Delegate command line handling for many common options in s_client/s_server
[openssl.git] / apps / s_server.c
1 /* apps/s_server.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  * 
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  * 
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  * 
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from 
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  * 
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  * 
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58 /* ====================================================================
59  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
60  *
61  * Redistribution and use in source and binary forms, with or without
62  * modification, are permitted provided that the following conditions
63  * are met:
64  *
65  * 1. Redistributions of source code must retain the above copyright
66  *    notice, this list of conditions and the following disclaimer. 
67  *
68  * 2. Redistributions in binary form must reproduce the above copyright
69  *    notice, this list of conditions and the following disclaimer in
70  *    the documentation and/or other materials provided with the
71  *    distribution.
72  *
73  * 3. All advertising materials mentioning features or use of this
74  *    software must display the following acknowledgment:
75  *    "This product includes software developed by the OpenSSL Project
76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77  *
78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79  *    endorse or promote products derived from this software without
80  *    prior written permission. For written permission, please contact
81  *    openssl-core@openssl.org.
82  *
83  * 5. Products derived from this software may not be called "OpenSSL"
84  *    nor may "OpenSSL" appear in their names without prior written
85  *    permission of the OpenSSL Project.
86  *
87  * 6. Redistributions of any form whatsoever must retain the following
88  *    acknowledgment:
89  *    "This product includes software developed by the OpenSSL Project
90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91  *
92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103  * OF THE POSSIBILITY OF SUCH DAMAGE.
104  * ====================================================================
105  *
106  * This product includes cryptographic software written by Eric Young
107  * (eay@cryptsoft.com).  This product includes software written by Tim
108  * Hudson (tjh@cryptsoft.com).
109  *
110  */
111 /* ====================================================================
112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113  * ECC cipher suite support in OpenSSL originally developed by 
114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115  */
116 /* ====================================================================
117  * Copyright 2005 Nokia. All rights reserved.
118  *
119  * The portions of the attached software ("Contribution") is developed by
120  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
121  * license.
122  *
123  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
124  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
125  * support (see RFC 4279) to OpenSSL.
126  *
127  * No patent licenses or other rights except those expressly stated in
128  * the OpenSSL open source license shall be deemed granted or received
129  * expressly, by implication, estoppel, or otherwise.
130  *
131  * No assurances are provided by Nokia that the Contribution does not
132  * infringe the patent or other intellectual property rights of any third
133  * party or that the license provides you with all the necessary rights
134  * to make use of the Contribution.
135  *
136  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
137  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
138  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
139  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
140  * OTHERWISE.
141  */
142
143 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
144  * deprecated functions for openssl-internal code */
145 #ifdef OPENSSL_NO_DEPRECATED
146 #undef OPENSSL_NO_DEPRECATED
147 #endif
148
149 #include <assert.h>
150 #include <ctype.h>
151 #include <stdio.h>
152 #include <stdlib.h>
153 #include <string.h>
154
155 #include <openssl/e_os2.h>
156 #ifdef OPENSSL_NO_STDIO
157 #define APPS_WIN16
158 #endif
159
160 #if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
161 #include <sys/types.h>
162 #endif
163
164 /* With IPv6, it looks like Digital has mixed up the proper order of
165    recursive header file inclusion, resulting in the compiler complaining
166    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
167    is needed to have fileno() declared correctly...  So let's define u_int */
168 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
169 #define __U_INT
170 typedef unsigned int u_int;
171 #endif
172
173 #include <openssl/lhash.h>
174 #include <openssl/bn.h>
175 #define USE_SOCKETS
176 #include "apps.h"
177 #include <openssl/err.h>
178 #include <openssl/pem.h>
179 #include <openssl/x509.h>
180 #include <openssl/ssl.h>
181 #include <openssl/rand.h>
182 #include <openssl/ocsp.h>
183 #ifndef OPENSSL_NO_DH
184 #include <openssl/dh.h>
185 #endif
186 #ifndef OPENSSL_NO_RSA
187 #include <openssl/rsa.h>
188 #endif
189 #ifndef OPENSSL_NO_SRP
190 #include <openssl/srp.h>
191 #endif
192 #include "s_apps.h"
193 #include "timeouts.h"
194
195 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
196 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
197 #undef FIONBIO
198 #endif
199
200 #if defined(OPENSSL_SYS_BEOS_R5)
201 #include <fcntl.h>
202 #endif
203
204 #ifndef OPENSSL_NO_RSA
205 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
206 #endif
207 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
208 static int sv_body(char *hostname, int s, unsigned char *context);
209 static int www_body(char *hostname, int s, unsigned char *context);
210 static int rev_body(char *hostname, int s, unsigned char *context);
211 static void close_accept_socket(void );
212 static void sv_usage(void);
213 static int init_ssl_connection(SSL *s);
214 static void print_stats(BIO *bp,SSL_CTX *ctx);
215 static int generate_session_id(const SSL *ssl, unsigned char *id,
216                                 unsigned int *id_len);
217 static void init_session_cache_ctx(SSL_CTX *sctx);
218 static void free_sessions(void);
219 static int ssl_load_stores(SSL_CTX *sctx,
220                         const char *vfyCApath, const char *vfyCAfile,
221                         const char *chCApath, const char *chCAfile);
222 #ifndef OPENSSL_NO_DH
223 static DH *load_dh_param(const char *dhfile);
224 static DH *get_dh512(void);
225 #endif
226
227 #ifdef MONOLITH
228 static void s_server_init(void);
229 #endif
230
231 #ifndef OPENSSL_NO_DH
232 static unsigned char dh512_p[]={
233         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
234         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
235         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
236         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
237         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
238         0x47,0x74,0xE8,0x33,
239         };
240 static unsigned char dh512_g[]={
241         0x02,
242         };
243
244 static DH *get_dh512(void)
245         {
246         DH *dh=NULL;
247
248         if ((dh=DH_new()) == NULL) return(NULL);
249         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
250         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
251         if ((dh->p == NULL) || (dh->g == NULL))
252                 return(NULL);
253         return(dh);
254         }
255 #endif
256
257
258 /* static int load_CA(SSL_CTX *ctx, char *file);*/
259
260 #undef BUFSIZZ
261 #define BUFSIZZ 16*1024
262 static int bufsize=BUFSIZZ;
263 static int accept_socket= -1;
264
265 #define TEST_CERT       "server.pem"
266 #ifndef OPENSSL_NO_TLSEXT
267 #define TEST_CERT2      "server2.pem"
268 #endif
269 #undef PROG
270 #define PROG            s_server_main
271
272 extern int verify_depth, verify_return_error, verify_quiet;
273
274 static int s_server_verify=SSL_VERIFY_NONE;
275 static int s_server_session_id_context = 1; /* anything will do */
276 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
277 #ifndef OPENSSL_NO_TLSEXT
278 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
279 #endif
280 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
281 #ifdef FIONBIO
282 static int s_nbio=0;
283 #endif
284 static int s_nbio_test=0;
285 int s_crlf=0;
286 static SSL_CTX *ctx=NULL;
287 #ifndef OPENSSL_NO_TLSEXT
288 static SSL_CTX *ctx2=NULL;
289 #endif
290 static int www=0;
291
292 static BIO *bio_s_out=NULL;
293 static BIO *bio_s_msg = NULL;
294 static int s_debug=0;
295 #ifndef OPENSSL_NO_TLSEXT
296 static int s_tlsextdebug=0;
297 static int s_tlsextstatus=0;
298 static int cert_status_cb(SSL *s, void *arg);
299 #endif
300 static int no_resume_ephemeral = 0;
301 static int s_msg=0;
302 static int s_quiet=0;
303 static int s_brief=0;
304
305 static char *keymatexportlabel=NULL;
306 static int keymatexportlen=20;
307
308 static int hack=0;
309 #ifndef OPENSSL_NO_ENGINE
310 static char *engine_id=NULL;
311 #endif
312 static const char *session_id_prefix=NULL;
313
314 static int enable_timeouts = 0;
315 static long socket_mtu;
316 #ifndef OPENSSL_NO_DTLS1
317 static int cert_chain = 0;
318 #endif
319
320 #ifndef OPENSSL_NO_TLSEXT
321 static BIO *authz_in = NULL;
322 static const char *s_authz_file = NULL;
323 #endif
324
325 #ifndef OPENSSL_NO_PSK
326 static char *psk_identity="Client_identity";
327 char *psk_key=NULL; /* by default PSK is not used */
328
329 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
330         unsigned char *psk, unsigned int max_psk_len)
331         {
332         unsigned int psk_len = 0;
333         int ret;
334         BIGNUM *bn = NULL;
335
336         if (s_debug)
337                 BIO_printf(bio_s_out,"psk_server_cb\n");
338         if (!identity)
339                 {
340                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
341                 goto out_err;
342                 }
343         if (s_debug)
344                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
345                         identity ? (int)strlen(identity) : 0, identity);
346
347         /* here we could lookup the given identity e.g. from a database */
348         if (strcmp(identity, psk_identity) != 0)
349                 {
350                 BIO_printf(bio_s_out, "PSK error: client identity not found"
351                            " (got '%s' expected '%s')\n", identity,
352                            psk_identity);
353                 goto out_err;
354                 }
355         if (s_debug)
356                 BIO_printf(bio_s_out, "PSK client identity found\n");
357
358         /* convert the PSK key to binary */
359         ret = BN_hex2bn(&bn, psk_key);
360         if (!ret)
361                 {
362                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
363                 if (bn)
364                         BN_free(bn);
365                 return 0;
366                 }
367         if (BN_num_bytes(bn) > (int)max_psk_len)
368                 {
369                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
370                         max_psk_len, BN_num_bytes(bn));
371                 BN_free(bn);
372                 return 0;
373                 }
374
375         ret = BN_bn2bin(bn, psk);
376         BN_free(bn);
377
378         if (ret < 0)
379                 goto out_err;
380         psk_len = (unsigned int)ret;
381
382         if (s_debug)
383                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
384         return psk_len;
385  out_err:
386         if (s_debug)
387                 BIO_printf(bio_err, "Error in PSK server callback\n");
388         return 0;
389         }
390 #endif
391
392 #ifndef OPENSSL_NO_SRP
393 /* This is a context that we pass to callbacks */
394 typedef struct srpsrvparm_st
395         {
396         char *login;
397         SRP_VBASE *vb;
398         SRP_user_pwd *user;
399         } srpsrvparm;
400
401 /* This callback pretends to require some asynchronous logic in order to obtain
402    a verifier. When the callback is called for a new connection we return
403    with a negative value. This will provoke the accept etc to return with
404    an LOOKUP_X509. The main logic of the reinvokes the suspended call 
405    (which would normally occur after a worker has finished) and we
406    set the user parameters. 
407 */
408 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
409         {
410         srpsrvparm *p = (srpsrvparm *)arg;
411         if (p->login == NULL && p->user == NULL )
412                 {
413                 p->login = SSL_get_srp_username(s);
414                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
415                 return (-1) ;
416                 }
417
418         if (p->user == NULL)
419                 {
420                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
421                 return SSL3_AL_FATAL;
422                 }
423         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
424                                      p->user->info) < 0)
425                 {
426                 *ad = SSL_AD_INTERNAL_ERROR;
427                 return SSL3_AL_FATAL;
428                 }
429         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
430         /* need to check whether there are memory leaks */
431         p->user = NULL;
432         p->login = NULL;
433         return SSL_ERROR_NONE;
434         }
435
436 #endif
437
438 #ifdef MONOLITH
439 static void s_server_init(void)
440         {
441         accept_socket=-1;
442         s_server_verify=SSL_VERIFY_NONE;
443         s_dcert_file=NULL;
444         s_dkey_file=NULL;
445         s_dchain_file=NULL;
446         s_cert_file=TEST_CERT;
447         s_key_file=NULL;
448         s_chain_file=NULL;
449 #ifndef OPENSSL_NO_TLSEXT
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         s_brief=0;
466         hack=0;
467 #ifndef OPENSSL_NO_ENGINE
468         engine_id=NULL;
469 #endif
470         }
471 #endif
472
473 static void sv_usage(void)
474         {
475         BIO_printf(bio_err,"usage: s_server [args ...]\n");
476         BIO_printf(bio_err,"\n");
477         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
478         BIO_printf(bio_err," -context arg  - set session ID context\n");
479         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
480         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
481         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
482         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
483         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
484         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
485                            "                 The CRL(s) are appended to the certificate file\n");
486         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
487                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
488                            "                 the certificate file.\n");
489         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
490         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
491         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
492         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
493         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
494         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
495         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
496         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
497         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
498         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
499         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
500         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
501 #ifndef OPENSSL_NO_ECDH
502         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
503                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
504                            "                 (default is nistp256).\n");
505 #endif
506 #ifdef FIONBIO
507         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
508 #endif
509         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
510         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
511         BIO_printf(bio_err," -debug        - Print more output\n");
512         BIO_printf(bio_err," -msg          - Show protocol messages\n");
513         BIO_printf(bio_err," -state        - Print the SSL states\n");
514         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
515         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
516         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
517         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
518         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
519         BIO_printf(bio_err," -quiet        - No server output\n");
520         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
521 #ifndef OPENSSL_NO_PSK
522         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
523         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
524 # ifndef OPENSSL_NO_JPAKE
525         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
526 # endif
527 #endif
528 #ifndef OPENSSL_NO_SRP
529         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
530         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
531 #endif
532         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
533         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
534         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
535         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
536         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
537         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
538         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
539         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
540         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
541         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
542         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
543         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
544         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
545         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
546 #ifndef OPENSSL_NO_DH
547         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
548 #endif
549 #ifndef OPENSSL_NO_ECDH
550         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
551 #endif
552         BIO_printf(bio_err, "-no_resume_ephemeral - Disable caching and tickets if ephemeral (EC)DH is used\n");
553         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
554         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
555         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
556         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
557         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
558 #ifndef OPENSSL_NO_ENGINE
559         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
560 #endif
561         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
562         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
563 #ifndef OPENSSL_NO_TLSEXT
564         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
565         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
566         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
567         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
568         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
569         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
570         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
571         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
572         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
573 # ifndef OPENSSL_NO_NEXTPROTONEG
574         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
575 # endif
576         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
577 #endif
578         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
579         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
580         }
581
582 static int local_argc=0;
583 static char **local_argv;
584
585 #ifdef CHARSET_EBCDIC
586 static int ebcdic_new(BIO *bi);
587 static int ebcdic_free(BIO *a);
588 static int ebcdic_read(BIO *b, char *out, int outl);
589 static int ebcdic_write(BIO *b, const char *in, int inl);
590 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
591 static int ebcdic_gets(BIO *bp, char *buf, int size);
592 static int ebcdic_puts(BIO *bp, const char *str);
593
594 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
595 static BIO_METHOD methods_ebcdic=
596         {
597         BIO_TYPE_EBCDIC_FILTER,
598         "EBCDIC/ASCII filter",
599         ebcdic_write,
600         ebcdic_read,
601         ebcdic_puts,
602         ebcdic_gets,
603         ebcdic_ctrl,
604         ebcdic_new,
605         ebcdic_free,
606         };
607
608 typedef struct
609 {
610         size_t  alloced;
611         char    buff[1];
612 } EBCDIC_OUTBUFF;
613
614 BIO_METHOD *BIO_f_ebcdic_filter()
615 {
616         return(&methods_ebcdic);
617 }
618
619 static int ebcdic_new(BIO *bi)
620 {
621         EBCDIC_OUTBUFF *wbuf;
622
623         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
624         wbuf->alloced = 1024;
625         wbuf->buff[0] = '\0';
626
627         bi->ptr=(char *)wbuf;
628         bi->init=1;
629         bi->flags=0;
630         return(1);
631 }
632
633 static int ebcdic_free(BIO *a)
634 {
635         if (a == NULL) return(0);
636         if (a->ptr != NULL)
637                 OPENSSL_free(a->ptr);
638         a->ptr=NULL;
639         a->init=0;
640         a->flags=0;
641         return(1);
642 }
643         
644 static int ebcdic_read(BIO *b, char *out, int outl)
645 {
646         int ret=0;
647
648         if (out == NULL || outl == 0) return(0);
649         if (b->next_bio == NULL) return(0);
650
651         ret=BIO_read(b->next_bio,out,outl);
652         if (ret > 0)
653                 ascii2ebcdic(out,out,ret);
654         return(ret);
655 }
656
657 static int ebcdic_write(BIO *b, const char *in, int inl)
658 {
659         EBCDIC_OUTBUFF *wbuf;
660         int ret=0;
661         int num;
662         unsigned char n;
663
664         if ((in == NULL) || (inl <= 0)) return(0);
665         if (b->next_bio == NULL) return(0);
666
667         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
668
669         if (inl > (num = wbuf->alloced))
670         {
671                 num = num + num;  /* double the size */
672                 if (num < inl)
673                         num = inl;
674                 OPENSSL_free(wbuf);
675                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
676
677                 wbuf->alloced = num;
678                 wbuf->buff[0] = '\0';
679
680                 b->ptr=(char *)wbuf;
681         }
682
683         ebcdic2ascii(wbuf->buff, in, inl);
684
685         ret=BIO_write(b->next_bio, wbuf->buff, inl);
686
687         return(ret);
688 }
689
690 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
691 {
692         long ret;
693
694         if (b->next_bio == NULL) return(0);
695         switch (cmd)
696         {
697         case BIO_CTRL_DUP:
698                 ret=0L;
699                 break;
700         default:
701                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
702                 break;
703         }
704         return(ret);
705 }
706
707 static int ebcdic_gets(BIO *bp, char *buf, int size)
708 {
709         int i, ret=0;
710         if (bp->next_bio == NULL) return(0);
711 /*      return(BIO_gets(bp->next_bio,buf,size));*/
712         for (i=0; i<size-1; ++i)
713         {
714                 ret = ebcdic_read(bp,&buf[i],1);
715                 if (ret <= 0)
716                         break;
717                 else if (buf[i] == '\n')
718                 {
719                         ++i;
720                         break;
721                 }
722         }
723         if (i < size)
724                 buf[i] = '\0';
725         return (ret < 0 && i == 0) ? ret : i;
726 }
727
728 static int ebcdic_puts(BIO *bp, const char *str)
729 {
730         if (bp->next_bio == NULL) return(0);
731         return ebcdic_write(bp, str, strlen(str));
732 }
733 #endif
734
735 #ifndef OPENSSL_NO_TLSEXT
736
737 /* This is a context that we pass to callbacks */
738 typedef struct tlsextctx_st {
739    char * servername;
740    BIO * biodebug;
741    int extension_error;
742 } tlsextctx;
743
744
745 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
746         {
747         tlsextctx * p = (tlsextctx *) arg;
748         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
749         if (servername && p->biodebug) 
750                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
751         
752         if (!p->servername)
753                 return SSL_TLSEXT_ERR_NOACK;
754         
755         if (servername)
756                 {
757                 if (strcmp(servername,p->servername)) 
758                         return p->extension_error;
759                 if (ctx2)
760                         {
761                         BIO_printf(p->biodebug,"Switching server context.\n");
762                         SSL_set_SSL_CTX(s,ctx2);
763                         }     
764                 }
765         return SSL_TLSEXT_ERR_OK;
766 }
767
768 /* Structure passed to cert status callback */
769
770 typedef struct tlsextstatusctx_st {
771    /* Default responder to use */
772    char *host, *path, *port;
773    int use_ssl;
774    int timeout;
775    BIO *err;
776    int verbose;
777 } tlsextstatusctx;
778
779 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
780
781 /* Certificate Status callback. This is called when a client includes a
782  * certificate status request extension.
783  *
784  * This is a simplified version. It examines certificates each time and
785  * makes one OCSP responder query for each request.
786  *
787  * A full version would store details such as the OCSP certificate IDs and
788  * minimise the number of OCSP responses by caching them until they were
789  * considered "expired".
790  */
791
792 static int cert_status_cb(SSL *s, void *arg)
793         {
794         tlsextstatusctx *srctx = arg;
795         BIO *err = srctx->err;
796         char *host, *port, *path;
797         int use_ssl;
798         unsigned char *rspder = NULL;
799         int rspderlen;
800         STACK_OF(OPENSSL_STRING) *aia = NULL;
801         X509 *x = NULL;
802         X509_STORE_CTX inctx;
803         X509_OBJECT obj;
804         OCSP_REQUEST *req = NULL;
805         OCSP_RESPONSE *resp = NULL;
806         OCSP_CERTID *id = NULL;
807         STACK_OF(X509_EXTENSION) *exts;
808         int ret = SSL_TLSEXT_ERR_NOACK;
809         int i;
810 #if 0
811 STACK_OF(OCSP_RESPID) *ids;
812 SSL_get_tlsext_status_ids(s, &ids);
813 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
814 #endif
815         if (srctx->verbose)
816                 BIO_puts(err, "cert_status: callback called\n");
817         /* Build up OCSP query from server certificate */
818         x = SSL_get_certificate(s);
819         aia = X509_get1_ocsp(x);
820         if (aia)
821                 {
822                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
823                         &host, &port, &path, &use_ssl))
824                         {
825                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
826                         goto err;
827                         }
828                 if (srctx->verbose)
829                         BIO_printf(err, "cert_status: AIA URL: %s\n",
830                                         sk_OPENSSL_STRING_value(aia, 0));
831                 }
832         else
833                 {
834                 if (!srctx->host)
835                         {
836                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
837                         goto done;
838                         }
839                 host = srctx->host;
840                 path = srctx->path;
841                 port = srctx->port;
842                 use_ssl = srctx->use_ssl;
843                 }
844                 
845         if (!X509_STORE_CTX_init(&inctx,
846                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
847                                 NULL, NULL))
848                 goto err;
849         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
850                                 X509_get_issuer_name(x),&obj) <= 0)
851                 {
852                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
853                 X509_STORE_CTX_cleanup(&inctx);
854                 goto done;
855                 }
856         req = OCSP_REQUEST_new();
857         if (!req)
858                 goto err;
859         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
860         X509_free(obj.data.x509);
861         X509_STORE_CTX_cleanup(&inctx);
862         if (!id)
863                 goto err;
864         if (!OCSP_request_add0_id(req, id))
865                 goto err;
866         id = NULL;
867         /* Add any extensions to the request */
868         SSL_get_tlsext_status_exts(s, &exts);
869         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
870                 {
871                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
872                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
873                         goto err;
874                 }
875         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
876                                         srctx->timeout);
877         if (!resp)
878                 {
879                 BIO_puts(err, "cert_status: error querying responder\n");
880                 goto done;
881                 }
882         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
883         if (rspderlen <= 0)
884                 goto err;
885         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
886         if (srctx->verbose)
887                 {
888                 BIO_puts(err, "cert_status: ocsp response sent:\n");
889                 OCSP_RESPONSE_print(err, resp, 2);
890                 }
891         ret = SSL_TLSEXT_ERR_OK;
892         done:
893         if (ret != SSL_TLSEXT_ERR_OK)
894                 ERR_print_errors(err);
895         if (aia)
896                 {
897                 OPENSSL_free(host);
898                 OPENSSL_free(path);
899                 OPENSSL_free(port);
900                 X509_email_free(aia);
901                 }
902         if (id)
903                 OCSP_CERTID_free(id);
904         if (req)
905                 OCSP_REQUEST_free(req);
906         if (resp)
907                 OCSP_RESPONSE_free(resp);
908         return ret;
909         err:
910         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
911         goto done;
912         }
913
914 # ifndef OPENSSL_NO_NEXTPROTONEG
915 /* This is the context that we pass to next_proto_cb */
916 typedef struct tlsextnextprotoctx_st {
917         unsigned char *data;
918         unsigned int len;
919 } tlsextnextprotoctx;
920
921 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
922         {
923         tlsextnextprotoctx *next_proto = arg;
924
925         *data = next_proto->data;
926         *len = next_proto->len;
927
928         return SSL_TLSEXT_ERR_OK;
929         }
930 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
931 #endif
932
933 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
934         {
935         /* disable resumption for sessions with forward secure ciphers */
936         return is_forward_secure;
937         }
938
939 int MAIN(int, char **);
940
941 #ifndef OPENSSL_NO_JPAKE
942 static char *jpake_secret = NULL;
943 #endif
944 #ifndef OPENSSL_NO_SRP
945         static srpsrvparm srp_callback_parm;
946 #endif
947 static char *srtp_profiles = NULL;
948 static unsigned char *checkhost = NULL, *checkemail = NULL;
949 static char *checkip = NULL;
950
951
952 int MAIN(int argc, char *argv[])
953         {
954         X509_VERIFY_PARAM *vpm = NULL;
955         int badarg = 0;
956         short port=PORT;
957         char *CApath=NULL,*CAfile=NULL;
958         char *chCApath=NULL,*chCAfile=NULL;
959         char *vfyCApath=NULL,*vfyCAfile=NULL;
960         unsigned char *context = NULL;
961         char *dhfile = NULL;
962 #ifndef OPENSSL_NO_ECDH
963         char *named_curve = NULL;
964 #endif
965         int badop=0;
966         int ret=1;
967         int build_chain = 0;
968         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
969         int state=0;
970         const SSL_METHOD *meth=NULL;
971         int socket_type=SOCK_STREAM;
972         ENGINE *e=NULL;
973         char *inrand=NULL;
974         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
975         char *passarg = NULL, *pass = NULL;
976         char *dpassarg = NULL, *dpass = NULL;
977         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
978         X509 *s_cert = NULL, *s_dcert = NULL;
979         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
980         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
981         int no_cache = 0, ext_cache = 0;
982         int rev = 0;
983 #ifndef OPENSSL_NO_TLSEXT
984         EVP_PKEY *s_key2 = NULL;
985         X509 *s_cert2 = NULL;
986         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
987 # ifndef OPENSSL_NO_NEXTPROTONEG
988         const char *next_proto_neg_in = NULL;
989         tlsextnextprotoctx next_proto;
990 # endif
991 #endif
992 #ifndef OPENSSL_NO_PSK
993         /* by default do not send a PSK identity hint */
994         static char *psk_identity_hint=NULL;
995 #endif
996 #ifndef OPENSSL_NO_SRP
997         char *srpuserseed = NULL;
998         char *srp_verifier_file = NULL;
999 #endif
1000         SSL_EXCERT *exc = NULL;
1001         SSL_CONF_CTX *cctx = NULL;
1002         STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
1003
1004         meth=SSLv23_server_method();
1005
1006         local_argc=argc;
1007         local_argv=argv;
1008
1009         apps_startup();
1010 #ifdef MONOLITH
1011         s_server_init();
1012 #endif
1013
1014         if (bio_err == NULL)
1015                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1016
1017         if (!load_config(bio_err, NULL))
1018                 goto end;
1019
1020         cctx = SSL_CONF_CTX_new();
1021         if (!cctx)
1022                 goto end;
1023         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER);
1024
1025         verify_depth=0;
1026 #ifdef FIONBIO
1027         s_nbio=0;
1028 #endif
1029         s_nbio_test=0;
1030
1031         argc--;
1032         argv++;
1033
1034         while (argc >= 1)
1035                 {
1036                 if      ((strcmp(*argv,"-port") == 0) ||
1037                          (strcmp(*argv,"-accept") == 0))
1038                         {
1039                         if (--argc < 1) goto bad;
1040                         if (!extract_port(*(++argv),&port))
1041                                 goto bad;
1042                         }
1043                 else if (strcmp(*argv,"-verify") == 0)
1044                         {
1045                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1046                         if (--argc < 1) goto bad;
1047                         verify_depth=atoi(*(++argv));
1048                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1049                         }
1050                 else if (strcmp(*argv,"-Verify") == 0)
1051                         {
1052                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1053                                 SSL_VERIFY_CLIENT_ONCE;
1054                         if (--argc < 1) goto bad;
1055                         verify_depth=atoi(*(++argv));
1056                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1057                         }
1058                 else if (strcmp(*argv,"-context") == 0)
1059                         {
1060                         if (--argc < 1) goto bad;
1061                         context= (unsigned char *)*(++argv);
1062                         }
1063                 else if (strcmp(*argv,"-cert") == 0)
1064                         {
1065                         if (--argc < 1) goto bad;
1066                         s_cert_file= *(++argv);
1067                         }
1068 #ifndef OPENSSL_NO_TLSEXT
1069                 else if (strcmp(*argv,"-authz") == 0)
1070                         {
1071                         if (--argc < 1) goto bad;
1072                         s_authz_file = *(++argv);
1073                         }
1074 #endif
1075                 else if (strcmp(*argv,"-certform") == 0)
1076                         {
1077                         if (--argc < 1) goto bad;
1078                         s_cert_format = str2fmt(*(++argv));
1079                         }
1080                 else if (strcmp(*argv,"-key") == 0)
1081                         {
1082                         if (--argc < 1) goto bad;
1083                         s_key_file= *(++argv);
1084                         }
1085                 else if (strcmp(*argv,"-keyform") == 0)
1086                         {
1087                         if (--argc < 1) goto bad;
1088                         s_key_format = str2fmt(*(++argv));
1089                         }
1090                 else if (strcmp(*argv,"-pass") == 0)
1091                         {
1092                         if (--argc < 1) goto bad;
1093                         passarg = *(++argv);
1094                         }
1095                 else if (strcmp(*argv,"-cert_chain") == 0)
1096                         {
1097                         if (--argc < 1) goto bad;
1098                         s_chain_file= *(++argv);
1099                         }
1100                 else if (strcmp(*argv,"-dhparam") == 0)
1101                         {
1102                         if (--argc < 1) goto bad;
1103                         dhfile = *(++argv);
1104                         }
1105                 else if (strcmp(*argv,"-dcertform") == 0)
1106                         {
1107                         if (--argc < 1) goto bad;
1108                         s_dcert_format = str2fmt(*(++argv));
1109                         }
1110                 else if (strcmp(*argv,"-dcert") == 0)
1111                         {
1112                         if (--argc < 1) goto bad;
1113                         s_dcert_file= *(++argv);
1114                         }
1115                 else if (strcmp(*argv,"-dkeyform") == 0)
1116                         {
1117                         if (--argc < 1) goto bad;
1118                         s_dkey_format = str2fmt(*(++argv));
1119                         }
1120                 else if (strcmp(*argv,"-dpass") == 0)
1121                         {
1122                         if (--argc < 1) goto bad;
1123                         dpassarg = *(++argv);
1124                         }
1125                 else if (strcmp(*argv,"-dkey") == 0)
1126                         {
1127                         if (--argc < 1) goto bad;
1128                         s_dkey_file= *(++argv);
1129                         }
1130                 else if (strcmp(*argv,"-dcert_chain") == 0)
1131                         {
1132                         if (--argc < 1) goto bad;
1133                         s_dchain_file= *(++argv);
1134                         }
1135                 else if (strcmp(*argv,"-nocert") == 0)
1136                         {
1137                         nocert=1;
1138                         }
1139                 else if (strcmp(*argv,"-CApath") == 0)
1140                         {
1141                         if (--argc < 1) goto bad;
1142                         CApath= *(++argv);
1143                         }
1144                 else if (strcmp(*argv,"-chainCApath") == 0)
1145                         {
1146                         if (--argc < 1) goto bad;
1147                         chCApath= *(++argv);
1148                         }
1149                 else if (strcmp(*argv,"-verifyCApath") == 0)
1150                         {
1151                         if (--argc < 1) goto bad;
1152                         vfyCApath= *(++argv);
1153                         }
1154                 else if (strcmp(*argv,"-no_cache") == 0)
1155                         no_cache = 1;
1156                 else if (strcmp(*argv,"-ext_cache") == 0)
1157                         ext_cache = 1;
1158                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1159                         {
1160                         if (badarg)
1161                                 goto bad;
1162                         continue;
1163                         }
1164                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1165                         {
1166                         if (badarg)
1167                                 goto bad;
1168                         continue;
1169                         }
1170                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
1171                         {
1172                         if (badarg)
1173                                 goto bad;
1174                         continue;
1175                         }
1176                 else if (strcmp(*argv,"-verify_return_error") == 0)
1177                         verify_return_error = 1;
1178                 else if (strcmp(*argv,"-verify_quiet") == 0)
1179                         verify_quiet = 1;
1180                 else if (strcmp(*argv,"-build_chain") == 0)
1181                         build_chain = 1;
1182                 else if (strcmp(*argv,"-CAfile") == 0)
1183                         {
1184                         if (--argc < 1) goto bad;
1185                         CAfile= *(++argv);
1186                         }
1187                 else if (strcmp(*argv,"-chainCAfile") == 0)
1188                         {
1189                         if (--argc < 1) goto bad;
1190                         chCAfile= *(++argv);
1191                         }
1192                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1193                         {
1194                         if (--argc < 1) goto bad;
1195                         vfyCAfile= *(++argv);
1196                         }
1197 #ifdef FIONBIO  
1198                 else if (strcmp(*argv,"-nbio") == 0)
1199                         { s_nbio=1; }
1200 #endif
1201                 else if (strcmp(*argv,"-nbio_test") == 0)
1202                         {
1203 #ifdef FIONBIO  
1204                         s_nbio=1;
1205 #endif
1206                         s_nbio_test=1;
1207                         }
1208                 else if (strcmp(*argv,"-debug") == 0)
1209                         { s_debug=1; }
1210 #ifndef OPENSSL_NO_TLSEXT
1211                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1212                         s_tlsextdebug=1;
1213                 else if (strcmp(*argv,"-status") == 0)
1214                         s_tlsextstatus=1;
1215                 else if (strcmp(*argv,"-status_verbose") == 0)
1216                         {
1217                         s_tlsextstatus=1;
1218                         tlscstatp.verbose = 1;
1219                         }
1220                 else if (!strcmp(*argv, "-status_timeout"))
1221                         {
1222                         s_tlsextstatus=1;
1223                         if (--argc < 1) goto bad;
1224                         tlscstatp.timeout = atoi(*(++argv));
1225                         }
1226                 else if (!strcmp(*argv, "-status_url"))
1227                         {
1228                         s_tlsextstatus=1;
1229                         if (--argc < 1) goto bad;
1230                         if (!OCSP_parse_url(*(++argv),
1231                                         &tlscstatp.host,
1232                                         &tlscstatp.port,
1233                                         &tlscstatp.path,
1234                                         &tlscstatp.use_ssl))
1235                                 {
1236                                 BIO_printf(bio_err, "Error parsing URL\n");
1237                                 goto bad;
1238                                 }
1239                         }
1240 #endif
1241                 else if (strcmp(*argv,"-checkhost") == 0)
1242                         {
1243                         if (--argc < 1) goto bad;
1244                         checkhost=(unsigned char *)*(++argv);
1245                         }
1246                 else if (strcmp(*argv,"-checkemail") == 0)
1247                         {
1248                         if (--argc < 1) goto bad;
1249                         checkemail=(unsigned char *)*(++argv);
1250                         }
1251                 else if (strcmp(*argv,"-checkip") == 0)
1252                         {
1253                         if (--argc < 1) goto bad;
1254                         checkip=*(++argv);
1255                         }
1256                 else if (strcmp(*argv,"-msg") == 0)
1257                         { s_msg=1; }
1258                 else if (strcmp(*argv,"-msgfile") == 0)
1259                         {
1260                         if (--argc < 1) goto bad;
1261                         bio_s_msg = BIO_new_file(*(++argv), "w");
1262                         }
1263 #ifndef OPENSSL_NO_SSL_TRACE
1264                 else if (strcmp(*argv,"-trace") == 0)
1265                         { s_msg=2; }
1266 #endif
1267                 else if (strcmp(*argv,"-hack") == 0)
1268                         { hack=1; }
1269                 else if (strcmp(*argv,"-state") == 0)
1270                         { state=1; }
1271                 else if (strcmp(*argv,"-crlf") == 0)
1272                         { s_crlf=1; }
1273                 else if (strcmp(*argv,"-quiet") == 0)
1274                         { s_quiet=1; }
1275                 else if (strcmp(*argv,"-brief") == 0)
1276                         {
1277                         s_quiet=1;
1278                         s_brief=1;
1279                         verify_quiet=1;
1280                         }
1281                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1282                         { no_tmp_rsa=1; }
1283                 else if (strcmp(*argv,"-no_dhe") == 0)
1284                         { no_dhe=1; }
1285                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1286                         { no_ecdhe=1; }
1287                 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1288                         { no_resume_ephemeral = 1; }
1289 #ifndef OPENSSL_NO_PSK
1290                 else if (strcmp(*argv,"-psk_hint") == 0)
1291                         {
1292                         if (--argc < 1) goto bad;
1293                         psk_identity_hint= *(++argv);
1294                         }
1295                 else if (strcmp(*argv,"-psk") == 0)
1296                         {
1297                         size_t i;
1298
1299                         if (--argc < 1) goto bad;
1300                         psk_key=*(++argv);
1301                         for (i=0; i<strlen(psk_key); i++)
1302                                 {
1303                                 if (isxdigit((unsigned char)psk_key[i]))
1304                                         continue;
1305                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1306                                 goto bad;
1307                                 }
1308                         }
1309 #endif
1310 #ifndef OPENSSL_NO_SRP
1311                 else if (strcmp(*argv, "-srpvfile") == 0)
1312                         {
1313                         if (--argc < 1) goto bad;
1314                         srp_verifier_file = *(++argv);
1315                         meth = TLSv1_server_method();
1316                         }
1317                 else if (strcmp(*argv, "-srpuserseed") == 0)
1318                         {
1319                         if (--argc < 1) goto bad;
1320                         srpuserseed = *(++argv);
1321                         meth = TLSv1_server_method();
1322                         }
1323 #endif
1324                 else if (strcmp(*argv,"-rev") == 0)
1325                         { rev=1; }
1326                 else if (strcmp(*argv,"-www") == 0)
1327                         { www=1; }
1328                 else if (strcmp(*argv,"-WWW") == 0)
1329                         { www=2; }
1330                 else if (strcmp(*argv,"-HTTP") == 0)
1331                         { www=3; }
1332 #ifndef OPENSSL_NO_SSL2
1333                 else if (strcmp(*argv,"-ssl2") == 0)
1334                         { meth=SSLv2_server_method(); }
1335 #endif
1336 #ifndef OPENSSL_NO_SSL3
1337                 else if (strcmp(*argv,"-ssl3") == 0)
1338                         { meth=SSLv3_server_method(); }
1339 #endif
1340 #ifndef OPENSSL_NO_TLS1
1341                 else if (strcmp(*argv,"-tls1") == 0)
1342                         { meth=TLSv1_server_method(); }
1343                 else if (strcmp(*argv,"-tls1_1") == 0)
1344                         { meth=TLSv1_1_server_method(); }
1345                 else if (strcmp(*argv,"-tls1_2") == 0)
1346                         { meth=TLSv1_2_server_method(); }
1347 #endif
1348 #ifndef OPENSSL_NO_DTLS1
1349                 else if (strcmp(*argv,"-dtls1") == 0)
1350                         { 
1351                         meth=DTLSv1_server_method();
1352                         socket_type = SOCK_DGRAM;
1353                         }
1354                 else if (strcmp(*argv,"-timeout") == 0)
1355                         enable_timeouts = 1;
1356                 else if (strcmp(*argv,"-mtu") == 0)
1357                         {
1358                         if (--argc < 1) goto bad;
1359                         socket_mtu = atol(*(++argv));
1360                         }
1361                 else if (strcmp(*argv, "-chain") == 0)
1362                         cert_chain = 1;
1363 #endif
1364                 else if (strcmp(*argv, "-id_prefix") == 0)
1365                         {
1366                         if (--argc < 1) goto bad;
1367                         session_id_prefix = *(++argv);
1368                         }
1369 #ifndef OPENSSL_NO_ENGINE
1370                 else if (strcmp(*argv,"-engine") == 0)
1371                         {
1372                         if (--argc < 1) goto bad;
1373                         engine_id= *(++argv);
1374                         }
1375 #endif
1376                 else if (strcmp(*argv,"-rand") == 0)
1377                         {
1378                         if (--argc < 1) goto bad;
1379                         inrand= *(++argv);
1380                         }
1381 #ifndef OPENSSL_NO_TLSEXT
1382                 else if (strcmp(*argv,"-servername") == 0)
1383                         {
1384                         if (--argc < 1) goto bad;
1385                         tlsextcbp.servername= *(++argv);
1386                         }
1387                 else if (strcmp(*argv,"-servername_fatal") == 0)
1388                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1389                 else if (strcmp(*argv,"-cert2") == 0)
1390                         {
1391                         if (--argc < 1) goto bad;
1392                         s_cert_file2= *(++argv);
1393                         }
1394                 else if (strcmp(*argv,"-key2") == 0)
1395                         {
1396                         if (--argc < 1) goto bad;
1397                         s_key_file2= *(++argv);
1398                         }
1399 # ifndef OPENSSL_NO_NEXTPROTONEG
1400                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1401                         {
1402                         if (--argc < 1) goto bad;
1403                         next_proto_neg_in = *(++argv);
1404                         }
1405 # endif
1406 #endif
1407 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1408                 else if (strcmp(*argv,"-jpake") == 0)
1409                         {
1410                         if (--argc < 1) goto bad;
1411                         jpake_secret = *(++argv);
1412                         }
1413 #endif
1414                 else if (strcmp(*argv,"-use_srtp") == 0)
1415                         {
1416                         if (--argc < 1) goto bad;
1417                         srtp_profiles = *(++argv);
1418                         }
1419                 else if (strcmp(*argv,"-keymatexport") == 0)
1420                         {
1421                         if (--argc < 1) goto bad;
1422                         keymatexportlabel= *(++argv);
1423                         }
1424                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1425                         {
1426                         if (--argc < 1) goto bad;
1427                         keymatexportlen=atoi(*(++argv));
1428                         if (keymatexportlen == 0) goto bad;
1429                         }
1430 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
1431                 else if (strcmp(*argv, "-debug_broken_protocol") == 0)
1432                         cert_flags |= SSL_CERT_FLAG_BROKEN_PROTCOL;
1433 #endif
1434                 else
1435                         {
1436                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1437                         badop=1;
1438                         break;
1439                         }
1440                 argc--;
1441                 argv++;
1442                 }
1443         if (badop)
1444                 {
1445 bad:
1446                 sv_usage();
1447                 goto end;
1448                 }
1449
1450 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1451         if (jpake_secret)
1452                 {
1453                 if (psk_key)
1454                         {
1455                         BIO_printf(bio_err,
1456                                    "Can't use JPAKE and PSK together\n");
1457                         goto end;
1458                         }
1459                 psk_identity = "JPAKE";
1460                 if (cipher)
1461                         {
1462                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1463                         goto end;
1464                         }
1465                 cipher = "PSK";
1466                 }
1467
1468 #endif
1469
1470         SSL_load_error_strings();
1471         OpenSSL_add_ssl_algorithms();
1472
1473 #ifndef OPENSSL_NO_ENGINE
1474         e = setup_engine(bio_err, engine_id, 1);
1475 #endif
1476
1477         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1478                 {
1479                 BIO_printf(bio_err, "Error getting password\n");
1480                 goto end;
1481                 }
1482
1483
1484         if (s_key_file == NULL)
1485                 s_key_file = s_cert_file;
1486 #ifndef OPENSSL_NO_TLSEXT
1487         if (s_key_file2 == NULL)
1488                 s_key_file2 = s_cert_file2;
1489 #endif
1490
1491         if (!load_excert(&exc, bio_err))
1492                 goto end;
1493
1494         if (nocert == 0)
1495                 {
1496                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1497                        "server certificate private key file");
1498                 if (!s_key)
1499                         {
1500                         ERR_print_errors(bio_err);
1501                         goto end;
1502                         }
1503
1504                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1505                         NULL, e, "server certificate file");
1506
1507                 if (!s_cert)
1508                         {
1509                         ERR_print_errors(bio_err);
1510                         goto end;
1511                         }
1512                 if (s_chain_file)
1513                         {
1514                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1515                                         NULL, e, "server certificate chain");
1516                         if (!s_chain)
1517                                 goto end;
1518                         }
1519
1520 #ifndef OPENSSL_NO_TLSEXT
1521                 if (tlsextcbp.servername) 
1522                         {
1523                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1524                                 "second server certificate private key file");
1525                         if (!s_key2)
1526                                 {
1527                                 ERR_print_errors(bio_err);
1528                                 goto end;
1529                                 }
1530                         
1531                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1532                                 NULL, e, "second server certificate file");
1533                         
1534                         if (!s_cert2)
1535                                 {
1536                                 ERR_print_errors(bio_err);
1537                                 goto end;
1538                                 }
1539                         }
1540 #endif /* OPENSSL_NO_TLSEXT */
1541                 }
1542
1543 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 
1544         if (next_proto_neg_in)
1545                 {
1546                 unsigned short len;
1547                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1548                 if (next_proto.data == NULL)
1549                         goto end;
1550                 next_proto.len = len;
1551                 }
1552         else
1553                 {
1554                 next_proto.data = NULL;
1555                 }
1556 #endif
1557
1558
1559         if (s_dcert_file)
1560                 {
1561
1562                 if (s_dkey_file == NULL)
1563                         s_dkey_file = s_dcert_file;
1564
1565                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1566                                 0, dpass, e,
1567                                "second certificate private key file");
1568                 if (!s_dkey)
1569                         {
1570                         ERR_print_errors(bio_err);
1571                         goto end;
1572                         }
1573
1574                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1575                                 NULL, e, "second server certificate file");
1576
1577                 if (!s_dcert)
1578                         {
1579                         ERR_print_errors(bio_err);
1580                         goto end;
1581                         }
1582                 if (s_dchain_file)
1583                         {
1584                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1585                                 NULL, e, "second server certificate chain");
1586                         if (!s_dchain)
1587                                 goto end;
1588                         }
1589
1590                 }
1591
1592         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1593                 && !RAND_status())
1594                 {
1595                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1596                 }
1597         if (inrand != NULL)
1598                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1599                         app_RAND_load_files(inrand));
1600
1601         if (bio_s_out == NULL)
1602                 {
1603                 if (s_quiet && !s_debug && !s_msg)
1604                         {
1605                         bio_s_out=BIO_new(BIO_s_null());
1606                         }
1607                 else
1608                         {
1609                         if (bio_s_out == NULL)
1610                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1611                         }
1612                 }
1613
1614 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1615         if (nocert)
1616 #endif
1617                 {
1618                 s_cert_file=NULL;
1619                 s_key_file=NULL;
1620                 s_dcert_file=NULL;
1621                 s_dkey_file=NULL;
1622 #ifndef OPENSSL_NO_TLSEXT
1623                 s_cert_file2=NULL;
1624                 s_key_file2=NULL;
1625 #endif
1626                 }
1627
1628         ctx=SSL_CTX_new(meth);
1629         if (ctx == NULL)
1630                 {
1631                 ERR_print_errors(bio_err);
1632                 goto end;
1633                 }
1634         if (session_id_prefix)
1635                 {
1636                 if(strlen(session_id_prefix) >= 32)
1637                         BIO_printf(bio_err,
1638 "warning: id_prefix is too long, only one new session will be possible\n");
1639                 else if(strlen(session_id_prefix) >= 16)
1640                         BIO_printf(bio_err,
1641 "warning: id_prefix is too long if you use SSLv2\n");
1642                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1643                         {
1644                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1645                         ERR_print_errors(bio_err);
1646                         goto end;
1647                         }
1648                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1649                 }
1650         SSL_CTX_set_quiet_shutdown(ctx,1);
1651         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1652         if (exc) ssl_ctx_set_excert(ctx, exc);
1653         /* DTLS: partial reads end up discarding unread UDP bytes :-( 
1654          * Setting read ahead solves this problem.
1655          */
1656         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1657
1658         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1659         if (no_cache)
1660                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1661         else if (ext_cache)
1662                 init_session_cache_ctx(ctx);
1663         else
1664                 SSL_CTX_sess_set_cache_size(ctx,128);
1665
1666         if (srtp_profiles != NULL)
1667                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1668
1669 #if 0
1670         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1671 #endif
1672
1673 #if 0
1674         if (s_cert_file == NULL)
1675                 {
1676                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1677                 goto end;
1678                 }
1679 #endif
1680
1681         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1682                 (!SSL_CTX_set_default_verify_paths(ctx)))
1683                 {
1684                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1685                 ERR_print_errors(bio_err);
1686                 /* goto end; */
1687                 }
1688         if (vpm)
1689                 SSL_CTX_set1_param(ctx, vpm);
1690
1691         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args))
1692                 goto end;
1693
1694         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile))
1695                 {
1696                 BIO_printf(bio_err, "Error loading store locations\n");
1697                 ERR_print_errors(bio_err);
1698                 goto end;
1699                 }
1700
1701 #ifndef OPENSSL_NO_TLSEXT
1702         if (s_cert2)
1703                 {
1704                 ctx2=SSL_CTX_new(meth);
1705                 if (ctx2 == NULL)
1706                         {
1707                         ERR_print_errors(bio_err);
1708                         goto end;
1709                         }
1710                 }
1711         
1712         if (ctx2)
1713                 {
1714                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1715
1716                 if (session_id_prefix)
1717                         {
1718                         if(strlen(session_id_prefix) >= 32)
1719                                 BIO_printf(bio_err,
1720                                         "warning: id_prefix is too long, only one new session will be possible\n");
1721                         else if(strlen(session_id_prefix) >= 16)
1722                                 BIO_printf(bio_err,
1723                                         "warning: id_prefix is too long if you use SSLv2\n");
1724                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1725                                 {
1726                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1727                                 ERR_print_errors(bio_err);
1728                                 goto end;
1729                                 }
1730                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1731                         }
1732                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1733                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1734                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1735                 /* DTLS: partial reads end up discarding unread UDP bytes :-( 
1736                  * Setting read ahead solves this problem.
1737                  */
1738                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1739
1740                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1741
1742                 if (no_cache)
1743                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1744                 else if (ext_cache)
1745                         init_session_cache_ctx(ctx2);
1746                 else
1747                         SSL_CTX_sess_set_cache_size(ctx2,128);
1748
1749                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1750                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1751                         {
1752                         ERR_print_errors(bio_err);
1753                         }
1754                 if (vpm)
1755                         SSL_CTX_set1_param(ctx2, vpm);
1756
1757                 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args))
1758                         goto end;
1759                 }
1760
1761 # ifndef OPENSSL_NO_NEXTPROTONEG
1762         if (next_proto.data)
1763                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1764 # endif
1765 #endif 
1766
1767 #ifndef OPENSSL_NO_DH
1768         if (!no_dhe)
1769                 {
1770                 DH *dh=NULL;
1771
1772                 if (dhfile)
1773                         dh = load_dh_param(dhfile);
1774                 else if (s_cert_file)
1775                         dh = load_dh_param(s_cert_file);
1776
1777                 if (dh != NULL)
1778                         {
1779                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1780                         }
1781                 else
1782                         {
1783                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1784                         dh=get_dh512();
1785                         }
1786                 (void)BIO_flush(bio_s_out);
1787
1788                 SSL_CTX_set_tmp_dh(ctx,dh);
1789 #ifndef OPENSSL_NO_TLSEXT
1790                 if (ctx2)
1791                         {
1792                         if (!dhfile)
1793                                 { 
1794                                 DH *dh2=load_dh_param(s_cert_file2);
1795                                 if (dh2 != NULL)
1796                                         {
1797                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1798                                         (void)BIO_flush(bio_s_out);
1799
1800                                         DH_free(dh);
1801                                         dh = dh2;
1802                                         }
1803                                 }
1804                         SSL_CTX_set_tmp_dh(ctx2,dh);
1805                         }
1806 #endif
1807                 DH_free(dh);
1808                 }
1809 #endif
1810
1811 #ifndef OPENSSL_NO_ECDH
1812         if (!no_ecdhe)
1813                 {
1814                 EC_KEY *ecdh=NULL;
1815
1816                 if (named_curve && strcmp(named_curve, "auto"))
1817                         {
1818                         int nid = EC_curve_nist2nid(named_curve);
1819                         if (nid == NID_undef)
1820                                 nid = OBJ_sn2nid(named_curve);
1821                         if (nid == 0)
1822                                 {
1823                                 BIO_printf(bio_err, "unknown curve name (%s)\n", 
1824                                         named_curve);
1825                                 goto end;
1826                                 }
1827                         ecdh = EC_KEY_new_by_curve_name(nid);
1828                         if (ecdh == NULL)
1829                                 {
1830                                 BIO_printf(bio_err, "unable to create curve (%s)\n", 
1831                                         named_curve);
1832                                 goto end;
1833                                 }
1834                         }
1835
1836                 if (ecdh != NULL)
1837                         {
1838                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1839                         }
1840                 else if (named_curve)
1841                         SSL_CTX_set_ecdh_auto(ctx, 1);
1842                 else
1843                         {
1844                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1845                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1846                         if (ecdh == NULL) 
1847                                 {
1848                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1849                                 goto end;
1850                                 }
1851                         }
1852                 (void)BIO_flush(bio_s_out);
1853
1854                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1855 #ifndef OPENSSL_NO_TLSEXT
1856                 if (ctx2) 
1857                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1858 #endif
1859                 EC_KEY_free(ecdh);
1860                 }
1861 #endif
1862         
1863         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1864                 goto end;
1865 #ifndef OPENSSL_NO_TLSEXT
1866         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1867                 goto end;
1868 #endif
1869 #ifndef OPENSSL_NO_TLSEXT
1870         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1871                 goto end; 
1872 #endif
1873         if (s_dcert != NULL)
1874                 {
1875                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1876                         goto end;
1877                 }
1878
1879 #ifndef OPENSSL_NO_RSA
1880 #if 1
1881         if (!no_tmp_rsa)
1882                 {
1883                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1884 #ifndef OPENSSL_NO_TLSEXT
1885                 if (ctx2) 
1886                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1887 #endif          
1888                 }
1889 #else
1890         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1891                 {
1892                 RSA *rsa;
1893
1894                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1895                 BIO_flush(bio_s_out);
1896
1897                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1898
1899                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1900                         {
1901                         ERR_print_errors(bio_err);
1902                         goto end;
1903                         }
1904 #ifndef OPENSSL_NO_TLSEXT
1905                         if (ctx2)
1906                                 {
1907                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1908                                         {
1909                                         ERR_print_errors(bio_err);
1910                                         goto end;
1911                                         }
1912                                 }
1913 #endif
1914                 RSA_free(rsa);
1915                 BIO_printf(bio_s_out,"\n");
1916                 }
1917 #endif
1918 #endif
1919
1920         if (no_resume_ephemeral)
1921                 {
1922                 SSL_CTX_set_not_resumable_session_callback(ctx, not_resumable_sess_cb);
1923 #ifndef OPENSSL_NO_TLSEXT
1924                 if (ctx2)
1925                         SSL_CTX_set_not_resumable_session_callback(ctx2, not_resumable_sess_cb);
1926 #endif
1927                 }
1928
1929 #ifndef OPENSSL_NO_PSK
1930 #ifdef OPENSSL_NO_JPAKE
1931         if (psk_key != NULL)
1932 #else
1933         if (psk_key != NULL || jpake_secret)
1934 #endif
1935                 {
1936                 if (s_debug)
1937                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1938                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1939                 }
1940
1941         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1942                 {
1943                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1944                 ERR_print_errors(bio_err);
1945                 goto end;
1946                 }
1947 #endif
1948
1949         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1950         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1951                 sizeof s_server_session_id_context);
1952
1953         /* Set DTLS cookie generation and verification callbacks */
1954         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1955         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1956
1957 #ifndef OPENSSL_NO_TLSEXT
1958         if (ctx2)
1959                 {
1960                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1961                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1962                         sizeof s_server_session_id_context);
1963
1964                 tlsextcbp.biodebug = bio_s_out;
1965                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1966                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1967                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1968                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1969                 }
1970 #endif
1971
1972 #ifndef OPENSSL_NO_SRP
1973         if (srp_verifier_file != NULL)
1974                 {
1975                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1976                 srp_callback_parm.user = NULL;
1977                 srp_callback_parm.login = NULL;
1978                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1979                         {
1980                         BIO_printf(bio_err,
1981                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1982                                    srp_verifier_file, ret);
1983                                 goto end;
1984                         }
1985                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1986                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);                        
1987                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1988                 }
1989         else
1990 #endif
1991         if (CAfile != NULL)
1992                 {
1993                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1994 #ifndef OPENSSL_NO_TLSEXT
1995                 if (ctx2) 
1996                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1997 #endif
1998                 }
1999
2000         BIO_printf(bio_s_out,"ACCEPT\n");
2001         (void)BIO_flush(bio_s_out);
2002         if (rev)
2003                 do_server(port,socket_type,&accept_socket,rev_body, context);
2004         else if (www)
2005                 do_server(port,socket_type,&accept_socket,www_body, context);
2006         else
2007                 do_server(port,socket_type,&accept_socket,sv_body, context);
2008         print_stats(bio_s_out,ctx);
2009         ret=0;
2010 end:
2011         if (ctx != NULL) SSL_CTX_free(ctx);
2012         if (s_cert)
2013                 X509_free(s_cert);
2014         if (s_dcert)
2015                 X509_free(s_dcert);
2016         if (s_key)
2017                 EVP_PKEY_free(s_key);
2018         if (s_dkey)
2019                 EVP_PKEY_free(s_dkey);
2020         if (s_chain)
2021                 sk_X509_pop_free(s_chain, X509_free);
2022         if (s_dchain)
2023                 sk_X509_pop_free(s_dchain, X509_free);
2024         if (pass)
2025                 OPENSSL_free(pass);
2026         if (dpass)
2027                 OPENSSL_free(dpass);
2028         free_sessions();
2029 #ifndef OPENSSL_NO_TLSEXT
2030         if (tlscstatp.host)
2031                 OPENSSL_free(tlscstatp.host);
2032         if (tlscstatp.port)
2033                 OPENSSL_free(tlscstatp.port);
2034         if (tlscstatp.path)
2035                 OPENSSL_free(tlscstatp.path);
2036         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2037         if (s_cert2)
2038                 X509_free(s_cert2);
2039         if (s_key2)
2040                 EVP_PKEY_free(s_key2);
2041         if (authz_in != NULL)
2042                 BIO_free(authz_in);
2043 #endif
2044         ssl_excert_free(exc);
2045         if (ssl_args)
2046                 sk_OPENSSL_STRING_free(ssl_args);
2047         if (cctx)
2048                 SSL_CONF_CTX_free(cctx);
2049         if (bio_s_out != NULL)
2050                 {
2051         BIO_free(bio_s_out);
2052                 bio_s_out=NULL;
2053                 }
2054         if (bio_s_msg != NULL)
2055                 {
2056                 BIO_free(bio_s_msg);
2057                 bio_s_msg = NULL;
2058                 }
2059         apps_shutdown();
2060         OPENSSL_EXIT(ret);
2061         }
2062
2063 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2064         {
2065         BIO_printf(bio,"%4ld items in the session cache\n",
2066                 SSL_CTX_sess_number(ssl_ctx));
2067         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2068                 SSL_CTX_sess_connect(ssl_ctx));
2069         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2070                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2071         BIO_printf(bio,"%4ld client connects that finished\n",
2072                 SSL_CTX_sess_connect_good(ssl_ctx));
2073         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2074                 SSL_CTX_sess_accept(ssl_ctx));
2075         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2076                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2077         BIO_printf(bio,"%4ld server accepts that finished\n",
2078                 SSL_CTX_sess_accept_good(ssl_ctx));
2079         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2080         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2081         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2082         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2083         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2084                 SSL_CTX_sess_cache_full(ssl_ctx),
2085                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2086         }
2087
2088 static int sv_body(char *hostname, int s, unsigned char *context)
2089         {
2090         char *buf=NULL;
2091         fd_set readfds;
2092         int ret=1,width;
2093         int k,i;
2094         unsigned long l;
2095         SSL *con=NULL;
2096         BIO *sbio;
2097 #ifndef OPENSSL_NO_KRB5
2098         KSSL_CTX *kctx;
2099 #endif
2100         struct timeval timeout;
2101 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2102         struct timeval tv;
2103 #else
2104         struct timeval *timeoutp;
2105 #endif
2106
2107         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2108                 {
2109                 BIO_printf(bio_err,"out of memory\n");
2110                 goto err;
2111                 }
2112 #ifdef FIONBIO  
2113         if (s_nbio)
2114                 {
2115                 unsigned long sl=1;
2116
2117                 if (!s_quiet)
2118                         BIO_printf(bio_err,"turning on non blocking io\n");
2119                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2120                         ERR_print_errors(bio_err);
2121                 }
2122 #endif
2123
2124         if (con == NULL) {
2125                 con=SSL_new(ctx);
2126 #ifndef OPENSSL_NO_TLSEXT
2127         if (s_tlsextdebug)
2128                 {
2129                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2130                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2131                 }
2132         if (s_tlsextstatus)
2133                 {
2134                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2135                 tlscstatp.err = bio_err;
2136                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2137                 }
2138 #endif
2139 #ifndef OPENSSL_NO_KRB5
2140                 if ((kctx = kssl_ctx_new()) != NULL)
2141                         {
2142                         SSL_set0_kssl_ctx(con, kctx);
2143                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2144                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2145                         }
2146 #endif  /* OPENSSL_NO_KRB5 */
2147                 if(context)
2148                       SSL_set_session_id_context(con, context,
2149                                                  strlen((char *)context));
2150         }
2151         SSL_clear(con);
2152 #if 0
2153 #ifdef TLSEXT_TYPE_opaque_prf_input
2154         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2155 #endif
2156 #endif
2157
2158         if (SSL_version(con) == DTLS1_VERSION)
2159                 {
2160
2161                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2162
2163                 if (enable_timeouts)
2164                         {
2165                         timeout.tv_sec = 0;
2166                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2167                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2168                         
2169                         timeout.tv_sec = 0;
2170                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2171                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2172                         }
2173
2174                 if (socket_mtu > 28)
2175                         {
2176                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2177                         SSL_set_mtu(con, socket_mtu - 28);
2178                         }
2179                 else
2180                         /* want to do MTU discovery */
2181                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2182
2183         /* turn on cookie exchange */
2184         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2185                 }
2186         else
2187                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2188
2189         if (s_nbio_test)
2190                 {
2191                 BIO *test;
2192
2193                 test=BIO_new(BIO_f_nbio_test());
2194                 sbio=BIO_push(test,sbio);
2195                 }
2196 #ifndef OPENSSL_NO_JPAKE
2197         if(jpake_secret)
2198                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2199 #endif
2200
2201         SSL_set_bio(con,sbio,sbio);
2202         SSL_set_accept_state(con);
2203         /* SSL_set_fd(con,s); */
2204
2205         if (s_debug)
2206                 {
2207                 SSL_set_debug(con, 1);
2208                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2209                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2210                 }
2211         if (s_msg)
2212                 {
2213 #ifndef OPENSSL_NO_SSL_TRACE
2214                 if (s_msg == 2)
2215                         SSL_set_msg_callback(con, SSL_trace);
2216                 else
2217 #endif
2218                         SSL_set_msg_callback(con, msg_cb);
2219                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2220                 }
2221 #ifndef OPENSSL_NO_TLSEXT
2222         if (s_tlsextdebug)
2223                 {
2224                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2225                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2226                 }
2227 #endif
2228
2229         width=s+1;
2230         for (;;)
2231                 {
2232                 int read_from_terminal;
2233                 int read_from_sslcon;
2234
2235                 read_from_terminal = 0;
2236                 read_from_sslcon = SSL_pending(con);
2237
2238                 if (!read_from_sslcon)
2239                         {
2240                         FD_ZERO(&readfds);
2241 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2242                         openssl_fdset(fileno(stdin),&readfds);
2243 #endif
2244                         openssl_fdset(s,&readfds);
2245                         /* Note: under VMS with SOCKETSHR the second parameter is
2246                          * currently of type (int *) whereas under other systems
2247                          * it is (void *) if you don't have a cast it will choke
2248                          * the compiler: if you do have a cast then you can either
2249                          * go for (int *) or (void *).
2250                          */
2251 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2252                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2253                          * on sockets. As a workaround we timeout the select every
2254                          * second and check for any keypress. In a proper Windows
2255                          * application we wouldn't do this because it is inefficient.
2256                          */
2257                         tv.tv_sec = 1;
2258                         tv.tv_usec = 0;
2259                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2260                         if((i < 0) || (!i && !_kbhit() ) )continue;
2261                         if(_kbhit())
2262                                 read_from_terminal = 1;
2263 #elif defined(OPENSSL_SYS_BEOS_R5)
2264                         /* Under BeOS-R5 the situation is similar to DOS */
2265                         tv.tv_sec = 1;
2266                         tv.tv_usec = 0;
2267                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2268                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2269                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2270                                 continue;
2271                         if (read(fileno(stdin), buf, 0) >= 0)
2272                                 read_from_terminal = 1;
2273                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2274 #else
2275                         if ((SSL_version(con) == DTLS1_VERSION) &&
2276                                 DTLSv1_get_timeout(con, &timeout))
2277                                 timeoutp = &timeout;
2278                         else
2279                                 timeoutp = NULL;
2280
2281                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2282
2283                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2284                                 {
2285                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2286                                 }
2287
2288                         if (i <= 0) continue;
2289                         if (FD_ISSET(fileno(stdin),&readfds))
2290                                 read_from_terminal = 1;
2291 #endif
2292                         if (FD_ISSET(s,&readfds))
2293                                 read_from_sslcon = 1;
2294                         }
2295                 if (read_from_terminal)
2296                         {
2297                         if (s_crlf)
2298                                 {
2299                                 int j, lf_num;
2300
2301                                 i=raw_read_stdin(buf, bufsize/2);
2302                                 lf_num = 0;
2303                                 /* both loops are skipped when i <= 0 */
2304                                 for (j = 0; j < i; j++)
2305                                         if (buf[j] == '\n')
2306                                                 lf_num++;
2307                                 for (j = i-1; j >= 0; j--)
2308                                         {
2309                                         buf[j+lf_num] = buf[j];
2310                                         if (buf[j] == '\n')
2311                                                 {
2312                                                 lf_num--;
2313                                                 i++;
2314                                                 buf[j+lf_num] = '\r';
2315                                                 }
2316                                         }
2317                                 assert(lf_num == 0);
2318                                 }
2319                         else
2320                                 i=raw_read_stdin(buf,bufsize);
2321                         if (!s_quiet && !s_brief)
2322                                 {
2323                                 if ((i <= 0) || (buf[0] == 'Q'))
2324                                         {
2325                                         BIO_printf(bio_s_out,"DONE\n");
2326                                         SHUTDOWN(s);
2327                                         close_accept_socket();
2328                                         ret= -11;
2329                                         goto err;
2330                                         }
2331                                 if ((i <= 0) || (buf[0] == 'q'))
2332                                         {
2333                                         BIO_printf(bio_s_out,"DONE\n");
2334                                         if (SSL_version(con) != DTLS1_VERSION)
2335                         SHUTDOWN(s);
2336         /*                              close_accept_socket();
2337                                         ret= -11;*/
2338                                         goto err;
2339                                         }
2340
2341 #ifndef OPENSSL_NO_HEARTBEATS
2342                                 if ((buf[0] == 'B') &&
2343                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2344                                         {
2345                                         BIO_printf(bio_err,"HEARTBEATING\n");
2346                                         SSL_heartbeat(con);
2347                                         i=0;
2348                                         continue;
2349                                         }
2350 #endif
2351                                 if ((buf[0] == 'r') && 
2352                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2353                                         {
2354                                         SSL_renegotiate(con);
2355                                         i=SSL_do_handshake(con);
2356                                         printf("SSL_do_handshake -> %d\n",i);
2357                                         i=0; /*13; */
2358                                         continue;
2359                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2360                                         }
2361                                 if ((buf[0] == 'R') &&
2362                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2363                                         {
2364                                         SSL_set_verify(con,
2365                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2366                                         SSL_renegotiate(con);
2367                                         i=SSL_do_handshake(con);
2368                                         printf("SSL_do_handshake -> %d\n",i);
2369                                         i=0; /* 13; */
2370                                         continue;
2371                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2372                                         }
2373                                 if (buf[0] == 'P')
2374                                         {
2375                                         static const char *str="Lets print some clear text\n";
2376                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2377                                         }
2378                                 if (buf[0] == 'S')
2379                                         {
2380                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2381                                         }
2382                                 }
2383 #ifdef CHARSET_EBCDIC
2384                         ebcdic2ascii(buf,buf,i);
2385 #endif
2386                         l=k=0;
2387                         for (;;)
2388                                 {
2389                                 /* should do a select for the write */
2390 #ifdef RENEG
2391 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2392 #endif
2393                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2394 #ifndef OPENSSL_NO_SRP
2395                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2396                                         {
2397                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2398                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2399                                         if (srp_callback_parm.user) 
2400                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2401                                         else 
2402                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2403                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2404                                         }
2405 #endif
2406                                 switch (SSL_get_error(con,k))
2407                                         {
2408                                 case SSL_ERROR_NONE:
2409                                         break;
2410                                 case SSL_ERROR_WANT_WRITE:
2411                                 case SSL_ERROR_WANT_READ:
2412                                 case SSL_ERROR_WANT_X509_LOOKUP:
2413                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2414                                         break;
2415                                 case SSL_ERROR_SYSCALL:
2416                                 case SSL_ERROR_SSL:
2417                                         BIO_printf(bio_s_out,"ERROR\n");
2418                                         ERR_print_errors(bio_err);
2419                                         ret=1;
2420                                         goto err;
2421                                         /* break; */
2422                                 case SSL_ERROR_ZERO_RETURN:
2423                                         BIO_printf(bio_s_out,"DONE\n");
2424                                         ret=1;
2425                                         goto err;
2426                                         }
2427                                 l+=k;
2428                                 i-=k;
2429                                 if (i <= 0) break;
2430                                 }
2431                         }
2432                 if (read_from_sslcon)
2433                         {
2434                         if (!SSL_is_init_finished(con))
2435                                 {
2436                                 i=init_ssl_connection(con);
2437                                 
2438                                 if (i < 0)
2439                                         {
2440                                         ret=0;
2441                                         goto err;
2442                                         }
2443                                 else if (i == 0)
2444                                         {
2445                                         ret=1;
2446                                         goto err;
2447                                         }
2448                                 }
2449                         else
2450                                 {
2451 again:  
2452                                 i=SSL_read(con,(char *)buf,bufsize);
2453 #ifndef OPENSSL_NO_SRP
2454                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2455                                         {
2456                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2457                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2458                                         if (srp_callback_parm.user) 
2459                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2460                                         else 
2461                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2462                                         i=SSL_read(con,(char *)buf,bufsize);
2463                                         }
2464 #endif
2465                                 switch (SSL_get_error(con,i))
2466                                         {
2467                                 case SSL_ERROR_NONE:
2468 #ifdef CHARSET_EBCDIC
2469                                         ascii2ebcdic(buf,buf,i);
2470 #endif
2471                                         raw_write_stdout(buf,
2472                                                 (unsigned int)i);
2473                                         if (SSL_pending(con)) goto again;
2474                                         break;
2475                                 case SSL_ERROR_WANT_WRITE:
2476                                 case SSL_ERROR_WANT_READ:
2477                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2478                                         break;
2479                                 case SSL_ERROR_SYSCALL:
2480                                 case SSL_ERROR_SSL:
2481                                         BIO_printf(bio_s_out,"ERROR\n");
2482                                         ERR_print_errors(bio_err);
2483                                         ret=1;
2484                                         goto err;
2485                                 case SSL_ERROR_ZERO_RETURN:
2486                                         BIO_printf(bio_s_out,"DONE\n");
2487                                         ret=1;
2488                                         goto err;
2489                                         }
2490                                 }
2491                         }
2492                 }
2493 err:
2494         if (con != NULL)
2495                 {
2496                 BIO_printf(bio_s_out,"shutting down SSL\n");
2497 #if 1
2498                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2499 #else
2500                 SSL_shutdown(con);
2501 #endif
2502                 SSL_free(con);
2503                 }
2504         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2505         if (buf != NULL)
2506                 {
2507                 OPENSSL_cleanse(buf,bufsize);
2508                 OPENSSL_free(buf);
2509                 }
2510         if (ret >= 0)
2511                 BIO_printf(bio_s_out,"ACCEPT\n");
2512         return(ret);
2513         }
2514
2515 static void close_accept_socket(void)
2516         {
2517         BIO_printf(bio_err,"shutdown accept socket\n");
2518         if (accept_socket >= 0)
2519                 {
2520                 SHUTDOWN2(accept_socket);
2521                 }
2522         }
2523
2524 static int init_ssl_connection(SSL *con)
2525         {
2526         int i;
2527         const char *str;
2528         X509 *peer;
2529         long verify_error;
2530         MS_STATIC char buf[BUFSIZ];
2531 #ifndef OPENSSL_NO_KRB5
2532         char *client_princ;
2533 #endif
2534 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2535         const unsigned char *next_proto_neg;
2536         unsigned next_proto_neg_len;
2537 #endif
2538         unsigned char *exportedkeymat;
2539
2540
2541         i=SSL_accept(con);
2542 #ifndef OPENSSL_NO_SRP
2543         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 
2544                 {
2545                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2546                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2547                         if (srp_callback_parm.user) 
2548                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2549                         else 
2550                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2551                         i=SSL_accept(con);
2552                 }
2553 #endif
2554         if (i <= 0)
2555                 {
2556                 if (BIO_sock_should_retry(i))
2557                         {
2558                         BIO_printf(bio_s_out,"DELAY\n");
2559                         return(1);
2560                         }
2561
2562                 BIO_printf(bio_err,"ERROR\n");
2563                 verify_error=SSL_get_verify_result(con);
2564                 if (verify_error != X509_V_OK)
2565                         {
2566                         BIO_printf(bio_err,"verify error:%s\n",
2567                                 X509_verify_cert_error_string(verify_error));
2568                         }
2569                 /* Always print any error messages */
2570                 ERR_print_errors(bio_err);
2571                 return(0);
2572                 }
2573
2574         if (s_brief)
2575                 print_ssl_summary(bio_err, con);
2576
2577         print_ssl_cert_checks(bio_err, con, checkhost, checkemail, checkip);
2578
2579         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2580
2581         peer=SSL_get_peer_certificate(con);
2582         if (peer != NULL)
2583                 {
2584                 BIO_printf(bio_s_out,"Client certificate\n");
2585                 PEM_write_bio_X509(bio_s_out,peer);
2586                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2587                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2588                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2589                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2590                 X509_free(peer);
2591                 }
2592
2593         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2594                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2595         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2596         ssl_print_sigalgs(bio_s_out, con);
2597         ssl_print_curves(bio_s_out, con, 0);
2598         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2599
2600 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2601         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2602         if (next_proto_neg)
2603                 {
2604                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2605                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2606                 BIO_printf(bio_s_out, "\n");
2607                 }
2608 #endif
2609         {
2610         SRTP_PROTECTION_PROFILE *srtp_profile
2611           = SSL_get_selected_srtp_profile(con);
2612
2613         if(srtp_profile)
2614                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2615                            srtp_profile->name);
2616         }
2617         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2618         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2619                 TLS1_FLAGS_TLS_PADDING_BUG)
2620                 BIO_printf(bio_s_out,
2621                            "Peer has incorrect TLSv1 block padding\n");
2622 #ifndef OPENSSL_NO_KRB5
2623         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2624         if (client_princ != NULL)
2625                 {
2626                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2627                                                                 client_princ);
2628                 }
2629 #endif /* OPENSSL_NO_KRB5 */
2630         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2631                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2632         if (keymatexportlabel != NULL)
2633                 {
2634                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2635                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2636                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2637                            keymatexportlen);
2638                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2639                 if (exportedkeymat != NULL)
2640                         {
2641                         if (!SSL_export_keying_material(con, exportedkeymat,
2642                                                         keymatexportlen,
2643                                                         keymatexportlabel,
2644                                                         strlen(keymatexportlabel),
2645                                                         NULL, 0, 0))
2646                                 {
2647                                 BIO_printf(bio_s_out, "    Error\n");
2648                                 }
2649                         else
2650                                 {
2651                                 BIO_printf(bio_s_out, "    Keying material: ");
2652                                 for (i=0; i<keymatexportlen; i++)
2653                                         BIO_printf(bio_s_out, "%02X",
2654                                                    exportedkeymat[i]);
2655                                 BIO_printf(bio_s_out, "\n");
2656                                 }
2657                         OPENSSL_free(exportedkeymat);
2658                         }
2659                 }
2660
2661         return(1);
2662         }
2663
2664 #ifndef OPENSSL_NO_DH
2665 static DH *load_dh_param(const char *dhfile)
2666         {
2667         DH *ret=NULL;
2668         BIO *bio;
2669
2670         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2671                 goto err;
2672         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2673 err:
2674         if (bio != NULL) BIO_free(bio);
2675         return(ret);
2676         }
2677 #endif
2678
2679 #if 0
2680 static int load_CA(SSL_CTX *ctx, char *file)
2681         {
2682         FILE *in;
2683         X509 *x=NULL;
2684
2685         if ((in=fopen(file,"r")) == NULL)
2686                 return(0);
2687
2688         for (;;)
2689                 {
2690                 if (PEM_read_X509(in,&x,NULL) == NULL)
2691                         break;
2692                 SSL_CTX_add_client_CA(ctx,x);
2693                 }
2694         if (x != NULL) X509_free(x);
2695         fclose(in);
2696         return(1);
2697         }
2698 #endif
2699
2700 static int www_body(char *hostname, int s, unsigned char *context)
2701         {
2702         char *buf=NULL;
2703         int ret=1;
2704         int i,j,k,dot;
2705         SSL *con;
2706         const SSL_CIPHER *c;
2707         BIO *io,*ssl_bio,*sbio;
2708 #ifndef OPENSSL_NO_KRB5
2709         KSSL_CTX *kctx;
2710 #endif
2711
2712         buf=OPENSSL_malloc(bufsize);
2713         if (buf == NULL) return(0);
2714         io=BIO_new(BIO_f_buffer());
2715         ssl_bio=BIO_new(BIO_f_ssl());
2716         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2717
2718 #ifdef FIONBIO  
2719         if (s_nbio)
2720                 {
2721                 unsigned long sl=1;
2722
2723                 if (!s_quiet)
2724                         BIO_printf(bio_err,"turning on non blocking io\n");
2725                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2726                         ERR_print_errors(bio_err);
2727                 }
2728 #endif
2729
2730         /* lets make the output buffer a reasonable size */
2731         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2732
2733         if ((con=SSL_new(ctx)) == NULL) goto err;
2734 #ifndef OPENSSL_NO_TLSEXT
2735                 if (s_tlsextdebug)
2736                         {
2737                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2738                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2739                         }
2740 #endif
2741 #ifndef OPENSSL_NO_KRB5
2742         if ((kctx = kssl_ctx_new()) != NULL)
2743                 {
2744                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2745                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2746                 }
2747 #endif  /* OPENSSL_NO_KRB5 */
2748         if(context) SSL_set_session_id_context(con, context,
2749                                                strlen((char *)context));
2750
2751         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2752         if (s_nbio_test)
2753                 {
2754                 BIO *test;
2755
2756                 test=BIO_new(BIO_f_nbio_test());
2757                 sbio=BIO_push(test,sbio);
2758                 }
2759         SSL_set_bio(con,sbio,sbio);
2760         SSL_set_accept_state(con);
2761
2762         /* SSL_set_fd(con,s); */
2763         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2764         BIO_push(io,ssl_bio);
2765 #ifdef CHARSET_EBCDIC
2766         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2767 #endif
2768
2769         if (s_debug)
2770                 {
2771                 SSL_set_debug(con, 1);
2772                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2773                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2774                 }
2775         if (s_msg)
2776                 {
2777 #ifndef OPENSSL_NO_SSL_TRACE
2778                 if (s_msg == 2)
2779                         SSL_set_msg_callback(con, SSL_trace);
2780                 else
2781 #endif
2782                         SSL_set_msg_callback(con, msg_cb);
2783                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2784                 }
2785
2786         for (;;)
2787                 {
2788                 if (hack)
2789                         {
2790                         i=SSL_accept(con);
2791 #ifndef OPENSSL_NO_SRP
2792                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 
2793                 {
2794                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2795                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2796                         if (srp_callback_parm.user) 
2797                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2798                         else 
2799                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2800                         i=SSL_accept(con);
2801                 }
2802 #endif
2803                         switch (SSL_get_error(con,i))
2804                                 {
2805                         case SSL_ERROR_NONE:
2806                                 break;
2807                         case SSL_ERROR_WANT_WRITE:
2808                         case SSL_ERROR_WANT_READ:
2809                         case SSL_ERROR_WANT_X509_LOOKUP:
2810                                 continue;
2811                         case SSL_ERROR_SYSCALL:
2812                         case SSL_ERROR_SSL:
2813                         case SSL_ERROR_ZERO_RETURN:
2814                                 ret=1;
2815                                 goto err;
2816                                 /* break; */
2817                                 }
2818
2819                         SSL_renegotiate(con);
2820                         SSL_write(con,NULL,0);
2821                         }
2822
2823                 i=BIO_gets(io,buf,bufsize-1);
2824                 if (i < 0) /* error */
2825                         {
2826                         if (!BIO_should_retry(io))
2827                                 {
2828                                 if (!s_quiet)
2829                                         ERR_print_errors(bio_err);
2830                                 goto err;
2831                                 }
2832                         else
2833                                 {
2834                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2835 #if defined(OPENSSL_SYS_NETWARE)
2836             delay(1000);
2837 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2838                                 sleep(1);
2839 #endif
2840                                 continue;
2841                                 }
2842                         }
2843                 else if (i == 0) /* end of input */
2844                         {
2845                         ret=1;
2846                         goto end;
2847                         }
2848
2849                 /* else we have data */
2850                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2851                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2852                         {
2853                         char *p;
2854                         X509 *peer;
2855                         STACK_OF(SSL_CIPHER) *sk;
2856                         static const char *space="                          ";
2857
2858                 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0)
2859                         {
2860                         if (strncmp("GET /renegcert", buf, 14) == 0)
2861                                 SSL_set_verify(con,
2862                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2863                         i=SSL_renegotiate(con);
2864                         BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n",i);
2865                         i=SSL_do_handshake(con);
2866                         if (i <= 0)
2867                                 {
2868                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2869                                 ERR_print_errors(bio_err);
2870                                 goto err;
2871                                 }
2872                         /* EVIL HACK! */
2873                         SSL_set_state(con, SSL_ST_ACCEPT);
2874                         i=SSL_do_handshake(con);
2875                         BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n",i);
2876                         if (i <= 0)
2877                                 {
2878                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2879                                 ERR_print_errors(bio_err);
2880                                 goto err;
2881                                 }
2882                         }
2883
2884                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2885                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2886                         BIO_puts(io,"<pre>\n");
2887 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2888                         BIO_puts(io,"\n");
2889                         for (i=0; i<local_argc; i++)
2890                                 {
2891                                 BIO_puts(io,local_argv[i]);
2892                                 BIO_write(io," ",1);
2893                                 }
2894                         BIO_puts(io,"\n");
2895
2896                         BIO_printf(io,
2897                                 "Secure Renegotiation IS%s supported\n",
2898                                 SSL_get_secure_renegotiation_support(con) ?
2899                                                         "" : " NOT");
2900
2901                         /* The following is evil and should not really
2902                          * be done */
2903                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2904                         sk=SSL_get_ciphers(con);
2905                         j=sk_SSL_CIPHER_num(sk);
2906                         for (i=0; i<j; i++)
2907                                 {
2908                                 c=sk_SSL_CIPHER_value(sk,i);
2909                                 BIO_printf(io,"%-11s:%-25s",
2910                                         SSL_CIPHER_get_version(c),
2911                                         SSL_CIPHER_get_name(c));
2912                                 if ((((i+1)%2) == 0) && (i+1 != j))
2913                                         BIO_puts(io,"\n");
2914                                 }
2915                         BIO_puts(io,"\n");
2916                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2917                         if (p != NULL)
2918                                 {
2919                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2920                                 j=i=0;
2921                                 while (*p)
2922                                         {
2923                                         if (*p == ':')
2924                                                 {
2925                                                 BIO_write(io,space,26-j);
2926                                                 i++;
2927                                                 j=0;
2928                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2929                                                 }
2930                                         else
2931                                                 {
2932                                                 BIO_write(io,p,1);
2933                                                 j++;
2934                                                 }
2935                                         p++;
2936                                         }
2937                                 BIO_puts(io,"\n");
2938                                 }
2939                         ssl_print_sigalgs(io, con);
2940                         ssl_print_curves(io, con, 0);
2941                         BIO_printf(io,(SSL_cache_hit(con)
2942                                 ?"---\nReused, "
2943                                 :"---\nNew, "));
2944                         c=SSL_get_current_cipher(con);
2945                         BIO_printf(io,"%s, Cipher is %s\n",
2946                                 SSL_CIPHER_get_version(c),
2947                                 SSL_CIPHER_get_name(c));
2948                         SSL_SESSION_print(io,SSL_get_session(con));
2949                         BIO_printf(io,"---\n");
2950                         print_stats(io,SSL_get_SSL_CTX(con));
2951                         BIO_printf(io,"---\n");
2952                         peer=SSL_get_peer_certificate(con);
2953                         if (peer != NULL)
2954                                 {
2955                                 BIO_printf(io,"Client certificate\n");
2956                                 X509_print(io,peer);
2957                                 PEM_write_bio_X509(io,peer);
2958                                 }
2959                         else
2960                                 BIO_puts(io,"no client certificate available\n");
2961                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2962                         break;
2963                         }
2964                 else if ((www == 2 || www == 3)
2965                          && (strncmp("GET /",buf,5) == 0))
2966                         {
2967                         BIO *file;
2968                         char *p,*e;
2969                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2970
2971                         /* skip the '/' */
2972                         p= &(buf[5]);
2973
2974                         dot = 1;
2975                         for (e=p; *e != '\0'; e++)
2976                                 {
2977                                 if (e[0] == ' ')
2978                                         break;
2979
2980                                 switch (dot)
2981                                         {
2982                                 case 1:
2983                                         dot = (e[0] == '.') ? 2 : 0;
2984                                         break;
2985                                 case 2:
2986                                         dot = (e[0] == '.') ? 3 : 0;
2987                                         break;
2988                                 case 3:
2989                                         dot = (e[0] == '/') ? -1 : 0;
2990                                         break;
2991                                         }
2992                                 if (dot == 0)
2993                                         dot = (e[0] == '/') ? 1 : 0;
2994                                 }
2995                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2996
2997                         if (*e == '\0')
2998                                 {
2999                                 BIO_puts(io,text);
3000                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
3001                                 break;
3002                                 }
3003                         *e='\0';
3004
3005                         if (dot)
3006                                 {
3007                                 BIO_puts(io,text);
3008                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
3009                                 break;
3010                                 }
3011
3012                         if (*p == '/')
3013                                 {
3014                                 BIO_puts(io,text);
3015                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
3016                                 break;
3017                                 }
3018
3019 #if 0
3020                         /* append if a directory lookup */
3021                         if (e[-1] == '/')
3022                                 strcat(p,"index.html");
3023 #endif
3024
3025                         /* if a directory, do the index thang */
3026                         if (app_isdir(p)>0)
3027                                 {
3028 #if 0 /* must check buffer size */
3029                                 strcat(p,"/index.html");
3030 #else
3031                                 BIO_puts(io,text);
3032                                 BIO_printf(io,"'%s' is a directory\r\n",p);
3033                                 break;
3034 #endif
3035                                 }
3036
3037                         if ((file=BIO_new_file(p,"r")) == NULL)
3038                                 {
3039                                 BIO_puts(io,text);
3040                                 BIO_printf(io,"Error opening '%s'\r\n",p);
3041                                 ERR_print_errors(io);
3042                                 break;
3043                                 }
3044
3045                         if (!s_quiet)
3046                                 BIO_printf(bio_err,"FILE:%s\n",p);
3047
3048                         if (www == 2)
3049                                 {
3050                                 i=strlen(p);
3051                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3052                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3053                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3054                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3055                                 else
3056                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3057                                 }
3058                         /* send the file */
3059                         for (;;)
3060                                 {
3061                                 i=BIO_read(file,buf,bufsize);
3062                                 if (i <= 0) break;
3063
3064 #ifdef RENEG
3065                                 total_bytes+=i;
3066                                 fprintf(stderr,"%d\n",i);
3067                                 if (total_bytes > 3*1024)
3068                                         {
3069                                         total_bytes=0;
3070                                         fprintf(stderr,"RENEGOTIATE\n");
3071                                         SSL_renegotiate(con);
3072                                         }
3073 #endif
3074
3075                                 for (j=0; j<i; )
3076                                         {
3077 #ifdef RENEG
3078 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3079 #endif
3080                                         k=BIO_write(io,&(buf[j]),i-j);
3081                                         if (k <= 0)
3082                                                 {
3083                                                 if (!BIO_should_retry(io))
3084                                                         goto write_error;
3085                                                 else
3086                                                         {
3087                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3088                                                         }
3089                                                 }
3090                                         else
3091                                                 {
3092                                                 j+=k;
3093                                                 }
3094                                         }
3095                                 }
3096 write_error:
3097                         BIO_free(file);
3098                         break;
3099                         }
3100                 }
3101
3102         for (;;)
3103                 {
3104                 i=(int)BIO_flush(io);
3105                 if (i <= 0)
3106                         {
3107                         if (!BIO_should_retry(io))
3108                                 break;
3109                         }
3110                 else
3111                         break;
3112                 }
3113 end:
3114 #if 1
3115         /* make sure we re-use sessions */
3116         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3117 #else
3118         /* This kills performance */
3119 /*      SSL_shutdown(con); A shutdown gets sent in the
3120  *      BIO_free_all(io) procession */
3121 #endif
3122
3123 err:
3124
3125         if (ret >= 0)
3126                 BIO_printf(bio_s_out,"ACCEPT\n");
3127
3128         if (buf != NULL) OPENSSL_free(buf);
3129         if (io != NULL) BIO_free_all(io);
3130 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3131         return(ret);
3132         }
3133
3134 static int rev_body(char *hostname, int s, unsigned char *context)
3135         {
3136         char *buf=NULL;
3137         int i;
3138         int ret=1;
3139         SSL *con;
3140         BIO *io,*ssl_bio,*sbio;
3141 #ifndef OPENSSL_NO_KRB5
3142         KSSL_CTX *kctx;
3143 #endif
3144
3145         buf=OPENSSL_malloc(bufsize);
3146         if (buf == NULL) return(0);
3147         io=BIO_new(BIO_f_buffer());
3148         ssl_bio=BIO_new(BIO_f_ssl());
3149         if ((io == NULL) || (ssl_bio == NULL)) goto err;
3150
3151         /* lets make the output buffer a reasonable size */
3152         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
3153
3154         if ((con=SSL_new(ctx)) == NULL) goto err;
3155 #ifndef OPENSSL_NO_TLSEXT
3156         if (s_tlsextdebug)
3157                 {
3158                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3159                 SSL_set_tlsext_debug_arg(con, bio_s_out);
3160                 }
3161 #endif
3162 #ifndef OPENSSL_NO_KRB5
3163         if ((kctx = kssl_ctx_new()) != NULL)
3164                 {
3165                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
3166                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
3167                 }
3168 #endif  /* OPENSSL_NO_KRB5 */
3169         if(context) SSL_set_session_id_context(con, context,
3170                                                strlen((char *)context));
3171
3172         sbio=BIO_new_socket(s,BIO_NOCLOSE);
3173         SSL_set_bio(con,sbio,sbio);
3174         SSL_set_accept_state(con);
3175
3176         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
3177         BIO_push(io,ssl_bio);
3178 #ifdef CHARSET_EBCDIC
3179         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
3180 #endif
3181
3182         if (s_debug)
3183                 {
3184                 SSL_set_debug(con, 1);
3185                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
3186                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
3187                 }
3188         if (s_msg)
3189                 {
3190 #ifndef OPENSSL_NO_SSL_TRACE
3191                 if (s_msg == 2)
3192                         SSL_set_msg_callback(con, SSL_trace);
3193                 else
3194 #endif
3195                         SSL_set_msg_callback(con, msg_cb);
3196                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3197                 }
3198
3199         for (;;)
3200                 {
3201                 i = BIO_do_handshake(io);
3202                 if (i > 0)
3203                         break;
3204                 if (!BIO_should_retry(io))
3205                         {
3206                         BIO_puts(bio_err, "CONNECTION FAILURE\n");
3207                         ERR_print_errors(bio_err);
3208                         goto end;
3209                         }
3210                 }
3211         BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3212         print_ssl_summary(bio_err, con);
3213
3214         for (;;)
3215                 {
3216                 i=BIO_gets(io,buf,bufsize-1);
3217                 if (i < 0) /* error */
3218                         {
3219                         if (!BIO_should_retry(io))
3220                                 {
3221                                 if (!s_quiet)
3222                                         ERR_print_errors(bio_err);
3223                                 goto err;
3224                                 }
3225                         else
3226                                 {
3227                                 BIO_printf(bio_s_out,"read R BLOCK\n");
3228 #if defined(OPENSSL_SYS_NETWARE)
3229             delay(1000);
3230 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
3231                                 sleep(1);
3232 #endif
3233                                 continue;
3234                                 }
3235                         }
3236                 else if (i == 0) /* end of input */
3237                         {
3238                         ret=1;
3239                         BIO_printf(bio_err, "CONNECTION CLOSED\n");
3240                         goto end;
3241                         }
3242                 else
3243                         {
3244                         char *p = buf + i - 1;
3245                         while(i && (*p == '\n' || *p == '\r'))
3246                                 {
3247                                 p--;
3248                                 i--;
3249                                 }
3250                         BUF_reverse((unsigned char *)buf, NULL, i);
3251                         buf[i] = '\n';
3252                         BIO_write(io, buf, i + 1);
3253                         for (;;)
3254                                 {
3255                                 i = BIO_flush(io);
3256                                 if (i > 0)
3257                                         break;
3258                                 if (!BIO_should_retry(io))
3259                                         goto end;
3260                                 }
3261                         }
3262                 }
3263 end:
3264         /* make sure we re-use sessions */
3265         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3266
3267 err:
3268
3269         if (buf != NULL) OPENSSL_free(buf);
3270         if (io != NULL) BIO_free_all(io);
3271         return(ret);
3272         }
3273
3274 #ifndef OPENSSL_NO_RSA
3275 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3276         {
3277         BIGNUM *bn = NULL;
3278         static RSA *rsa_tmp=NULL;
3279
3280         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3281                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3282         if (!rsa_tmp && bn)
3283                 {
3284                 if (!s_quiet)
3285                         {
3286                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3287                         (void)BIO_flush(bio_err);
3288                         }
3289                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3290                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3291                         {
3292                         if(rsa_tmp) RSA_free(rsa_tmp);
3293                         rsa_tmp = NULL;
3294                         }
3295                 if (!s_quiet)
3296                         {
3297                         BIO_printf(bio_err,"\n");
3298                         (void)BIO_flush(bio_err);
3299                         }
3300                 BN_free(bn);
3301                 }
3302         return(rsa_tmp);
3303         }
3304 #endif
3305
3306 #define MAX_SESSION_ID_ATTEMPTS 10
3307 static int generate_session_id(const SSL *ssl, unsigned char *id,
3308                                 unsigned int *id_len)
3309         {
3310         unsigned int count = 0;
3311         do      {
3312                 RAND_pseudo_bytes(id, *id_len);
3313                 /* Prefix the session_id with the required prefix. NB: If our
3314                  * prefix is too long, clip it - but there will be worse effects
3315                  * anyway, eg. the server could only possibly create 1 session
3316                  * ID (ie. the prefix!) so all future session negotiations will
3317                  * fail due to conflicts. */
3318                 memcpy(id, session_id_prefix,
3319                         (strlen(session_id_prefix) < *id_len) ?
3320                         strlen(session_id_prefix) : *id_len);
3321                 }
3322         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3323                 (++count < MAX_SESSION_ID_ATTEMPTS));
3324         if(count >= MAX_SESSION_ID_ATTEMPTS)
3325                 return 0;
3326         return 1;
3327         }
3328
3329 /* By default s_server uses an in-memory cache which caches SSL_SESSION
3330  * structures without any serialisation. This hides some bugs which only
3331  * become apparent in deployed servers. By implementing a basic external
3332  * session cache some issues can be debugged using s_server.
3333  */
3334
3335 typedef struct simple_ssl_session_st
3336         {
3337         unsigned char *id;
3338         unsigned int idlen;
3339         unsigned char *der;
3340         int derlen;
3341         struct simple_ssl_session_st *next;
3342         } simple_ssl_session;
3343
3344 static simple_ssl_session *first = NULL;
3345
3346 static int add_session(SSL *ssl, SSL_SESSION *session)
3347         {
3348         simple_ssl_session *sess;
3349         unsigned char *p;
3350
3351         sess = OPENSSL_malloc(sizeof(simple_ssl_session));
3352
3353         SSL_SESSION_get_id(session, &sess->idlen);
3354         sess->derlen = i2d_SSL_SESSION(session, NULL);
3355
3356         sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3357
3358         sess->der = OPENSSL_malloc(sess->derlen);
3359         p = sess->der;
3360         i2d_SSL_SESSION(session, &p);
3361
3362         sess->next = first;
3363         first = sess;
3364         BIO_printf(bio_err, "New session added to external cache\n");
3365         return 0;
3366         }
3367
3368 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3369                                         int *do_copy)
3370         {
3371         simple_ssl_session *sess;
3372         *do_copy = 0;
3373         for (sess = first; sess; sess = sess->next)
3374                 {
3375                 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen))
3376                         {
3377                         const unsigned char *p = sess->der;
3378                         BIO_printf(bio_err, "Lookup session: cache hit\n");
3379                         return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3380                         }
3381                 }
3382         BIO_printf(bio_err, "Lookup session: cache miss\n");
3383         return NULL;
3384         }
3385
3386 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3387         {
3388         simple_ssl_session *sess, *prev = NULL;
3389         const unsigned char *id;
3390         unsigned int idlen;
3391         id = SSL_SESSION_get_id(session, &idlen);       
3392         for (sess = first; sess; sess = sess->next)
3393                 {
3394                 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
3395                         {
3396                         if(prev)
3397                                 prev->next = sess->next;
3398                         else
3399                                 first = sess->next;
3400                         OPENSSL_free(sess->id);
3401                         OPENSSL_free(sess->der);
3402                         OPENSSL_free(sess);
3403                         return;
3404                         }
3405                 prev = sess;
3406                 }
3407         }
3408
3409 static void init_session_cache_ctx(SSL_CTX *sctx)
3410         {
3411         SSL_CTX_set_session_cache_mode(sctx,
3412                         SSL_SESS_CACHE_NO_INTERNAL|SSL_SESS_CACHE_SERVER);
3413         SSL_CTX_sess_set_new_cb(sctx, add_session);
3414         SSL_CTX_sess_set_get_cb(sctx, get_session);
3415         SSL_CTX_sess_set_remove_cb(sctx, del_session);
3416         }
3417
3418 static void free_sessions(void)
3419         {
3420         simple_ssl_session *sess, *tsess;
3421         for (sess = first; sess;)
3422                 {
3423                 OPENSSL_free(sess->id);
3424                 OPENSSL_free(sess->der);
3425                 tsess = sess;
3426                 sess = sess->next;
3427                 OPENSSL_free(tsess);
3428                 }
3429         first = NULL;
3430         }
3431
3432 static int ssl_load_stores(SSL_CTX *sctx,
3433                         const char *vfyCApath, const char *vfyCAfile,
3434                         const char *chCApath, const char *chCAfile)
3435         {
3436         X509_STORE *vfy = NULL, *ch = NULL;
3437         int rv = 0;
3438         if (vfyCApath || vfyCAfile)
3439                 {
3440                 vfy = X509_STORE_new();
3441                 if (!X509_STORE_load_locations(vfy, vfyCAfile, vfyCApath))
3442                         goto err;
3443                 SSL_CTX_set1_verify_cert_store(ctx, vfy);
3444                 }
3445         if (chCApath || chCAfile)
3446                 {
3447                 ch = X509_STORE_new();
3448                 if (!X509_STORE_load_locations(ch, chCAfile, chCApath))
3449                         goto err;
3450                 /*X509_STORE_set_verify_cb(ch, verify_callback);*/
3451                 SSL_CTX_set1_chain_cert_store(ctx, ch);
3452                 }
3453         rv = 1;
3454         err:
3455         if (vfy)
3456                 X509_STORE_free(vfy);
3457         if (ch)
3458                 X509_STORE_free(ch);
3459         return rv;
3460         }
3461
3462
3463
3464
3465
3466
3467         
3468
3469