Make no-ec compilation work.
[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, int stype, unsigned char *context);
209 static int www_body(char *hostname, int s, int stype, unsigned char *context);
210 static int rev_body(char *hostname, int s, int stype, 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 #ifndef OPENSSL_NO_DH
220 static DH *load_dh_param(const char *dhfile);
221 static DH *get_dh512(void);
222 #endif
223
224 #ifdef MONOLITH
225 static void s_server_init(void);
226 #endif
227
228 #ifndef OPENSSL_NO_DH
229 static unsigned char dh512_p[]={
230         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
231         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
232         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
233         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
234         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
235         0x47,0x74,0xE8,0x33,
236         };
237 static unsigned char dh512_g[]={
238         0x02,
239         };
240
241 static DH *get_dh512(void)
242         {
243         DH *dh=NULL;
244
245         if ((dh=DH_new()) == NULL) return(NULL);
246         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
247         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
248         if ((dh->p == NULL) || (dh->g == NULL))
249                 return(NULL);
250         return(dh);
251         }
252 #endif
253
254
255 /* static int load_CA(SSL_CTX *ctx, char *file);*/
256
257 #undef BUFSIZZ
258 #define BUFSIZZ 16*1024
259 static int bufsize=BUFSIZZ;
260 static int accept_socket= -1;
261
262 #define TEST_CERT       "server.pem"
263 #ifndef OPENSSL_NO_TLSEXT
264 #define TEST_CERT2      "server2.pem"
265 #endif
266 #undef PROG
267 #define PROG            s_server_main
268
269 extern int verify_depth, verify_return_error, verify_quiet;
270
271 static int s_server_verify=SSL_VERIFY_NONE;
272 static int s_server_session_id_context = 1; /* anything will do */
273 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
274 #ifndef OPENSSL_NO_TLSEXT
275 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
276 #endif
277 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
278 #ifdef FIONBIO
279 static int s_nbio=0;
280 #endif
281 static int s_nbio_test=0;
282 int s_crlf=0;
283 static SSL_CTX *ctx=NULL;
284 #ifndef OPENSSL_NO_TLSEXT
285 static SSL_CTX *ctx2=NULL;
286 #endif
287 static int www=0;
288
289 static BIO *bio_s_out=NULL;
290 static BIO *bio_s_msg = NULL;
291 static int s_debug=0;
292 #ifndef OPENSSL_NO_TLSEXT
293 static int s_tlsextdebug=0;
294 static int s_tlsextstatus=0;
295 static int cert_status_cb(SSL *s, void *arg);
296 #endif
297 static int no_resume_ephemeral = 0;
298 static int s_msg=0;
299 static int s_quiet=0;
300 static int s_ign_eof=0;
301 static int s_brief=0;
302
303 static char *keymatexportlabel=NULL;
304 static int keymatexportlen=20;
305
306 static int hack=0;
307 #ifndef OPENSSL_NO_ENGINE
308 static char *engine_id=NULL;
309 #endif
310 static const char *session_id_prefix=NULL;
311
312 static int enable_timeouts = 0;
313 static long socket_mtu;
314 #ifndef OPENSSL_NO_DTLS1
315 static int cert_chain = 0;
316 #endif
317
318 #ifndef OPENSSL_NO_TLSEXT
319 static BIO *authz_in = NULL;
320 static const char *s_authz_file = NULL;
321 static BIO *serverinfo_in = NULL;
322 static const char *s_serverinfo_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 #ifndef OPENSSL_NO_TLSEXT
485         BIO_printf(bio_err," -serverinfo arg - PEM serverinfo file for certificate\n");
486 #endif
487         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
488                            "                 The CRL(s) are appended to the certificate file\n");
489         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
490                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
491                            "                 the certificate file.\n");
492         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
493         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
494         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
495         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
496         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
497         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
498         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
499         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
500         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
501         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
502         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
503         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
504 #ifndef OPENSSL_NO_ECDH
505         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
506                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
507                            "                 (default is nistp256).\n");
508 #endif
509 #ifdef FIONBIO
510         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
511 #endif
512         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
513         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
514         BIO_printf(bio_err," -debug        - Print more output\n");
515         BIO_printf(bio_err," -msg          - Show protocol messages\n");
516         BIO_printf(bio_err," -state        - Print the SSL states\n");
517         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
518         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
519         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
520         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
521         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
522         BIO_printf(bio_err," -quiet        - No server output\n");
523         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
524 #ifndef OPENSSL_NO_PSK
525         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
526         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
527 # ifndef OPENSSL_NO_JPAKE
528         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
529 # endif
530 #endif
531 #ifndef OPENSSL_NO_SRP
532         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
533         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
534 #endif
535         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
536         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
537         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
538         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
539         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
540         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
541         BIO_printf(bio_err," -dtls1_2      - Just talk DTLSv1.2\n");
542         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
543         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
544         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
545         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
546         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
547         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
548         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
549         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
550 #ifndef OPENSSL_NO_DH
551         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
552 #endif
553 #ifndef OPENSSL_NO_ECDH
554         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
555 #endif
556         BIO_printf(bio_err, "-no_resume_ephemeral - Disable caching and tickets if ephemeral (EC)DH is used\n");
557         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
558         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
559         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
560         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
561         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
562 #ifndef OPENSSL_NO_ENGINE
563         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
564 #endif
565         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
566         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
567 #ifndef OPENSSL_NO_TLSEXT
568         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
569         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
570         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
571         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
572         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
573         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
574         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
575         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
576         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
577 # ifndef OPENSSL_NO_NEXTPROTONEG
578         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
579 # endif
580         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
581         BIO_printf(bio_err," -alpn arg  - set the advertised protocols for the ALPN extension (comma-separated list)\n");
582 #endif
583         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
584         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
585         }
586
587 static int local_argc=0;
588 static char **local_argv;
589
590 #ifdef CHARSET_EBCDIC
591 static int ebcdic_new(BIO *bi);
592 static int ebcdic_free(BIO *a);
593 static int ebcdic_read(BIO *b, char *out, int outl);
594 static int ebcdic_write(BIO *b, const char *in, int inl);
595 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
596 static int ebcdic_gets(BIO *bp, char *buf, int size);
597 static int ebcdic_puts(BIO *bp, const char *str);
598
599 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
600 static BIO_METHOD methods_ebcdic=
601         {
602         BIO_TYPE_EBCDIC_FILTER,
603         "EBCDIC/ASCII filter",
604         ebcdic_write,
605         ebcdic_read,
606         ebcdic_puts,
607         ebcdic_gets,
608         ebcdic_ctrl,
609         ebcdic_new,
610         ebcdic_free,
611         };
612
613 typedef struct
614 {
615         size_t  alloced;
616         char    buff[1];
617 } EBCDIC_OUTBUFF;
618
619 BIO_METHOD *BIO_f_ebcdic_filter()
620 {
621         return(&methods_ebcdic);
622 }
623
624 static int ebcdic_new(BIO *bi)
625 {
626         EBCDIC_OUTBUFF *wbuf;
627
628         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
629         wbuf->alloced = 1024;
630         wbuf->buff[0] = '\0';
631
632         bi->ptr=(char *)wbuf;
633         bi->init=1;
634         bi->flags=0;
635         return(1);
636 }
637
638 static int ebcdic_free(BIO *a)
639 {
640         if (a == NULL) return(0);
641         if (a->ptr != NULL)
642                 OPENSSL_free(a->ptr);
643         a->ptr=NULL;
644         a->init=0;
645         a->flags=0;
646         return(1);
647 }
648         
649 static int ebcdic_read(BIO *b, char *out, int outl)
650 {
651         int ret=0;
652
653         if (out == NULL || outl == 0) return(0);
654         if (b->next_bio == NULL) return(0);
655
656         ret=BIO_read(b->next_bio,out,outl);
657         if (ret > 0)
658                 ascii2ebcdic(out,out,ret);
659         return(ret);
660 }
661
662 static int ebcdic_write(BIO *b, const char *in, int inl)
663 {
664         EBCDIC_OUTBUFF *wbuf;
665         int ret=0;
666         int num;
667         unsigned char n;
668
669         if ((in == NULL) || (inl <= 0)) return(0);
670         if (b->next_bio == NULL) return(0);
671
672         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
673
674         if (inl > (num = wbuf->alloced))
675         {
676                 num = num + num;  /* double the size */
677                 if (num < inl)
678                         num = inl;
679                 OPENSSL_free(wbuf);
680                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
681
682                 wbuf->alloced = num;
683                 wbuf->buff[0] = '\0';
684
685                 b->ptr=(char *)wbuf;
686         }
687
688         ebcdic2ascii(wbuf->buff, in, inl);
689
690         ret=BIO_write(b->next_bio, wbuf->buff, inl);
691
692         return(ret);
693 }
694
695 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
696 {
697         long ret;
698
699         if (b->next_bio == NULL) return(0);
700         switch (cmd)
701         {
702         case BIO_CTRL_DUP:
703                 ret=0L;
704                 break;
705         default:
706                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
707                 break;
708         }
709         return(ret);
710 }
711
712 static int ebcdic_gets(BIO *bp, char *buf, int size)
713 {
714         int i, ret=0;
715         if (bp->next_bio == NULL) return(0);
716 /*      return(BIO_gets(bp->next_bio,buf,size));*/
717         for (i=0; i<size-1; ++i)
718         {
719                 ret = ebcdic_read(bp,&buf[i],1);
720                 if (ret <= 0)
721                         break;
722                 else if (buf[i] == '\n')
723                 {
724                         ++i;
725                         break;
726                 }
727         }
728         if (i < size)
729                 buf[i] = '\0';
730         return (ret < 0 && i == 0) ? ret : i;
731 }
732
733 static int ebcdic_puts(BIO *bp, const char *str)
734 {
735         if (bp->next_bio == NULL) return(0);
736         return ebcdic_write(bp, str, strlen(str));
737 }
738 #endif
739
740 #ifndef OPENSSL_NO_TLSEXT
741
742 /* This is a context that we pass to callbacks */
743 typedef struct tlsextctx_st {
744    char * servername;
745    BIO * biodebug;
746    int extension_error;
747 } tlsextctx;
748
749
750 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
751         {
752         tlsextctx * p = (tlsextctx *) arg;
753         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
754         if (servername && p->biodebug) 
755                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
756         
757         if (!p->servername)
758                 return SSL_TLSEXT_ERR_NOACK;
759         
760         if (servername)
761                 {
762                 if (strcmp(servername,p->servername)) 
763                         return p->extension_error;
764                 if (ctx2)
765                         {
766                         BIO_printf(p->biodebug,"Switching server context.\n");
767                         SSL_set_SSL_CTX(s,ctx2);
768                         }     
769                 }
770         return SSL_TLSEXT_ERR_OK;
771 }
772
773 /* Structure passed to cert status callback */
774
775 typedef struct tlsextstatusctx_st {
776    /* Default responder to use */
777    char *host, *path, *port;
778    int use_ssl;
779    int timeout;
780    BIO *err;
781    int verbose;
782 } tlsextstatusctx;
783
784 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
785
786 /* Certificate Status callback. This is called when a client includes a
787  * certificate status request extension.
788  *
789  * This is a simplified version. It examines certificates each time and
790  * makes one OCSP responder query for each request.
791  *
792  * A full version would store details such as the OCSP certificate IDs and
793  * minimise the number of OCSP responses by caching them until they were
794  * considered "expired".
795  */
796
797 static int cert_status_cb(SSL *s, void *arg)
798         {
799         tlsextstatusctx *srctx = arg;
800         BIO *err = srctx->err;
801         char *host, *port, *path;
802         int use_ssl;
803         unsigned char *rspder = NULL;
804         int rspderlen;
805         STACK_OF(OPENSSL_STRING) *aia = NULL;
806         X509 *x = NULL;
807         X509_STORE_CTX inctx;
808         X509_OBJECT obj;
809         OCSP_REQUEST *req = NULL;
810         OCSP_RESPONSE *resp = NULL;
811         OCSP_CERTID *id = NULL;
812         STACK_OF(X509_EXTENSION) *exts;
813         int ret = SSL_TLSEXT_ERR_NOACK;
814         int i;
815 #if 0
816 STACK_OF(OCSP_RESPID) *ids;
817 SSL_get_tlsext_status_ids(s, &ids);
818 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
819 #endif
820         if (srctx->verbose)
821                 BIO_puts(err, "cert_status: callback called\n");
822         /* Build up OCSP query from server certificate */
823         x = SSL_get_certificate(s);
824         aia = X509_get1_ocsp(x);
825         if (aia)
826                 {
827                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
828                         &host, &port, &path, &use_ssl))
829                         {
830                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
831                         goto err;
832                         }
833                 if (srctx->verbose)
834                         BIO_printf(err, "cert_status: AIA URL: %s\n",
835                                         sk_OPENSSL_STRING_value(aia, 0));
836                 }
837         else
838                 {
839                 if (!srctx->host)
840                         {
841                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
842                         goto done;
843                         }
844                 host = srctx->host;
845                 path = srctx->path;
846                 port = srctx->port;
847                 use_ssl = srctx->use_ssl;
848                 }
849                 
850         if (!X509_STORE_CTX_init(&inctx,
851                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
852                                 NULL, NULL))
853                 goto err;
854         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
855                                 X509_get_issuer_name(x),&obj) <= 0)
856                 {
857                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
858                 X509_STORE_CTX_cleanup(&inctx);
859                 goto done;
860                 }
861         req = OCSP_REQUEST_new();
862         if (!req)
863                 goto err;
864         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
865         X509_free(obj.data.x509);
866         X509_STORE_CTX_cleanup(&inctx);
867         if (!id)
868                 goto err;
869         if (!OCSP_request_add0_id(req, id))
870                 goto err;
871         id = NULL;
872         /* Add any extensions to the request */
873         SSL_get_tlsext_status_exts(s, &exts);
874         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
875                 {
876                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
877                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
878                         goto err;
879                 }
880         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
881                                         srctx->timeout);
882         if (!resp)
883                 {
884                 BIO_puts(err, "cert_status: error querying responder\n");
885                 goto done;
886                 }
887         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
888         if (rspderlen <= 0)
889                 goto err;
890         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
891         if (srctx->verbose)
892                 {
893                 BIO_puts(err, "cert_status: ocsp response sent:\n");
894                 OCSP_RESPONSE_print(err, resp, 2);
895                 }
896         ret = SSL_TLSEXT_ERR_OK;
897         done:
898         if (ret != SSL_TLSEXT_ERR_OK)
899                 ERR_print_errors(err);
900         if (aia)
901                 {
902                 OPENSSL_free(host);
903                 OPENSSL_free(path);
904                 OPENSSL_free(port);
905                 X509_email_free(aia);
906                 }
907         if (id)
908                 OCSP_CERTID_free(id);
909         if (req)
910                 OCSP_REQUEST_free(req);
911         if (resp)
912                 OCSP_RESPONSE_free(resp);
913         return ret;
914         err:
915         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
916         goto done;
917         }
918
919 # ifndef OPENSSL_NO_NEXTPROTONEG
920 /* This is the context that we pass to next_proto_cb */
921 typedef struct tlsextnextprotoctx_st {
922         unsigned char *data;
923         unsigned int len;
924 } tlsextnextprotoctx;
925
926 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
927         {
928         tlsextnextprotoctx *next_proto = arg;
929
930         *data = next_proto->data;
931         *len = next_proto->len;
932
933         return SSL_TLSEXT_ERR_OK;
934         }
935 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
936
937 /* This the context that we pass to alpn_cb */
938 typedef struct tlsextalpnctx_st {
939         unsigned char *data;
940         unsigned short len;
941 } tlsextalpnctx;
942
943 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
944         {
945         tlsextalpnctx *alpn_ctx = arg;
946
947         if (!s_quiet)
948                 {
949                 /* We can assume that |in| is syntactically valid. */
950                 unsigned i;
951                 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
952                 for (i = 0; i < inlen; )
953                         {
954                         if (i)
955                                 BIO_write(bio_s_out, ", ", 2);
956                         BIO_write(bio_s_out, &in[i + 1], in[i]);
957                         i += in[i] + 1;
958                         }
959                 BIO_write(bio_s_out, "\n", 1);
960                 }
961
962         if (SSL_select_next_proto((unsigned char**) out, outlen, alpn_ctx->data, alpn_ctx->len, in, inlen) !=
963             OPENSSL_NPN_NEGOTIATED)
964                 {
965                 return SSL_TLSEXT_ERR_NOACK;
966                 }
967
968         if (!s_quiet)
969                 {
970                 BIO_printf(bio_s_out, "ALPN protocols selected: ");
971                 BIO_write(bio_s_out, *out, *outlen);
972                 BIO_write(bio_s_out, "\n", 1);
973                 }
974
975         return SSL_TLSEXT_ERR_OK;
976         }
977 #endif  /* ndef OPENSSL_NO_TLSEXT */
978
979 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
980         {
981         /* disable resumption for sessions with forward secure ciphers */
982         return is_forward_secure;
983         }
984
985 int MAIN(int, char **);
986
987 #ifndef OPENSSL_NO_JPAKE
988 static char *jpake_secret = NULL;
989 #define no_jpake !jpake_secret
990 #else
991 #define no_jpake 1
992 #endif
993 #ifndef OPENSSL_NO_SRP
994         static srpsrvparm srp_callback_parm;
995 #endif
996 static char *srtp_profiles = NULL;
997
998 int MAIN(int argc, char *argv[])
999         {
1000         X509_VERIFY_PARAM *vpm = NULL;
1001         int badarg = 0;
1002         short port=PORT;
1003         char *CApath=NULL,*CAfile=NULL;
1004         char *chCApath=NULL,*chCAfile=NULL;
1005         char *vfyCApath=NULL,*vfyCAfile=NULL;
1006         unsigned char *context = NULL;
1007         char *dhfile = NULL;
1008         int badop=0;
1009         int ret=1;
1010         int build_chain = 0;
1011         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
1012         int state=0;
1013         const SSL_METHOD *meth=NULL;
1014         int socket_type=SOCK_STREAM;
1015         ENGINE *e=NULL;
1016         char *inrand=NULL;
1017         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1018         char *passarg = NULL, *pass = NULL;
1019         char *dpassarg = NULL, *dpass = NULL;
1020         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1021         X509 *s_cert = NULL, *s_dcert = NULL;
1022         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
1023         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
1024         int no_cache = 0, ext_cache = 0;
1025         int rev = 0, naccept = -1;
1026 #ifndef OPENSSL_NO_TLSEXT
1027         EVP_PKEY *s_key2 = NULL;
1028         X509 *s_cert2 = NULL;
1029         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
1030 # ifndef OPENSSL_NO_NEXTPROTONEG
1031         const char *next_proto_neg_in = NULL;
1032         tlsextnextprotoctx next_proto;
1033         const char *alpn_in = NULL;
1034         tlsextalpnctx alpn_ctx = { NULL, 0};
1035 # endif
1036 #endif
1037 #ifndef OPENSSL_NO_PSK
1038         /* by default do not send a PSK identity hint */
1039         static char *psk_identity_hint=NULL;
1040 #endif
1041 #ifndef OPENSSL_NO_SRP
1042         char *srpuserseed = NULL;
1043         char *srp_verifier_file = NULL;
1044 #endif
1045         SSL_EXCERT *exc = NULL;
1046         SSL_CONF_CTX *cctx = NULL;
1047         STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
1048
1049         char *crl_file = NULL;
1050         int crl_format = FORMAT_PEM;
1051         int crl_download = 0;
1052         STACK_OF(X509_CRL) *crls = NULL;
1053
1054         meth=SSLv23_server_method();
1055
1056         local_argc=argc;
1057         local_argv=argv;
1058
1059         apps_startup();
1060 #ifdef MONOLITH
1061         s_server_init();
1062 #endif
1063
1064         if (bio_err == NULL)
1065                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1066
1067         if (!load_config(bio_err, NULL))
1068                 goto end;
1069
1070         cctx = SSL_CONF_CTX_new();
1071         if (!cctx)
1072                 goto end;
1073         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER);
1074         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
1075
1076         verify_depth=0;
1077 #ifdef FIONBIO
1078         s_nbio=0;
1079 #endif
1080         s_nbio_test=0;
1081
1082         argc--;
1083         argv++;
1084
1085         while (argc >= 1)
1086                 {
1087                 if      ((strcmp(*argv,"-port") == 0) ||
1088                          (strcmp(*argv,"-accept") == 0))
1089                         {
1090                         if (--argc < 1) goto bad;
1091                         if (!extract_port(*(++argv),&port))
1092                                 goto bad;
1093                         }
1094                 else if (strcmp(*argv,"-naccept") == 0)
1095                         {
1096                         if (--argc < 1) goto bad;
1097                         naccept = atol(*(++argv));
1098                         if (naccept <= 0)
1099                                 {
1100                                 BIO_printf(bio_err, "bad accept value %s\n",
1101                                                         *argv);
1102                                 goto bad;
1103                                 }
1104                         }
1105                 else if (strcmp(*argv,"-verify") == 0)
1106                         {
1107                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1108                         if (--argc < 1) goto bad;
1109                         verify_depth=atoi(*(++argv));
1110                         if (!s_quiet)
1111                                 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1112                         }
1113                 else if (strcmp(*argv,"-Verify") == 0)
1114                         {
1115                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1116                                 SSL_VERIFY_CLIENT_ONCE;
1117                         if (--argc < 1) goto bad;
1118                         verify_depth=atoi(*(++argv));
1119                         if (!s_quiet)
1120                                 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1121                         }
1122                 else if (strcmp(*argv,"-context") == 0)
1123                         {
1124                         if (--argc < 1) goto bad;
1125                         context= (unsigned char *)*(++argv);
1126                         }
1127                 else if (strcmp(*argv,"-cert") == 0)
1128                         {
1129                         if (--argc < 1) goto bad;
1130                         s_cert_file= *(++argv);
1131                         }
1132                 else if (strcmp(*argv,"-CRL") == 0)
1133                         {
1134                         if (--argc < 1) goto bad;
1135                         crl_file= *(++argv);
1136                         }
1137                 else if (strcmp(*argv,"-crl_download") == 0)
1138                         crl_download = 1;
1139 #ifndef OPENSSL_NO_TLSEXT
1140                 else if (strcmp(*argv,"-authz") == 0)
1141                         {
1142                         if (--argc < 1) goto bad;
1143                         s_authz_file = *(++argv);
1144                         }
1145                 else if (strcmp(*argv,"-serverinfo") == 0)
1146                         {
1147                         if (--argc < 1) goto bad;
1148                         s_serverinfo_file = *(++argv);
1149                         }
1150 #endif
1151                 else if (strcmp(*argv,"-certform") == 0)
1152                         {
1153                         if (--argc < 1) goto bad;
1154                         s_cert_format = str2fmt(*(++argv));
1155                         }
1156                 else if (strcmp(*argv,"-key") == 0)
1157                         {
1158                         if (--argc < 1) goto bad;
1159                         s_key_file= *(++argv);
1160                         }
1161                 else if (strcmp(*argv,"-keyform") == 0)
1162                         {
1163                         if (--argc < 1) goto bad;
1164                         s_key_format = str2fmt(*(++argv));
1165                         }
1166                 else if (strcmp(*argv,"-pass") == 0)
1167                         {
1168                         if (--argc < 1) goto bad;
1169                         passarg = *(++argv);
1170                         }
1171                 else if (strcmp(*argv,"-cert_chain") == 0)
1172                         {
1173                         if (--argc < 1) goto bad;
1174                         s_chain_file= *(++argv);
1175                         }
1176                 else if (strcmp(*argv,"-dhparam") == 0)
1177                         {
1178                         if (--argc < 1) goto bad;
1179                         dhfile = *(++argv);
1180                         }
1181                 else if (strcmp(*argv,"-dcertform") == 0)
1182                         {
1183                         if (--argc < 1) goto bad;
1184                         s_dcert_format = str2fmt(*(++argv));
1185                         }
1186                 else if (strcmp(*argv,"-dcert") == 0)
1187                         {
1188                         if (--argc < 1) goto bad;
1189                         s_dcert_file= *(++argv);
1190                         }
1191                 else if (strcmp(*argv,"-dkeyform") == 0)
1192                         {
1193                         if (--argc < 1) goto bad;
1194                         s_dkey_format = str2fmt(*(++argv));
1195                         }
1196                 else if (strcmp(*argv,"-dpass") == 0)
1197                         {
1198                         if (--argc < 1) goto bad;
1199                         dpassarg = *(++argv);
1200                         }
1201                 else if (strcmp(*argv,"-dkey") == 0)
1202                         {
1203                         if (--argc < 1) goto bad;
1204                         s_dkey_file= *(++argv);
1205                         }
1206                 else if (strcmp(*argv,"-dcert_chain") == 0)
1207                         {
1208                         if (--argc < 1) goto bad;
1209                         s_dchain_file= *(++argv);
1210                         }
1211                 else if (strcmp(*argv,"-nocert") == 0)
1212                         {
1213                         nocert=1;
1214                         }
1215                 else if (strcmp(*argv,"-CApath") == 0)
1216                         {
1217                         if (--argc < 1) goto bad;
1218                         CApath= *(++argv);
1219                         }
1220                 else if (strcmp(*argv,"-chainCApath") == 0)
1221                         {
1222                         if (--argc < 1) goto bad;
1223                         chCApath= *(++argv);
1224                         }
1225                 else if (strcmp(*argv,"-verifyCApath") == 0)
1226                         {
1227                         if (--argc < 1) goto bad;
1228                         vfyCApath= *(++argv);
1229                         }
1230                 else if (strcmp(*argv,"-no_cache") == 0)
1231                         no_cache = 1;
1232                 else if (strcmp(*argv,"-ext_cache") == 0)
1233                         ext_cache = 1;
1234                 else if (strcmp(*argv,"-CRLform") == 0)
1235                         {
1236                         if (--argc < 1) goto bad;
1237                         crl_format = str2fmt(*(++argv));
1238                         }
1239                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1240                         {
1241                         if (badarg)
1242                                 goto bad;
1243                         continue;
1244                         }
1245                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1246                         {
1247                         if (badarg)
1248                                 goto bad;
1249                         continue;
1250                         }
1251                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
1252                         {
1253                         if (badarg)
1254                                 goto bad;
1255                         continue;
1256                         }
1257                 else if (strcmp(*argv,"-verify_return_error") == 0)
1258                         verify_return_error = 1;
1259                 else if (strcmp(*argv,"-verify_quiet") == 0)
1260                         verify_quiet = 1;
1261                 else if (strcmp(*argv,"-build_chain") == 0)
1262                         build_chain = 1;
1263                 else if (strcmp(*argv,"-CAfile") == 0)
1264                         {
1265                         if (--argc < 1) goto bad;
1266                         CAfile= *(++argv);
1267                         }
1268                 else if (strcmp(*argv,"-chainCAfile") == 0)
1269                         {
1270                         if (--argc < 1) goto bad;
1271                         chCAfile= *(++argv);
1272                         }
1273                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1274                         {
1275                         if (--argc < 1) goto bad;
1276                         vfyCAfile= *(++argv);
1277                         }
1278 #ifdef FIONBIO  
1279                 else if (strcmp(*argv,"-nbio") == 0)
1280                         { s_nbio=1; }
1281 #endif
1282                 else if (strcmp(*argv,"-nbio_test") == 0)
1283                         {
1284 #ifdef FIONBIO  
1285                         s_nbio=1;
1286 #endif
1287                         s_nbio_test=1;
1288                         }
1289                 else if (strcmp(*argv,"-ign_eof") == 0)
1290                         s_ign_eof=1;
1291                 else if (strcmp(*argv,"-no_ign_eof") == 0)
1292                         s_ign_eof=0;
1293                 else if (strcmp(*argv,"-debug") == 0)
1294                         { s_debug=1; }
1295 #ifndef OPENSSL_NO_TLSEXT
1296                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1297                         s_tlsextdebug=1;
1298                 else if (strcmp(*argv,"-status") == 0)
1299                         s_tlsextstatus=1;
1300                 else if (strcmp(*argv,"-status_verbose") == 0)
1301                         {
1302                         s_tlsextstatus=1;
1303                         tlscstatp.verbose = 1;
1304                         }
1305                 else if (!strcmp(*argv, "-status_timeout"))
1306                         {
1307                         s_tlsextstatus=1;
1308                         if (--argc < 1) goto bad;
1309                         tlscstatp.timeout = atoi(*(++argv));
1310                         }
1311                 else if (!strcmp(*argv, "-status_url"))
1312                         {
1313                         s_tlsextstatus=1;
1314                         if (--argc < 1) goto bad;
1315                         if (!OCSP_parse_url(*(++argv),
1316                                         &tlscstatp.host,
1317                                         &tlscstatp.port,
1318                                         &tlscstatp.path,
1319                                         &tlscstatp.use_ssl))
1320                                 {
1321                                 BIO_printf(bio_err, "Error parsing URL\n");
1322                                 goto bad;
1323                                 }
1324                         }
1325 #endif
1326                 else if (strcmp(*argv,"-msg") == 0)
1327                         { s_msg=1; }
1328                 else if (strcmp(*argv,"-msgfile") == 0)
1329                         {
1330                         if (--argc < 1) goto bad;
1331                         bio_s_msg = BIO_new_file(*(++argv), "w");
1332                         }
1333 #ifndef OPENSSL_NO_SSL_TRACE
1334                 else if (strcmp(*argv,"-trace") == 0)
1335                         { s_msg=2; }
1336 #endif
1337                 else if (strcmp(*argv,"-hack") == 0)
1338                         { hack=1; }
1339                 else if (strcmp(*argv,"-state") == 0)
1340                         { state=1; }
1341                 else if (strcmp(*argv,"-crlf") == 0)
1342                         { s_crlf=1; }
1343                 else if (strcmp(*argv,"-quiet") == 0)
1344                         { s_quiet=1; }
1345                 else if (strcmp(*argv,"-brief") == 0)
1346                         {
1347                         s_quiet=1;
1348                         s_brief=1;
1349                         verify_quiet=1;
1350                         }
1351                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1352                         { no_tmp_rsa=1; }
1353                 else if (strcmp(*argv,"-no_dhe") == 0)
1354                         { no_dhe=1; }
1355                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1356                         { no_ecdhe=1; }
1357                 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1358                         { no_resume_ephemeral = 1; }
1359 #ifndef OPENSSL_NO_PSK
1360                 else if (strcmp(*argv,"-psk_hint") == 0)
1361                         {
1362                         if (--argc < 1) goto bad;
1363                         psk_identity_hint= *(++argv);
1364                         }
1365                 else if (strcmp(*argv,"-psk") == 0)
1366                         {
1367                         size_t i;
1368
1369                         if (--argc < 1) goto bad;
1370                         psk_key=*(++argv);
1371                         for (i=0; i<strlen(psk_key); i++)
1372                                 {
1373                                 if (isxdigit((unsigned char)psk_key[i]))
1374                                         continue;
1375                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1376                                 goto bad;
1377                                 }
1378                         }
1379 #endif
1380 #ifndef OPENSSL_NO_SRP
1381                 else if (strcmp(*argv, "-srpvfile") == 0)
1382                         {
1383                         if (--argc < 1) goto bad;
1384                         srp_verifier_file = *(++argv);
1385                         meth = TLSv1_server_method();
1386                         }
1387                 else if (strcmp(*argv, "-srpuserseed") == 0)
1388                         {
1389                         if (--argc < 1) goto bad;
1390                         srpuserseed = *(++argv);
1391                         meth = TLSv1_server_method();
1392                         }
1393 #endif
1394                 else if (strcmp(*argv,"-rev") == 0)
1395                         { rev=1; }
1396                 else if (strcmp(*argv,"-www") == 0)
1397                         { www=1; }
1398                 else if (strcmp(*argv,"-WWW") == 0)
1399                         { www=2; }
1400                 else if (strcmp(*argv,"-HTTP") == 0)
1401                         { www=3; }
1402 #ifndef OPENSSL_NO_SSL2
1403                 else if (strcmp(*argv,"-ssl2") == 0)
1404                         { meth=SSLv2_server_method(); }
1405 #endif
1406 #ifndef OPENSSL_NO_SSL3
1407                 else if (strcmp(*argv,"-ssl3") == 0)
1408                         { meth=SSLv3_server_method(); }
1409 #endif
1410 #ifndef OPENSSL_NO_TLS1
1411                 else if (strcmp(*argv,"-tls1") == 0)
1412                         { meth=TLSv1_server_method(); }
1413                 else if (strcmp(*argv,"-tls1_1") == 0)
1414                         { meth=TLSv1_1_server_method(); }
1415                 else if (strcmp(*argv,"-tls1_2") == 0)
1416                         { meth=TLSv1_2_server_method(); }
1417 #endif
1418 #ifndef OPENSSL_NO_DTLS1
1419                 else if (strcmp(*argv,"-dtls") == 0)
1420                         { 
1421                         meth=DTLS_server_method();
1422                         socket_type = SOCK_DGRAM;
1423                         }
1424                 else if (strcmp(*argv,"-dtls1") == 0)
1425                         { 
1426                         meth=DTLSv1_server_method();
1427                         socket_type = SOCK_DGRAM;
1428                         }
1429                 else if (strcmp(*argv,"-dtls1_2") == 0)
1430                         { 
1431                         meth=DTLSv1_2_server_method();
1432                         socket_type = SOCK_DGRAM;
1433                         }
1434                 else if (strcmp(*argv,"-timeout") == 0)
1435                         enable_timeouts = 1;
1436                 else if (strcmp(*argv,"-mtu") == 0)
1437                         {
1438                         if (--argc < 1) goto bad;
1439                         socket_mtu = atol(*(++argv));
1440                         }
1441                 else if (strcmp(*argv, "-chain") == 0)
1442                         cert_chain = 1;
1443 #endif
1444                 else if (strcmp(*argv, "-id_prefix") == 0)
1445                         {
1446                         if (--argc < 1) goto bad;
1447                         session_id_prefix = *(++argv);
1448                         }
1449 #ifndef OPENSSL_NO_ENGINE
1450                 else if (strcmp(*argv,"-engine") == 0)
1451                         {
1452                         if (--argc < 1) goto bad;
1453                         engine_id= *(++argv);
1454                         }
1455 #endif
1456                 else if (strcmp(*argv,"-rand") == 0)
1457                         {
1458                         if (--argc < 1) goto bad;
1459                         inrand= *(++argv);
1460                         }
1461 #ifndef OPENSSL_NO_TLSEXT
1462                 else if (strcmp(*argv,"-servername") == 0)
1463                         {
1464                         if (--argc < 1) goto bad;
1465                         tlsextcbp.servername= *(++argv);
1466                         }
1467                 else if (strcmp(*argv,"-servername_fatal") == 0)
1468                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1469                 else if (strcmp(*argv,"-cert2") == 0)
1470                         {
1471                         if (--argc < 1) goto bad;
1472                         s_cert_file2= *(++argv);
1473                         }
1474                 else if (strcmp(*argv,"-key2") == 0)
1475                         {
1476                         if (--argc < 1) goto bad;
1477                         s_key_file2= *(++argv);
1478                         }
1479 # ifndef OPENSSL_NO_NEXTPROTONEG
1480                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1481                         {
1482                         if (--argc < 1) goto bad;
1483                         next_proto_neg_in = *(++argv);
1484                         }
1485                 else if (strcmp(*argv,"-alpn") == 0)
1486                         {
1487                         if (--argc < 1) goto bad;
1488                         alpn_in = *(++argv);
1489                         }
1490 # endif
1491 #endif
1492 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1493                 else if (strcmp(*argv,"-jpake") == 0)
1494                         {
1495                         if (--argc < 1) goto bad;
1496                         jpake_secret = *(++argv);
1497                         }
1498 #endif
1499                 else if (strcmp(*argv,"-use_srtp") == 0)
1500                         {
1501                         if (--argc < 1) goto bad;
1502                         srtp_profiles = *(++argv);
1503                         }
1504                 else if (strcmp(*argv,"-keymatexport") == 0)
1505                         {
1506                         if (--argc < 1) goto bad;
1507                         keymatexportlabel= *(++argv);
1508                         }
1509                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1510                         {
1511                         if (--argc < 1) goto bad;
1512                         keymatexportlen=atoi(*(++argv));
1513                         if (keymatexportlen == 0) goto bad;
1514                         }
1515                 else
1516                         {
1517                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1518                         badop=1;
1519                         break;
1520                         }
1521                 argc--;
1522                 argv++;
1523                 }
1524         if (badop)
1525                 {
1526 bad:
1527                 sv_usage();
1528                 goto end;
1529                 }
1530
1531 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1532         if (jpake_secret)
1533                 {
1534                 if (psk_key)
1535                         {
1536                         BIO_printf(bio_err,
1537                                    "Can't use JPAKE and PSK together\n");
1538                         goto end;
1539                         }
1540                 psk_identity = "JPAKE";
1541                 }
1542 #endif
1543
1544         SSL_load_error_strings();
1545         OpenSSL_add_ssl_algorithms();
1546
1547 #ifndef OPENSSL_NO_ENGINE
1548         e = setup_engine(bio_err, engine_id, 1);
1549 #endif
1550
1551         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1552                 {
1553                 BIO_printf(bio_err, "Error getting password\n");
1554                 goto end;
1555                 }
1556
1557
1558         if (s_key_file == NULL)
1559                 s_key_file = s_cert_file;
1560 #ifndef OPENSSL_NO_TLSEXT
1561         if (s_key_file2 == NULL)
1562                 s_key_file2 = s_cert_file2;
1563 #endif
1564
1565         if (!load_excert(&exc, bio_err))
1566                 goto end;
1567
1568         if (nocert == 0)
1569                 {
1570                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1571                        "server certificate private key file");
1572                 if (!s_key)
1573                         {
1574                         ERR_print_errors(bio_err);
1575                         goto end;
1576                         }
1577
1578                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1579                         NULL, e, "server certificate file");
1580
1581                 if (!s_cert)
1582                         {
1583                         ERR_print_errors(bio_err);
1584                         goto end;
1585                         }
1586                 if (s_chain_file)
1587                         {
1588                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1589                                         NULL, e, "server certificate chain");
1590                         if (!s_chain)
1591                                 goto end;
1592                         }
1593
1594 #ifndef OPENSSL_NO_TLSEXT
1595                 if (tlsextcbp.servername) 
1596                         {
1597                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1598                                 "second server certificate private key file");
1599                         if (!s_key2)
1600                                 {
1601                                 ERR_print_errors(bio_err);
1602                                 goto end;
1603                                 }
1604                         
1605                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1606                                 NULL, e, "second server certificate file");
1607                         
1608                         if (!s_cert2)
1609                                 {
1610                                 ERR_print_errors(bio_err);
1611                                 goto end;
1612                                 }
1613                         }
1614 #endif /* OPENSSL_NO_TLSEXT */
1615                 }
1616
1617 #if !defined(OPENSSL_NO_TLSEXT)
1618 # if !defined(OPENSSL_NO_NEXTPROTONEG) 
1619         if (next_proto_neg_in)
1620                 {
1621                 unsigned short len;
1622                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1623                 if (next_proto.data == NULL)
1624                         goto end;
1625                 next_proto.len = len;
1626                 }
1627         else
1628                 {
1629                 next_proto.data = NULL;
1630                 }
1631 # endif
1632         alpn_ctx.data = NULL;
1633         if (alpn_in)
1634                 {
1635                 unsigned short len;
1636                 alpn_ctx.data = next_protos_parse(&len, alpn_in);
1637                 if (alpn_ctx.data == NULL)
1638                         goto end;
1639                 alpn_ctx.len = len;
1640                 }
1641 #endif
1642
1643         if (crl_file)
1644                 {
1645                 X509_CRL *crl;
1646                 crl = load_crl(crl_file, crl_format);
1647                 if (!crl)
1648                         {
1649                         BIO_puts(bio_err, "Error loading CRL\n");
1650                         ERR_print_errors(bio_err);
1651                         goto end;
1652                         }
1653                 crls = sk_X509_CRL_new_null();
1654                 if (!crls || !sk_X509_CRL_push(crls, crl))
1655                         {
1656                         BIO_puts(bio_err, "Error adding CRL\n");
1657                         ERR_print_errors(bio_err);
1658                         X509_CRL_free(crl);
1659                         goto end;
1660                         }
1661                 }
1662
1663
1664         if (s_dcert_file)
1665                 {
1666
1667                 if (s_dkey_file == NULL)
1668                         s_dkey_file = s_dcert_file;
1669
1670                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1671                                 0, dpass, e,
1672                                "second certificate private key file");
1673                 if (!s_dkey)
1674                         {
1675                         ERR_print_errors(bio_err);
1676                         goto end;
1677                         }
1678
1679                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1680                                 NULL, e, "second server certificate file");
1681
1682                 if (!s_dcert)
1683                         {
1684                         ERR_print_errors(bio_err);
1685                         goto end;
1686                         }
1687                 if (s_dchain_file)
1688                         {
1689                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1690                                 NULL, e, "second server certificate chain");
1691                         if (!s_dchain)
1692                                 goto end;
1693                         }
1694
1695                 }
1696
1697         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1698                 && !RAND_status())
1699                 {
1700                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1701                 }
1702         if (inrand != NULL)
1703                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1704                         app_RAND_load_files(inrand));
1705
1706         if (bio_s_out == NULL)
1707                 {
1708                 if (s_quiet && !s_debug)
1709                         {
1710                         bio_s_out=BIO_new(BIO_s_null());
1711                         if (s_msg && !bio_s_msg)
1712                                 bio_s_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1713                         }
1714                 else
1715                         {
1716                         if (bio_s_out == NULL)
1717                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1718                         }
1719                 }
1720
1721 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1722         if (nocert)
1723 #endif
1724                 {
1725                 s_cert_file=NULL;
1726                 s_key_file=NULL;
1727                 s_dcert_file=NULL;
1728                 s_dkey_file=NULL;
1729 #ifndef OPENSSL_NO_TLSEXT
1730                 s_cert_file2=NULL;
1731                 s_key_file2=NULL;
1732 #endif
1733                 }
1734
1735         ctx=SSL_CTX_new(meth);
1736         if (ctx == NULL)
1737                 {
1738                 ERR_print_errors(bio_err);
1739                 goto end;
1740                 }
1741         if (session_id_prefix)
1742                 {
1743                 if(strlen(session_id_prefix) >= 32)
1744                         BIO_printf(bio_err,
1745 "warning: id_prefix is too long, only one new session will be possible\n");
1746                 else if(strlen(session_id_prefix) >= 16)
1747                         BIO_printf(bio_err,
1748 "warning: id_prefix is too long if you use SSLv2\n");
1749                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1750                         {
1751                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1752                         ERR_print_errors(bio_err);
1753                         goto end;
1754                         }
1755                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1756                 }
1757         SSL_CTX_set_quiet_shutdown(ctx,1);
1758         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1759         if (exc) ssl_ctx_set_excert(ctx, exc);
1760         /* DTLS: partial reads end up discarding unread UDP bytes :-( 
1761          * Setting read ahead solves this problem.
1762          */
1763         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1764
1765         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1766         if (no_cache)
1767                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1768         else if (ext_cache)
1769                 init_session_cache_ctx(ctx);
1770         else
1771                 SSL_CTX_sess_set_cache_size(ctx,128);
1772
1773         if (srtp_profiles != NULL)
1774                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1775
1776 #if 0
1777         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1778 #endif
1779
1780 #if 0
1781         if (s_cert_file == NULL)
1782                 {
1783                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1784                 goto end;
1785                 }
1786 #endif
1787
1788         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1789                 (!SSL_CTX_set_default_verify_paths(ctx)))
1790                 {
1791                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1792                 ERR_print_errors(bio_err);
1793                 /* goto end; */
1794                 }
1795         if (vpm)
1796                 SSL_CTX_set1_param(ctx, vpm);
1797
1798         ssl_ctx_add_crls(ctx, crls, 0);
1799         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1800                 goto end;
1801
1802         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1803                                                 crls, crl_download))
1804                 {
1805                 BIO_printf(bio_err, "Error loading store locations\n");
1806                 ERR_print_errors(bio_err);
1807                 goto end;
1808                 }
1809
1810 #ifndef OPENSSL_NO_TLSEXT
1811         if (s_cert2)
1812                 {
1813                 ctx2=SSL_CTX_new(meth);
1814                 if (ctx2 == NULL)
1815                         {
1816                         ERR_print_errors(bio_err);
1817                         goto end;
1818                         }
1819                 }
1820         
1821         if (ctx2)
1822                 {
1823                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1824
1825                 if (session_id_prefix)
1826                         {
1827                         if(strlen(session_id_prefix) >= 32)
1828                                 BIO_printf(bio_err,
1829                                         "warning: id_prefix is too long, only one new session will be possible\n");
1830                         else if(strlen(session_id_prefix) >= 16)
1831                                 BIO_printf(bio_err,
1832                                         "warning: id_prefix is too long if you use SSLv2\n");
1833                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1834                                 {
1835                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1836                                 ERR_print_errors(bio_err);
1837                                 goto end;
1838                                 }
1839                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1840                         }
1841                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1842                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1843                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1844                 /* DTLS: partial reads end up discarding unread UDP bytes :-( 
1845                  * Setting read ahead solves this problem.
1846                  */
1847                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1848
1849                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1850
1851                 if (no_cache)
1852                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1853                 else if (ext_cache)
1854                         init_session_cache_ctx(ctx2);
1855                 else
1856                         SSL_CTX_sess_set_cache_size(ctx2,128);
1857
1858                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1859                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1860                         {
1861                         ERR_print_errors(bio_err);
1862                         }
1863                 if (vpm)
1864                         SSL_CTX_set1_param(ctx2, vpm);
1865
1866                 ssl_ctx_add_crls(ctx2, crls, 0);
1867                 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1868                         goto end;
1869                 }
1870
1871 # ifndef OPENSSL_NO_NEXTPROTONEG
1872         if (next_proto.data)
1873                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1874 # endif
1875         if (alpn_ctx.data)
1876                 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1877 #endif 
1878
1879 #ifndef OPENSSL_NO_DH
1880         if (!no_dhe)
1881                 {
1882                 DH *dh=NULL;
1883
1884                 if (dhfile)
1885                         dh = load_dh_param(dhfile);
1886                 else if (s_cert_file)
1887                         dh = load_dh_param(s_cert_file);
1888
1889                 if (dh != NULL)
1890                         {
1891                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1892                         }
1893                 else
1894                         {
1895                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1896                         dh=get_dh512();
1897                         }
1898                 (void)BIO_flush(bio_s_out);
1899
1900                 SSL_CTX_set_tmp_dh(ctx,dh);
1901 #ifndef OPENSSL_NO_TLSEXT
1902                 if (ctx2)
1903                         {
1904                         if (!dhfile)
1905                                 { 
1906                                 DH *dh2=load_dh_param(s_cert_file2);
1907                                 if (dh2 != NULL)
1908                                         {
1909                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1910                                         (void)BIO_flush(bio_s_out);
1911
1912                                         DH_free(dh);
1913                                         dh = dh2;
1914                                         }
1915                                 }
1916                         SSL_CTX_set_tmp_dh(ctx2,dh);
1917                         }
1918 #endif
1919                 DH_free(dh);
1920                 }
1921 #endif
1922
1923         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1924                 goto end;
1925 #ifndef OPENSSL_NO_TLSEXT
1926         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1927                 goto end;
1928         if (s_serverinfo_file != NULL
1929             && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file))
1930                 goto end;
1931 #endif
1932 #ifndef OPENSSL_NO_TLSEXT
1933         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1934                 goto end; 
1935 #endif
1936         if (s_dcert != NULL)
1937                 {
1938                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1939                         goto end;
1940                 }
1941
1942 #ifndef OPENSSL_NO_RSA
1943 #if 1
1944         if (!no_tmp_rsa)
1945                 {
1946                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1947 #ifndef OPENSSL_NO_TLSEXT
1948                 if (ctx2) 
1949                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1950 #endif          
1951                 }
1952 #else
1953         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1954                 {
1955                 RSA *rsa;
1956
1957                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1958                 BIO_flush(bio_s_out);
1959
1960                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1961
1962                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1963                         {
1964                         ERR_print_errors(bio_err);
1965                         goto end;
1966                         }
1967 #ifndef OPENSSL_NO_TLSEXT
1968                         if (ctx2)
1969                                 {
1970                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1971                                         {
1972                                         ERR_print_errors(bio_err);
1973                                         goto end;
1974                                         }
1975                                 }
1976 #endif
1977                 RSA_free(rsa);
1978                 BIO_printf(bio_s_out,"\n");
1979                 }
1980 #endif
1981 #endif
1982
1983         if (no_resume_ephemeral)
1984                 {
1985                 SSL_CTX_set_not_resumable_session_callback(ctx, not_resumable_sess_cb);
1986 #ifndef OPENSSL_NO_TLSEXT
1987                 if (ctx2)
1988                         SSL_CTX_set_not_resumable_session_callback(ctx2, not_resumable_sess_cb);
1989 #endif
1990                 }
1991
1992 #ifndef OPENSSL_NO_PSK
1993 #ifdef OPENSSL_NO_JPAKE
1994         if (psk_key != NULL)
1995 #else
1996         if (psk_key != NULL || jpake_secret)
1997 #endif
1998                 {
1999                 if (s_debug)
2000                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
2001                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2002                 }
2003
2004         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
2005                 {
2006                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
2007                 ERR_print_errors(bio_err);
2008                 goto end;
2009                 }
2010 #endif
2011
2012         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
2013         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
2014                 sizeof s_server_session_id_context);
2015
2016         /* Set DTLS cookie generation and verification callbacks */
2017         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2018         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2019
2020 #ifndef OPENSSL_NO_TLSEXT
2021         if (ctx2)
2022                 {
2023                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
2024                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
2025                         sizeof s_server_session_id_context);
2026
2027                 tlsextcbp.biodebug = bio_s_out;
2028                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2029                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2030                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2031                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2032                 }
2033 #endif
2034
2035 #ifndef OPENSSL_NO_SRP
2036         if (srp_verifier_file != NULL)
2037                 {
2038                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2039                 srp_callback_parm.user = NULL;
2040                 srp_callback_parm.login = NULL;
2041                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
2042                         {
2043                         BIO_printf(bio_err,
2044                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2045                                    srp_verifier_file, ret);
2046                                 goto end;
2047                         }
2048                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
2049                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);                        
2050                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2051                 }
2052         else
2053 #endif
2054         if (CAfile != NULL)
2055                 {
2056                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
2057 #ifndef OPENSSL_NO_TLSEXT
2058                 if (ctx2) 
2059                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
2060 #endif
2061                 }
2062
2063         BIO_printf(bio_s_out,"ACCEPT\n");
2064         (void)BIO_flush(bio_s_out);
2065         if (rev)
2066                 do_server(port,socket_type,&accept_socket,rev_body, context, naccept);
2067         else if (www)
2068                 do_server(port,socket_type,&accept_socket,www_body, context, naccept);
2069         else
2070                 do_server(port,socket_type,&accept_socket,sv_body, context, naccept);
2071         print_stats(bio_s_out,ctx);
2072         ret=0;
2073 end:
2074         if (ctx != NULL) SSL_CTX_free(ctx);
2075         if (s_cert)
2076                 X509_free(s_cert);
2077         if (crls)
2078                 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2079         if (s_dcert)
2080                 X509_free(s_dcert);
2081         if (s_key)
2082                 EVP_PKEY_free(s_key);
2083         if (s_dkey)
2084                 EVP_PKEY_free(s_dkey);
2085         if (s_chain)
2086                 sk_X509_pop_free(s_chain, X509_free);
2087         if (s_dchain)
2088                 sk_X509_pop_free(s_dchain, X509_free);
2089         if (pass)
2090                 OPENSSL_free(pass);
2091         if (dpass)
2092                 OPENSSL_free(dpass);
2093         if (vpm)
2094                 X509_VERIFY_PARAM_free(vpm);
2095         free_sessions();
2096 #ifndef OPENSSL_NO_TLSEXT
2097         if (tlscstatp.host)
2098                 OPENSSL_free(tlscstatp.host);
2099         if (tlscstatp.port)
2100                 OPENSSL_free(tlscstatp.port);
2101         if (tlscstatp.path)
2102                 OPENSSL_free(tlscstatp.path);
2103         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2104         if (s_cert2)
2105                 X509_free(s_cert2);
2106         if (s_key2)
2107                 EVP_PKEY_free(s_key2);
2108         if (authz_in != NULL)
2109                 BIO_free(authz_in);
2110         if (serverinfo_in != NULL)
2111                 BIO_free(serverinfo_in);
2112         if (next_proto.data)
2113                 OPENSSL_free(next_proto.data);
2114         if (alpn_ctx.data)
2115                 OPENSSL_free(alpn_ctx.data);
2116 #endif
2117         ssl_excert_free(exc);
2118         if (ssl_args)
2119                 sk_OPENSSL_STRING_free(ssl_args);
2120         if (cctx)
2121                 SSL_CONF_CTX_free(cctx);
2122 #ifndef OPENSSL_NO_JPAKE
2123         if (jpake_secret && psk_key)
2124                 OPENSSL_free(psk_key);
2125 #endif
2126         if (bio_s_out != NULL)
2127                 {
2128                 BIO_free(bio_s_out);
2129                 bio_s_out=NULL;
2130                 }
2131         if (bio_s_msg != NULL)
2132                 {
2133                 BIO_free(bio_s_msg);
2134                 bio_s_msg = NULL;
2135                 }
2136         apps_shutdown();
2137         OPENSSL_EXIT(ret);
2138         }
2139
2140 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2141         {
2142         BIO_printf(bio,"%4ld items in the session cache\n",
2143                 SSL_CTX_sess_number(ssl_ctx));
2144         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2145                 SSL_CTX_sess_connect(ssl_ctx));
2146         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2147                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2148         BIO_printf(bio,"%4ld client connects that finished\n",
2149                 SSL_CTX_sess_connect_good(ssl_ctx));
2150         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2151                 SSL_CTX_sess_accept(ssl_ctx));
2152         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2153                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2154         BIO_printf(bio,"%4ld server accepts that finished\n",
2155                 SSL_CTX_sess_accept_good(ssl_ctx));
2156         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2157         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2158         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2159         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2160         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2161                 SSL_CTX_sess_cache_full(ssl_ctx),
2162                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2163         }
2164
2165 static int sv_body(char *hostname, int s, int stype, unsigned char *context)
2166         {
2167         char *buf=NULL;
2168         fd_set readfds;
2169         int ret=1,width;
2170         int k,i;
2171         unsigned long l;
2172         SSL *con=NULL;
2173         BIO *sbio;
2174 #ifndef OPENSSL_NO_KRB5
2175         KSSL_CTX *kctx;
2176 #endif
2177         struct timeval timeout;
2178 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2179         struct timeval tv;
2180 #else
2181         struct timeval *timeoutp;
2182 #endif
2183
2184         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2185                 {
2186                 BIO_printf(bio_err,"out of memory\n");
2187                 goto err;
2188                 }
2189 #ifdef FIONBIO  
2190         if (s_nbio)
2191                 {
2192                 unsigned long sl=1;
2193
2194                 if (!s_quiet)
2195                         BIO_printf(bio_err,"turning on non blocking io\n");
2196                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2197                         ERR_print_errors(bio_err);
2198                 }
2199 #endif
2200
2201         if (con == NULL) {
2202                 con=SSL_new(ctx);
2203 #ifndef OPENSSL_NO_TLSEXT
2204         if (s_tlsextdebug)
2205                 {
2206                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2207                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2208                 }
2209         if (s_tlsextstatus)
2210                 {
2211                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2212                 tlscstatp.err = bio_err;
2213                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2214                 }
2215 #endif
2216 #ifndef OPENSSL_NO_KRB5
2217                 if ((kctx = kssl_ctx_new()) != NULL)
2218                         {
2219                         SSL_set0_kssl_ctx(con, kctx);
2220                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2221                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2222                         }
2223 #endif  /* OPENSSL_NO_KRB5 */
2224                 if(context)
2225                       SSL_set_session_id_context(con, context,
2226                                                  strlen((char *)context));
2227         }
2228         SSL_clear(con);
2229 #if 0
2230 #ifdef TLSEXT_TYPE_opaque_prf_input
2231         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2232 #endif
2233 #endif
2234
2235         if (stype == SOCK_DGRAM)
2236                 {
2237
2238                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2239
2240                 if (enable_timeouts)
2241                         {
2242                         timeout.tv_sec = 0;
2243                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2244                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2245                         
2246                         timeout.tv_sec = 0;
2247                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2248                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2249                         }
2250
2251                 if (socket_mtu > 28)
2252                         {
2253                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2254                         SSL_set_mtu(con, socket_mtu - 28);
2255                         }
2256                 else
2257                         /* want to do MTU discovery */
2258                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2259
2260         /* turn on cookie exchange */
2261         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2262                 }
2263         else
2264                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2265
2266         if (s_nbio_test)
2267                 {
2268                 BIO *test;
2269
2270                 test=BIO_new(BIO_f_nbio_test());
2271                 sbio=BIO_push(test,sbio);
2272                 }
2273 #ifndef OPENSSL_NO_JPAKE
2274         if(jpake_secret)
2275                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2276 #endif
2277
2278         SSL_set_bio(con,sbio,sbio);
2279         SSL_set_accept_state(con);
2280         /* SSL_set_fd(con,s); */
2281
2282         if (s_debug)
2283                 {
2284                 SSL_set_debug(con, 1);
2285                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2286                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2287                 }
2288         if (s_msg)
2289                 {
2290 #ifndef OPENSSL_NO_SSL_TRACE
2291                 if (s_msg == 2)
2292                         SSL_set_msg_callback(con, SSL_trace);
2293                 else
2294 #endif
2295                         SSL_set_msg_callback(con, msg_cb);
2296                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2297                 }
2298 #ifndef OPENSSL_NO_TLSEXT
2299         if (s_tlsextdebug)
2300                 {
2301                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2302                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2303                 }
2304 #endif
2305
2306         width=s+1;
2307         for (;;)
2308                 {
2309                 int read_from_terminal;
2310                 int read_from_sslcon;
2311
2312                 read_from_terminal = 0;
2313                 read_from_sslcon = SSL_pending(con);
2314
2315                 if (!read_from_sslcon)
2316                         {
2317                         FD_ZERO(&readfds);
2318 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2319                         openssl_fdset(fileno(stdin),&readfds);
2320 #endif
2321                         openssl_fdset(s,&readfds);
2322                         /* Note: under VMS with SOCKETSHR the second parameter is
2323                          * currently of type (int *) whereas under other systems
2324                          * it is (void *) if you don't have a cast it will choke
2325                          * the compiler: if you do have a cast then you can either
2326                          * go for (int *) or (void *).
2327                          */
2328 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2329                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2330                          * on sockets. As a workaround we timeout the select every
2331                          * second and check for any keypress. In a proper Windows
2332                          * application we wouldn't do this because it is inefficient.
2333                          */
2334                         tv.tv_sec = 1;
2335                         tv.tv_usec = 0;
2336                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2337                         if((i < 0) || (!i && !_kbhit() ) )continue;
2338                         if(_kbhit())
2339                                 read_from_terminal = 1;
2340 #elif defined(OPENSSL_SYS_BEOS_R5)
2341                         /* Under BeOS-R5 the situation is similar to DOS */
2342                         tv.tv_sec = 1;
2343                         tv.tv_usec = 0;
2344                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2345                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2346                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2347                                 continue;
2348                         if (read(fileno(stdin), buf, 0) >= 0)
2349                                 read_from_terminal = 1;
2350                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2351 #else
2352                         if ((SSL_version(con) == DTLS1_VERSION) &&
2353                                 DTLSv1_get_timeout(con, &timeout))
2354                                 timeoutp = &timeout;
2355                         else
2356                                 timeoutp = NULL;
2357
2358                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2359
2360                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2361                                 {
2362                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2363                                 }
2364
2365                         if (i <= 0) continue;
2366                         if (FD_ISSET(fileno(stdin),&readfds))
2367                                 read_from_terminal = 1;
2368 #endif
2369                         if (FD_ISSET(s,&readfds))
2370                                 read_from_sslcon = 1;
2371                         }
2372                 if (read_from_terminal)
2373                         {
2374                         if (s_crlf)
2375                                 {
2376                                 int j, lf_num;
2377
2378                                 i=raw_read_stdin(buf, bufsize/2);
2379                                 lf_num = 0;
2380                                 /* both loops are skipped when i <= 0 */
2381                                 for (j = 0; j < i; j++)
2382                                         if (buf[j] == '\n')
2383                                                 lf_num++;
2384                                 for (j = i-1; j >= 0; j--)
2385                                         {
2386                                         buf[j+lf_num] = buf[j];
2387                                         if (buf[j] == '\n')
2388                                                 {
2389                                                 lf_num--;
2390                                                 i++;
2391                                                 buf[j+lf_num] = '\r';
2392                                                 }
2393                                         }
2394                                 assert(lf_num == 0);
2395                                 }
2396                         else
2397                                 i=raw_read_stdin(buf,bufsize);
2398                         if (!s_quiet && !s_brief)
2399                                 {
2400                                 if ((i <= 0) || (buf[0] == 'Q'))
2401                                         {
2402                                         BIO_printf(bio_s_out,"DONE\n");
2403                                         SHUTDOWN(s);
2404                                         close_accept_socket();
2405                                         ret= -11;
2406                                         goto err;
2407                                         }
2408                                 if ((i <= 0) || (buf[0] == 'q'))
2409                                         {
2410                                         BIO_printf(bio_s_out,"DONE\n");
2411                                         if (SSL_version(con) != DTLS1_VERSION)
2412                         SHUTDOWN(s);
2413         /*                              close_accept_socket();
2414                                         ret= -11;*/
2415                                         goto err;
2416                                         }
2417
2418 #ifndef OPENSSL_NO_HEARTBEATS
2419                                 if ((buf[0] == 'B') &&
2420                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2421                                         {
2422                                         BIO_printf(bio_err,"HEARTBEATING\n");
2423                                         SSL_heartbeat(con);
2424                                         i=0;
2425                                         continue;
2426                                         }
2427 #endif
2428                                 if ((buf[0] == 'r') && 
2429                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2430                                         {
2431                                         SSL_renegotiate(con);
2432                                         i=SSL_do_handshake(con);
2433                                         printf("SSL_do_handshake -> %d\n",i);
2434                                         i=0; /*13; */
2435                                         continue;
2436                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2437                                         }
2438                                 if ((buf[0] == 'R') &&
2439                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2440                                         {
2441                                         SSL_set_verify(con,
2442                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2443                                         SSL_renegotiate(con);
2444                                         i=SSL_do_handshake(con);
2445                                         printf("SSL_do_handshake -> %d\n",i);
2446                                         i=0; /* 13; */
2447                                         continue;
2448                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2449                                         }
2450                                 if (buf[0] == 'P')
2451                                         {
2452                                         static const char *str="Lets print some clear text\n";
2453                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2454                                         }
2455                                 if (buf[0] == 'S')
2456                                         {
2457                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2458                                         }
2459                                 }
2460 #ifdef CHARSET_EBCDIC
2461                         ebcdic2ascii(buf,buf,i);
2462 #endif
2463                         l=k=0;
2464                         for (;;)
2465                                 {
2466                                 /* should do a select for the write */
2467 #ifdef RENEG
2468 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2469 #endif
2470                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2471 #ifndef OPENSSL_NO_SRP
2472                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2473                                         {
2474                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2475                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2476                                         if (srp_callback_parm.user) 
2477                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2478                                         else 
2479                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2480                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2481                                         }
2482 #endif
2483                                 switch (SSL_get_error(con,k))
2484                                         {
2485                                 case SSL_ERROR_NONE:
2486                                         break;
2487                                 case SSL_ERROR_WANT_WRITE:
2488                                 case SSL_ERROR_WANT_READ:
2489                                 case SSL_ERROR_WANT_X509_LOOKUP:
2490                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2491                                         break;
2492                                 case SSL_ERROR_SYSCALL:
2493                                 case SSL_ERROR_SSL:
2494                                         BIO_printf(bio_s_out,"ERROR\n");
2495                                         ERR_print_errors(bio_err);
2496                                         ret=1;
2497                                         goto err;
2498                                         /* break; */
2499                                 case SSL_ERROR_ZERO_RETURN:
2500                                         BIO_printf(bio_s_out,"DONE\n");
2501                                         ret=1;
2502                                         goto err;
2503                                         }
2504                                 l+=k;
2505                                 i-=k;
2506                                 if (i <= 0) break;
2507                                 }
2508                         }
2509                 if (read_from_sslcon)
2510                         {
2511                         if (!SSL_is_init_finished(con))
2512                                 {
2513                                 i=init_ssl_connection(con);
2514                                 
2515                                 if (i < 0)
2516                                         {
2517                                         ret=0;
2518                                         goto err;
2519                                         }
2520                                 else if (i == 0)
2521                                         {
2522                                         ret=1;
2523                                         goto err;
2524                                         }
2525                                 }
2526                         else
2527                                 {
2528 again:  
2529                                 i=SSL_read(con,(char *)buf,bufsize);
2530 #ifndef OPENSSL_NO_SRP
2531                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2532                                         {
2533                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2534                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2535                                         if (srp_callback_parm.user) 
2536                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2537                                         else 
2538                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2539                                         i=SSL_read(con,(char *)buf,bufsize);
2540                                         }
2541 #endif
2542                                 switch (SSL_get_error(con,i))
2543                                         {
2544                                 case SSL_ERROR_NONE:
2545 #ifdef CHARSET_EBCDIC
2546                                         ascii2ebcdic(buf,buf,i);
2547 #endif
2548                                         raw_write_stdout(buf,
2549                                                 (unsigned int)i);
2550                                         if (SSL_pending(con)) goto again;
2551                                         break;
2552                                 case SSL_ERROR_WANT_WRITE:
2553                                 case SSL_ERROR_WANT_READ:
2554                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2555                                         break;
2556                                 case SSL_ERROR_SYSCALL:
2557                                 case SSL_ERROR_SSL:
2558                                         BIO_printf(bio_s_out,"ERROR\n");
2559                                         ERR_print_errors(bio_err);
2560                                         ret=1;
2561                                         goto err;
2562                                 case SSL_ERROR_ZERO_RETURN:
2563                                         BIO_printf(bio_s_out,"DONE\n");
2564                                         ret=1;
2565                                         goto err;
2566                                         }
2567                                 }
2568                         }
2569                 }
2570 err:
2571         if (con != NULL)
2572                 {
2573                 BIO_printf(bio_s_out,"shutting down SSL\n");
2574 #if 1
2575                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2576 #else
2577                 SSL_shutdown(con);
2578 #endif
2579                 SSL_free(con);
2580                 }
2581         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2582         if (buf != NULL)
2583                 {
2584                 OPENSSL_cleanse(buf,bufsize);
2585                 OPENSSL_free(buf);
2586                 }
2587         if (ret >= 0)
2588                 BIO_printf(bio_s_out,"ACCEPT\n");
2589         return(ret);
2590         }
2591
2592 static void close_accept_socket(void)
2593         {
2594         BIO_printf(bio_err,"shutdown accept socket\n");
2595         if (accept_socket >= 0)
2596                 {
2597                 SHUTDOWN2(accept_socket);
2598                 }
2599         }
2600
2601 static int init_ssl_connection(SSL *con)
2602         {
2603         int i;
2604         const char *str;
2605         X509 *peer;
2606         long verify_error;
2607         MS_STATIC char buf[BUFSIZ];
2608 #ifndef OPENSSL_NO_KRB5
2609         char *client_princ;
2610 #endif
2611 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2612         const unsigned char *next_proto_neg;
2613         unsigned next_proto_neg_len;
2614 #endif
2615         unsigned char *exportedkeymat;
2616
2617
2618         i=SSL_accept(con);
2619 #ifndef OPENSSL_NO_SRP
2620         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 
2621                 {
2622                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2623                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2624                         if (srp_callback_parm.user) 
2625                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2626                         else 
2627                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2628                         i=SSL_accept(con);
2629                 }
2630 #endif
2631         if (i <= 0)
2632                 {
2633                 if (BIO_sock_should_retry(i))
2634                         {
2635                         BIO_printf(bio_s_out,"DELAY\n");
2636                         return(1);
2637                         }
2638
2639                 BIO_printf(bio_err,"ERROR\n");
2640                 verify_error=SSL_get_verify_result(con);
2641                 if (verify_error != X509_V_OK)
2642                         {
2643                         BIO_printf(bio_err,"verify error:%s\n",
2644                                 X509_verify_cert_error_string(verify_error));
2645                         }
2646                 /* Always print any error messages */
2647                 ERR_print_errors(bio_err);
2648                 return(0);
2649                 }
2650
2651         if (s_brief)
2652                 print_ssl_summary(bio_err, con);
2653
2654         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2655
2656         peer=SSL_get_peer_certificate(con);
2657         if (peer != NULL)
2658                 {
2659                 BIO_printf(bio_s_out,"Client certificate\n");
2660                 PEM_write_bio_X509(bio_s_out,peer);
2661                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2662                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2663                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2664                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2665                 X509_free(peer);
2666                 }
2667
2668         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2669                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2670         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2671         ssl_print_sigalgs(bio_s_out, con);
2672 #ifndef OPENSSL_NO_EC
2673         ssl_print_point_formats(bio_s_out, con);
2674         ssl_print_curves(bio_s_out, con, 0);
2675 #endif
2676         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2677
2678 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2679         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2680         if (next_proto_neg)
2681                 {
2682                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2683                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2684                 BIO_printf(bio_s_out, "\n");
2685                 }
2686 #endif
2687         {
2688         SRTP_PROTECTION_PROFILE *srtp_profile
2689           = SSL_get_selected_srtp_profile(con);
2690
2691         if(srtp_profile)
2692                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2693                            srtp_profile->name);
2694         }
2695         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2696         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2697                 TLS1_FLAGS_TLS_PADDING_BUG)
2698                 BIO_printf(bio_s_out,
2699                            "Peer has incorrect TLSv1 block padding\n");
2700 #ifndef OPENSSL_NO_KRB5
2701         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2702         if (client_princ != NULL)
2703                 {
2704                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2705                                                                 client_princ);
2706                 }
2707 #endif /* OPENSSL_NO_KRB5 */
2708         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2709                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2710         if (keymatexportlabel != NULL)
2711                 {
2712                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2713                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2714                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2715                            keymatexportlen);
2716                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2717                 if (exportedkeymat != NULL)
2718                         {
2719                         if (!SSL_export_keying_material(con, exportedkeymat,
2720                                                         keymatexportlen,
2721                                                         keymatexportlabel,
2722                                                         strlen(keymatexportlabel),
2723                                                         NULL, 0, 0))
2724                                 {
2725                                 BIO_printf(bio_s_out, "    Error\n");
2726                                 }
2727                         else
2728                                 {
2729                                 BIO_printf(bio_s_out, "    Keying material: ");
2730                                 for (i=0; i<keymatexportlen; i++)
2731                                         BIO_printf(bio_s_out, "%02X",
2732                                                    exportedkeymat[i]);
2733                                 BIO_printf(bio_s_out, "\n");
2734                                 }
2735                         OPENSSL_free(exportedkeymat);
2736                         }
2737                 }
2738
2739         return(1);
2740         }
2741
2742 #ifndef OPENSSL_NO_DH
2743 static DH *load_dh_param(const char *dhfile)
2744         {
2745         DH *ret=NULL;
2746         BIO *bio;
2747
2748         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2749                 goto err;
2750         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2751 err:
2752         if (bio != NULL) BIO_free(bio);
2753         return(ret);
2754         }
2755 #endif
2756
2757 #if 0
2758 static int load_CA(SSL_CTX *ctx, char *file)
2759         {
2760         FILE *in;
2761         X509 *x=NULL;
2762
2763         if ((in=fopen(file,"r")) == NULL)
2764                 return(0);
2765
2766         for (;;)
2767                 {
2768                 if (PEM_read_X509(in,&x,NULL) == NULL)
2769                         break;
2770                 SSL_CTX_add_client_CA(ctx,x);
2771                 }
2772         if (x != NULL) X509_free(x);
2773         fclose(in);
2774         return(1);
2775         }
2776 #endif
2777
2778 static int www_body(char *hostname, int s, int stype, unsigned char *context)
2779         {
2780         char *buf=NULL;
2781         int ret=1;
2782         int i,j,k,dot;
2783         SSL *con;
2784         const SSL_CIPHER *c;
2785         BIO *io,*ssl_bio,*sbio;
2786 #ifndef OPENSSL_NO_KRB5
2787         KSSL_CTX *kctx;
2788 #endif
2789
2790         buf=OPENSSL_malloc(bufsize);
2791         if (buf == NULL) return(0);
2792         io=BIO_new(BIO_f_buffer());
2793         ssl_bio=BIO_new(BIO_f_ssl());
2794         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2795
2796 #ifdef FIONBIO  
2797         if (s_nbio)
2798                 {
2799                 unsigned long sl=1;
2800
2801                 if (!s_quiet)
2802                         BIO_printf(bio_err,"turning on non blocking io\n");
2803                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2804                         ERR_print_errors(bio_err);
2805                 }
2806 #endif
2807
2808         /* lets make the output buffer a reasonable size */
2809         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2810
2811         if ((con=SSL_new(ctx)) == NULL) goto err;
2812 #ifndef OPENSSL_NO_TLSEXT
2813                 if (s_tlsextdebug)
2814                         {
2815                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2816                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2817                         }
2818 #endif
2819 #ifndef OPENSSL_NO_KRB5
2820         if ((kctx = kssl_ctx_new()) != NULL)
2821                 {
2822                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2823                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2824                 }
2825 #endif  /* OPENSSL_NO_KRB5 */
2826         if(context) SSL_set_session_id_context(con, context,
2827                                                strlen((char *)context));
2828
2829         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2830         if (s_nbio_test)
2831                 {
2832                 BIO *test;
2833
2834                 test=BIO_new(BIO_f_nbio_test());
2835                 sbio=BIO_push(test,sbio);
2836                 }
2837         SSL_set_bio(con,sbio,sbio);
2838         SSL_set_accept_state(con);
2839
2840         /* SSL_set_fd(con,s); */
2841         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2842         BIO_push(io,ssl_bio);
2843 #ifdef CHARSET_EBCDIC
2844         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2845 #endif
2846
2847         if (s_debug)
2848                 {
2849                 SSL_set_debug(con, 1);
2850                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2851                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2852                 }
2853         if (s_msg)
2854                 {
2855 #ifndef OPENSSL_NO_SSL_TRACE
2856                 if (s_msg == 2)
2857                         SSL_set_msg_callback(con, SSL_trace);
2858                 else
2859 #endif
2860                         SSL_set_msg_callback(con, msg_cb);
2861                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2862                 }
2863
2864         for (;;)
2865                 {
2866                 if (hack)
2867                         {
2868                         i=SSL_accept(con);
2869 #ifndef OPENSSL_NO_SRP
2870                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 
2871                 {
2872                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2873                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2874                         if (srp_callback_parm.user) 
2875                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2876                         else 
2877                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2878                         i=SSL_accept(con);
2879                 }
2880 #endif
2881                         switch (SSL_get_error(con,i))
2882                                 {
2883                         case SSL_ERROR_NONE:
2884                                 break;
2885                         case SSL_ERROR_WANT_WRITE:
2886                         case SSL_ERROR_WANT_READ:
2887                         case SSL_ERROR_WANT_X509_LOOKUP:
2888                                 continue;
2889                         case SSL_ERROR_SYSCALL:
2890                         case SSL_ERROR_SSL:
2891                         case SSL_ERROR_ZERO_RETURN:
2892                                 ret=1;
2893                                 goto err;
2894                                 /* break; */
2895                                 }
2896
2897                         SSL_renegotiate(con);
2898                         SSL_write(con,NULL,0);
2899                         }
2900
2901                 i=BIO_gets(io,buf,bufsize-1);
2902                 if (i < 0) /* error */
2903                         {
2904                         if (!BIO_should_retry(io))
2905                                 {
2906                                 if (!s_quiet)
2907                                         ERR_print_errors(bio_err);
2908                                 goto err;
2909                                 }
2910                         else
2911                                 {
2912                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2913 #if defined(OPENSSL_SYS_NETWARE)
2914             delay(1000);
2915 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2916                                 sleep(1);
2917 #endif
2918                                 continue;
2919                                 }
2920                         }
2921                 else if (i == 0) /* end of input */
2922                         {
2923                         ret=1;
2924                         goto end;
2925                         }
2926
2927                 /* else we have data */
2928                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2929                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2930                         {
2931                         char *p;
2932                         X509 *peer;
2933                         STACK_OF(SSL_CIPHER) *sk;
2934                         static const char *space="                          ";
2935
2936                 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0)
2937                         {
2938                         if (strncmp("GET /renegcert", buf, 14) == 0)
2939                                 SSL_set_verify(con,
2940                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2941                         i=SSL_renegotiate(con);
2942                         BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n",i);
2943                         i=SSL_do_handshake(con);
2944                         if (i <= 0)
2945                                 {
2946                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2947                                 ERR_print_errors(bio_err);
2948                                 goto err;
2949                                 }
2950                         /* EVIL HACK! */
2951                         SSL_set_state(con, SSL_ST_ACCEPT);
2952                         i=SSL_do_handshake(con);
2953                         BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n",i);
2954                         if (i <= 0)
2955                                 {
2956                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2957                                 ERR_print_errors(bio_err);
2958                                 goto err;
2959                                 }
2960                         }
2961
2962                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2963                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2964                         BIO_puts(io,"<pre>\n");
2965 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2966                         BIO_puts(io,"\n");
2967                         for (i=0; i<local_argc; i++)
2968                                 {
2969                                 BIO_puts(io,local_argv[i]);
2970                                 BIO_write(io," ",1);
2971                                 }
2972                         BIO_puts(io,"\n");
2973
2974                         BIO_printf(io,
2975                                 "Secure Renegotiation IS%s supported\n",
2976                                 SSL_get_secure_renegotiation_support(con) ?
2977                                                         "" : " NOT");
2978
2979                         /* The following is evil and should not really
2980                          * be done */
2981                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2982                         sk=SSL_get_ciphers(con);
2983                         j=sk_SSL_CIPHER_num(sk);
2984                         for (i=0; i<j; i++)
2985                                 {
2986                                 c=sk_SSL_CIPHER_value(sk,i);
2987                                 BIO_printf(io,"%-11s:%-25s",
2988                                         SSL_CIPHER_get_version(c),
2989                                         SSL_CIPHER_get_name(c));
2990                                 if ((((i+1)%2) == 0) && (i+1 != j))
2991                                         BIO_puts(io,"\n");
2992                                 }
2993                         BIO_puts(io,"\n");
2994                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2995                         if (p != NULL)
2996                                 {
2997                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2998                                 j=i=0;
2999                                 while (*p)
3000                                         {
3001                                         if (*p == ':')
3002                                                 {
3003                                                 BIO_write(io,space,26-j);
3004                                                 i++;
3005                                                 j=0;
3006                                                 BIO_write(io,((i%3)?" ":"\n"),1);
3007                                                 }
3008                                         else
3009                                                 {
3010                                                 BIO_write(io,p,1);
3011                                                 j++;
3012                                                 }
3013                                         p++;
3014                                         }
3015                                 BIO_puts(io,"\n");
3016                                 }
3017                         ssl_print_sigalgs(io, con);
3018 #ifndef OPENSSL_NO_EC
3019                         ssl_print_curves(io, con, 0);
3020 #endif
3021                         BIO_printf(io,(SSL_cache_hit(con)
3022                                 ?"---\nReused, "
3023                                 :"---\nNew, "));
3024                         c=SSL_get_current_cipher(con);
3025                         BIO_printf(io,"%s, Cipher is %s\n",
3026                                 SSL_CIPHER_get_version(c),
3027                                 SSL_CIPHER_get_name(c));
3028                         SSL_SESSION_print(io,SSL_get_session(con));
3029                         BIO_printf(io,"---\n");
3030                         print_stats(io,SSL_get_SSL_CTX(con));
3031                         BIO_printf(io,"---\n");
3032                         peer=SSL_get_peer_certificate(con);
3033                         if (peer != NULL)
3034                                 {
3035                                 BIO_printf(io,"Client certificate\n");
3036                                 X509_print(io,peer);
3037                                 PEM_write_bio_X509(io,peer);
3038                                 }
3039                         else
3040                                 BIO_puts(io,"no client certificate available\n");
3041                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
3042                         break;
3043                         }
3044                 else if ((www == 2 || www == 3)
3045                          && (strncmp("GET /",buf,5) == 0))
3046                         {
3047                         BIO *file;
3048                         char *p,*e;
3049                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3050
3051                         /* skip the '/' */
3052                         p= &(buf[5]);
3053
3054                         dot = 1;
3055                         for (e=p; *e != '\0'; e++)
3056                                 {
3057                                 if (e[0] == ' ')
3058                                         break;
3059
3060                                 switch (dot)
3061                                         {
3062                                 case 1:
3063                                         dot = (e[0] == '.') ? 2 : 0;
3064                                         break;
3065                                 case 2:
3066                                         dot = (e[0] == '.') ? 3 : 0;
3067                                         break;
3068                                 case 3:
3069                                         dot = (e[0] == '/') ? -1 : 0;
3070                                         break;
3071                                         }
3072                                 if (dot == 0)
3073                                         dot = (e[0] == '/') ? 1 : 0;
3074                                 }
3075                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
3076
3077                         if (*e == '\0')
3078                                 {
3079                                 BIO_puts(io,text);
3080                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
3081                                 break;
3082                                 }
3083                         *e='\0';
3084
3085                         if (dot)
3086                                 {
3087                                 BIO_puts(io,text);
3088                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
3089                                 break;
3090                                 }
3091
3092                         if (*p == '/')
3093                                 {
3094                                 BIO_puts(io,text);
3095                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
3096                                 break;
3097                                 }
3098
3099 #if 0
3100                         /* append if a directory lookup */
3101                         if (e[-1] == '/')
3102                                 strcat(p,"index.html");
3103 #endif
3104
3105                         /* if a directory, do the index thang */
3106                         if (app_isdir(p)>0)
3107                                 {
3108 #if 0 /* must check buffer size */
3109                                 strcat(p,"/index.html");
3110 #else
3111                                 BIO_puts(io,text);
3112                                 BIO_printf(io,"'%s' is a directory\r\n",p);
3113                                 break;
3114 #endif
3115                                 }
3116
3117                         if ((file=BIO_new_file(p,"r")) == NULL)
3118                                 {
3119                                 BIO_puts(io,text);
3120                                 BIO_printf(io,"Error opening '%s'\r\n",p);
3121                                 ERR_print_errors(io);
3122                                 break;
3123                                 }
3124
3125                         if (!s_quiet)
3126                                 BIO_printf(bio_err,"FILE:%s\n",p);
3127
3128                         if (www == 2)
3129                                 {
3130                                 i=strlen(p);
3131                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3132                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3133                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3134                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3135                                 else
3136                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3137                                 }
3138                         /* send the file */
3139                         for (;;)
3140                                 {
3141                                 i=BIO_read(file,buf,bufsize);
3142                                 if (i <= 0) break;
3143
3144 #ifdef RENEG
3145                                 total_bytes+=i;
3146                                 fprintf(stderr,"%d\n",i);
3147                                 if (total_bytes > 3*1024)
3148                                         {
3149                                         total_bytes=0;
3150                                         fprintf(stderr,"RENEGOTIATE\n");
3151                                         SSL_renegotiate(con);
3152                                         }
3153 #endif
3154
3155                                 for (j=0; j<i; )
3156                                         {
3157 #ifdef RENEG
3158 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3159 #endif
3160                                         k=BIO_write(io,&(buf[j]),i-j);
3161                                         if (k <= 0)
3162                                                 {
3163                                                 if (!BIO_should_retry(io))
3164                                                         goto write_error;
3165                                                 else
3166                                                         {
3167                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3168                                                         }
3169                                                 }
3170                                         else
3171                                                 {
3172                                                 j+=k;
3173                                                 }
3174                                         }
3175                                 }
3176 write_error:
3177                         BIO_free(file);
3178                         break;
3179                         }
3180                 }
3181
3182         for (;;)
3183                 {
3184                 i=(int)BIO_flush(io);
3185                 if (i <= 0)
3186                         {
3187                         if (!BIO_should_retry(io))
3188                                 break;
3189                         }
3190                 else
3191                         break;
3192                 }
3193 end:
3194 #if 1
3195         /* make sure we re-use sessions */
3196         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3197 #else
3198         /* This kills performance */
3199 /*      SSL_shutdown(con); A shutdown gets sent in the
3200  *      BIO_free_all(io) procession */
3201 #endif
3202
3203 err:
3204
3205         if (ret >= 0)
3206                 BIO_printf(bio_s_out,"ACCEPT\n");
3207
3208         if (buf != NULL) OPENSSL_free(buf);
3209         if (io != NULL) BIO_free_all(io);
3210 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3211         return(ret);
3212         }
3213
3214 static int rev_body(char *hostname, int s, int stype, unsigned char *context)
3215         {
3216         char *buf=NULL;
3217         int i;
3218         int ret=1;
3219         SSL *con;
3220         BIO *io,*ssl_bio,*sbio;
3221 #ifndef OPENSSL_NO_KRB5
3222         KSSL_CTX *kctx;
3223 #endif
3224
3225         buf=OPENSSL_malloc(bufsize);
3226         if (buf == NULL) return(0);
3227         io=BIO_new(BIO_f_buffer());
3228         ssl_bio=BIO_new(BIO_f_ssl());
3229         if ((io == NULL) || (ssl_bio == NULL)) goto err;
3230
3231         /* lets make the output buffer a reasonable size */
3232         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
3233
3234         if ((con=SSL_new(ctx)) == NULL) goto err;
3235 #ifndef OPENSSL_NO_TLSEXT
3236         if (s_tlsextdebug)
3237                 {
3238                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3239                 SSL_set_tlsext_debug_arg(con, bio_s_out);
3240                 }
3241 #endif
3242 #ifndef OPENSSL_NO_KRB5
3243         if ((kctx = kssl_ctx_new()) != NULL)
3244                 {
3245                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
3246                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
3247                 }
3248 #endif  /* OPENSSL_NO_KRB5 */
3249         if(context) SSL_set_session_id_context(con, context,
3250                                                strlen((char *)context));
3251
3252         sbio=BIO_new_socket(s,BIO_NOCLOSE);
3253         SSL_set_bio(con,sbio,sbio);
3254         SSL_set_accept_state(con);
3255
3256         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
3257         BIO_push(io,ssl_bio);
3258 #ifdef CHARSET_EBCDIC
3259         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
3260 #endif
3261
3262         if (s_debug)
3263                 {
3264                 SSL_set_debug(con, 1);
3265                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
3266                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
3267                 }
3268         if (s_msg)
3269                 {
3270 #ifndef OPENSSL_NO_SSL_TRACE
3271                 if (s_msg == 2)
3272                         SSL_set_msg_callback(con, SSL_trace);
3273                 else
3274 #endif
3275                         SSL_set_msg_callback(con, msg_cb);
3276                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3277                 }
3278
3279         for (;;)
3280                 {
3281                 i = BIO_do_handshake(io);
3282                 if (i > 0)
3283                         break;
3284                 if (!BIO_should_retry(io))
3285                         {
3286                         BIO_puts(bio_err, "CONNECTION FAILURE\n");
3287                         ERR_print_errors(bio_err);
3288                         goto end;
3289                         }
3290                 }
3291         BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3292         print_ssl_summary(bio_err, con);
3293
3294         for (;;)
3295                 {
3296                 i=BIO_gets(io,buf,bufsize-1);
3297                 if (i < 0) /* error */
3298                         {
3299                         if (!BIO_should_retry(io))
3300                                 {
3301                                 if (!s_quiet)
3302                                         ERR_print_errors(bio_err);
3303                                 goto err;
3304                                 }
3305                         else
3306                                 {
3307                                 BIO_printf(bio_s_out,"read R BLOCK\n");
3308 #if defined(OPENSSL_SYS_NETWARE)
3309             delay(1000);
3310 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
3311                                 sleep(1);
3312 #endif
3313                                 continue;
3314                                 }
3315                         }
3316                 else if (i == 0) /* end of input */
3317                         {
3318                         ret=1;
3319                         BIO_printf(bio_err, "CONNECTION CLOSED\n");
3320                         goto end;
3321                         }
3322                 else
3323                         {
3324                         char *p = buf + i - 1;
3325                         while(i && (*p == '\n' || *p == '\r'))
3326                                 {
3327                                 p--;
3328                                 i--;
3329                                 }
3330                         if (!s_ign_eof && i == 5 && !strncmp(buf, "CLOSE", 5))
3331                                 {
3332                                 ret = 1;
3333                                 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3334                                 goto end;
3335                                 }
3336                         BUF_reverse((unsigned char *)buf, NULL, i);
3337                         buf[i] = '\n';
3338                         BIO_write(io, buf, i + 1);
3339                         for (;;)
3340                                 {
3341                                 i = BIO_flush(io);
3342                                 if (i > 0)
3343                                         break;
3344                                 if (!BIO_should_retry(io))
3345                                         goto end;
3346                                 }
3347                         }
3348                 }
3349 end:
3350         /* make sure we re-use sessions */
3351         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3352
3353 err:
3354
3355         if (buf != NULL) OPENSSL_free(buf);
3356         if (io != NULL) BIO_free_all(io);
3357         return(ret);
3358         }
3359
3360 #ifndef OPENSSL_NO_RSA
3361 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3362         {
3363         BIGNUM *bn = NULL;
3364         static RSA *rsa_tmp=NULL;
3365
3366         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3367                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3368         if (!rsa_tmp && bn)
3369                 {
3370                 if (!s_quiet)
3371                         {
3372                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3373                         (void)BIO_flush(bio_err);
3374                         }
3375                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3376                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3377                         {
3378                         if(rsa_tmp) RSA_free(rsa_tmp);
3379                         rsa_tmp = NULL;
3380                         }
3381                 if (!s_quiet)
3382                         {
3383                         BIO_printf(bio_err,"\n");
3384                         (void)BIO_flush(bio_err);
3385                         }
3386                 BN_free(bn);
3387                 }
3388         return(rsa_tmp);
3389         }
3390 #endif
3391
3392 #define MAX_SESSION_ID_ATTEMPTS 10
3393 static int generate_session_id(const SSL *ssl, unsigned char *id,
3394                                 unsigned int *id_len)
3395         {
3396         unsigned int count = 0;
3397         do      {
3398                 RAND_pseudo_bytes(id, *id_len);
3399                 /* Prefix the session_id with the required prefix. NB: If our
3400                  * prefix is too long, clip it - but there will be worse effects
3401                  * anyway, eg. the server could only possibly create 1 session
3402                  * ID (ie. the prefix!) so all future session negotiations will
3403                  * fail due to conflicts. */
3404                 memcpy(id, session_id_prefix,
3405                         (strlen(session_id_prefix) < *id_len) ?
3406                         strlen(session_id_prefix) : *id_len);
3407                 }
3408         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3409                 (++count < MAX_SESSION_ID_ATTEMPTS));
3410         if(count >= MAX_SESSION_ID_ATTEMPTS)
3411                 return 0;
3412         return 1;
3413         }
3414
3415 /* By default s_server uses an in-memory cache which caches SSL_SESSION
3416  * structures without any serialisation. This hides some bugs which only
3417  * become apparent in deployed servers. By implementing a basic external
3418  * session cache some issues can be debugged using s_server.
3419  */
3420
3421 typedef struct simple_ssl_session_st
3422         {
3423         unsigned char *id;
3424         unsigned int idlen;
3425         unsigned char *der;
3426         int derlen;
3427         struct simple_ssl_session_st *next;
3428         } simple_ssl_session;
3429
3430 static simple_ssl_session *first = NULL;
3431
3432 static int add_session(SSL *ssl, SSL_SESSION *session)
3433         {
3434         simple_ssl_session *sess;
3435         unsigned char *p;
3436
3437         sess = OPENSSL_malloc(sizeof(simple_ssl_session));
3438
3439         SSL_SESSION_get_id(session, &sess->idlen);
3440         sess->derlen = i2d_SSL_SESSION(session, NULL);
3441
3442         sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3443
3444         sess->der = OPENSSL_malloc(sess->derlen);
3445         p = sess->der;
3446         i2d_SSL_SESSION(session, &p);
3447
3448         sess->next = first;
3449         first = sess;
3450         BIO_printf(bio_err, "New session added to external cache\n");
3451         return 0;
3452         }
3453
3454 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3455                                         int *do_copy)
3456         {
3457         simple_ssl_session *sess;
3458         *do_copy = 0;
3459         for (sess = first; sess; sess = sess->next)
3460                 {
3461                 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen))
3462                         {
3463                         const unsigned char *p = sess->der;
3464                         BIO_printf(bio_err, "Lookup session: cache hit\n");
3465                         return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3466                         }
3467                 }
3468         BIO_printf(bio_err, "Lookup session: cache miss\n");
3469         return NULL;
3470         }
3471
3472 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3473         {
3474         simple_ssl_session *sess, *prev = NULL;
3475         const unsigned char *id;
3476         unsigned int idlen;
3477         id = SSL_SESSION_get_id(session, &idlen);       
3478         for (sess = first; sess; sess = sess->next)
3479                 {
3480                 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
3481                         {
3482                         if(prev)
3483                                 prev->next = sess->next;
3484                         else
3485                                 first = sess->next;
3486                         OPENSSL_free(sess->id);
3487                         OPENSSL_free(sess->der);
3488                         OPENSSL_free(sess);
3489                         return;
3490                         }
3491                 prev = sess;
3492                 }
3493         }
3494
3495 static void init_session_cache_ctx(SSL_CTX *sctx)
3496         {
3497         SSL_CTX_set_session_cache_mode(sctx,
3498                         SSL_SESS_CACHE_NO_INTERNAL|SSL_SESS_CACHE_SERVER);
3499         SSL_CTX_sess_set_new_cb(sctx, add_session);
3500         SSL_CTX_sess_set_get_cb(sctx, get_session);
3501         SSL_CTX_sess_set_remove_cb(sctx, del_session);
3502         }
3503
3504 static void free_sessions(void)
3505         {
3506         simple_ssl_session *sess, *tsess;
3507         for (sess = first; sess;)
3508                 {
3509                 OPENSSL_free(sess->id);
3510                 OPENSSL_free(sess->der);
3511                 tsess = sess;
3512                 sess = sess->next;
3513                 OPENSSL_free(tsess);
3514                 }
3515         first = NULL;
3516         }