 #endif
172
173 #include <openssl/lhash.h>
174 #include <openssl/bn.h>
175 #define USE_SOCKETS
176 #include "apps.h"
177 #include <openssl/err.h>
178 #include <openssl/pem.h>
179 #include <openssl/x509.h>
180 #include <openssl/ssl.h>
181 #include <openssl/rand.h>
182 #include <openssl/ocsp.h>
183 #ifndef OPENSSL_NO_DH
184 #include <openssl/dh.h>
185 #endif
186 #ifndef OPENSSL_NO_RSA
187 #include <openssl/rsa.h>
188 #endif
189 #ifndef OPENSSL_NO_SRP
190 #include <openssl/srp.h>
191 #endif
192 #include "s_apps.h"
193 #include "timeouts.h"
194
195 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
196 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
197 #undef FIONBIO
198 #endif
199
200 #if defined(OPENSSL_SYS_BEOS_R5)
201 #include <fcntl.h>
202 #endif
203
204 #ifndef OPENSSL_NO_RSA
205 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
206 #endif
207 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
208 static int sv_body(char *hostname, int s, unsigned char *context);
209 static int www_body(char *hostname, int s, unsigned char *context);
210 static void close_accept_socket(void );
211 static void sv_usage(void);
212 static int init_ssl_connection(SSL *s);
213 static void print_stats(BIO *bp,SSL_CTX *ctx);
214 static int generate_session_id(const SSL *ssl, unsigned char *id,
215                                 unsigned int *id_len);
216 static void init_session_cache_ctx(SSL_CTX *sctx);
217 static void free_sessions(void);
218 #ifndef OPENSSL_NO_DH
219 static DH *load_dh_param(const char *dhfile);
220 static DH *get_dh512(void);
221 #endif
222
223 #ifdef MONOLITH
224 static void s_server_init(void);
225 #endif
226
227 #ifndef OPENSSL_NO_DH
228 static unsigned char dh512_p[]={
229         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
230         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
231         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
232         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
233         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
234         0x47,0x74,0xE8,0x33,
235         };
236 static unsigned char dh512_g[]={
237         0x02,
238         };
239
240 static DH *get_dh512(void)
241         {
242         DH *dh=NULL;
243
244         if ((dh=DH_new()) == NULL) return(NULL);
245         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
246         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
247         if ((dh->p == NULL) || (dh->g == NULL))
248                 return(NULL);
249         return(dh);
250         }
251 #endif
252
253
254 /* static int load_CA(SSL_CTX *ctx, char *file);*/
255
256 #undef BUFSIZZ
257 #define BUFSIZZ 16*1024
258 static int bufsize=BUFSIZZ;
259 static int accept_socket= -1;
260
261 #define TEST_CERT       "server.pem"
262 #ifndef OPENSSL_NO_TLSEXT
263 #define TEST_CERT2      "server2.pem"
264 #endif
265 #undef PROG
266 #define PROG            s_server_main
267
268 extern int verify_depth, verify_return_error;
269
270 static char *cipher=NULL;
271 static int s_server_verify=SSL_VERIFY_NONE;
272 static int s_server_session_id_context = 1; /* anything will do */
273 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
274 #ifndef OPENSSL_NO_TLSEXT
275 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
276 static char *curves=NULL;
277 static char *sigalgs=NULL;
278 #endif
279 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
280 #ifdef FIONBIO
281 static int s_nbio=0;
282 #endif
283 static int s_nbio_test=0;
284 int s_crlf=0;
285 static SSL_CTX *ctx=NULL;
286 #ifndef OPENSSL_NO_TLSEXT
287 static SSL_CTX *ctx2=NULL;
288 #endif
289 static int www=0;
290
291 static BIO *bio_s_out=NULL;
292 static BIO *bio_s_msg = NULL;
293 static int s_debug=0;
294 #ifndef OPENSSL_NO_TLSEXT
295 static int s_tlsextdebug=0;
296 static int s_tlsextstatus=0;
297 static int cert_status_cb(SSL *s, void *arg);
298 #endif
299 static int no_resume_ephemeral = 0;
300 static int s_msg=0;
301 static int s_quiet=0;
302
303 static char *keymatexportlabel=NULL;
304 static int keymatexportlen=20;
305
306 static int hack=0;
307 #ifndef OPENSSL_NO_ENGINE
308 static char *engine_id=NULL;
309 #endif
310 static const char *session_id_prefix=NULL;
311
312 static int enable_timeouts = 0;
313 static long socket_mtu;
314 #ifndef OPENSSL_NO_DTLS1
315 static int cert_chain = 0;
316 #endif
317
318 #ifndef OPENSSL_NO_TLSEXT
319 static BIO *authz_in = NULL;
320 static const char *s_authz_file = NULL;
321 #endif
322
323 #ifndef OPENSSL_NO_PSK
324 static char *psk_identity="Client_identity";
325 char *psk_key=NULL; /* by default PSK is not used */
326
327 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
328         unsigned char *psk, unsigned int max_psk_len)
329         {
330         unsigned int psk_len = 0;
331         int ret;
332         BIGNUM *bn = NULL;
333
334         if (s_debug)
335                 BIO_printf(bio_s_out,"psk_server_cb\n");
336         if (!identity)
337                 {
338                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
339                 goto out_err;
340                 }
341         if (s_debug)
342                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
343                         identity ? (int)strlen(identity) : 0, identity);
344
345         /* here we could lookup the given identity e.g. from a database */
346         if (strcmp(identity, psk_identity) != 0)
347                 {
348                 BIO_printf(bio_s_out, "PSK error: client identity not found"
349                            " (got '%s' expected '%s')\n", identity,
350                            psk_identity);
351                 goto out_err;
352                 }
353         if (s_debug)
354                 BIO_printf(bio_s_out, "PSK client identity found\n");
355
356         /* convert the PSK key to binary */
357         ret = BN_hex2bn(&bn, psk_key);
358         if (!ret)
359                 {
360                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
361                 if (bn)
362                         BN_free(bn);
363                 return 0;
364                 }
365         if (BN_num_bytes(bn) > (int)max_psk_len)
366                 {
367                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
368                         max_psk_len, BN_num_bytes(bn));
369                 BN_free(bn);
370                 return 0;
371                 }
372
373         ret = BN_bn2bin(bn, psk);
374         BN_free(bn);
375
376         if (ret < 0)
377                 goto out_err;
378         psk_len = (unsigned int)ret;
379
380         if (s_debug)
381                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
382         return psk_len;
383  out_err:
384         if (s_debug)
385                 BIO_printf(bio_err, "Error in PSK server callback\n");
386         return 0;
387         }
388 #endif
389
390 #ifndef OPENSSL_NO_SRP
391 /* This is a context that we pass to callbacks */
392 typedef struct srpsrvparm_st
393         {
394         char *login;
395         SRP_VBASE *vb;
396         SRP_user_pwd *user;
397         } srpsrvparm;
398
399 /* This callback pretends to require some asynchronous logic in order to obtain
400    a verifier. When the callback is called for a new connection we return
401    with a negative value. This will provoke the accept etc to return with
402    an LOOKUP_X509. The main logic of the reinvokes the suspended call 
403    (which would normally occur after a worker has finished) and we
404    set the user parameters. 
405 */
406 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
407         {
408         srpsrvparm *p = (srpsrvparm *)arg;
409         if (p->login == NULL && p->user == NULL )
410                 {
411                 p->login = SSL_get_srp_username(s);
412                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
413                 return (-1) ;
414                 }
415
416         if (p->user == NULL)
417                 {
418                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
419                 return SSL3_AL_FATAL;
420                 }
421         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
422                                      p->user->info) < 0)
423                 {
424                 *ad = SSL_AD_INTERNAL_ERROR;
425                 return SSL3_AL_FATAL;
426                 }
427         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
428         /* need to check whether there are memory leaks */
429         p->user = NULL;
430         p->login = NULL;
431         return SSL_ERROR_NONE;
432         }
433
434 #endif
435
436 #ifdef MONOLITH
437 static void s_server_init(void)
438         {
439         accept_socket=-1;
440         cipher=NULL;
441         s_server_verify=SSL_VERIFY_NONE;
442         s_dcert_file=NULL;
443         s_dkey_file=NULL;
444         s_dchain_file=NULL;
445         s_cert_file=TEST_CERT;
446         s_key_file=NULL;
447         s_chain_file=NULL;
448 #ifndef OPENSSL_NO_TLSEXT
449         curves=NULL;
450         s_cert_file2=TEST_CERT2;
451         s_key_file2=NULL;
452         ctx2=NULL;
453 #endif
454 #ifdef FIONBIO
455         s_nbio=0;
456 #endif
457         s_nbio_test=0;
458         ctx=NULL;
459         www=0;
460
461         bio_s_out=NULL;
462         s_debug=0;
463         s_msg=0;
464         s_quiet=0;
465         hack=0;
466 #ifndef OPENSSL_NO_ENGINE
467         engine_id=NULL;
468 #endif
469         }
470 #endif
471
472 static void sv_usage(void)
473         {
474         BIO_printf(bio_err,"usage: s_server [args ...]\n");
475         BIO_printf(bio_err,"\n");
476         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
477         BIO_printf(bio_err," -context arg  - set session ID context\n");
478         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
479         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
480         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
481         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
482         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
483         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
484                            "                 The CRL(s) are appended to the certificate file\n");
485         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
486                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
487                            "                 the certificate file.\n");
488         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
489         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
490         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
491         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
492         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
493         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
494         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
495         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
496         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
497         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
498         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
499         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
500 #ifndef OPENSSL_NO_ECDH
501         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
502                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
503                            "                 (default is nistp256).\n");
504 #endif
505 #ifdef FIONBIO
506         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
507 #endif
508         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
509         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
510         BIO_printf(bio_err," -debug        - Print more output\n");
511         BIO_printf(bio_err," -msg          - Show protocol messages\n");
512         BIO_printf(bio_err," -state        - Print the SSL states\n");
513         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
514         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
515         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
516         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
517         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
518         BIO_printf(bio_err," -quiet        - No server output\n");
519         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
520 #ifndef OPENSSL_NO_PSK
521         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
522         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
523 # ifndef OPENSSL_NO_JPAKE
524         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
525 # endif
526 #endif
527 #ifndef OPENSSL_NO_SRP
528         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
529         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
530 #endif
531         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
532         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
533         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
534         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
535         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
536         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
537         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
538         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
539         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
540         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
541         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
542         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
543         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
544         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
545 #ifndef OPENSSL_NO_DH
546         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
547 #endif
548 #ifndef OPENSSL_NO_ECDH
549         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
550 #endif
551         BIO_printf(bio_err, "-no_resume_ephemeral - Disable caching and tickets if ephemeral (EC)DH is used\n");
552         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
553         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
554         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
555         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
556         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
557 #ifndef OPENSSL_NO_ENGINE
558         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
559 #endif
560         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
561         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
562 #ifndef OPENSSL_NO_TLSEXT
563         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
564         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
565         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
566         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
567         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
568         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
569         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
570         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
571         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
572 # ifndef OPENSSL_NO_NEXTPROTONEG
573         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
574 # endif
575         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
576 #endif
577         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
578         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
579         }
580
581 static int local_argc=0;
582 static char **local_argv;
583
584 #ifdef CHARSET_EBCDIC
585 static int ebcdic_new(BIO *bi);
586 static int ebcdic_free(BIO *a);
587 static int ebcdic_read(BIO *b, char *out, int outl);
588 static int ebcdic_write(BIO *b, const char *in, int inl);
589 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
590 static int ebcdic_gets(BIO *bp, char *buf, int size);
591 static int ebcdic_puts(BIO *bp, const char *str);
592
593 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
594 static BIO_METHOD methods_ebcdic=
595         {
596         BIO_TYPE_EBCDIC_FILTER,
597         "EBCDIC/ASCII filter",
598         ebcdic_write,
599         ebcdic_read,
600         ebcdic_puts,
601         ebcdic_gets,
602         ebcdic_ctrl,
603         ebcdic_new,
604         ebcdic_free,
605         };
606
607 typedef struct
608 {
609         size_t  alloced;
610         char    buff[1];
611 } EBCDIC_OUTBUFF;
612
613 BIO_METHOD *BIO_f_ebcdic_filter()
614 {
615         return(&methods_ebcdic);
616 }
617
618 static int ebcdic_new(BIO *bi)
619 {
620         EBCDIC_OUTBUFF *wbuf;
621
622         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
623         wbuf->alloced = 1024;
624         wbuf->buff[0] = '\0';
625
626         bi->ptr=(char *)wbuf;
627         bi->init=1;
628         bi->flags=0;
629         return(1);
630 }
631
632 static int ebcdic_free(BIO *a)
633 {
634         if (a == NULL) return(0);
635         if (a->ptr != NULL)
636                 OPENSSL_free(a->ptr);
637         a->ptr=NULL;
638         a->init=0;
639         a->flags=0;
640         return(1);
641 }
642         
643 static int ebcdic_read(BIO *b, char *out, int outl)
644 {
645         int ret=0;
646
647         if (out == NULL || outl == 0) return(0);
648         if (b->next_bio == NULL) return(0);
649
650         ret=BIO_read(b->next_bio,out,outl);
651         if (ret > 0)
652                 ascii2ebcdic(out,out,ret);
653         return(ret);
654 }
655
656 static int ebcdic_write(BIO *b, const char *in, int inl)
657 {
658         EBCDIC_OUTBUFF *wbuf;
659         int ret=0;
660         int num;
661         unsigned char n;
662
663         if ((in == NULL) || (inl <= 0)) return(0);
664         if (b->next_bio == NULL) return(0);
665
666         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
667
668         if (inl > (num = wbuf->alloced))
669         {
670                 num = num + num;  /* double the size */
671                 if (num < inl)
672                         num = inl;
673                 OPENSSL_free(wbuf);
674                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
675
676                 wbuf->alloced = num;
677                 wbuf->buff[0] = '\0';
678
679                 b->ptr=(char *)wbuf;
680         }
681
682         ebcdic2ascii(wbuf->buff, in, inl);
683
684         ret=BIO_write(b->next_bio, wbuf->buff, inl);
685
686         return(ret);
687 }
688
689 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
690 {
691         long ret;
692
693         if (b->next_bio == NULL) return(0);
694         switch (cmd)
695         {
696         case BIO_CTRL_DUP:
697                 ret=0L;
698                 break;
699         default:
700                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
701                 break;
702         }
703         return(ret);
704 }
705
706 static int ebcdic_gets(BIO *bp, char *buf, int size)
707 {
708         int i, ret=0;
709         if (bp->next_bio == NULL) return(0);
710 /*      return(BIO_gets(bp->next_bio,buf,size));*/
711         for (i=0; i<size-1; ++i)
712         {
713                 ret = ebcdic_read(bp,&buf[i],1);
714                 if (ret <= 0)
715                         break;
716                 else if (buf[i] == '\n')
717                 {
718                         ++i;
719                         break;
720                 }
721         }
722         if (i < size)
723                 buf[i] = '\0';
724         return (ret < 0 && i == 0) ? ret : i;
725 }
726
727 static int ebcdic_puts(BIO *bp, const char *str)
728 {
729         if (bp->next_bio == NULL) return(0);
730         return ebcdic_write(bp, str, strlen(str));
731 }
732 #endif
733
734 #ifndef OPENSSL_NO_TLSEXT
735
736 /* This is a context that we pass to callbacks */
737 typedef struct tlsextctx_st {
738    char * servername;
739    BIO * biodebug;
740    int extension_error;
741 } tlsextctx;
742
743
744 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
745         {
746         tlsextctx * p = (tlsextctx *) arg;
747         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
748         if (servername && p->biodebug) 
749                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
750         
751         if (!p->servername)
752                 return SSL_TLSEXT_ERR_NOACK;
753         
754         if (servername)
755                 {
756                 if (strcmp(servername,p->servername)) 
757                         return p->extension_error;
758                 if (ctx2)
759                         {
760                         BIO_printf(p->biodebug,"Switching server context.\n");
761                         SSL_set_SSL_CTX(s,ctx2);
762                         }     
763                 }
764         return SSL_TLSEXT_ERR_OK;
765 }
766
767 /* Structure passed to cert status callback */
768
769 typedef struct tlsextstatusctx_st {
770    /* Default responder to use */
771    char *host, *path, *port;
772    int use_ssl;
773    int timeout;
774    BIO *err;
775    int verbose;
776 } tlsextstatusctx;
777
778 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
779
780 /* Certificate Status callback. This is called when a client includes a
781  * certificate status request extension.
782  *
783  * This is a simplified version. It examines certificates each time and
784  * makes one OCSP responder query for each request.
785  *
786  * A full version would store details such as the OCSP certificate IDs and
787  * minimise the number of OCSP responses by caching them until they were
788  * considered "expired".
789  */
790
791 static int cert_status_cb(SSL *s, void *arg)
792         {
793         tlsextstatusctx *srctx = arg;
794         BIO *err = srctx->err;
795         char *host, *port, *path;
796         int use_ssl;
797         unsigned char *rspder = NULL;
798         int rspderlen;
799         STACK_OF(OPENSSL_STRING) *aia = NULL;
800         X509 *x = NULL;
801         X509_STORE_CTX inctx;
802         X509_OBJECT obj;
803         OCSP_REQUEST *req = NULL;
804         OCSP_RESPONSE *resp = NULL;
805         OCSP_CERTID *id = NULL;
806         STACK_OF(X509_EXTENSION) *exts;
807         int ret = SSL_TLSEXT_ERR_NOACK;
808         int i;
809 #if 0
810 STACK_OF(OCSP_RESPID) *ids;
811 SSL_get_tlsext_status_ids(s, &ids);
812 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
813 #endif
814         if (srctx->verbose)
815                 BIO_puts(err, "cert_status: callback called\n");
816         /* Build up OCSP query from server certificate */
817         x = SSL_get_certificate(s);
818         aia = X509_get1_ocsp(x);
819         if (aia)
820                 {
821                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
822                         &host, &port, &path, &use_ssl))
823                         {
824                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
825                         goto err;
826                         }
827                 if (srctx->verbose)
828                         BIO_printf(err, "cert_status: AIA URL: %s\n",
829                                         sk_OPENSSL_STRING_value(aia, 0));
830                 }
831         else
832                 {
833                 if (!srctx->host)
834                         {
835                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
836                         goto done;
837                         }
838                 host = srctx->host;
839                 path = srctx->path;
840                 port = srctx->port;
841                 use_ssl = srctx->use_ssl;
842                 }
843                 
844         if (!X509_STORE_CTX_init(&inctx,
845                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
846                                 NULL, NULL))
847                 goto err;
848         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
849                                 X509_get_issuer_name(x),&obj) <= 0)
850                 {
851                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
852                 X509_STORE_CTX_cleanup(&inctx);
853                 goto done;
854                 }
855         req = OCSP_REQUEST_new();
856         if (!req)
857                 goto err;
858         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
859         X509_free(obj.data.x509);
860         X509_STORE_CTX_cleanup(&inctx);
861         if (!id)
862                 goto err;
863         if (!OCSP_request_add0_id(req, id))
864                 goto err;
865         id = NULL;
866         /* Add any extensions to the request */
867         SSL_get_tlsext_status_exts(s, &exts);
868         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
869                 {
870                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
871                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
872                         goto err;
873                 }
874         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
875                                         srctx->timeout);
876         if (!resp)
877                 {
878                 BIO_puts(err, "cert_status: error querying responder\n");
879                 goto done;
880                 }
881         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
882         if (rspderlen <= 0)
883                 goto err;
884         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
885         if (srctx->verbose)
886                 {
887                 BIO_puts(err, "cert_status: ocsp response sent:\n");
888                 OCSP_RESPONSE_print(err, resp, 2);
889                 }
890         ret = SSL_TLSEXT_ERR_OK;
891         done:
892         if (ret != SSL_TLSEXT_ERR_OK)
893                 ERR_print_errors(err);
894         if (aia)
895                 {
896                 OPENSSL_free(host);
897                 OPENSSL_free(path);
898                 OPENSSL_free(port);
899                 X509_email_free(aia);
900                 }
901         if (id)
902                 OCSP_CERTID_free(id);
903         if (req)
904                 OCSP_REQUEST_free(req);
905         if (resp)
906                 OCSP_RESPONSE_free(resp);
907         return ret;
908         err:
909         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
910         goto done;
911         }
912
913 # ifndef OPENSSL_NO_NEXTPROTONEG
914 /* This is the context that we pass to next_proto_cb */
915 typedef struct tlsextnextprotoctx_st {
916         unsigned char *data;
917         unsigned int len;
918 } tlsextnextprotoctx;
919
920 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
921         {
922         tlsextnextprotoctx *next_proto = arg;
923
924         *data = next_proto->data;
925         *len = next_proto->len;
926
927         return SSL_TLSEXT_ERR_OK;
928         }
929 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
930 #endif
931
932 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
933         {
934         /* disable resumption for sessions with forward secure ciphers */
935         return is_forward_secure;
936         }
937
938 int MAIN(int, char **);
939
940 #ifndef OPENSSL_NO_JPAKE
941 static char *jpake_secret = NULL;
942 #endif
943 #ifndef OPENSSL_NO_SRP
944         static srpsrvparm srp_callback_parm;
945 #endif
946 static char *srtp_profiles = NULL;
947
948 int MAIN(int argc, char *argv[])
949         {
950         X509_VERIFY_PARAM *vpm = NULL;
951         int badarg = 0;
952         short port=PORT;
953         char *CApath=NULL,*CAfile=NULL;
954         unsigned char *context = NULL;
955         char *dhfile = NULL;
956 #ifndef OPENSSL_NO_ECDH
957         char *named_curve = NULL;
958 #endif
959         int badop=0,bugs=0;
960         int ret=1;
961         int off=0;
962         int cert_flags = 0;
963         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
964         int state=0;
965         const SSL_METHOD *meth=NULL;
966         int socket_type=SOCK_STREAM;
967         ENGINE *e=NULL;
968         char *inrand=NULL;
969         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
970         char *passarg = NULL, *pass = NULL;
971         char *dpassarg = NULL, *dpass = NULL;
972         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
973         X509 *s_cert = NULL, *s_dcert = NULL;
974         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
975         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
976         int no_cache = 0, ext_cache = 0;
977 #ifndef OPENSSL_NO_TLSEXT
978         EVP_PKEY *s_key2 = NULL;
979         X509 *s_cert2 = NULL;
980         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
981 # ifndef OPENSSL_NO_NEXTPROTONEG
982         const char *next_proto_neg_in = NULL;
983         tlsextnextprotoctx next_proto;
984 # endif
985 #endif
986 #ifndef OPENSSL_NO_PSK
987         /* by default do not send a PSK identity hint */
988         static char *psk_identity_hint=NULL;
989 #endif
990 #ifndef OPENSSL_NO_SRP
991         char *srpuserseed = NULL;
992         char *srp_verifier_file = NULL;
993 #endif
994         SSL_EXCERT *exc = NULL;
995         meth=SSLv23_server_method();
996
997         local_argc=argc;
998         local_argv=argv;
999
1000         apps_startup();
1001 #ifdef MONOLITH
1002         s_server_init();
1003 #endif
1004
1005         if (bio_err == NULL)
1006                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1007
1008         if (!load_config(bio_err, NULL))
1009                 goto end;
1010
1011         verify_depth=0;
1012 #ifdef FIONBIO
1013         s_nbio=0;
1014 #endif
1015         s_nbio_test=0;
1016
1017         argc--;
1018         argv++;
1019
1020         while (argc >= 1)
1021                 {
1022                 if      ((strcmp(*argv,"-port") == 0) ||
1023                          (strcmp(*argv,"-accept") == 0))
1024                         {
1025                         if (--argc < 1) goto bad;
1026                         if (!extract_port(*(++argv),&port))
1027                                 goto bad;
1028                         }
1029                 else if (strcmp(*argv,"-verify") == 0)
1030                         {
1031                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1032                         if (--argc < 1) goto bad;
1033                         verify_depth=atoi(*(++argv));
1034                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1035                         }
1036                 else if (strcmp(*argv,"-Verify") == 0)
1037                         {
1038                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1039                                 SSL_VERIFY_CLIENT_ONCE;
1040                         if (--argc < 1) goto bad;
1041                         verify_depth=atoi(*(++argv));
1042                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1043                         }
1044                 else if (strcmp(*argv,"-context") == 0)
1045                         {
1046                         if (--argc < 1) goto bad;
1047                         context= (unsigned char *)*(++argv);
1048                         }
1049                 else if (strcmp(*argv,"-cert") == 0)
1050                         {
1051                         if (--argc < 1) goto bad;
1052                         s_cert_file= *(++argv);
1053                         }
1054 #ifndef OPENSSL_NO_TLSEXT
1055                 else if (strcmp(*argv,"-authz") == 0)
1056                         {
1057                         if (--argc < 1) goto bad;
1058                         s_authz_file = *(++argv);
1059                         }
1060 #endif
1061                 else if (strcmp(*argv,"-certform") == 0)
1062                         {
1063                         if (--argc < 1) goto bad;
1064                         s_cert_format = str2fmt(*(++argv));
1065                         }
1066                 else if (strcmp(*argv,"-key") == 0)
1067                         {
1068                         if (--argc < 1) goto bad;
1069                         s_key_file= *(++argv);
1070                         }
1071                 else if (strcmp(*argv,"-keyform") == 0)
1072                         {
1073                         if (--argc < 1) goto bad;
1074                         s_key_format = str2fmt(*(++argv));
1075                         }
1076                 else if (strcmp(*argv,"-pass") == 0)
1077                         {
1078                         if (--argc < 1) goto bad;
1079                         passarg = *(++argv);
1080                         }
1081                 else if (strcmp(*argv,"-cert_chain") == 0)
1082                         {
1083                         if (--argc < 1) goto bad;
1084                         s_chain_file= *(++argv);
1085                         }
1086                 else if (strcmp(*argv,"-dhparam") == 0)
1087                         {
1088                         if (--argc < 1) goto bad;
1089                         dhfile = *(++argv);
1090                         }
1091 #ifndef OPENSSL_NO_ECDH         
1092                 else if (strcmp(*argv,"-named_curve") == 0)
1093                         {
1094                         if (--argc < 1) goto bad;
1095                         named_curve = *(++argv);
1096                         }
1097 #endif
1098                 else if (strcmp(*argv,"-dcertform") == 0)
1099                         {
1100                         if (--argc < 1) goto bad;
1101                         s_dcert_format = str2fmt(*(++argv));
1102                         }
1103                 else if (strcmp(*argv,"-dcert") == 0)
1104                         {
1105                         if (--argc < 1) goto bad;
1106                         s_dcert_file= *(++argv);
1107                         }
1108                 else if (strcmp(*argv,"-dkeyform") == 0)
1109                         {
1110                         if (--argc < 1) goto bad;
1111                         s_dkey_format = str2fmt(*(++argv));
1112                         }
1113                 else if (strcmp(*argv,"-dpass") == 0)
1114                         {
1115                         if (--argc < 1) goto bad;
1116                         dpassarg = *(++argv);
1117                         }
1118                 else if (strcmp(*argv,"-dkey") == 0)
1119                         {
1120                         if (--argc < 1) goto bad;
1121                         s_dkey_file= *(++argv);
1122                         }
1123                 else if (strcmp(*argv,"-dcert_chain") == 0)
1124                         {
1125                         if (--argc < 1) goto bad;
1126                         s_dchain_file= *(++argv);
1127                         }
1128                 else if (strcmp(*argv,"-nocert") == 0)
1129                         {
1130                         nocert=1;
1131                         }
1132                 else if (strcmp(*argv,"-CApath") == 0)
1133                         {
1134                         if (--argc < 1) goto bad;
1135                         CApath= *(++argv);
1136                         }
1137                 else if (strcmp(*argv,"-no_cache") == 0)
1138                         no_cache = 1;
1139                 else if (strcmp(*argv,"-ext_cache") == 0)
1140                         ext_cache = 1;
1141                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1142                         {
1143                         if (badarg)
1144                                 goto bad;
1145                         continue;
1146                         }
1147                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1148                         {
1149                         if (badarg)
1150                                 goto bad;
1151                         continue;
1152                         }
1153                 else if (strcmp(*argv,"-verify_return_error") == 0)
1154                         verify_return_error = 1;
1155                 else if (strcmp(*argv,"-serverpref") == 0)
1156                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1157                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1158                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1159                 else if (strcmp(*argv,"-cipher") == 0)
1160                         {
1161                         if (--argc < 1) goto bad;
1162                         cipher= *(++argv);
1163                         }
1164                 else if (strcmp(*argv,"-CAfile") == 0)
1165                         {
1166                         if (--argc < 1) goto bad;
1167                         CAfile= *(++argv);
1168                         }
1169 #ifdef FIONBIO  
1170                 else if (strcmp(*argv,"-nbio") == 0)
1171                         { s_nbio=1; }
1172 #endif
1173                 else if (strcmp(*argv,"-nbio_test") == 0)
1174                         {
1175 #ifdef FIONBIO  
1176                         s_nbio=1;
1177 #endif
1178                         s_nbio_test=1;
1179                         }
1180                 else if (strcmp(*argv,"-debug") == 0)
1181                         { s_debug=1; }
1182 #ifndef OPENSSL_NO_TLSEXT
1183                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1184                         s_tlsextdebug=1;
1185                 else if (strcmp(*argv,"-status") == 0)
1186                         s_tlsextstatus=1;
1187                 else if (strcmp(*argv,"-status_verbose") == 0)
1188                         {
1189                         s_tlsextstatus=1;
1190                         tlscstatp.verbose = 1;
1191                         }
1192                 else if (!strcmp(*argv, "-status_timeout"))
1193                         {
1194                         s_tlsextstatus=1;
1195                         if (--argc < 1) goto bad;
1196                         tlscstatp.timeout = atoi(*(++argv));
1197                         }
1198                 else if (!strcmp(*argv, "-status_url"))
1199                         {
1200                         s_tlsextstatus=1;
1201                         if (--argc < 1) goto bad;
1202                         if (!OCSP_parse_url(*(++argv),
1203                                         &tlscstatp.host,
1204                                         &tlscstatp.port,
1205                                         &tlscstatp.path,
1206                                         &tlscstatp.use_ssl))
1207                                 {
1208                                 BIO_printf(bio_err, "Error parsing URL\n");
1209                                 goto bad;
1210                                 }
1211                         }
1212                 else if (strcmp(*argv,"-curves") == 0)
1213                         {
1214                         if (--argc < 1) goto bad;
1215                         curves= *(++argv);
1216                         }
1217                 else if (strcmp(*argv,"-sigalgs") == 0)
1218                         {
1219                         if (--argc < 1) goto bad;
1220                         sigalgs= *(++argv);
1221                         }
1222 #endif
1223                 else if (strcmp(*argv,"-msg") == 0)
1224                         { s_msg=1; }
1225                 else if (strcmp(*argv,"-msgfile") == 0)
1226                         {
1227                         if (--argc < 1) goto bad;
1228                         bio_s_msg = BIO_new_file(*(++argv), "w");
1229                         }
1230 #ifndef OPENSSL_NO_SSL_TRACE
1231                 else if (strcmp(*argv,"-trace") == 0)
1232                         { s_msg=2; }
1233 #endif
1234                 else if (strcmp(*argv,"-hack") == 0)
1235                         { hack=1; }
1236                 else if (strcmp(*argv,"-state") == 0)
1237                         { state=1; }
1238                 else if (strcmp(*argv,"-crlf") == 0)
1239                         { s_crlf=1; }
1240                 else if (strcmp(*argv,"-quiet") == 0)
1241                         { s_quiet=1; }
1242                 else if (strcmp(*argv,"-bugs") == 0)
1243                         { bugs=1; }
1244                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1245                         { no_tmp_rsa=1; }
1246                 else if (strcmp(*argv,"-no_dhe") == 0)
1247                         { no_dhe=1; }
1248                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1249                         { no_ecdhe=1; }
1250                 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1251                         { no_resume_ephemeral = 1; }
1252 #ifndef OPENSSL_NO_PSK
1253                 else if (strcmp(*argv,"-psk_hint") == 0)
1254                         {
1255                         if (--argc < 1) goto bad;
1256                         psk_identity_hint= *(++argv);
1257                         }
1258                 else if (strcmp(*argv,"-psk") == 0)
1259                         {
1260                         size_t i;
1261
1262                         if (--argc < 1) goto bad;
1263                         psk_key=*(++argv);
1264                         for (i=0; i<strlen(psk_key); i++)
1265                                 {
1266                                 if (isxdigit((unsigned char)psk_key[i]))
1267                                         continue;
1268                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1269                                 goto bad;
1270                                 }
1271                         }
1272 #endif
1273 #ifndef OPENSSL_NO_SRP
1274                 else if (strcmp(*argv, "-srpvfile") == 0)
1275                         {
1276                         if (--argc < 1) goto bad;
1277                         srp_verifier_file = *(++argv);
1278                         meth = TLSv1_server_method();
1279                         }
1280                 else if (strcmp(*argv, "-srpuserseed") == 0)
1281                         {
1282                         if (--argc < 1) goto bad;
1283                         srpuserseed = *(++argv);
1284                         meth = TLSv1_server_method();
1285                         }
1286 #endif
1287                 else if (strcmp(*argv,"-www") == 0)
1288                         { www=1; }
1289                 else if (strcmp(*argv,"-WWW") == 0)
1290                         { www=2; }
1291                 else if (strcmp(*argv,"-HTTP") == 0)
1292                         { www=3; }
1293                 else if (strcmp(*argv,"-no_ssl2") == 0)
1294                         { off|=SSL_OP_NO_SSLv2; }
1295                 else if (strcmp(*argv,"-no_ssl3") == 0)
1296                         { off|=SSL_OP_NO_SSLv3; }
1297                 else if (strcmp(*argv,"-no_tls1") == 0)
1298                         { off|=SSL_OP_NO_TLSv1; }
1299                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1300                         { off|=SSL_OP_NO_TLSv1_1; }
1301                 else if (strcmp(*argv,"-no_tls1_2") == 0)
1302                         { off|=SSL_OP_NO_TLSv1_2; }
1303                 else if (strcmp(*argv,"-no_comp") == 0)
1304                         { off|=SSL_OP_NO_COMPRESSION; }
1305 #ifndef OPENSSL_NO_TLSEXT
1306                 else if (strcmp(*argv,"-no_ticket") == 0)
1307                         { off|=SSL_OP_NO_TICKET; }
1308 #endif
1309 #ifndef OPENSSL_NO_SSL2
1310                 else if (strcmp(*argv,"-ssl2") == 0)
1311                         { meth=SSLv2_server_method(); }
1312 #endif
1313 #ifndef OPENSSL_NO_SSL3
1314                 else if (strcmp(*argv,"-ssl3") == 0)
1315                         { meth=SSLv3_server_method(); }
1316 #endif
1317 #ifndef OPENSSL_NO_TLS1
1318                 else if (strcmp(*argv,"-tls1") == 0)
1319                         { meth=TLSv1_server_method(); }
1320                 else if (strcmp(*argv,"-tls1_1") == 0)
1321                         { meth=TLSv1_1_server_method(); }
1322                 else if (strcmp(*argv,"-tls1_2") == 0)
1323                         { meth=TLSv1_2_server_method(); }
1324 #endif
1325 #ifndef OPENSSL_NO_DTLS1
1326                 else if (strcmp(*argv,"-dtls1") == 0)
1327                         { 
1328                         meth=DTLSv1_server_method();
1329                         socket_type = SOCK_DGRAM;
1330                         }
1331                 else if (strcmp(*argv,"-timeout") == 0)
1332                         enable_timeouts = 1;
1333                 else if (strcmp(*argv,"-mtu") == 0)
1334                         {
1335                         if (--argc < 1) goto bad;
1336                         socket_mtu = atol(*(++argv));
1337                         }
1338                 else if (strcmp(*argv, "-chain") == 0)
1339                         cert_chain = 1;
1340 #endif
1341                 else if (strcmp(*argv, "-id_prefix") == 0)
1342                         {
1343                         if (--argc < 1) goto bad;
1344                         session_id_prefix = *(++argv);
1345                         }
1346 #ifndef OPENSSL_NO_ENGINE
1347                 else if (strcmp(*argv,"-engine") == 0)
1348                         {
1349                         if (--argc < 1) goto bad;
1350                         engine_id= *(++argv);
1351                         }
1352 #endif
1353                 else if (strcmp(*argv,"-rand") == 0)
1354                         {
1355                         if (--argc < 1) goto bad;
1356                         inrand= *(++argv);
1357                         }
1358 #ifndef OPENSSL_NO_TLSEXT
1359                 else if (strcmp(*argv,"-servername") == 0)
1360                         {
1361                         if (--argc < 1) goto bad;
1362                         tlsextcbp.servername= *(++argv);
1363                         }
1364                 else if (strcmp(*argv,"-servername_fatal") == 0)
1365                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1366                 else if (strcmp(*argv,"-cert2") == 0)
1367                         {
1368                         if (--argc < 1) goto bad;
1369                         s_cert_file2= *(++argv);
1370                         }
1371                 else if (strcmp(*argv,"-key2") == 0)
1372                         {
1373                         if (--argc < 1) goto bad;
1374                         s_key_file2= *(++argv);
1375                         }
1376 # ifndef OPENSSL_NO_NEXTPROTONEG
1377                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1378                         {
1379                         if (--argc < 1) goto bad;
1380                         next_proto_neg_in = *(++argv);
1381                         }
1382 # endif
1383 #endif
1384 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1385                 else if (strcmp(*argv,"-jpake") == 0)
1386                         {
1387                         if (--argc < 1) goto bad;
1388                         jpake_secret = *(++argv);
1389                         }
1390 #endif
1391                 else if (strcmp(*argv,"-use_srtp") == 0)
1392                         {
1393                         if (--argc < 1) goto bad;
1394                         srtp_profiles = *(++argv);
1395                         }
1396                 else if (strcmp(*argv,"-keymatexport") == 0)
1397                         {
1398                         if (--argc < 1) goto bad;
1399                         keymatexportlabel= *(++argv);
1400                         }
1401                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1402                         {
1403                         if (--argc < 1) goto bad;
1404                         keymatexportlen=atoi(*(++argv));
1405                         if (keymatexportlen == 0) goto bad;
1406                         }
1407                 else if (strcmp(*argv, "-cert_strict") == 0)
1408                         cert_flags |= SSL_CERT_FLAG_TLS_STRICT;
1409                 else
1410                         {
1411                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1412                         badop=1;
1413                         break;
1414                         }
1415                 argc--;
1416                 argv++;
1417                 }
1418         if (badop)
1419                 {
1420 bad:
1421                 sv_usage();
1422                 goto end;
1423                 }
1424
1425 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1426         if (jpake_secret)
1427                 {
1428                 if (psk_key)
1429                         {
1430                         BIO_printf(bio_err,
1431                                    "Can't use JPAKE and PSK together\n");
1432                         goto end;
1433                         }
1434                 psk_identity = "JPAKE";
1435                 if (cipher)
1436                         {
1437                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1438                         goto end;
1439                         }
1440                 cipher = "PSK";
1441                 }
1442
1443 #endif
1444
1445         SSL_load_error_strings();
1446         OpenSSL_add_ssl_algorithms();
1447
1448 #ifndef OPENSSL_NO_ENGINE
1449         e = setup_engine(bio_err, engine_id, 1);
1450 #endif
1451
1452         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1453                 {
1454                 BIO_printf(bio_err, "Error getting password\n");
1455                 goto end;
1456                 }
1457
1458
1459         if (s_key_file == NULL)
1460                 s_key_file = s_cert_file;
1461 #ifndef OPENSSL_NO_TLSEXT
1462         if (s_key_file2 == NULL)
1463                 s_key_file2 = s_cert_file2;
1464 #endif
1465
1466         if (!load_excert(&exc, bio_err))
1467                 goto end;
1468
1469         if (nocert == 0)
1470                 {
1471                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1472                        "server certificate private key file");
1473                 if (!s_key)
1474                         {
1475                         ERR_print_errors(bio_err);
1476                         goto end;
1477                         }
1478
1479                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1480                         NULL, e, "server certificate file");
1481
1482                 if (!s_cert)
1483                         {
1484                         ERR_print_errors(bio_err);
1485                         goto end;
1486                         }
1487                 if (s_chain_file)
1488                         {
1489                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1490                                         NULL, e, "server certificate chain");
1491                         if (!s_chain)
1492                                 goto end;
1493                         }
1494
1495 #ifndef OPENSSL_NO_TLSEXT
1496                 if (tlsextcbp.servername) 
1497                         {
1498                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1499                                 "second server certificate private key file");
1500                         if (!s_key2)
1501                                 {
1502                                 ERR_print_errors(bio_err);
1503                                 goto end;
1504                                 }
1505                         
1506                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1507                                 NULL, e, "second server certificate file");
1508                         
1509                         if (!s_cert2)
1510                                 {
1511                                 ERR_print_errors(bio_err);
1512                                 goto end;
1513                                 }
1514                         }
1515
1516 # ifndef OPENSSL_NO_NEXTPROTONEG
1517                 if (next_proto_neg_in)
1518                         {
1519                         unsigned short len;
1520                         next_proto.data = next_protos_parse(&len,
1521                                 next_proto_neg_in);
1522                         if (next_proto.data == NULL)
1523                                 goto end;
1524                         next_proto.len = len;
1525                         }
1526                 else
1527                         {
1528                         next_proto.data = NULL;
1529                         }
1530 # endif
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         if (cert_flags) SSL_CTX_set_cert_flags(ctx, cert_flags);
1631         if (exc) ssl_ctx_set_excert(ctx, exc);
1632         /* DTLS: partial reads end up discarding unread UDP bytes :-( 
1633          * Setting read ahead solves this problem.
1634          */
1635         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1636
1637         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1638         if (no_cache)
1639                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1640         else if (ext_cache)
1641                 init_session_cache_ctx(ctx);
1642         else
1643                 SSL_CTX_sess_set_cache_size(ctx,128);
1644
1645         if (srtp_profiles != NULL)
1646                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1647
1648 #if 0
1649         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1650 #endif
1651
1652 #if 0
1653         if (s_cert_file == NULL)
1654                 {
1655                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1656                 goto end;
1657                 }
1658 #endif
1659
1660         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1661                 (!SSL_CTX_set_default_verify_paths(ctx)))
1662                 {
1663                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1664                 ERR_print_errors(bio_err);
1665                 /* goto end; */
1666                 }
1667         if (vpm)
1668                 SSL_CTX_set1_param(ctx, vpm);
1669
1670 #ifndef OPENSSL_NO_TLSEXT
1671         if (s_cert2)
1672                 {
1673                 ctx2=SSL_CTX_new(meth);
1674                 if (ctx2 == NULL)
1675                         {
1676                         ERR_print_errors(bio_err);
1677                         goto end;
1678                         }
1679                 }
1680         
1681         if (ctx2)
1682                 {
1683                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1684
1685                 if (session_id_prefix)
1686                         {
1687                         if(strlen(session_id_prefix) >= 32)
1688                                 BIO_printf(bio_err,
1689                                         "warning: id_prefix is too long, only one new session will be possible\n");
1690                         else if(strlen(session_id_prefix) >= 16)
1691                                 BIO_printf(bio_err,
1692                                         "warning: id_prefix is too long if you use SSLv2\n");
1693                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1694                                 {
1695                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1696                                 ERR_print_errors(bio_err);
1697                                 goto end;
1698                                 }
1699                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1700                         }
1701                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1702                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1703                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1704                 SSL_CTX_set_options(ctx2,off);
1705                 if (cert_flags) SSL_CTX_set_cert_flags(ctx2, cert_flags);
1706                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1707                 /* DTLS: partial reads end up discarding unread UDP bytes :-( 
1708                  * Setting read ahead solves this problem.
1709                  */
1710                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1711
1712                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1713
1714                 if (no_cache)
1715                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1716                 else if (ext_cache)
1717                         init_session_cache_ctx(ctx2);
1718                 else
1719                         SSL_CTX_sess_set_cache_size(ctx2,128);
1720
1721                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1722                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1723                         {
1724                         ERR_print_errors(bio_err);
1725                         }
1726                 if (vpm)
1727                         SSL_CTX_set1_param(ctx2, vpm);
1728                 }
1729
1730 # ifndef OPENSSL_NO_NEXTPROTONEG
1731         if (next_proto.data)
1732                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1733 # endif
1734 #endif 
1735
1736 #ifndef OPENSSL_NO_DH
1737         if (!no_dhe)
1738                 {
1739                 DH *dh=NULL;
1740
1741                 if (dhfile)
1742                         dh = load_dh_param(dhfile);
1743                 else if (s_cert_file)
1744                         dh = load_dh_param(s_cert_file);
1745
1746                 if (dh != NULL)
1747                         {
1748                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1749                         }
1750                 else
1751                         {
1752                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1753                         dh=get_dh512();
1754                         }
1755                 (void)BIO_flush(bio_s_out);
1756
1757                 SSL_CTX_set_tmp_dh(ctx,dh);
1758 #ifndef OPENSSL_NO_TLSEXT
1759                 if (ctx2)
1760                         {
1761                         if (!dhfile)
1762                                 { 
1763                                 DH *dh2=load_dh_param(s_cert_file2);
1764                                 if (dh2 != NULL)
1765                                         {
1766                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1767                                         (void)BIO_flush(bio_s_out);
1768
1769                                         DH_free(dh);
1770                                         dh = dh2;
1771                                         }
1772                                 }
1773                         SSL_CTX_set_tmp_dh(ctx2,dh);
1774                         }
1775 #endif
1776                 DH_free(dh);
1777                 }
1778 #endif
1779
1780 #ifndef OPENSSL_NO_ECDH
1781         if (!no_ecdhe)
1782                 {
1783                 EC_KEY *ecdh=NULL;
1784
1785                 if (named_curve && strcmp(named_curve, "auto"))
1786                         {
1787                         int nid = EC_curve_nist2nid(named_curve);
1788                         if (nid == NID_undef)
1789                                 nid = OBJ_sn2nid(named_curve);
1790                         if (nid == 0)
1791                                 {
1792                                 BIO_printf(bio_err, "unknown curve name (%s)\n", 
1793                                         named_curve);
1794                                 goto end;
1795                                 }
1796                         ecdh = EC_KEY_new_by_curve_name(nid);
1797                         if (ecdh == NULL)
1798                                 {
1799                                 BIO_printf(bio_err, "unable to create curve (%s)\n", 
1800                                         named_curve);
1801                                 goto end;
1802                                 }
1803                         }
1804
1805                 if (ecdh != NULL)
1806                         {
1807                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1808                         }
1809                 else if (named_curve)
1810                         SSL_CTX_set_ecdh_auto(ctx, 1);
1811                 else
1812                         {
1813                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1814                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1815                         if (ecdh == NULL) 
1816                                 {
1817                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1818                                 goto end;
1819                                 }
1820                         }
1821                 (void)BIO_flush(bio_s_out);
1822
1823                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1824 #ifndef OPENSSL_NO_TLSEXT
1825                 if (ctx2) 
1826                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1827 #endif
1828                 EC_KEY_free(ecdh);
1829                 }
1830 #endif
1831         
1832         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain))
1833                 goto end;
1834 #ifndef OPENSSL_NO_TLSEXT
1835         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1836                 goto end;
1837 #endif
1838 #ifndef OPENSSL_NO_TLSEXT
1839         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL))
1840                 goto end; 
1841 #endif
1842         if (s_dcert != NULL)
1843                 {
1844                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain))
1845                         goto end;
1846                 }
1847
1848 #ifndef OPENSSL_NO_RSA
1849 #if 1
1850         if (!no_tmp_rsa)
1851                 {
1852                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1853 #ifndef OPENSSL_NO_TLSEXT
1854                 if (ctx2) 
1855                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1856 #endif          
1857                 }
1858 #else
1859         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1860                 {
1861                 RSA *rsa;
1862
1863                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1864                 BIO_flush(bio_s_out);
1865
1866                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1867
1868                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1869                         {
1870                         ERR_print_errors(bio_err);
1871                         goto end;
1872                         }
1873 #ifndef OPENSSL_NO_TLSEXT
1874                         if (ctx2)
1875                                 {
1876                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1877                                         {
1878                                         ERR_print_errors(bio_err);
1879                                         goto end;
1880                                         }
1881                                 }
1882 #endif
1883                 RSA_free(rsa);
1884                 BIO_printf(bio_s_out,"\n");
1885                 }
1886 #endif
1887 #endif
1888
1889         if (no_resume_ephemeral)
1890                 {
1891                 SSL_CTX_set_not_resumable_session_callback(ctx, not_resumable_sess_cb);
1892 #ifndef OPENSSL_NO_TLSEXT
1893                 if (ctx2)
1894                         SSL_CTX_set_not_resumable_session_callback(ctx2, not_resumable_sess_cb);
1895 #endif
1896                 }
1897
1898 #ifndef OPENSSL_NO_PSK
1899 #ifdef OPENSSL_NO_JPAKE
1900         if (psk_key != NULL)
1901 #else
1902         if (psk_key != NULL || jpake_secret)
1903 #endif
1904                 {
1905                 if (s_debug)
1906                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1907                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1908                 }
1909
1910         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1911                 {
1912                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1913                 ERR_print_errors(bio_err);
1914                 goto end;
1915                 }
1916 #endif
1917
1918         if (cipher != NULL)
1919                 {
1920                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1921                         {
1922                         BIO_printf(bio_err,"error setting cipher list\n");
1923                         ERR_print_errors(bio_err);
1924                         goto end;
1925                         }
1926 #ifndef OPENSSL_NO_TLSEXT
1927                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1928                         {
1929                         BIO_printf(bio_err,"error setting cipher list\n");
1930                         ERR_print_errors(bio_err);
1931                         goto end;
1932                         }
1933 #endif
1934                 }
1935 #ifndef OPENSSL_NO_TLSEXT
1936         if (curves)
1937                 {
1938                 if(!SSL_CTX_set1_curves_list(ctx,curves))
1939                         {
1940                         BIO_printf(bio_err,"error setting curves list\n");
1941                         ERR_print_errors(bio_err);
1942                         goto end;
1943                         }
1944                 if(ctx2 && !SSL_CTX_set1_curves_list(ctx2,curves))
1945                         {
1946                         BIO_printf(bio_err,"error setting curves list\n");
1947                         ERR_print_errors(bio_err);
1948                         goto end;
1949                         }
1950                 }
1951         if (sigalgs)
1952                 {
1953                 if(!SSL_CTX_set1_sigalgs_list(ctx,sigalgs))
1954                         {
1955                         BIO_printf(bio_err,"error setting signature algorithms\n");
1956                         ERR_print_errors(bio_err);
1957                         goto end;
1958                         }
1959                 if(ctx2 && !SSL_CTX_set1_sigalgs_list(ctx2,sigalgs))
1960                         {
1961                         BIO_printf(bio_err,"error setting signature algorithms\n");
1962                         ERR_print_errors(bio_err);
1963                         goto end;
1964                         }
1965                 }
1966 #endif
1967         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1968         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1969                 sizeof s_server_session_id_context);
1970
1971         /* Set DTLS cookie generation and verification callbacks */
1972         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1973         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1974
1975 #ifndef OPENSSL_NO_TLSEXT
1976         if (ctx2)
1977                 {
1978                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1979                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1980                         sizeof s_server_session_id_context);
1981
1982                 tlsextcbp.biodebug = bio_s_out;
1983                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1984                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1985                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1986                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1987                 }
1988 #endif
1989
1990 #ifndef OPENSSL_NO_SRP
1991         if (srp_verifier_file != NULL)
1992                 {
1993                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1994                 srp_callback_parm.user = NULL;
1995                 srp_callback_parm.login = NULL;
1996                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1997                         {
1998                         BIO_printf(bio_err,
1999                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2000                                    srp_verifier_file, ret);
2001                                 goto end;
2002                         }
2003                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
2004                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);                        
2005                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2006                 }
2007         else
2008 #endif
2009         if (CAfile != NULL)
2010                 {
2011                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
2012 #ifndef OPENSSL_NO_TLSEXT
2013                 if (ctx2) 
2014                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
2015 #endif
2016                 }
2017
2018         BIO_printf(bio_s_out,"ACCEPT\n");
2019         (void)BIO_flush(bio_s_out);
2020         if (www)
2021                 do_server(port,socket_type,&accept_socket,www_body, context);
2022         else
2023                 do_server(port,socket_type,&accept_socket,sv_body, context);
2024         print_stats(bio_s_out,ctx);
2025         ret=0;
2026 end:
2027         if (ctx != NULL) SSL_CTX_free(ctx);
2028         if (s_cert)
2029                 X509_free(s_cert);
2030         if (s_dcert)
2031                 X509_free(s_dcert);
2032         if (s_key)
2033                 EVP_PKEY_free(s_key);
2034         if (s_dkey)
2035                 EVP_PKEY_free(s_dkey);
2036         if (pass)
2037                 OPENSSL_free(pass);
2038         if (dpass)
2039                 OPENSSL_free(dpass);
2040         free_sessions();
2041 #ifndef OPENSSL_NO_TLSEXT
2042         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2043         if (s_cert2)
2044                 X509_free(s_cert2);
2045         if (s_key2)
2046                 EVP_PKEY_free(s_key2);
2047         if (authz_in != NULL)
2048                 BIO_free(authz_in);
2049 #endif
2050         ssl_excert_free(exc);
2051         if (bio_s_out != NULL)
2052                 {
2053         BIO_free(bio_s_out);
2054                 bio_s_out=NULL;
2055                 }
2056         if (bio_s_msg != NULL)
2057                 {
2058                 BIO_free(bio_s_msg);
2059                 bio_s_msg = NULL;
2060                 }
2061         apps_shutdown();
2062         OPENSSL_EXIT(ret);
2063         }
2064
2065 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2066         {
2067         BIO_printf(bio,"%4ld items in the session cache\n",
2068                 SSL_CTX_sess_number(ssl_ctx));
2069         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2070                 SSL_CTX_sess_connect(ssl_ctx));
2071         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2072                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2073         BIO_printf(bio,"%4ld client connects that finished\n",
2074                 SSL_CTX_sess_connect_good(ssl_ctx));
2075         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2076                 SSL_CTX_sess_accept(ssl_ctx));
2077         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2078                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2079         BIO_printf(bio,"%4ld server accepts that finished\n",
2080                 SSL_CTX_sess_accept_good(ssl_ctx));
2081         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2082         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2083         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2084         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2085         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2086                 SSL_CTX_sess_cache_full(ssl_ctx),
2087                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2088         }
2089
2090 static int sv_body(char *hostname, int s, unsigned char *context)
2091         {
2092         char *buf=NULL;
2093         fd_set readfds;
2094         int ret=1,width;
2095         int k,i;
2096         unsigned long l;
2097         SSL *con=NULL;
2098         BIO *sbio;
2099 #ifndef OPENSSL_NO_KRB5
2100         KSSL_CTX *kctx;
2101 #endif
2102         struct timeval timeout;
2103 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2104         struct timeval tv;
2105 #else
2106         struct timeval *timeoutp;
2107 #endif
2108
2109         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2110                 {
2111                 BIO_printf(bio_err,"out of memory\n");
2112                 goto err;
2113                 }
2114 #ifdef FIONBIO  
2115         if (s_nbio)
2116                 {
2117                 unsigned long sl=1;
2118
2119                 if (!s_quiet)
2120                         BIO_printf(bio_err,"turning on non blocking io\n");
2121                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2122                         ERR_print_errors(bio_err);
2123                 }
2124 #endif
2125
2126         if (con == NULL) {
2127                 con=SSL_new(ctx);
2128 #ifndef OPENSSL_NO_TLSEXT
2129         if (s_tlsextdebug)
2130                 {
2131                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2132                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2133                 }
2134         if (s_tlsextstatus)
2135                 {
2136                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2137                 tlscstatp.err = bio_err;
2138                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2139                 }
2140 #endif
2141 #ifndef OPENSSL_NO_KRB5
2142                 if ((kctx = kssl_ctx_new()) != NULL)
2143                         {
2144                         SSL_set0_kssl_ctx(con, kctx);
2145                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2146                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2147                         }
2148 #endif  /* OPENSSL_NO_KRB5 */
2149                 if(context)
2150                       SSL_set_session_id_context(con, context,
2151                                                  strlen((char *)context));
2152         }
2153         SSL_clear(con);
2154 #if 0
2155 #ifdef TLSEXT_TYPE_opaque_prf_input
2156         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2157 #endif
2158 #endif
2159
2160         if (SSL_version(con) == DTLS1_VERSION)
2161                 {
2162
2163                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2164
2165                 if (enable_timeouts)
2166                         {
2167                         timeout.tv_sec = 0;
2168                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2169                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2170                         
2171                         timeout.tv_sec = 0;
2172                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2173                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2174                         }
2175
2176                 if (socket_mtu > 28)
2177                         {
2178                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2179                         SSL_set_mtu(con, socket_mtu - 28);
2180                         }
2181                 else
2182                         /* want to do MTU discovery */
2183                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2184
2185         /* turn on cookie exchange */
2186         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2187                 }
2188         else
2189                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2190
2191         if (s_nbio_test)
2192                 {
2193                 BIO *test;
2194
2195                 test=BIO_new(BIO_f_nbio_test());
2196                 sbio=BIO_push(test,sbio);
2197                 }
2198 #ifndef OPENSSL_NO_JPAKE
2199         if(jpake_secret)
2200                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2201 #endif
2202
2203         SSL_set_bio(con,sbio,sbio);
2204         SSL_set_accept_state(con);
2205         /* SSL_set_fd(con,s); */
2206
2207         if (s_debug)
2208                 {
2209                 SSL_set_debug(con, 1);
2210                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2211                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2212                 }
2213         if (s_msg)
2214                 {
2215 #ifndef OPENSSL_NO_SSL_TRACE
2216                 if (s_msg == 2)
2217                         SSL_set_msg_callback(con, SSL_trace);
2218                 else
2219 #endif
2220                         SSL_set_msg_callback(con, msg_cb);
2221                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2222                 }
2223 #ifndef OPENSSL_NO_TLSEXT
2224         if (s_tlsextdebug)
2225                 {
2226                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2227                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2228                 }
2229 #endif
2230
2231         width=s+1;
2232         for (;;)
2233                 {
2234                 int read_from_terminal;
2235                 int read_from_sslcon;
2236
2237                 read_from_terminal = 0;
2238                 read_from_sslcon = SSL_pending(con);
2239
2240                 if (!read_from_sslcon)
2241                         {
2242                         FD_ZERO(&readfds);
2243 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2244                         openssl_fdset(fileno(stdin),&readfds);
2245 #endif
2246                         openssl_fdset(s,&readfds);
2247                         /* Note: under VMS with SOCKETSHR the second parameter is
2248                          * currently of type (int *) whereas under other systems
2249                          * it is (void *) if you don't have a cast it will choke
2250                          * the compiler: if you do have a cast then you can either
2251                          * go for (int *) or (void *).
2252                          */
2253 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2254                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2255                          * on sockets. As a workaround we timeout the select every
2256                          * second and check for any keypress. In a proper Windows
2257                          * application we wouldn't do this because it is inefficient.
2258                          */
2259                         tv.tv_sec = 1;
2260                         tv.tv_usec = 0;
2261                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2262                         if((i < 0) || (!i && !_kbhit() ) )continue;
2263                         if(_kbhit())
2264                                 read_from_terminal = 1;
2265 #elif defined(OPENSSL_SYS_BEOS_R5)
2266                         /* Under BeOS-R5 the situation is similar to DOS */
2267                         tv.tv_sec = 1;
2268                         tv.tv_usec = 0;
2269                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2270                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2271                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2272                                 continue;
2273                         if (read(fileno(stdin), buf, 0) >= 0)
2274                                 read_from_terminal = 1;
2275                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2276 #else
2277                         if ((SSL_version(con) == DTLS1_VERSION) &&
2278                                 DTLSv1_get_timeout(con, &timeout))
2279                                 timeoutp = &timeout;
2280                         else
2281                                 timeoutp = NULL;
2282
2283                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2284
2285                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2286                                 {
2287                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2288                                 }
2289
2290                         if (i <= 0) continue;
2291                         if (FD_ISSET(fileno(stdin),&readfds))
2292                                 read_from_terminal = 1;
2293 #endif
2294                         if (FD_ISSET(s,&readfds))
2295                                 read_from_sslcon = 1;
2296                         }
2297                 if (read_from_terminal)
2298                         {
2299                         if (s_crlf)
2300                                 {
2301                                 int j, lf_num;
2302
2303                                 i=raw_read_stdin(buf, bufsize/2);
2304                                 lf_num = 0;
2305                                 /* both loops are skipped when i <= 0 */
2306                                 for (j = 0; j < i; j++)
2307                                         if (buf[j] == '\n')
2308                                                 lf_num++;
2309                                 for (j = i-1; j >= 0; j--)
2310                                         {
2311                                         buf[j+lf_num] = buf[j];
2312                                         if (buf[j] == '\n')
2313                                                 {
2314                                                 lf_num--;
2315                                                 i++;
2316                                                 buf[j+lf_num] = '\r';
2317                                                 }
2318                                         }
2319                                 assert(lf_num == 0);
2320                                 }
2321                         else
2322                                 i=raw_read_stdin(buf,bufsize);
2323                         if (!s_quiet)
2324                                 {
2325                                 if ((i <= 0) || (buf[0] == 'Q'))
2326                                         {
2327                                         BIO_printf(bio_s_out,"DONE\n");
2328                                         SHUTDOWN(s);
2329                                         close_accept_socket();
2330                                         ret= -11;
2331                                         goto err;
2332                                         }
2333                                 if ((i <= 0) || (buf[0] == 'q'))
2334                                         {
2335                                         BIO_printf(bio_s_out,"DONE\n");
2336                                         if (SSL_version(con) != DTLS1_VERSION)
2337                         SHUTDOWN(s);
2338         /*                              close_accept_socket();
2339                                         ret= -11;*/
2340                                         goto err;
2341                                         }
2342
2343 #ifndef OPENSSL_NO_HEARTBEATS
2344                                 if ((buf[0] == 'B') &&
2345                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2346                                         {
2347                                         BIO_printf(bio_err,"HEARTBEATING\n");
2348                                         SSL_heartbeat(con);
2349                                         i=0;
2350                                         continue;
2351                                         }
2352 #endif
2353                                 if ((buf[0] == 'r') && 
2354                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2355                                         {
2356                                         SSL_renegotiate(con);
2357                                         i=SSL_do_handshake(con);
2358                                         printf("SSL_do_handshake -> %d\n",i);
2359                                         i=0; /*13; */
2360                                         continue;
2361                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2362                                         }
2363                                 if ((buf[0] == 'R') &&
2364                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2365                                         {
2366                                         SSL_set_verify(con,
2367                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2368                                         SSL_renegotiate(con);
2369                                         i=SSL_do_handshake(con);
2370                                         printf("SSL_do_handshake -> %d\n",i);
2371                                         i=0; /* 13; */
2372                                         continue;
2373                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2374                                         }
2375                                 if (buf[0] == 'P')
2376                                         {
2377                                         static const char *str="Lets print some clear text\n";
2378                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2379                                         }
2380                                 if (buf[0] == 'S')
2381                                         {
2382                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2383                                         }
2384                                 }
2385 #ifdef CHARSET_EBCDIC
2386                         ebcdic2ascii(buf,buf,i);
2387 #endif
2388                         l=k=0;
2389                         for (;;)
2390                                 {
2391                                 /* should do a select for the write */
2392 #ifdef RENEG
2393 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2394 #endif
2395                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2396 #ifndef OPENSSL_NO_SRP
2397                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2398                                         {
2399                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2400                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2401                                         if (srp_callback_parm.user) 
2402                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2403                                         else 
2404                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2405                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2406                                         }
2407 #endif
2408                                 switch (SSL_get_error(con,k))
2409                                         {
2410                                 case SSL_ERROR_NONE:
2411                                         break;
2412                                 case SSL_ERROR_WANT_WRITE:
2413                                 case SSL_ERROR_WANT_READ:
2414                                 case SSL_ERROR_WANT_X509_LOOKUP:
2415                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2416                                         break;
2417                                 case SSL_ERROR_SYSCALL:
2418                                 case SSL_ERROR_SSL:
2419                                         BIO_printf(bio_s_out,"ERROR\n");
2420                                         ERR_print_errors(bio_err);
2421                                         ret=1;
2422                                         goto err;
2423                                         /* break; */
2424                                 case SSL_ERROR_ZERO_RETURN:
2425                                         BIO_printf(bio_s_out,"DONE\n");
2426                                         ret=1;
2427                                         goto err;
2428                                         }
2429                                 l+=k;
2430                                 i-=k;
2431                                 if (i <= 0) break;
2432                                 }
2433                         }
2434                 if (read_from_sslcon)
2435                         {
2436                         if (!SSL_is_init_finished(con))
2437                                 {
2438                                 i=init_ssl_connection(con);
2439                                 
2440                                 if (i < 0)
2441                                         {
2442                                         ret=0;
2443                                         goto err;
2444                                         }
2445                                 else if (i == 0)
2446                                         {
2447                                         ret=1;
2448                                         goto err;
2449                                         }
2450                                 }
2451                         else
2452                                 {
2453 again:  
2454                                 i=SSL_read(con,(char *)buf,bufsize);
2455 #ifndef OPENSSL_NO_SRP
2456                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2457                                         {
2458                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2459                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2460                                         if (srp_callback_parm.user) 
2461                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2462                                         else 
2463                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2464                                         i=SSL_read(con,(char *)buf,bufsize);
2465                                         }
2466 #endif
2467                                 switch (SSL_get_error(con,i))
2468                                         {
2469                                 case SSL_ERROR_NONE:
2470 #ifdef CHARSET_EBCDIC
2471                                         ascii2ebcdic(buf,buf,i);
2472 #endif
2473                                         raw_write_stdout(buf,
2474                                                 (unsigned int)i);
2475                                         if (SSL_pending(con)) goto again;
2476                                         break;
2477                                 case SSL_ERROR_WANT_WRITE:
2478                                 case SSL_ERROR_WANT_READ:
2479                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2480                                         break;
2481                                 case SSL_ERROR_SYSCALL:
2482                                 case SSL_ERROR_SSL:
2483                                         BIO_printf(bio_s_out,"ERROR\n");
2484                                         ERR_print_errors(bio_err);
2485                                         ret=1;
2486                                         goto err;
2487                                 case SSL_ERROR_ZERO_RETURN:
2488                                         BIO_printf(bio_s_out,"DONE\n");
2489                                         ret=1;
2490                                         goto err;
2491                                         }
2492                                 }
2493                         }
2494                 }
2495 err:
2496         if (con != NULL)
2497                 {
2498                 BIO_printf(bio_s_out,"shutting down SSL\n");
2499 #if 1
2500                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2501 #else
2502                 SSL_shutdown(con);
2503 #endif
2504                 SSL_free(con);
2505                 }
2506         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2507         if (buf != NULL)
2508                 {
2509                 OPENSSL_cleanse(buf,bufsize);
2510                 OPENSSL_free(buf);
2511                 }
2512         if (ret >= 0)
2513                 BIO_printf(bio_s_out,"ACCEPT\n");
2514         return(ret);
2515         }
2516
2517 static void close_accept_socket(void)
2518         {
2519         BIO_printf(bio_err,"shutdown accept socket\n");
2520         if (accept_socket >= 0)
2521                 {
2522                 SHUTDOWN2(accept_socket);
2523                 }
2524         }
2525
2526 static int init_ssl_connection(SSL *con)
2527         {
2528         int i;
2529         const char *str;
2530         X509 *peer;
2531         long verify_error;
2532         MS_STATIC char buf[BUFSIZ];
2533 #ifndef OPENSSL_NO_KRB5
2534         char *client_princ;
2535 #endif
2536 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2537         const unsigned char *next_proto_neg;
2538         unsigned next_proto_neg_len;
2539 #endif
2540         unsigned char *exportedkeymat;
2541
2542
2543         i=SSL_accept(con);
2544 #ifndef OPENSSL_NO_SRP
2545         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 
2546                 {
2547                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2548                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2549                         if (srp_callback_parm.user) 
2550                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2551                         else 
2552                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2553                         i=SSL_accept(con);
2554                 }
2555 #endif
2556         if (i <= 0)
2557                 {
2558                 if (BIO_sock_should_retry(i))
2559                         {
2560                         BIO_printf(bio_s_out,"DELAY\n");
2561                         return(1);
2562                         }
2563
2564                 BIO_printf(bio_err,"ERROR\n");
2565                 verify_error=SSL_get_verify_result(con);
2566                 if (verify_error != X509_V_OK)
2567                         {
2568                         BIO_printf(bio_err,"verify error:%s\n",
2569                                 X509_verify_cert_error_string(verify_error));
2570                         }
2571                 else
2572                         ERR_print_errors(bio_err);
2573                 return(0);
2574                 }
2575
2576         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2577
2578         peer=SSL_get_peer_certificate(con);
2579         if (peer != NULL)
2580                 {
2581                 BIO_printf(bio_s_out,"Client certificate\n");
2582                 PEM_write_bio_X509(bio_s_out,peer);
2583                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2584                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2585                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2586                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2587                 X509_free(peer);
2588                 }
2589
2590         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2591                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2592         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2593         ssl_print_sigalgs(bio_s_out, con, 0);
2594         ssl_print_curves(bio_s_out, con);
2595         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2596
2597 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2598         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2599         if (next_proto_neg)
2600                 {
2601                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2602                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2603                 BIO_printf(bio_s_out, "\n");
2604                 }
2605 #endif
2606         {
2607         SRTP_PROTECTION_PROFILE *srtp_profile
2608           = SSL_get_selected_srtp_profile(con);
2609
2610         if(srtp_profile)
2611                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2612                            srtp_profile->name);
2613         }
2614         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2615         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2616                 TLS1_FLAGS_TLS_PADDING_BUG)
2617                 BIO_printf(bio_s_out,
2618                            "Peer has incorrect TLSv1 block padding\n");
2619 #ifndef OPENSSL_NO_KRB5
2620         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2621         if (client_princ != NULL)
2622                 {
2623                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2624                                                                 client_princ);
2625                 }
2626 #endif /* OPENSSL_NO_KRB5 */
2627         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2628                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2629         if (keymatexportlabel != NULL)
2630                 {
2631                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2632                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2633                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2634                            keymatexportlen);
2635                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2636                 if (exportedkeymat != NULL)
2637                         {
2638                         if (!SSL_export_keying_material(con, exportedkeymat,
2639                                                         keymatexportlen,
2640                                                         keymatexportlabel,
2641                                                         strlen(keymatexportlabel),
2642                                                         NULL, 0, 0))
2643                                 {
2644                                 BIO_printf(bio_s_out, "    Error\n");
2645                                 }
2646                         else
2647                                 {
2648                                 BIO_printf(bio_s_out, "    Keying material: ");
2649                                 for (i=0; i<keymatexportlen; i++)
2650                                         BIO_printf(bio_s_out, "%02X",
2651                                                    exportedkeymat[i]);
2652                                 BIO_printf(bio_s_out, "\n");
2653                                 }
2654                         OPENSSL_free(exportedkeymat);
2655                         }
2656                 }
2657
2658         return(1);
2659         }
2660
2661 #ifndef OPENSSL_NO_DH
2662 static DH *load_dh_param(const char *dhfile)
2663         {
2664         DH *ret=NULL;
2665         BIO *bio;
2666
2667         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2668                 goto err;
2669         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2670 err:
2671         if (bio != NULL) BIO_free(bio);
2672         return(ret);
2673         }
2674 #endif
2675
2676 #if 0
2677 static int load_CA(SSL_CTX *ctx, char *file)
2678         {
2679         FILE *in;
2680         X509 *x=NULL;
2681
2682         if ((in=fopen(file,"r")) == NULL)
2683                 return(0);
2684
2685         for (;;)
2686                 {
2687                 if (PEM_read_X509(in,&x,NULL) == NULL)
2688                         break;
2689                 SSL_CTX_add_client_CA(ctx,x);
2690                 }
2691         if (x != NULL) X509_free(x);
2692         fclose(in);
2693         return(1);
2694         }
2695 #endif
2696
2697 static int www_body(char *hostname, int s, unsigned char *context)
2698         {
2699         char *buf=NULL;
2700         int ret=1;
2701         int i,j,k,dot;
2702         SSL *con;
2703         const SSL_CIPHER *c;
2704         BIO *io,*ssl_bio,*sbio;
2705 #ifndef OPENSSL_NO_KRB5
2706         KSSL_CTX *kctx;
2707 #endif
2708
2709         buf=OPENSSL_malloc(bufsize);
2710         if (buf == NULL) return(0);
2711         io=BIO_new(BIO_f_buffer());
2712         ssl_bio=BIO_new(BIO_f_ssl());
2713         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2714
2715 #ifdef FIONBIO  
2716         if (s_nbio)
2717                 {
2718                 unsigned long sl=1;
2719
2720                 if (!s_quiet)
2721                         BIO_printf(bio_err,"turning on non blocking io\n");
2722                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2723                         ERR_print_errors(bio_err);
2724                 }
2725 #endif
2726
2727         /* lets make the output buffer a reasonable size */
2728         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2729
2730         if ((con=SSL_new(ctx)) == NULL) goto err;
2731 #ifndef OPENSSL_NO_TLSEXT
2732                 if (s_tlsextdebug)
2733                         {
2734                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2735                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2736                         }
2737 #endif
2738 #ifndef OPENSSL_NO_KRB5
2739         if ((kctx = kssl_ctx_new()) != NULL)
2740                 {
2741                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2742                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2743                 }
2744 #endif  /* OPENSSL_NO_KRB5 */
2745         if(context) SSL_set_session_id_context(con, context,
2746                                                strlen((char *)context));
2747
2748         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2749         if (s_nbio_test)
2750                 {
2751                 BIO *test;
2752
2753                 test=BIO_new(BIO_f_nbio_test());
2754                 sbio=BIO_push(test,sbio);
2755                 }
2756         SSL_set_bio(con,sbio,sbio);
2757         SSL_set_accept_state(con);
2758
2759         /* SSL_set_fd(con,s); */
2760         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2761         BIO_push(io,ssl_bio);
2762 #ifdef CHARSET_EBCDIC
2763         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2764 #endif
2765
2766         if (s_debug)
2767                 {
2768                 SSL_set_debug(con, 1);
2769                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2770                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2771                 }
2772         if (s_msg)
2773                 {
2774 #ifndef OPENSSL_NO_SSL_TRACE
2775                 if (s_msg == 2)
2776                         SSL_set_msg_callback(con, SSL_trace);
2777                 else
2778 #endif
2779                         SSL_set_msg_callback(con, msg_cb);
2780                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2781                 }
2782
2783         for (;;)
2784                 {
2785                 if (hack)
2786                         {
2787                         i=SSL_accept(con);
2788 #ifndef OPENSSL_NO_SRP
2789                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 
2790                 {
2791                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2792                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2793                         if (srp_callback_parm.user) 
2794                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2795                         else 
2796                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2797                         i=SSL_accept(con);
2798                 }
2799 #endif
2800                         switch (SSL_get_error(con,i))
2801                                 {
2802                         case SSL_ERROR_NONE:
2803                                 break;
2804                         case SSL_ERROR_WANT_WRITE:
2805                         case SSL_ERROR_WANT_READ:
2806                         case SSL_ERROR_WANT_X509_LOOKUP:
2807                                 continue;
2808                         case SSL_ERROR_SYSCALL:
2809                         case SSL_ERROR_SSL:
2810                         case SSL_ERROR_ZERO_RETURN:
2811                                 ret=1;
2812                                 goto err;
2813                                 /* break; */
2814                                 }
2815
2816                         SSL_renegotiate(con);
2817                         SSL_write(con,NULL,0);
2818                         }
2819
2820                 i=BIO_gets(io,buf,bufsize-1);
2821                 if (i < 0) /* error */
2822                         {
2823                         if (!BIO_should_retry(io))
2824                                 {
2825                                 if (!s_quiet)
2826                                         ERR_print_errors(bio_err);
2827                                 goto err;
2828                                 }
2829                         else
2830                                 {
2831                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2832 #if defined(OPENSSL_SYS_NETWARE)
2833             delay(1000);
2834 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2835                                 sleep(1);
2836 #endif
2837                                 continue;
2838                                 }
2839                         }
2840                 else if (i == 0) /* end of input */
2841                         {
2842                         ret=1;
2843                         goto end;
2844                         }
2845
2846                 /* else we have data */
2847                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2848                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2849                         {
2850                         char *p;
2851                         X509 *peer;
2852                         STACK_OF(SSL_CIPHER) *sk;
2853                         static const char *space="                          ";
2854
2855                 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0)
2856                         {
2857                         if (strncmp("GET /renegcert", buf, 14) == 0)
2858                                 SSL_set_verify(con,
2859                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2860                         i=SSL_renegotiate(con);
2861                         BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n",i);
2862                         i=SSL_do_handshake(con);
2863                         if (i <= 0)
2864                                 {
2865                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2866                                 ERR_print_errors(bio_err);
2867                                 goto err;
2868                                 }
2869                         /* EVIL HACK! */
2870                         SSL_set_state(con, SSL_ST_ACCEPT);
2871                         i=SSL_do_handshake(con);
2872                         BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n",i);
2873                         if (i <= 0)
2874                                 {
2875                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2876                                 ERR_print_errors(bio_err);
2877                                 goto err;
2878                                 }
2879                         }
2880
2881                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2882                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2883                         BIO_puts(io,"<pre>\n");
2884 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2885                         BIO_puts(io,"\n");
2886                         for (i=0; i<local_argc; i++)
2887                                 {
2888                                 BIO_puts(io,local_argv[i]);
2889                                 BIO_write(io," ",1);
2890                                 }
2891                         BIO_puts(io,"\n");
2892
2893                         BIO_printf(io,
2894                                 "Secure Renegotiation IS%s supported\n",
2895                                 SSL_get_secure_renegotiation_support(con) ?
2896                                                         "" : " NOT");
2897
2898                         /* The following is evil and should not really
2899                          * be done */
2900                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2901                         sk=SSL_get_ciphers(con);
2902                         j=sk_SSL_CIPHER_num(sk);
2903                         for (i=0; i<j; i++)
2904                                 {
2905                                 c=sk_SSL_CIPHER_value(sk,i);
2906                                 BIO_printf(io,"%-11s:%-25s",
2907                                         SSL_CIPHER_get_version(c),
2908                                         SSL_CIPHER_get_name(c));
2909                                 if ((((i+1)%2) == 0) && (i+1 != j))
2910                                         BIO_puts(io,"\n");
2911                                 }
2912                         BIO_puts(io,"\n");
2913                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2914                         if (p != NULL)
2915                                 {
2916                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2917                                 j=i=0;
2918                                 while (*p)
2919                                         {
2920                                         if (*p == ':')
2921                                                 {
2922                                                 BIO_write(io,space,26-j);
2923                                                 i++;
2924                                                 j=0;
2925                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2926                                                 }
2927                                         else
2928                                                 {
2929                                                 BIO_write(io,p,1);
2930                                                 j++;
2931                                                 }
2932                                         p++;
2933                                         }
2934                                 BIO_puts(io,"\n");
2935                                 }
2936                         ssl_print_sigalgs(io, con, 0);
2937                         ssl_print_curves(io, con);
2938                         BIO_printf(io,(SSL_cache_hit(con)
2939                                 ?"---\nReused, "
2940                                 :"---\nNew, "));
2941                         c=SSL_get_current_cipher(con);
2942                         BIO_printf(io,"%s, Cipher is %s\n",
2943                                 SSL_CIPHER_get_version(c),
2944                                 SSL_CIPHER_get_name(c));
2945                         SSL_SESSION_print(io,SSL_get_session(con));
2946                         BIO_printf(io,"---\n");
2947                         print_stats(io,SSL_get_SSL_CTX(con));
2948                         BIO_printf(io,"---\n");
2949                         peer=SSL_get_peer_certificate(con);
2950                         if (peer != NULL)
2951                                 {
2952                                 BIO_printf(io,"Client certificate\n");
2953                                 X509_print(io,peer);
2954                                 PEM_write_bio_X509(io,peer);
2955                                 }
2956                         else
2957                                 BIO_puts(io,"no client certificate available\n");
2958                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2959                         break;
2960                         }
2961                 else if ((www == 2 || www == 3)
2962                          && (strncmp("GET /",buf,5) == 0))
2963                         {
2964                         BIO *file;
2965                         char *p,*e;
2966                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2967
2968                         /* skip the '/' */
2969                         p= &(buf[5]);
2970
2971                         dot = 1;
2972                         for (e=p; *e != '\0'; e++)
2973                                 {
2974                                 if (e[0] == ' ')
2975                                         break;
2976
2977                                 switch (dot)
2978                                         {
2979                                 case 1:
2980                                         dot = (e[0] == '.') ? 2 : 0;
2981                                         break;
2982                                 case 2:
2983                                         dot = (e[0] == '.') ? 3 : 0;
2984                                         break;
2985                                 case 3:
2986                                         dot = (e[0] == '/') ? -1 : 0;
2987                                         break;
2988                                         }
2989                                 if (dot == 0)
2990                                         dot = (e[0] == '/') ? 1 : 0;
2991                                 }
2992                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2993
2994                         if (*e == '\0')
2995                                 {
2996                                 BIO_puts(io,text);
2997                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2998                                 break;
2999                                 }
3000                         *e='\0';
3001
3002                         if (dot)
3003                                 {
3004                                 BIO_puts(io,text);
3005                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
3006                                 break;
3007                                 }
3008
3009                         if (*p == '/')
3010                                 {
3011                                 BIO_puts(io,text);
3012                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
3013                                 break;
3014                                 }
3015
3016 #if 0
3017                         /* append if a directory lookup */
3018                         if (e[-1] == '/')
3019                                 strcat(p,"index.html");
3020 #endif
3021
3022                         /* if a directory, do the index thang */
3023                         if (app_isdir(p)>0)
3024                                 {
3025 #if 0 /* must check buffer size */
3026                                 strcat(p,"/index.html");
3027 #else
3028                                 BIO_puts(io,text);
3029                                 BIO_printf(io,"'%s' is a directory\r\n",p);
3030                                 break;
3031 #endif
3032                                 }
3033
3034                         if ((file=BIO_new_file(p,"r")) == NULL)
3035                                 {
3036                                 BIO_puts(io,text);
3037                                 BIO_printf(io,"Error opening '%s'\r\n",p);
3038                                 ERR_print_errors(io);
3039                                 break;
3040                                 }
3041
3042                         if (!s_quiet)
3043                                 BIO_printf(bio_err,"FILE:%s\n",p);
3044
3045                         if (www == 2)
3046                                 {
3047                                 i=strlen(p);
3048                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3049                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3050                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3051                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3052                                 else
3053                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3054                                 }
3055                         /* send the file */
3056                         for (;;)
3057                                 {
3058                                 i=BIO_read(file,buf,bufsize);
3059                                 if (i <= 0) break;
3060
3061 #ifdef RENEG
3062                                 total_bytes+=i;
3063                                 fprintf(stderr,"%d\n",i);
3064                                 if (total_bytes > 3*1024)
3065                                         {
3066                                         total_bytes=0;
3067                                         fprintf(stderr,"RENEGOTIATE\n");
3068                                         SSL_renegotiate(con);
3069                                         }
3070 #endif
3071
3072                                 for (j=0; j<i; )
3073                                         {
3074 #ifdef RENEG
3075 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3076 #endif
3077                                         k=BIO_write(io,&(buf[j]),i-j);
3078                                         if (k <= 0)
3079                                                 {
3080                                                 if (!BIO_should_retry(io))
3081                                                         goto write_error;
3082                                                 else
3083                                                         {
3084                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3085                                                         }
3086                                                 }
3087                                         else
3088                                                 {
3089                                                 j+=k;
3090                                                 }
3091                                         }
3092                                 }
3093 write_error:
3094                         BIO_free(file);
3095                         break;
3096                         }
3097                 }
3098
3099         for (;;)
3100                 {
3101                 i=(int)BIO_flush(io);
3102                 if (i <= 0)
3103                         {
3104                         if (!BIO_should_retry(io))
3105                                 break;
3106                         }
3107                 else
3108                         break;
3109                 }
3110 end:
3111 #if 1
3112         /* make sure we re-use sessions */
3113         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3114 #else
3115         /* This kills performance */
3116 /*      SSL_shutdown(con); A shutdown gets sent in the
3117  *      BIO_free_all(io) procession */
3118 #endif
3119
3120 err:
3121
3122         if (ret >= 0)
3123                 BIO_printf(bio_s_out,"ACCEPT\n");
3124
3125         if (buf != NULL) OPENSSL_free(buf);
3126         if (io != NULL) BIO_free_all(io);
3127 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3128         return(ret);
3129         }
3130
3131 #ifndef OPENSSL_NO_RSA
3132 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3133         {
3134         BIGNUM *bn = NULL;
3135         static RSA *rsa_tmp=NULL;
3136
3137         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3138                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3139         if (!rsa_tmp && bn)
3140                 {
3141                 if (!s_quiet)
3142                         {
3143                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3144                         (void)BIO_flush(bio_err);
3145                         }
3146                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3147                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3148                         {
3149                         if(rsa_tmp) RSA_free(rsa_tmp);
3150                         rsa_tmp = NULL;
3151                         }
3152                 if (!s_quiet)
3153                         {
3154                         BIO_printf(bio_err,"\n");
3155                         (void)BIO_flush(bio_err);
3156                         }
3157                 BN_free(bn);
3158                 }
3159         return(rsa_tmp);
3160         }
3161 #endif
3162
3163 #define MAX_SESSION_ID_ATTEMPTS 10
3164 static int generate_session_id(const SSL *ssl, unsigned char *id,
3165                                 unsigned int *id_len)
3166         {
3167         unsigned int count = 0;
3168         do      {
3169                 RAND_pseudo_bytes(id, *id_len);
3170                 /* Prefix the session_id with the required prefix. NB: If our
3171                  * prefix is too long, clip it - but there will be worse effects
3172                  * anyway, eg. the server could only possibly create 1 session
3173                  * ID (ie. the prefix!) so all future session negotiations will
3174                  * fail due to conflicts. */
3175                 memcpy(id, session_id_prefix,
3176                         (strlen(session_id_prefix) < *id_len) ?
3177                         strlen(session_id_prefix) : *id_len);
3178                 }
3179         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3180                 (++count < MAX_SESSION_ID_ATTEMPTS));
3181         if(count >= MAX_SESSION_ID_ATTEMPTS)
3182                 return 0;
3183         return 1;
3184         }
3185
3186 /* By default s_server uses an in-memory cache which caches SSL_SESSION
3187  * structures without any serialisation. This hides some bugs which only
3188  * become apparent in deployed servers. By implementing a basic external
3189  * session cache some issues can be debugged using s_server.
3190  */
3191
3192 typedef struct simple_ssl_session_st
3193         {
3194         unsigned char *id;
3195         unsigned int idlen;
3196         unsigned char *der;
3197         int derlen;
3198         struct simple_ssl_session_st *next;
3199         } simple_ssl_session;
3200
3201 static simple_ssl_session *first = NULL;
3202
3203 static int add_session(SSL *ssl, SSL_SESSION *session)
3204         {
3205         simple_ssl_session *sess;
3206         unsigned char *p;
3207
3208         sess = OPENSSL_malloc(sizeof(simple_ssl_session));
3209
3210         SSL_SESSION_get_id(session, &sess->idlen);
3211         sess->derlen = i2d_SSL_SESSION(session, NULL);
3212
3213         sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3214
3215         sess->der = OPENSSL_malloc(sess->derlen);
3216         p = sess->der;
3217         i2d_SSL_SESSION(session, &p);
3218
3219         sess->next = first;
3220         first = sess;
3221         BIO_printf(bio_err, "New session added to external cache\n");
3222         return 0;
3223         }
3224
3225 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3226                                         int *do_copy)
3227         {
3228         simple_ssl_session *sess;
3229         *do_copy = 0;
3230         for (sess = first; sess; sess = sess->next)
3231                 {
3232                 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen))
3233                         {
3234                         const unsigned char *p = sess->der;
3235                         BIO_printf(bio_err, "Lookup session: cache hit\n");
3236                         return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3237                         }
3238                 }
3239         BIO_printf(bio_err, "Lookup session: cache miss\n");
3240         return NULL;
3241         }
3242
3243 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3244         {
3245         simple_ssl_session *sess, *prev = NULL;
3246         const unsigned char *id;
3247         unsigned int idlen;
3248         id = SSL_SESSION_get_id(session, &idlen);       
3249         for (sess = first; sess; sess = sess->next)
3250                 {
3251                 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
3252                         {
3253                         if(prev)
3254                                 prev->next = sess->next;
3255                         else
3256                                 first = sess->next;
3257                         OPENSSL_free(sess->id);
3258                         OPENSSL_free(sess->der);
3259                         OPENSSL_free(sess);
3260                         return;
3261                         }
3262                 prev = sess;
3263                 }
3264         }
3265
3266 static void init_session_cache_ctx(SSL_CTX *sctx)
3267         {
3268         SSL_CTX_set_session_cache_mode(sctx,
3269                         SSL_SESS_CACHE_NO_INTERNAL|SSL_SESS_CACHE_SERVER);
3270         SSL_CTX_sess_set_new_cb(sctx, add_session);
3271         SSL_CTX_sess_set_get_cb(sctx, get_session);
3272         SSL_CTX_sess_set_remove_cb(sctx, del_session);
3273         }
3274
3275 static void free_sessions(void)
3276         {
3277         simple_ssl_session *sess, *tsess;
3278         for (sess = first; sess;)
3279                 {
3280                 OPENSSL_free(sess->id);
3281                 OPENSSL_free(sess->der);
3282                 tsess = sess;
3283                 sess = sess->next;
3284                 OPENSSL_free(tsess);
3285                 }
3286         first = NULL;
3287         }
3288         
3289
3290
3291
3292
3293
3294
3295         
3296
3297