RT3548: Remove unsupported platforms
[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
144 #include <assert.h>
145 #include <ctype.h>
146 #include <stdio.h>
147 #include <stdlib.h>
148 #include <string.h>
149
150 #include <openssl/e_os2.h>
151
152 #if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
153 #include <sys/types.h>
154 #endif
155
156 /* With IPv6, it looks like Digital has mixed up the proper order of
157    recursive header file inclusion, resulting in the compiler complaining
158    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
159    is needed to have fileno() declared correctly...  So let's define u_int */
160 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
161 #define __U_INT
162 typedef unsigned int u_int;
163 #endif
164
165 #include <openssl/lhash.h>
166 #include <openssl/bn.h>
167 #define USE_SOCKETS
168 #include "apps.h"
169 #include <openssl/err.h>
170 #include <openssl/pem.h>
171 #include <openssl/x509.h>
172 #include <openssl/ssl.h>
173 #include <openssl/rand.h>
174 #include <openssl/ocsp.h>
175 #ifndef OPENSSL_NO_DH
176 #include <openssl/dh.h>
177 #endif
178 #ifndef OPENSSL_NO_RSA
179 #include <openssl/rsa.h>
180 #endif
181 #ifndef OPENSSL_NO_SRP
182 #include <openssl/srp.h>
183 #endif
184 #include "s_apps.h"
185 #include "timeouts.h"
186
187 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
188 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
189 #undef FIONBIO
190 #endif
191
192 #ifndef OPENSSL_NO_RSA
193 static RSA *tmp_rsa_cb(SSL *s, int is_export, int keylength);
194 #endif
195 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
196 static int sv_body(char *hostname, int s, int stype, unsigned char *context);
197 static int www_body(char *hostname, int s, int stype, unsigned char *context);
198 static int rev_body(char *hostname, int s, int stype, unsigned char *context);
199 static void close_accept_socket(void );
200 static void sv_usage(void);
201 static int init_ssl_connection(SSL *s);
202 static void print_stats(BIO *bp,SSL_CTX *ctx);
203 static int generate_session_id(const SSL *ssl, unsigned char *id,
204                                 unsigned int *id_len);
205 static void init_session_cache_ctx(SSL_CTX *sctx);
206 static void free_sessions(void);
207 #ifndef OPENSSL_NO_DH
208 static DH *load_dh_param(const char *dhfile);
209 #endif
210
211 #ifdef MONOLITH
212 static void s_server_init(void);
213 #endif
214
215 /* static int load_CA(SSL_CTX *ctx, char *file);*/
216
217 #undef BUFSIZZ
218 #define BUFSIZZ 16*1024
219 static int bufsize=BUFSIZZ;
220 static int accept_socket= -1;
221
222 #define TEST_CERT       "server.pem"
223 #ifndef OPENSSL_NO_TLSEXT
224 #define TEST_CERT2      "server2.pem"
225 #endif
226 #undef PROG
227 #define PROG            s_server_main
228
229 extern int verify_depth, verify_return_error, verify_quiet;
230
231 static int s_server_verify=SSL_VERIFY_NONE;
232 static int s_server_session_id_context = 1; /* anything will do */
233 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
234 #ifndef OPENSSL_NO_TLSEXT
235 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
236 #endif
237 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
238 #ifdef FIONBIO
239 static int s_nbio=0;
240 #endif
241 static int s_nbio_test=0;
242 int s_crlf=0;
243 static SSL_CTX *ctx=NULL;
244 #ifndef OPENSSL_NO_TLSEXT
245 static SSL_CTX *ctx2=NULL;
246 #endif
247 static int www=0;
248
249 static BIO *bio_s_out=NULL;
250 static BIO *bio_s_msg = NULL;
251 static int s_debug=0;
252 #ifndef OPENSSL_NO_TLSEXT
253 static int s_tlsextdebug=0;
254 static int s_tlsextstatus=0;
255 static int cert_status_cb(SSL *s, void *arg);
256 #endif
257 static int no_resume_ephemeral = 0;
258 static int s_msg=0;
259 static int s_quiet=0;
260 static int s_ign_eof=0;
261 static int s_brief=0;
262
263 static char *keymatexportlabel=NULL;
264 static int keymatexportlen=20;
265
266 static int hack=0;
267 #ifndef OPENSSL_NO_ENGINE
268 static char *engine_id=NULL;
269 #endif
270 static const char *session_id_prefix=NULL;
271
272 static int enable_timeouts = 0;
273 static long socket_mtu;
274 #ifndef OPENSSL_NO_DTLS1
275 static int cert_chain = 0;
276 #endif
277
278 #ifndef OPENSSL_NO_TLSEXT
279 static BIO *serverinfo_in = NULL;
280 static const char *s_serverinfo_file = NULL;
281
282 #endif
283
284 #ifndef OPENSSL_NO_PSK
285 static char *psk_identity="Client_identity";
286 char *psk_key=NULL; /* by default PSK is not used */
287
288 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
289         unsigned char *psk, unsigned int max_psk_len)
290         {
291         unsigned int psk_len = 0;
292         int ret;
293         BIGNUM *bn = NULL;
294
295         if (s_debug)
296                 BIO_printf(bio_s_out,"psk_server_cb\n");
297         if (!identity)
298                 {
299                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
300                 goto out_err;
301                 }
302         if (s_debug)
303                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
304                         identity ? (int)strlen(identity) : 0, identity);
305
306         /* here we could lookup the given identity e.g. from a database */
307         if (strcmp(identity, psk_identity) != 0)
308                 {
309                 BIO_printf(bio_s_out, "PSK error: client identity not found"
310                            " (got '%s' expected '%s')\n", identity,
311                            psk_identity);
312                 goto out_err;
313                 }
314         if (s_debug)
315                 BIO_printf(bio_s_out, "PSK client identity found\n");
316
317         /* convert the PSK key to binary */
318         ret = BN_hex2bn(&bn, psk_key);
319         if (!ret)
320                 {
321                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
322                 if (bn)
323                         BN_free(bn);
324                 return 0;
325                 }
326         if (BN_num_bytes(bn) > (int)max_psk_len)
327                 {
328                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
329                         max_psk_len, BN_num_bytes(bn));
330                 BN_free(bn);
331                 return 0;
332                 }
333
334         ret = BN_bn2bin(bn, psk);
335         BN_free(bn);
336
337         if (ret < 0)
338                 goto out_err;
339         psk_len = (unsigned int)ret;
340
341         if (s_debug)
342                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
343         return psk_len;
344  out_err:
345         if (s_debug)
346                 BIO_printf(bio_err, "Error in PSK server callback\n");
347         return 0;
348         }
349 #endif
350
351 #ifndef OPENSSL_NO_SRP
352 /* This is a context that we pass to callbacks */
353 typedef struct srpsrvparm_st
354         {
355         char *login;
356         SRP_VBASE *vb;
357         SRP_user_pwd *user;
358         } srpsrvparm;
359
360 /* This callback pretends to require some asynchronous logic in order to obtain
361    a verifier. When the callback is called for a new connection we return
362    with a negative value. This will provoke the accept etc to return with
363    an LOOKUP_X509. The main logic of the reinvokes the suspended call 
364    (which would normally occur after a worker has finished) and we
365    set the user parameters. 
366 */
367 static int ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
368         {
369         srpsrvparm *p = (srpsrvparm *)arg;
370         if (p->login == NULL && p->user == NULL )
371                 {
372                 p->login = SSL_get_srp_username(s);
373                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
374                 return (-1) ;
375                 }
376
377         if (p->user == NULL)
378                 {
379                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
380                 return SSL3_AL_FATAL;
381                 }
382         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
383                                      p->user->info) < 0)
384                 {
385                 *ad = SSL_AD_INTERNAL_ERROR;
386                 return SSL3_AL_FATAL;
387                 }
388         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
389         /* need to check whether there are memory leaks */
390         p->user = NULL;
391         p->login = NULL;
392         return SSL_ERROR_NONE;
393         }
394
395 #endif
396
397 #ifdef MONOLITH
398 static void s_server_init(void)
399         {
400         accept_socket=-1;
401         s_server_verify=SSL_VERIFY_NONE;
402         s_dcert_file=NULL;
403         s_dkey_file=NULL;
404         s_dchain_file=NULL;
405         s_cert_file=TEST_CERT;
406         s_key_file=NULL;
407         s_chain_file=NULL;
408 #ifndef OPENSSL_NO_TLSEXT
409         s_cert_file2=TEST_CERT2;
410         s_key_file2=NULL;
411         ctx2=NULL;
412 #endif
413 #ifdef FIONBIO
414         s_nbio=0;
415 #endif
416         s_nbio_test=0;
417         ctx=NULL;
418         www=0;
419
420         bio_s_out=NULL;
421         s_debug=0;
422         s_msg=0;
423         s_quiet=0;
424         s_brief=0;
425         hack=0;
426 #ifndef OPENSSL_NO_ENGINE
427         engine_id=NULL;
428 #endif
429         }
430 #endif
431
432 static void sv_usage(void)
433         {
434         BIO_printf(bio_err,"usage: s_server [args ...]\n");
435         BIO_printf(bio_err,"\n");
436         BIO_printf(bio_err," -accept port  - TCP/IP port to accept on (default is %d)\n",PORT);
437         BIO_printf(bio_err," -unix path    - unix domain socket to accept on\n");
438         BIO_printf(bio_err," -unlink       - for -unix, unlink existing socket first\n");
439         BIO_printf(bio_err," -context arg  - set session ID context\n");
440         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
441         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
442         BIO_printf(bio_err," -verify_return_error - return verification errors\n");
443         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
444         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
445         BIO_printf(bio_err," -naccept arg  - terminate after 'arg' connections\n");
446 #ifndef OPENSSL_NO_TLSEXT
447         BIO_printf(bio_err," -serverinfo arg - PEM serverinfo file for certificate\n");
448 #endif
449     BIO_printf(bio_err," -no_resumption_on_reneg - set SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION flag\n");
450         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
451                            "                 The CRL(s) are appended to the certificate file\n");
452         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
453                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
454                            "                 the certificate file.\n");
455         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
456         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
457         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
458         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
459         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
460         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
461         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
462         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
463         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
464         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
465         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
466         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
467 #ifndef OPENSSL_NO_ECDH
468         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
469                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
470                            "                 (default is nistp256).\n");
471 #endif
472 #ifdef FIONBIO
473         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
474 #endif
475         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
476         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
477         BIO_printf(bio_err," -debug        - Print more output\n");
478         BIO_printf(bio_err," -msg          - Show protocol messages\n");
479         BIO_printf(bio_err," -state        - Print the SSL states\n");
480         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
481         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
482         BIO_printf(bio_err," -trusted_first - Use locally trusted CA's first when building trust chain\n");
483         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
484         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
485         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
486         BIO_printf(bio_err," -quiet        - No server output\n");
487         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
488 #ifndef OPENSSL_NO_PSK
489         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
490         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
491 # ifndef OPENSSL_NO_JPAKE
492         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
493 # endif
494 #endif
495 #ifndef OPENSSL_NO_SRP
496         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
497         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
498 #endif
499 #ifndef OPENSSL_NO_SSL3_METHOD
500         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
501 #endif
502         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
503         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
504         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
505         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
506         BIO_printf(bio_err," -dtls1_2      - Just talk DTLSv1.2\n");
507         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
508         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
509         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
510         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
511         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
512         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
513         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
514 #ifndef OPENSSL_NO_DH
515         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
516 #endif
517 #ifndef OPENSSL_NO_ECDH
518         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
519 #endif
520         BIO_printf(bio_err, "-no_resume_ephemeral - Disable caching and tickets if ephemeral (EC)DH is used\n");
521         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
522         BIO_printf(bio_err," -hack         - workaround for early Netscape code\n");
523         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
524         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
525         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
526         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
527 #ifndef OPENSSL_NO_ENGINE
528         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
529 #endif
530         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
531         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
532 #ifndef OPENSSL_NO_TLSEXT
533         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
534         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
535         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
536         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
537         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
538         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
539         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
540         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
541         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
542 # ifndef OPENSSL_NO_NEXTPROTONEG
543         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
544 # endif
545 # ifndef OPENSSL_NO_SRTP
546         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
547 # endif
548         BIO_printf(bio_err," -alpn arg  - set the advertised protocols for the ALPN extension (comma-separated list)\n");
549 #endif
550         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
551         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
552         BIO_printf(bio_err," -status           - respond to certificate status requests\n");
553         BIO_printf(bio_err," -status_verbose   - enable status request verbose printout\n");
554         BIO_printf(bio_err," -status_timeout n - status request responder timeout\n");
555         BIO_printf(bio_err," -status_url URL   - status request fallback URL\n");
556         }
557
558 static int local_argc=0;
559 static char **local_argv;
560
561 #ifdef CHARSET_EBCDIC
562 static int ebcdic_new(BIO *bi);
563 static int ebcdic_free(BIO *a);
564 static int ebcdic_read(BIO *b, char *out, int outl);
565 static int ebcdic_write(BIO *b, const char *in, int inl);
566 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
567 static int ebcdic_gets(BIO *bp, char *buf, int size);
568 static int ebcdic_puts(BIO *bp, const char *str);
569
570 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
571 static BIO_METHOD methods_ebcdic=
572         {
573         BIO_TYPE_EBCDIC_FILTER,
574         "EBCDIC/ASCII filter",
575         ebcdic_write,
576         ebcdic_read,
577         ebcdic_puts,
578         ebcdic_gets,
579         ebcdic_ctrl,
580         ebcdic_new,
581         ebcdic_free,
582         };
583
584 typedef struct
585 {
586         size_t  alloced;
587         char    buff[1];
588 } EBCDIC_OUTBUFF;
589
590 BIO_METHOD *BIO_f_ebcdic_filter()
591 {
592         return(&methods_ebcdic);
593 }
594
595 static int ebcdic_new(BIO *bi)
596 {
597         EBCDIC_OUTBUFF *wbuf;
598
599         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
600         wbuf->alloced = 1024;
601         wbuf->buff[0] = '\0';
602
603         bi->ptr=(char *)wbuf;
604         bi->init=1;
605         bi->flags=0;
606         return(1);
607 }
608
609 static int ebcdic_free(BIO *a)
610 {
611         if (a == NULL) return(0);
612         if (a->ptr != NULL)
613                 OPENSSL_free(a->ptr);
614         a->ptr=NULL;
615         a->init=0;
616         a->flags=0;
617         return(1);
618 }
619         
620 static int ebcdic_read(BIO *b, char *out, int outl)
621 {
622         int ret=0;
623
624         if (out == NULL || outl == 0) return(0);
625         if (b->next_bio == NULL) return(0);
626
627         ret=BIO_read(b->next_bio,out,outl);
628         if (ret > 0)
629                 ascii2ebcdic(out,out,ret);
630         return(ret);
631 }
632
633 static int ebcdic_write(BIO *b, const char *in, int inl)
634 {
635         EBCDIC_OUTBUFF *wbuf;
636         int ret=0;
637         int num;
638         unsigned char n;
639
640         if ((in == NULL) || (inl <= 0)) return(0);
641         if (b->next_bio == NULL) return(0);
642
643         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
644
645         if (inl > (num = wbuf->alloced))
646         {
647                 num = num + num;  /* double the size */
648                 if (num < inl)
649                         num = inl;
650                 OPENSSL_free(wbuf);
651                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
652
653                 wbuf->alloced = num;
654                 wbuf->buff[0] = '\0';
655
656                 b->ptr=(char *)wbuf;
657         }
658
659         ebcdic2ascii(wbuf->buff, in, inl);
660
661         ret=BIO_write(b->next_bio, wbuf->buff, inl);
662
663         return(ret);
664 }
665
666 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
667 {
668         long ret;
669
670         if (b->next_bio == NULL) return(0);
671         switch (cmd)
672         {
673         case BIO_CTRL_DUP:
674                 ret=0L;
675                 break;
676         default:
677                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
678                 break;
679         }
680         return(ret);
681 }
682
683 static int ebcdic_gets(BIO *bp, char *buf, int size)
684 {
685         int i, ret=0;
686         if (bp->next_bio == NULL) return(0);
687 /*      return(BIO_gets(bp->next_bio,buf,size));*/
688         for (i=0; i<size-1; ++i)
689         {
690                 ret = ebcdic_read(bp,&buf[i],1);
691                 if (ret <= 0)
692                         break;
693                 else if (buf[i] == '\n')
694                 {
695                         ++i;
696                         break;
697                 }
698         }
699         if (i < size)
700                 buf[i] = '\0';
701         return (ret < 0 && i == 0) ? ret : i;
702 }
703
704 static int ebcdic_puts(BIO *bp, const char *str)
705 {
706         if (bp->next_bio == NULL) return(0);
707         return ebcdic_write(bp, str, strlen(str));
708 }
709 #endif
710
711 #ifndef OPENSSL_NO_TLSEXT
712
713 /* This is a context that we pass to callbacks */
714 typedef struct tlsextctx_st {
715    char * servername;
716    BIO * biodebug;
717    int extension_error;
718 } tlsextctx;
719
720
721 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
722         {
723         tlsextctx * p = (tlsextctx *) arg;
724         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
725         if (servername && p->biodebug) 
726                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
727         
728         if (!p->servername)
729                 return SSL_TLSEXT_ERR_NOACK;
730         
731         if (servername)
732                 {
733                 if (strcasecmp(servername,p->servername)) 
734                         return p->extension_error;
735                 if (ctx2)
736                         {
737                         BIO_printf(p->biodebug,"Switching server context.\n");
738                         SSL_set_SSL_CTX(s,ctx2);
739                         }     
740                 }
741         return SSL_TLSEXT_ERR_OK;
742 }
743
744 /* Structure passed to cert status callback */
745
746 typedef struct tlsextstatusctx_st {
747    /* Default responder to use */
748    char *host, *path, *port;
749    int use_ssl;
750    int timeout;
751    BIO *err;
752    int verbose;
753 } tlsextstatusctx;
754
755 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
756
757 /* Certificate Status callback. This is called when a client includes a
758  * certificate status request extension.
759  *
760  * This is a simplified version. It examines certificates each time and
761  * makes one OCSP responder query for each request.
762  *
763  * A full version would store details such as the OCSP certificate IDs and
764  * minimise the number of OCSP responses by caching them until they were
765  * considered "expired".
766  */
767
768 static int cert_status_cb(SSL *s, void *arg)
769         {
770         tlsextstatusctx *srctx = arg;
771         BIO *err = srctx->err;
772         char *host, *port, *path;
773         int use_ssl;
774         unsigned char *rspder = NULL;
775         int rspderlen;
776         STACK_OF(OPENSSL_STRING) *aia = NULL;
777         X509 *x = NULL;
778         X509_STORE_CTX inctx;
779         X509_OBJECT obj;
780         OCSP_REQUEST *req = NULL;
781         OCSP_RESPONSE *resp = NULL;
782         OCSP_CERTID *id = NULL;
783         STACK_OF(X509_EXTENSION) *exts;
784         int ret = SSL_TLSEXT_ERR_NOACK;
785         int i;
786 #if 0
787 STACK_OF(OCSP_RESPID) *ids;
788 SSL_get_tlsext_status_ids(s, &ids);
789 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
790 #endif
791         if (srctx->verbose)
792                 BIO_puts(err, "cert_status: callback called\n");
793         /* Build up OCSP query from server certificate */
794         x = SSL_get_certificate(s);
795         aia = X509_get1_ocsp(x);
796         if (aia)
797                 {
798                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
799                         &host, &port, &path, &use_ssl))
800                         {
801                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
802                         goto err;
803                         }
804                 if (srctx->verbose)
805                         BIO_printf(err, "cert_status: AIA URL: %s\n",
806                                         sk_OPENSSL_STRING_value(aia, 0));
807                 }
808         else
809                 {
810                 if (!srctx->host)
811                         {
812                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
813                         goto done;
814                         }
815                 host = srctx->host;
816                 path = srctx->path;
817                 port = srctx->port;
818                 use_ssl = srctx->use_ssl;
819                 }
820                 
821         if (!X509_STORE_CTX_init(&inctx,
822                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
823                                 NULL, NULL))
824                 goto err;
825         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
826                                 X509_get_issuer_name(x),&obj) <= 0)
827                 {
828                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
829                 X509_STORE_CTX_cleanup(&inctx);
830                 goto done;
831                 }
832         req = OCSP_REQUEST_new();
833         if (!req)
834                 goto err;
835         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
836         X509_free(obj.data.x509);
837         X509_STORE_CTX_cleanup(&inctx);
838         if (!id)
839                 goto err;
840         if (!OCSP_request_add0_id(req, id))
841                 goto err;
842         id = NULL;
843         /* Add any extensions to the request */
844         SSL_get_tlsext_status_exts(s, &exts);
845         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
846                 {
847                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
848                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
849                         goto err;
850                 }
851         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
852                                         srctx->timeout);
853         if (!resp)
854                 {
855                 BIO_puts(err, "cert_status: error querying responder\n");
856                 goto done;
857                 }
858         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
859         if (rspderlen <= 0)
860                 goto err;
861         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
862         if (srctx->verbose)
863                 {
864                 BIO_puts(err, "cert_status: ocsp response sent:\n");
865                 OCSP_RESPONSE_print(err, resp, 2);
866                 }
867         ret = SSL_TLSEXT_ERR_OK;
868         done:
869         if (ret != SSL_TLSEXT_ERR_OK)
870                 ERR_print_errors(err);
871         if (aia)
872                 {
873                 OPENSSL_free(host);
874                 OPENSSL_free(path);
875                 OPENSSL_free(port);
876                 X509_email_free(aia);
877                 }
878         if (id)
879                 OCSP_CERTID_free(id);
880         if (req)
881                 OCSP_REQUEST_free(req);
882         if (resp)
883                 OCSP_RESPONSE_free(resp);
884         return ret;
885         err:
886         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
887         goto done;
888         }
889
890 # ifndef OPENSSL_NO_NEXTPROTONEG
891 /* This is the context that we pass to next_proto_cb */
892 typedef struct tlsextnextprotoctx_st {
893         unsigned char *data;
894         unsigned int len;
895 } tlsextnextprotoctx;
896
897 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
898         {
899         tlsextnextprotoctx *next_proto = arg;
900
901         *data = next_proto->data;
902         *len = next_proto->len;
903
904         return SSL_TLSEXT_ERR_OK;
905         }
906 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
907
908 /* This the context that we pass to alpn_cb */
909 typedef struct tlsextalpnctx_st {
910         unsigned char *data;
911         unsigned short len;
912 } tlsextalpnctx;
913
914 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
915         {
916         tlsextalpnctx *alpn_ctx = arg;
917
918         if (!s_quiet)
919                 {
920                 /* We can assume that |in| is syntactically valid. */
921                 unsigned i;
922                 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
923                 for (i = 0; i < inlen; )
924                         {
925                         if (i)
926                                 BIO_write(bio_s_out, ", ", 2);
927                         BIO_write(bio_s_out, &in[i + 1], in[i]);
928                         i += in[i] + 1;
929                         }
930                 BIO_write(bio_s_out, "\n", 1);
931                 }
932
933         if (SSL_select_next_proto((unsigned char**) out, outlen, alpn_ctx->data, alpn_ctx->len, in, inlen) !=
934             OPENSSL_NPN_NEGOTIATED)
935                 {
936                 return SSL_TLSEXT_ERR_NOACK;
937                 }
938
939         if (!s_quiet)
940                 {
941                 BIO_printf(bio_s_out, "ALPN protocols selected: ");
942                 BIO_write(bio_s_out, *out, *outlen);
943                 BIO_write(bio_s_out, "\n", 1);
944                 }
945
946         return SSL_TLSEXT_ERR_OK;
947         }
948 #endif  /* ndef OPENSSL_NO_TLSEXT */
949
950 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
951         {
952         /* disable resumption for sessions with forward secure ciphers */
953         return is_forward_secure;
954         }
955
956 int MAIN(int, char **);
957
958 #ifndef OPENSSL_NO_JPAKE
959 static char *jpake_secret = NULL;
960 #define no_jpake !jpake_secret
961 #else
962 #define no_jpake 1
963 #endif
964 #ifndef OPENSSL_NO_SRP
965         static srpsrvparm srp_callback_parm;
966 #endif
967 #ifndef OPENSSL_NO_SRTP
968 static char *srtp_profiles = NULL;
969 #endif
970
971 int MAIN(int argc, char *argv[])
972         {
973         X509_VERIFY_PARAM *vpm = NULL;
974         int badarg = 0;
975         short port=PORT;
976         const char *unix_path=NULL;
977 #ifndef NO_SYS_UN_H
978         int unlink_unix_path=0;
979 #endif
980         int (*server_cb)(char *hostname, int s, int stype, unsigned char *context);
981         char *CApath=NULL,*CAfile=NULL;
982         char *chCApath=NULL,*chCAfile=NULL;
983         char *vfyCApath=NULL,*vfyCAfile=NULL;
984         unsigned char *context = NULL;
985         char *dhfile = NULL;
986         int badop=0;
987         int ret=1;
988         int build_chain = 0;
989         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
990         int state=0;
991         const SSL_METHOD *meth=NULL;
992         int socket_type=SOCK_STREAM;
993         ENGINE *e=NULL;
994         char *inrand=NULL;
995         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
996         char *passarg = NULL, *pass = NULL;
997         char *dpassarg = NULL, *dpass = NULL;
998         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
999         X509 *s_cert = NULL, *s_dcert = NULL;
1000         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
1001         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
1002         int no_cache = 0, ext_cache = 0;
1003         int rev = 0, naccept = -1;
1004         int sdebug = 0;
1005 #ifndef OPENSSL_NO_TLSEXT
1006         EVP_PKEY *s_key2 = NULL;
1007         X509 *s_cert2 = NULL;
1008         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
1009 # ifndef OPENSSL_NO_NEXTPROTONEG
1010         const char *next_proto_neg_in = NULL;
1011         tlsextnextprotoctx next_proto = { NULL, 0};
1012 # endif
1013         const char *alpn_in = NULL;
1014         tlsextalpnctx alpn_ctx = { NULL, 0};
1015 #endif
1016 #ifndef OPENSSL_NO_PSK
1017         /* by default do not send a PSK identity hint */
1018         static char *psk_identity_hint=NULL;
1019 #endif
1020 #ifndef OPENSSL_NO_SRP
1021         char *srpuserseed = NULL;
1022         char *srp_verifier_file = NULL;
1023 #endif
1024         SSL_EXCERT *exc = NULL;
1025         SSL_CONF_CTX *cctx = NULL;
1026         STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
1027
1028         char *crl_file = NULL;
1029         int crl_format = FORMAT_PEM;
1030         int crl_download = 0;
1031         STACK_OF(X509_CRL) *crls = NULL;
1032
1033         meth=SSLv23_server_method();
1034
1035         local_argc=argc;
1036         local_argv=argv;
1037
1038         apps_startup();
1039 #ifdef MONOLITH
1040         s_server_init();
1041 #endif
1042
1043         if (bio_err == NULL)
1044                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1045
1046         if (!load_config(bio_err, NULL))
1047                 goto end;
1048
1049         cctx = SSL_CONF_CTX_new();
1050         if (!cctx)
1051                 goto end;
1052         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER);
1053         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
1054
1055         verify_depth=0;
1056 #ifdef FIONBIO
1057         s_nbio=0;
1058 #endif
1059         s_nbio_test=0;
1060
1061         argc--;
1062         argv++;
1063
1064         while (argc >= 1)
1065                 {
1066                 if      ((strcmp(*argv,"-port") == 0) ||
1067                          (strcmp(*argv,"-accept") == 0))
1068                         {
1069                         if (--argc < 1) goto bad;
1070                         if (!extract_port(*(++argv),&port))
1071                                 goto bad;
1072                         }
1073                 else if (strcmp(*argv,"-unix") == 0)
1074                         {
1075 #ifdef NO_SYS_UN_H
1076                         BIO_printf(bio_err, "unix domain sockets unsupported\n");
1077                         goto bad;
1078 #else
1079                         if (--argc < 1) goto bad;
1080                         unix_path = *(++argv);
1081 #endif
1082                         }
1083                 else if (strcmp(*argv,"-unlink") == 0)
1084                         {
1085 #ifdef NO_SYS_UN_H
1086                         BIO_printf(bio_err, "unix domain sockets unsupported\n");
1087                         goto bad;
1088 #else
1089                         unlink_unix_path = 1;
1090 #endif
1091                         }
1092                 else if (strcmp(*argv,"-naccept") == 0)
1093                         {
1094                         if (--argc < 1) goto bad;
1095                         naccept = atol(*(++argv));
1096                         if (naccept <= 0)
1097                                 {
1098                                 BIO_printf(bio_err, "bad accept value %s\n",
1099                                                         *argv);
1100                                 goto bad;
1101                                 }
1102                         }
1103                 else if (strcmp(*argv,"-verify") == 0)
1104                         {
1105                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1106                         if (--argc < 1) goto bad;
1107                         verify_depth=atoi(*(++argv));
1108                         if (!s_quiet)
1109                                 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1110                         }
1111                 else if (strcmp(*argv,"-Verify") == 0)
1112                         {
1113                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1114                                 SSL_VERIFY_CLIENT_ONCE;
1115                         if (--argc < 1) goto bad;
1116                         verify_depth=atoi(*(++argv));
1117                         if (!s_quiet)
1118                                 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1119                         }
1120                 else if (strcmp(*argv,"-context") == 0)
1121                         {
1122                         if (--argc < 1) goto bad;
1123                         context= (unsigned char *)*(++argv);
1124                         }
1125                 else if (strcmp(*argv,"-cert") == 0)
1126                         {
1127                         if (--argc < 1) goto bad;
1128                         s_cert_file= *(++argv);
1129                         }
1130                 else if (strcmp(*argv,"-CRL") == 0)
1131                         {
1132                         if (--argc < 1) goto bad;
1133                         crl_file= *(++argv);
1134                         }
1135                 else if (strcmp(*argv,"-crl_download") == 0)
1136                         crl_download = 1;
1137 #ifndef OPENSSL_NO_TLSEXT
1138                 else if (strcmp(*argv,"-serverinfo") == 0)
1139                         {
1140                         if (--argc < 1) goto bad;
1141                         s_serverinfo_file = *(++argv);
1142                         }
1143 #endif
1144                 else if (strcmp(*argv,"-certform") == 0)
1145                         {
1146                         if (--argc < 1) goto bad;
1147                         s_cert_format = str2fmt(*(++argv));
1148                         }
1149                 else if (strcmp(*argv,"-key") == 0)
1150                         {
1151                         if (--argc < 1) goto bad;
1152                         s_key_file= *(++argv);
1153                         }
1154                 else if (strcmp(*argv,"-keyform") == 0)
1155                         {
1156                         if (--argc < 1) goto bad;
1157                         s_key_format = str2fmt(*(++argv));
1158                         }
1159                 else if (strcmp(*argv,"-pass") == 0)
1160                         {
1161                         if (--argc < 1) goto bad;
1162                         passarg = *(++argv);
1163                         }
1164                 else if (strcmp(*argv,"-cert_chain") == 0)
1165                         {
1166                         if (--argc < 1) goto bad;
1167                         s_chain_file= *(++argv);
1168                         }
1169                 else if (strcmp(*argv,"-dhparam") == 0)
1170                         {
1171                         if (--argc < 1) goto bad;
1172                         dhfile = *(++argv);
1173                         }
1174                 else if (strcmp(*argv,"-dcertform") == 0)
1175                         {
1176                         if (--argc < 1) goto bad;
1177                         s_dcert_format = str2fmt(*(++argv));
1178                         }
1179                 else if (strcmp(*argv,"-dcert") == 0)
1180                         {
1181                         if (--argc < 1) goto bad;
1182                         s_dcert_file= *(++argv);
1183                         }
1184                 else if (strcmp(*argv,"-dkeyform") == 0)
1185                         {
1186                         if (--argc < 1) goto bad;
1187                         s_dkey_format = str2fmt(*(++argv));
1188                         }
1189                 else if (strcmp(*argv,"-dpass") == 0)
1190                         {
1191                         if (--argc < 1) goto bad;
1192                         dpassarg = *(++argv);
1193                         }
1194                 else if (strcmp(*argv,"-dkey") == 0)
1195                         {
1196                         if (--argc < 1) goto bad;
1197                         s_dkey_file= *(++argv);
1198                         }
1199                 else if (strcmp(*argv,"-dcert_chain") == 0)
1200                         {
1201                         if (--argc < 1) goto bad;
1202                         s_dchain_file= *(++argv);
1203                         }
1204                 else if (strcmp(*argv,"-nocert") == 0)
1205                         {
1206                         nocert=1;
1207                         }
1208                 else if (strcmp(*argv,"-CApath") == 0)
1209                         {
1210                         if (--argc < 1) goto bad;
1211                         CApath= *(++argv);
1212                         }
1213                 else if (strcmp(*argv,"-chainCApath") == 0)
1214                         {
1215                         if (--argc < 1) goto bad;
1216                         chCApath= *(++argv);
1217                         }
1218                 else if (strcmp(*argv,"-verifyCApath") == 0)
1219                         {
1220                         if (--argc < 1) goto bad;
1221                         vfyCApath= *(++argv);
1222                         }
1223                 else if (strcmp(*argv,"-no_cache") == 0)
1224                         no_cache = 1;
1225                 else if (strcmp(*argv,"-ext_cache") == 0)
1226                         ext_cache = 1;
1227                 else if (strcmp(*argv,"-CRLform") == 0)
1228                         {
1229                         if (--argc < 1) goto bad;
1230                         crl_format = str2fmt(*(++argv));
1231                         }
1232                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1233                         {
1234                         if (badarg)
1235                                 goto bad;
1236                         continue;
1237                         }
1238                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1239                         {
1240                         if (badarg)
1241                                 goto bad;
1242                         continue;
1243                         }
1244                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
1245                         {
1246                         if (badarg)
1247                                 goto bad;
1248                         continue;
1249                         }
1250                 else if (strcmp(*argv,"-verify_return_error") == 0)
1251                         verify_return_error = 1;
1252                 else if (strcmp(*argv,"-verify_quiet") == 0)
1253                         verify_quiet = 1;
1254                 else if (strcmp(*argv,"-build_chain") == 0)
1255                         build_chain = 1;
1256                 else if (strcmp(*argv,"-CAfile") == 0)
1257                         {
1258                         if (--argc < 1) goto bad;
1259                         CAfile= *(++argv);
1260                         }
1261                 else if (strcmp(*argv,"-chainCAfile") == 0)
1262                         {
1263                         if (--argc < 1) goto bad;
1264                         chCAfile= *(++argv);
1265                         }
1266                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1267                         {
1268                         if (--argc < 1) goto bad;
1269                         vfyCAfile= *(++argv);
1270                         }
1271 #ifdef FIONBIO  
1272                 else if (strcmp(*argv,"-nbio") == 0)
1273                         { s_nbio=1; }
1274 #endif
1275                 else if (strcmp(*argv,"-nbio_test") == 0)
1276                         {
1277 #ifdef FIONBIO  
1278                         s_nbio=1;
1279 #endif
1280                         s_nbio_test=1;
1281                         }
1282                 else if (strcmp(*argv,"-ign_eof") == 0)
1283                         s_ign_eof=1;
1284                 else if (strcmp(*argv,"-no_ign_eof") == 0)
1285                         s_ign_eof=0;
1286                 else if (strcmp(*argv,"-debug") == 0)
1287                         { s_debug=1; }
1288 #ifndef OPENSSL_NO_TLSEXT
1289                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1290                         s_tlsextdebug=1;
1291                 else if (strcmp(*argv,"-status") == 0)
1292                         s_tlsextstatus=1;
1293                 else if (strcmp(*argv,"-status_verbose") == 0)
1294                         {
1295                         s_tlsextstatus=1;
1296                         tlscstatp.verbose = 1;
1297                         }
1298                 else if (!strcmp(*argv, "-status_timeout"))
1299                         {
1300                         s_tlsextstatus=1;
1301                         if (--argc < 1) goto bad;
1302                         tlscstatp.timeout = atoi(*(++argv));
1303                         }
1304                 else if (!strcmp(*argv, "-status_url"))
1305                         {
1306                         s_tlsextstatus=1;
1307                         if (--argc < 1) goto bad;
1308                         if (!OCSP_parse_url(*(++argv),
1309                                         &tlscstatp.host,
1310                                         &tlscstatp.port,
1311                                         &tlscstatp.path,
1312                                         &tlscstatp.use_ssl))
1313                                 {
1314                                 BIO_printf(bio_err, "Error parsing URL\n");
1315                                 goto bad;
1316                                 }
1317                         }
1318 #endif
1319                 else if (strcmp(*argv,"-msg") == 0)
1320                         { s_msg=1; }
1321                 else if (strcmp(*argv,"-msgfile") == 0)
1322                         {
1323                         if (--argc < 1) goto bad;
1324                         bio_s_msg = BIO_new_file(*(++argv), "w");
1325                         }
1326 #ifndef OPENSSL_NO_SSL_TRACE
1327                 else if (strcmp(*argv,"-trace") == 0)
1328                         { s_msg=2; }
1329 #endif
1330                 else if (strcmp(*argv,"-security_debug") == 0)
1331                         { sdebug=1; }
1332                 else if (strcmp(*argv,"-security_debug_verbose") == 0)
1333                         { sdebug=2; }
1334                 else if (strcmp(*argv,"-hack") == 0)
1335                         { hack=1; }
1336                 else if (strcmp(*argv,"-state") == 0)
1337                         { state=1; }
1338                 else if (strcmp(*argv,"-crlf") == 0)
1339                         { s_crlf=1; }
1340                 else if (strcmp(*argv,"-quiet") == 0)
1341                         { s_quiet=1; }
1342                 else if (strcmp(*argv,"-brief") == 0)
1343                         {
1344                         s_quiet=1;
1345                         s_brief=1;
1346                         verify_quiet=1;
1347                         }
1348                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1349                         { no_tmp_rsa=1; }
1350                 else if (strcmp(*argv,"-no_dhe") == 0)
1351                         { no_dhe=1; }
1352                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1353                         { no_ecdhe=1; }
1354                 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1355                         { no_resume_ephemeral = 1; }
1356 #ifndef OPENSSL_NO_PSK
1357                 else if (strcmp(*argv,"-psk_hint") == 0)
1358                         {
1359                         if (--argc < 1) goto bad;
1360                         psk_identity_hint= *(++argv);
1361                         }
1362                 else if (strcmp(*argv,"-psk") == 0)
1363                         {
1364                         size_t i;
1365
1366                         if (--argc < 1) goto bad;
1367                         psk_key=*(++argv);
1368                         for (i=0; i<strlen(psk_key); i++)
1369                                 {
1370                                 if (isxdigit((unsigned char)psk_key[i]))
1371                                         continue;
1372                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1373                                 goto bad;
1374                                 }
1375                         }
1376 #endif
1377 #ifndef OPENSSL_NO_SRP
1378                 else if (strcmp(*argv, "-srpvfile") == 0)
1379                         {
1380                         if (--argc < 1) goto bad;
1381                         srp_verifier_file = *(++argv);
1382                         meth = TLSv1_server_method();
1383                         }
1384                 else if (strcmp(*argv, "-srpuserseed") == 0)
1385                         {
1386                         if (--argc < 1) goto bad;
1387                         srpuserseed = *(++argv);
1388                         meth = TLSv1_server_method();
1389                         }
1390 #endif
1391                 else if (strcmp(*argv,"-rev") == 0)
1392                         { rev=1; }
1393                 else if (strcmp(*argv,"-www") == 0)
1394                         { www=1; }
1395                 else if (strcmp(*argv,"-WWW") == 0)
1396                         { www=2; }
1397                 else if (strcmp(*argv,"-HTTP") == 0)
1398                         { www=3; }
1399 #ifndef OPENSSL_NO_SSL3_METHOD
1400                 else if (strcmp(*argv,"-ssl3") == 0)
1401                         { meth=SSLv3_server_method(); }
1402 #endif
1403 #ifndef OPENSSL_NO_TLS1
1404                 else if (strcmp(*argv,"-tls1") == 0)
1405                         { meth=TLSv1_server_method(); }
1406                 else if (strcmp(*argv,"-tls1_1") == 0)
1407                         { meth=TLSv1_1_server_method(); }
1408                 else if (strcmp(*argv,"-tls1_2") == 0)
1409                         { meth=TLSv1_2_server_method(); }
1410 #endif
1411 #ifndef OPENSSL_NO_DTLS1
1412                 else if (strcmp(*argv,"-dtls") == 0)
1413                         { 
1414                         meth=DTLS_server_method();
1415                         socket_type = SOCK_DGRAM;
1416                         }
1417                 else if (strcmp(*argv,"-dtls1") == 0)
1418                         { 
1419                         meth=DTLSv1_server_method();
1420                         socket_type = SOCK_DGRAM;
1421                         }
1422                 else if (strcmp(*argv,"-dtls1_2") == 0)
1423                         { 
1424                         meth=DTLSv1_2_server_method();
1425                         socket_type = SOCK_DGRAM;
1426                         }
1427                 else if (strcmp(*argv,"-timeout") == 0)
1428                         enable_timeouts = 1;
1429                 else if (strcmp(*argv,"-mtu") == 0)
1430                         {
1431                         if (--argc < 1) goto bad;
1432                         socket_mtu = atol(*(++argv));
1433                         }
1434                 else if (strcmp(*argv, "-chain") == 0)
1435                         cert_chain = 1;
1436 #endif
1437                 else if (strcmp(*argv, "-id_prefix") == 0)
1438                         {
1439                         if (--argc < 1) goto bad;
1440                         session_id_prefix = *(++argv);
1441                         }
1442 #ifndef OPENSSL_NO_ENGINE
1443                 else if (strcmp(*argv,"-engine") == 0)
1444                         {
1445                         if (--argc < 1) goto bad;
1446                         engine_id= *(++argv);
1447                         }
1448 #endif
1449                 else if (strcmp(*argv,"-rand") == 0)
1450                         {
1451                         if (--argc < 1) goto bad;
1452                         inrand= *(++argv);
1453                         }
1454 #ifndef OPENSSL_NO_TLSEXT
1455                 else if (strcmp(*argv,"-servername") == 0)
1456                         {
1457                         if (--argc < 1) goto bad;
1458                         tlsextcbp.servername= *(++argv);
1459                         }
1460                 else if (strcmp(*argv,"-servername_fatal") == 0)
1461                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1462                 else if (strcmp(*argv,"-cert2") == 0)
1463                         {
1464                         if (--argc < 1) goto bad;
1465                         s_cert_file2= *(++argv);
1466                         }
1467                 else if (strcmp(*argv,"-key2") == 0)
1468                         {
1469                         if (--argc < 1) goto bad;
1470                         s_key_file2= *(++argv);
1471                         }
1472 # ifndef OPENSSL_NO_NEXTPROTONEG
1473                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1474                         {
1475                         if (--argc < 1) goto bad;
1476                         next_proto_neg_in = *(++argv);
1477                         }
1478 # endif
1479                 else if (strcmp(*argv,"-alpn") == 0)
1480                         {
1481                         if (--argc < 1) goto bad;
1482                         alpn_in = *(++argv);
1483                         }
1484 #endif
1485 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1486                 else if (strcmp(*argv,"-jpake") == 0)
1487                         {
1488                         if (--argc < 1) goto bad;
1489                         jpake_secret = *(++argv);
1490                         }
1491 #endif
1492 #ifndef OPENSSL_NO_SRTP
1493                 else if (strcmp(*argv,"-use_srtp") == 0)
1494                         {
1495                         if (--argc < 1) goto bad;
1496                         srtp_profiles = *(++argv);
1497                         }
1498 #endif
1499                 else if (strcmp(*argv,"-keymatexport") == 0)
1500                         {
1501                         if (--argc < 1) goto bad;
1502                         keymatexportlabel= *(++argv);
1503                         }
1504                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1505                         {
1506                         if (--argc < 1) goto bad;
1507                         keymatexportlen=atoi(*(++argv));
1508                         if (keymatexportlen == 0) goto bad;
1509                         }
1510                 else
1511                         {
1512                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1513                         badop=1;
1514                         break;
1515                         }
1516                 argc--;
1517                 argv++;
1518                 }
1519         if (badop)
1520                 {
1521 bad:
1522                 sv_usage();
1523                 goto end;
1524                 }
1525 #ifndef OPENSSL_NO_DTLS1
1526         if (www && socket_type == SOCK_DGRAM)
1527                 {
1528                 BIO_printf(bio_err,
1529                                 "Can't use -HTTP, -www or -WWW with DTLS\n");
1530                 goto end;
1531                 }
1532 #endif
1533
1534         if (unix_path && (socket_type != SOCK_STREAM))
1535                 {
1536                 BIO_printf(bio_err, "Can't use unix sockets and datagrams together\n");
1537                         goto end;
1538                 }
1539 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1540         if (jpake_secret)
1541                 {
1542                 if (psk_key)
1543                         {
1544                         BIO_printf(bio_err,
1545                                    "Can't use JPAKE and PSK together\n");
1546                         goto end;
1547                         }
1548                 psk_identity = "JPAKE";
1549                 }
1550 #endif
1551
1552         SSL_load_error_strings();
1553         OpenSSL_add_ssl_algorithms();
1554
1555 #ifndef OPENSSL_NO_ENGINE
1556         e = setup_engine(bio_err, engine_id, 1);
1557 #endif
1558
1559         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1560                 {
1561                 BIO_printf(bio_err, "Error getting password\n");
1562                 goto end;
1563                 }
1564
1565
1566         if (s_key_file == NULL)
1567                 s_key_file = s_cert_file;
1568 #ifndef OPENSSL_NO_TLSEXT
1569         if (s_key_file2 == NULL)
1570                 s_key_file2 = s_cert_file2;
1571 #endif
1572
1573         if (!load_excert(&exc, bio_err))
1574                 goto end;
1575
1576         if (nocert == 0)
1577                 {
1578                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1579                        "server certificate private key file");
1580                 if (!s_key)
1581                         {
1582                         ERR_print_errors(bio_err);
1583                         goto end;
1584                         }
1585
1586                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1587                         NULL, e, "server certificate file");
1588
1589                 if (!s_cert)
1590                         {
1591                         ERR_print_errors(bio_err);
1592                         goto end;
1593                         }
1594                 if (s_chain_file)
1595                         {
1596                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1597                                         NULL, e, "server certificate chain");
1598                         if (!s_chain)
1599                                 goto end;
1600                         }
1601
1602 #ifndef OPENSSL_NO_TLSEXT
1603                 if (tlsextcbp.servername) 
1604                         {
1605                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1606                                 "second server certificate private key file");
1607                         if (!s_key2)
1608                                 {
1609                                 ERR_print_errors(bio_err);
1610                                 goto end;
1611                                 }
1612                         
1613                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1614                                 NULL, e, "second server certificate file");
1615                         
1616                         if (!s_cert2)
1617                                 {
1618                                 ERR_print_errors(bio_err);
1619                                 goto end;
1620                                 }
1621                         }
1622 #endif /* OPENSSL_NO_TLSEXT */
1623                 }
1624
1625 #if !defined(OPENSSL_NO_TLSEXT)
1626 # if !defined(OPENSSL_NO_NEXTPROTONEG) 
1627         if (next_proto_neg_in)
1628                 {
1629                 unsigned short len;
1630                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1631                 if (next_proto.data == NULL)
1632                         goto end;
1633                 next_proto.len = len;
1634                 }
1635         else
1636                 {
1637                 next_proto.data = NULL;
1638                 }
1639 # endif
1640         alpn_ctx.data = NULL;
1641         if (alpn_in)
1642                 {
1643                 unsigned short len;
1644                 alpn_ctx.data = next_protos_parse(&len, alpn_in);
1645                 if (alpn_ctx.data == NULL)
1646                         goto end;
1647                 alpn_ctx.len = len;
1648                 }
1649 #endif
1650
1651         if (crl_file)
1652                 {
1653                 X509_CRL *crl;
1654                 crl = load_crl(crl_file, crl_format);
1655                 if (!crl)
1656                         {
1657                         BIO_puts(bio_err, "Error loading CRL\n");
1658                         ERR_print_errors(bio_err);
1659                         goto end;
1660                         }
1661                 crls = sk_X509_CRL_new_null();
1662                 if (!crls || !sk_X509_CRL_push(crls, crl))
1663                         {
1664                         BIO_puts(bio_err, "Error adding CRL\n");
1665                         ERR_print_errors(bio_err);
1666                         X509_CRL_free(crl);
1667                         goto end;
1668                         }
1669                 }
1670
1671
1672         if (s_dcert_file)
1673                 {
1674
1675                 if (s_dkey_file == NULL)
1676                         s_dkey_file = s_dcert_file;
1677
1678                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1679                                 0, dpass, e,
1680                                "second certificate private key file");
1681                 if (!s_dkey)
1682                         {
1683                         ERR_print_errors(bio_err);
1684                         goto end;
1685                         }
1686
1687                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1688                                 NULL, e, "second server certificate file");
1689
1690                 if (!s_dcert)
1691                         {
1692                         ERR_print_errors(bio_err);
1693                         goto end;
1694                         }
1695                 if (s_dchain_file)
1696                         {
1697                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1698                                 NULL, e, "second server certificate chain");
1699                         if (!s_dchain)
1700                                 goto end;
1701                         }
1702
1703                 }
1704
1705         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1706                 && !RAND_status())
1707                 {
1708                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1709                 }
1710         if (inrand != NULL)
1711                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1712                         app_RAND_load_files(inrand));
1713
1714         if (bio_s_out == NULL)
1715                 {
1716                 if (s_quiet && !s_debug)
1717                         {
1718                         bio_s_out=BIO_new(BIO_s_null());
1719                         if (s_msg && !bio_s_msg)
1720                                 bio_s_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1721                         }
1722                 else
1723                         {
1724                         if (bio_s_out == NULL)
1725                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1726                         }
1727                 }
1728
1729 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1730         if (nocert)
1731 #endif
1732                 {
1733                 s_cert_file=NULL;
1734                 s_key_file=NULL;
1735                 s_dcert_file=NULL;
1736                 s_dkey_file=NULL;
1737 #ifndef OPENSSL_NO_TLSEXT
1738                 s_cert_file2=NULL;
1739                 s_key_file2=NULL;
1740 #endif
1741                 }
1742
1743         ctx=SSL_CTX_new(meth);
1744         if (sdebug)
1745                 ssl_ctx_security_debug(ctx, bio_err, sdebug);
1746         if (ctx == NULL)
1747                 {
1748                 ERR_print_errors(bio_err);
1749                 goto end;
1750                 }
1751         if (session_id_prefix)
1752                 {
1753                 if(strlen(session_id_prefix) >= 32)
1754                         BIO_printf(bio_err,
1755 "warning: id_prefix is too long, only one new session will be possible\n");
1756                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1757                         {
1758                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1759                         ERR_print_errors(bio_err);
1760                         goto end;
1761                         }
1762                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1763                 }
1764         SSL_CTX_set_quiet_shutdown(ctx,1);
1765         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1766         if (exc) ssl_ctx_set_excert(ctx, exc);
1767         /* DTLS: partial reads end up discarding unread UDP bytes :-( 
1768          * Setting read ahead solves this problem.
1769          */
1770         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1771
1772         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1773         if (no_cache)
1774                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1775         else if (ext_cache)
1776                 init_session_cache_ctx(ctx);
1777         else
1778                 SSL_CTX_sess_set_cache_size(ctx,128);
1779
1780 #ifndef OPENSSL_NO_SRTP
1781         if (srtp_profiles != NULL)
1782                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1783 #endif
1784
1785 #if 0
1786         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1787 #endif
1788
1789 #if 0
1790         if (s_cert_file == NULL)
1791                 {
1792                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1793                 goto end;
1794                 }
1795 #endif
1796
1797         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1798                 (!SSL_CTX_set_default_verify_paths(ctx)))
1799                 {
1800                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1801                 ERR_print_errors(bio_err);
1802                 /* goto end; */
1803                 }
1804         if (vpm)
1805                 SSL_CTX_set1_param(ctx, vpm);
1806
1807         ssl_ctx_add_crls(ctx, crls, 0);
1808         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1809                 goto end;
1810
1811         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1812                                                 crls, crl_download))
1813                 {
1814                 BIO_printf(bio_err, "Error loading store locations\n");
1815                 ERR_print_errors(bio_err);
1816                 goto end;
1817                 }
1818
1819 #ifndef OPENSSL_NO_TLSEXT
1820         if (s_cert2)
1821                 {
1822                 ctx2=SSL_CTX_new(meth);
1823                 if (ctx2 == NULL)
1824                         {
1825                         ERR_print_errors(bio_err);
1826                         goto end;
1827                         }
1828                 }
1829         
1830         if (ctx2)
1831                 {
1832                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1833
1834                 if (sdebug)
1835                         ssl_ctx_security_debug(ctx, bio_err, sdebug);
1836
1837                 if (session_id_prefix)
1838                         {
1839                         if(strlen(session_id_prefix) >= 32)
1840                                 BIO_printf(bio_err,
1841                                         "warning: id_prefix is too long, only one new session will be possible\n");
1842                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1843                                 {
1844                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1845                                 ERR_print_errors(bio_err);
1846                                 goto end;
1847                                 }
1848                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1849                         }
1850                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1851                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1852                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1853                 /* DTLS: partial reads end up discarding unread UDP bytes :-( 
1854                  * Setting read ahead solves this problem.
1855                  */
1856                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1857
1858                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1859
1860                 if (no_cache)
1861                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1862                 else if (ext_cache)
1863                         init_session_cache_ctx(ctx2);
1864                 else
1865                         SSL_CTX_sess_set_cache_size(ctx2,128);
1866
1867                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1868                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1869                         {
1870                         ERR_print_errors(bio_err);
1871                         }
1872                 if (vpm)
1873                         SSL_CTX_set1_param(ctx2, vpm);
1874
1875                 ssl_ctx_add_crls(ctx2, crls, 0);
1876                 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1877                         goto end;
1878                 }
1879
1880 # ifndef OPENSSL_NO_NEXTPROTONEG
1881         if (next_proto.data)
1882                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1883 # endif
1884         if (alpn_ctx.data)
1885                 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1886 #endif 
1887
1888 #ifndef OPENSSL_NO_DH
1889         if (!no_dhe)
1890                 {
1891                 DH *dh=NULL;
1892
1893                 if (dhfile)
1894                         dh = load_dh_param(dhfile);
1895                 else if (s_cert_file)
1896                         dh = load_dh_param(s_cert_file);
1897
1898                 if (dh != NULL)
1899                         {
1900                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1901                         }
1902                 else
1903                         {
1904                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1905                         }
1906                 (void)BIO_flush(bio_s_out);
1907
1908                 if (dh == NULL)
1909                         SSL_CTX_set_dh_auto(ctx, 1);
1910                 else if (!SSL_CTX_set_tmp_dh(ctx,dh))
1911                         {
1912                         BIO_puts(bio_err, "Error setting temp DH parameters\n");
1913                         ERR_print_errors(bio_err);
1914                         DH_free(dh);
1915                         goto end;
1916                         }
1917 #ifndef OPENSSL_NO_TLSEXT
1918                 if (ctx2)
1919                         {
1920                         if (!dhfile)
1921                                 { 
1922                                 DH *dh2=load_dh_param(s_cert_file2);
1923                                 if (dh2 != NULL)
1924                                         {
1925                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1926                                         (void)BIO_flush(bio_s_out);
1927
1928                                         DH_free(dh);
1929                                         dh = dh2;
1930                                         }
1931                                 }
1932                         if (dh == NULL)
1933                                 SSL_CTX_set_dh_auto(ctx2, 1);
1934                         else if (!SSL_CTX_set_tmp_dh(ctx2,dh))
1935                                 {
1936                                 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1937                                 ERR_print_errors(bio_err);
1938                                 DH_free(dh);
1939                                 goto end;
1940                                 }
1941                         }
1942 #endif
1943                 DH_free(dh);
1944                 }
1945 #endif
1946
1947         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1948                 goto end;
1949 #ifndef OPENSSL_NO_TLSEXT
1950         if (s_serverinfo_file != NULL
1951             && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file))
1952                 {
1953                 ERR_print_errors(bio_err);
1954                 goto end;
1955                 }
1956 #endif
1957 #ifndef OPENSSL_NO_TLSEXT
1958         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1959                 goto end; 
1960 #endif
1961         if (s_dcert != NULL)
1962                 {
1963                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1964                         goto end;
1965                 }
1966
1967 #ifndef OPENSSL_NO_RSA
1968 #if 1
1969         if (!no_tmp_rsa)
1970                 {
1971                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1972 #ifndef OPENSSL_NO_TLSEXT
1973                 if (ctx2) 
1974                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1975 #endif          
1976                 }
1977 #else
1978         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1979                 {
1980                 RSA *rsa;
1981
1982                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1983                 BIO_flush(bio_s_out);
1984
1985                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1986
1987                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1988                         {
1989                         ERR_print_errors(bio_err);
1990                         goto end;
1991                         }
1992 #ifndef OPENSSL_NO_TLSEXT
1993                         if (ctx2)
1994                                 {
1995                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1996                                         {
1997                                         ERR_print_errors(bio_err);
1998                                         goto end;
1999                                         }
2000                                 }
2001 #endif
2002                 RSA_free(rsa);
2003                 BIO_printf(bio_s_out,"\n");
2004                 }
2005 #endif
2006 #endif
2007
2008         if (no_resume_ephemeral)
2009                 {
2010                 SSL_CTX_set_not_resumable_session_callback(ctx, not_resumable_sess_cb);
2011 #ifndef OPENSSL_NO_TLSEXT
2012                 if (ctx2)
2013                         SSL_CTX_set_not_resumable_session_callback(ctx2, not_resumable_sess_cb);
2014 #endif
2015                 }
2016
2017 #ifndef OPENSSL_NO_PSK
2018 #ifdef OPENSSL_NO_JPAKE
2019         if (psk_key != NULL)
2020 #else
2021         if (psk_key != NULL || jpake_secret)
2022 #endif
2023                 {
2024                 if (s_debug)
2025                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
2026                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2027                 }
2028
2029         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
2030                 {
2031                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
2032                 ERR_print_errors(bio_err);
2033                 goto end;
2034                 }
2035 #endif
2036
2037         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
2038         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
2039                 sizeof s_server_session_id_context);
2040
2041         /* Set DTLS cookie generation and verification callbacks */
2042         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2043         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2044
2045 #ifndef OPENSSL_NO_TLSEXT
2046         if (ctx2)
2047                 {
2048                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
2049                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
2050                         sizeof s_server_session_id_context);
2051
2052                 tlsextcbp.biodebug = bio_s_out;
2053                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2054                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2055                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2056                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2057                 }
2058 #endif
2059
2060 #ifndef OPENSSL_NO_SRP
2061         if (srp_verifier_file != NULL)
2062                 {
2063                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2064                 srp_callback_parm.user = NULL;
2065                 srp_callback_parm.login = NULL;
2066                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
2067                         {
2068                         BIO_printf(bio_err,
2069                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2070                                    srp_verifier_file, ret);
2071                                 goto end;
2072                         }
2073                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
2074                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);                        
2075                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2076                 }
2077         else
2078 #endif
2079         if (CAfile != NULL)
2080                 {
2081                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
2082 #ifndef OPENSSL_NO_TLSEXT
2083                 if (ctx2) 
2084                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
2085 #endif
2086                 }
2087
2088         BIO_printf(bio_s_out,"ACCEPT\n");
2089         (void)BIO_flush(bio_s_out);
2090         if (rev)
2091                 server_cb = rev_body;
2092         else if (www)
2093                 server_cb = www_body;
2094         else
2095                 server_cb = sv_body;
2096 #ifndef NO_SYS_UN_H
2097         if (unix_path)
2098                 {
2099                 if (unlink_unix_path)
2100                         unlink(unix_path);
2101                 do_server_unix(unix_path,&accept_socket,server_cb, context, naccept);
2102                 }
2103         else
2104 #endif
2105                 do_server(port,socket_type,&accept_socket,server_cb, context, naccept);
2106         print_stats(bio_s_out,ctx);
2107         ret=0;
2108 end:
2109         if (ctx != NULL) SSL_CTX_free(ctx);
2110         if (s_cert)
2111                 X509_free(s_cert);
2112         if (crls)
2113                 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2114         if (s_dcert)
2115                 X509_free(s_dcert);
2116         if (s_key)
2117                 EVP_PKEY_free(s_key);
2118         if (s_dkey)
2119                 EVP_PKEY_free(s_dkey);
2120         if (s_chain)
2121                 sk_X509_pop_free(s_chain, X509_free);
2122         if (s_dchain)
2123                 sk_X509_pop_free(s_dchain, X509_free);
2124         if (pass)
2125                 OPENSSL_free(pass);
2126         if (dpass)
2127                 OPENSSL_free(dpass);
2128         if (vpm)
2129                 X509_VERIFY_PARAM_free(vpm);
2130         free_sessions();
2131 #ifndef OPENSSL_NO_TLSEXT
2132         if (tlscstatp.host)
2133                 OPENSSL_free(tlscstatp.host);
2134         if (tlscstatp.port)
2135                 OPENSSL_free(tlscstatp.port);
2136         if (tlscstatp.path)
2137                 OPENSSL_free(tlscstatp.path);
2138         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2139         if (s_cert2)
2140                 X509_free(s_cert2);
2141         if (s_key2)
2142                 EVP_PKEY_free(s_key2);
2143         if (serverinfo_in != NULL)
2144                 BIO_free(serverinfo_in);
2145 # ifndef OPENSSL_NO_NEXTPROTONEG
2146         if (next_proto.data)
2147                 OPENSSL_free(next_proto.data);
2148 # endif
2149         if (alpn_ctx.data)
2150                 OPENSSL_free(alpn_ctx.data);
2151 #endif
2152         ssl_excert_free(exc);
2153         if (ssl_args)
2154                 sk_OPENSSL_STRING_free(ssl_args);
2155         if (cctx)
2156                 SSL_CONF_CTX_free(cctx);
2157 #ifndef OPENSSL_NO_JPAKE
2158         if (jpake_secret && psk_key)
2159                 OPENSSL_free(psk_key);
2160 #endif
2161         if (bio_s_out != NULL)
2162                 {
2163                 BIO_free(bio_s_out);
2164                 bio_s_out=NULL;
2165                 }
2166         if (bio_s_msg != NULL)
2167                 {
2168                 BIO_free(bio_s_msg);
2169                 bio_s_msg = NULL;
2170                 }
2171         apps_shutdown();
2172         OPENSSL_EXIT(ret);
2173         }
2174
2175 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2176         {
2177         BIO_printf(bio,"%4ld items in the session cache\n",
2178                 SSL_CTX_sess_number(ssl_ctx));
2179         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2180                 SSL_CTX_sess_connect(ssl_ctx));
2181         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2182                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2183         BIO_printf(bio,"%4ld client connects that finished\n",
2184                 SSL_CTX_sess_connect_good(ssl_ctx));
2185         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2186                 SSL_CTX_sess_accept(ssl_ctx));
2187         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2188                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2189         BIO_printf(bio,"%4ld server accepts that finished\n",
2190                 SSL_CTX_sess_accept_good(ssl_ctx));
2191         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2192         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2193         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2194         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2195         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2196                 SSL_CTX_sess_cache_full(ssl_ctx),
2197                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2198         }
2199
2200 static int sv_body(char *hostname, int s, int stype, unsigned char *context)
2201         {
2202         char *buf=NULL;
2203         fd_set readfds;
2204         int ret=1,width;
2205         int k,i;
2206         unsigned long l;
2207         SSL *con=NULL;
2208         BIO *sbio;
2209 #ifndef OPENSSL_NO_KRB5
2210         KSSL_CTX *kctx;
2211 #endif
2212         struct timeval timeout;
2213 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2214         struct timeval tv;
2215 #else
2216         struct timeval *timeoutp;
2217 #endif
2218
2219         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2220                 {
2221                 BIO_printf(bio_err,"out of memory\n");
2222                 goto err;
2223                 }
2224 #ifdef FIONBIO  
2225         if (s_nbio)
2226                 {
2227                 unsigned long sl=1;
2228
2229                 if (!s_quiet)
2230                         BIO_printf(bio_err,"turning on non blocking io\n");
2231                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2232                         ERR_print_errors(bio_err);
2233                 }
2234 #endif
2235
2236         if (con == NULL) {
2237                 con=SSL_new(ctx);
2238 #ifndef OPENSSL_NO_TLSEXT
2239         if (s_tlsextdebug)
2240                 {
2241                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2242                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2243                 }
2244         if (s_tlsextstatus)
2245                 {
2246                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2247                 tlscstatp.err = bio_err;
2248                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2249                 }
2250 #endif
2251 #ifndef OPENSSL_NO_KRB5
2252                 if ((kctx = kssl_ctx_new()) != NULL)
2253                         {
2254                         SSL_set0_kssl_ctx(con, kctx);
2255                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2256                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2257                         }
2258 #endif  /* OPENSSL_NO_KRB5 */
2259                 if(context)
2260                       SSL_set_session_id_context(con, context,
2261                                                  strlen((char *)context));
2262         }
2263         SSL_clear(con);
2264 #if 0
2265 #ifdef TLSEXT_TYPE_opaque_prf_input
2266         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2267 #endif
2268 #endif
2269
2270         if (stype == SOCK_DGRAM)
2271                 {
2272
2273                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2274
2275                 if (enable_timeouts)
2276                         {
2277                         timeout.tv_sec = 0;
2278                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2279                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2280                         
2281                         timeout.tv_sec = 0;
2282                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2283                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2284                         }
2285
2286                 if (socket_mtu)
2287                         {
2288                         if(socket_mtu < DTLS_get_link_min_mtu(con))
2289                                 {
2290                                 BIO_printf(bio_err,"MTU too small. Must be at least %ld\n",
2291                                         DTLS_get_link_min_mtu(con));
2292                                 ret = -1;
2293                                 BIO_free(sbio);
2294                                 goto err;
2295                                 }
2296                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2297                         if(!DTLS_set_link_mtu(con, socket_mtu))
2298                                 {
2299                                 BIO_printf(bio_err, "Failed to set MTU\n");
2300                                 ret = -1;
2301                                 BIO_free(sbio);
2302                                 goto err;
2303                                 }
2304                         }
2305                 else
2306                         /* want to do MTU discovery */
2307                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2308
2309         /* turn on cookie exchange */
2310         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2311                 }
2312         else
2313                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2314
2315         if (s_nbio_test)
2316                 {
2317                 BIO *test;
2318
2319                 test=BIO_new(BIO_f_nbio_test());
2320                 sbio=BIO_push(test,sbio);
2321                 }
2322 #ifndef OPENSSL_NO_JPAKE
2323         if(jpake_secret)
2324                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2325 #endif
2326
2327         SSL_set_bio(con,sbio,sbio);
2328         SSL_set_accept_state(con);
2329         /* SSL_set_fd(con,s); */
2330
2331         if (s_debug)
2332                 {
2333                 SSL_set_debug(con, 1);
2334                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2335                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2336                 }
2337         if (s_msg)
2338                 {
2339 #ifndef OPENSSL_NO_SSL_TRACE
2340                 if (s_msg == 2)
2341                         SSL_set_msg_callback(con, SSL_trace);
2342                 else
2343 #endif
2344                         SSL_set_msg_callback(con, msg_cb);
2345                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2346                 }
2347 #ifndef OPENSSL_NO_TLSEXT
2348         if (s_tlsextdebug)
2349                 {
2350                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2351                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2352                 }
2353 #endif
2354
2355         width=s+1;
2356         for (;;)
2357                 {
2358                 int read_from_terminal;
2359                 int read_from_sslcon;
2360
2361                 read_from_terminal = 0;
2362                 read_from_sslcon = SSL_pending(con);
2363
2364                 if (!read_from_sslcon)
2365                         {
2366                         FD_ZERO(&readfds);
2367 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
2368                         openssl_fdset(fileno(stdin),&readfds);
2369 #endif
2370                         openssl_fdset(s,&readfds);
2371                         /* Note: under VMS with SOCKETSHR the second parameter is
2372                          * currently of type (int *) whereas under other systems
2373                          * it is (void *) if you don't have a cast it will choke
2374                          * the compiler: if you do have a cast then you can either
2375                          * go for (int *) or (void *).
2376                          */
2377 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2378                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2379                          * on sockets. As a workaround we timeout the select every
2380                          * second and check for any keypress. In a proper Windows
2381                          * application we wouldn't do this because it is inefficient.
2382                          */
2383                         tv.tv_sec = 1;
2384                         tv.tv_usec = 0;
2385                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2386                         if((i < 0) || (!i && !_kbhit() ) )continue;
2387                         if(_kbhit())
2388                                 read_from_terminal = 1;
2389 #else
2390                         if ((SSL_version(con) == DTLS1_VERSION) &&
2391                                 DTLSv1_get_timeout(con, &timeout))
2392                                 timeoutp = &timeout;
2393                         else
2394                                 timeoutp = NULL;
2395
2396                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2397
2398                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2399                                 {
2400                                 BIO_printf(bio_err,"TIMEOUT occurred\n");
2401                                 }
2402
2403                         if (i <= 0) continue;
2404                         if (FD_ISSET(fileno(stdin),&readfds))
2405                                 read_from_terminal = 1;
2406 #endif
2407                         if (FD_ISSET(s,&readfds))
2408                                 read_from_sslcon = 1;
2409                         }
2410                 if (read_from_terminal)
2411                         {
2412                         if (s_crlf)
2413                                 {
2414                                 int j, lf_num;
2415
2416                                 i=raw_read_stdin(buf, bufsize/2);
2417                                 lf_num = 0;
2418                                 /* both loops are skipped when i <= 0 */
2419                                 for (j = 0; j < i; j++)
2420                                         if (buf[j] == '\n')
2421                                                 lf_num++;
2422                                 for (j = i-1; j >= 0; j--)
2423                                         {
2424                                         buf[j+lf_num] = buf[j];
2425                                         if (buf[j] == '\n')
2426                                                 {
2427                                                 lf_num--;
2428                                                 i++;
2429                                                 buf[j+lf_num] = '\r';
2430                                                 }
2431                                         }
2432                                 assert(lf_num == 0);
2433                                 }
2434                         else
2435                                 i=raw_read_stdin(buf,bufsize);
2436                         if (!s_quiet && !s_brief)
2437                                 {
2438                                 if ((i <= 0) || (buf[0] == 'Q'))
2439                                         {
2440                                         BIO_printf(bio_s_out,"DONE\n");
2441                                         SHUTDOWN(s);
2442                                         close_accept_socket();
2443                                         ret= -11;
2444                                         goto err;
2445                                         }
2446                                 if ((i <= 0) || (buf[0] == 'q'))
2447                                         {
2448                                         BIO_printf(bio_s_out,"DONE\n");
2449                                         if (SSL_version(con) != DTLS1_VERSION)
2450                         SHUTDOWN(s);
2451         /*                              close_accept_socket();
2452                                         ret= -11;*/
2453                                         goto err;
2454                                         }
2455
2456 #ifndef OPENSSL_NO_HEARTBEATS
2457                                 if ((buf[0] == 'B') &&
2458                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2459                                         {
2460                                         BIO_printf(bio_err,"HEARTBEATING\n");
2461                                         SSL_heartbeat(con);
2462                                         i=0;
2463                                         continue;
2464                                         }
2465 #endif
2466                                 if ((buf[0] == 'r') && 
2467                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2468                                         {
2469                                         SSL_renegotiate(con);
2470                                         i=SSL_do_handshake(con);
2471                                         printf("SSL_do_handshake -> %d\n",i);
2472                                         i=0; /*13; */
2473                                         continue;
2474                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2475                                         }
2476                                 if ((buf[0] == 'R') &&
2477                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2478                                         {
2479                                         SSL_set_verify(con,
2480                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2481                                         SSL_renegotiate(con);
2482                                         i=SSL_do_handshake(con);
2483                                         printf("SSL_do_handshake -> %d\n",i);
2484                                         i=0; /* 13; */
2485                                         continue;
2486                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2487                                         }
2488                                 if (buf[0] == 'P')
2489                                         {
2490                                         static const char *str="Lets print some clear text\n";
2491                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2492                                         }
2493                                 if (buf[0] == 'S')
2494                                         {
2495                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2496                                         }
2497                                 }
2498 #ifdef CHARSET_EBCDIC
2499                         ebcdic2ascii(buf,buf,i);
2500 #endif
2501                         l=k=0;
2502                         for (;;)
2503                                 {
2504                                 /* should do a select for the write */
2505 #ifdef RENEG
2506 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2507 #endif
2508                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2509 #ifndef OPENSSL_NO_SRP
2510                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2511                                         {
2512                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2513                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2514                                         if (srp_callback_parm.user) 
2515                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2516                                         else 
2517                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2518                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2519                                         }
2520 #endif
2521                                 switch (SSL_get_error(con,k))
2522                                         {
2523                                 case SSL_ERROR_NONE:
2524                                         break;
2525                                 case SSL_ERROR_WANT_WRITE:
2526                                 case SSL_ERROR_WANT_READ:
2527                                 case SSL_ERROR_WANT_X509_LOOKUP:
2528                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2529                                         break;
2530                                 case SSL_ERROR_SYSCALL:
2531                                 case SSL_ERROR_SSL:
2532                                         BIO_printf(bio_s_out,"ERROR\n");
2533                                         ERR_print_errors(bio_err);
2534                                         ret=1;
2535                                         goto err;
2536                                         /* break; */
2537                                 case SSL_ERROR_ZERO_RETURN:
2538                                         BIO_printf(bio_s_out,"DONE\n");
2539                                         ret=1;
2540                                         goto err;
2541                                         }
2542                                 l+=k;
2543                                 i-=k;
2544                                 if (i <= 0) break;
2545                                 }
2546                         }
2547                 if (read_from_sslcon)
2548                         {
2549                         if (!SSL_is_init_finished(con))
2550                                 {
2551                                 i=init_ssl_connection(con);
2552                                 
2553                                 if (i < 0)
2554                                         {
2555                                         ret=0;
2556                                         goto err;
2557                                         }
2558                                 else if (i == 0)
2559                                         {
2560                                         ret=1;
2561                                         goto err;
2562                                         }
2563                                 }
2564                         else
2565                                 {
2566 again:  
2567                                 i=SSL_read(con,(char *)buf,bufsize);
2568 #ifndef OPENSSL_NO_SRP
2569                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2570                                         {
2571                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2572                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2573                                         if (srp_callback_parm.user) 
2574                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2575                                         else 
2576                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2577                                         i=SSL_read(con,(char *)buf,bufsize);
2578                                         }
2579 #endif
2580                                 switch (SSL_get_error(con,i))
2581                                         {
2582                                 case SSL_ERROR_NONE:
2583 #ifdef CHARSET_EBCDIC
2584                                         ascii2ebcdic(buf,buf,i);
2585 #endif
2586                                         raw_write_stdout(buf,
2587                                                 (unsigned int)i);
2588                                         if (SSL_pending(con)) goto again;
2589                                         break;
2590                                 case SSL_ERROR_WANT_WRITE:
2591                                 case SSL_ERROR_WANT_READ:
2592                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2593                                         break;
2594                                 case SSL_ERROR_SYSCALL:
2595                                 case SSL_ERROR_SSL:
2596                                         BIO_printf(bio_s_out,"ERROR\n");
2597                                         ERR_print_errors(bio_err);
2598                                         ret=1;
2599                                         goto err;
2600                                 case SSL_ERROR_ZERO_RETURN:
2601                                         BIO_printf(bio_s_out,"DONE\n");
2602                                         ret=1;
2603                                         goto err;
2604                                         }
2605                                 }
2606                         }
2607                 }
2608 err:
2609         if (con != NULL)
2610                 {
2611                 BIO_printf(bio_s_out,"shutting down SSL\n");
2612 #if 1
2613                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2614 #else
2615                 SSL_shutdown(con);
2616 #endif
2617                 SSL_free(con);
2618                 }
2619         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2620         if (buf != NULL)
2621                 {
2622                 OPENSSL_cleanse(buf,bufsize);
2623                 OPENSSL_free(buf);
2624                 }
2625         if (ret >= 0)
2626                 BIO_printf(bio_s_out,"ACCEPT\n");
2627         return(ret);
2628         }
2629
2630 static void close_accept_socket(void)
2631         {
2632         BIO_printf(bio_err,"shutdown accept socket\n");
2633         if (accept_socket >= 0)
2634                 {
2635                 SHUTDOWN2(accept_socket);
2636                 }
2637         }
2638
2639 static int init_ssl_connection(SSL *con)
2640         {
2641         int i;
2642         const char *str;
2643         X509 *peer;
2644         long verify_error;
2645         MS_STATIC char buf[BUFSIZ];
2646 #ifndef OPENSSL_NO_KRB5
2647         char *client_princ;
2648 #endif
2649 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2650         const unsigned char *next_proto_neg;
2651         unsigned next_proto_neg_len;
2652 #endif
2653         unsigned char *exportedkeymat;
2654
2655
2656         i=SSL_accept(con);
2657 #ifdef CERT_CB_TEST_RETRY
2658         {
2659         while (i <= 0 && SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP && SSL_state(con) == SSL3_ST_SR_CLNT_HELLO_C) 
2660                 {
2661                 fprintf(stderr, "LOOKUP from certificate callback during accept\n");
2662                 i=SSL_accept(con);
2663                 }
2664         }
2665 #endif
2666 #ifndef OPENSSL_NO_SRP
2667         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 
2668                 {
2669                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2670                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2671                         if (srp_callback_parm.user) 
2672                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2673                         else 
2674                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2675                         i=SSL_accept(con);
2676                 }
2677 #endif
2678
2679         if (i <= 0)
2680                 {
2681                 if (BIO_sock_should_retry(i))
2682                         {
2683                         BIO_printf(bio_s_out,"DELAY\n");
2684                         return(1);
2685                         }
2686
2687                 BIO_printf(bio_err,"ERROR\n");
2688                 verify_error=SSL_get_verify_result(con);
2689                 if (verify_error != X509_V_OK)
2690                         {
2691                         BIO_printf(bio_err,"verify error:%s\n",
2692                                 X509_verify_cert_error_string(verify_error));
2693                         }
2694                 /* Always print any error messages */
2695                 ERR_print_errors(bio_err);
2696                 return(0);
2697                 }
2698
2699         if (s_brief)
2700                 print_ssl_summary(bio_err, con);
2701
2702         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2703
2704         peer=SSL_get_peer_certificate(con);
2705         if (peer != NULL)
2706                 {
2707                 BIO_printf(bio_s_out,"Client certificate\n");
2708                 PEM_write_bio_X509(bio_s_out,peer);
2709                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2710                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2711                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2712                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2713                 X509_free(peer);
2714                 }
2715
2716         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2717                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2718         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2719         ssl_print_sigalgs(bio_s_out, con);
2720 #ifndef OPENSSL_NO_EC
2721         ssl_print_point_formats(bio_s_out, con);
2722         ssl_print_curves(bio_s_out, con, 0);
2723 #endif
2724         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2725
2726 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2727         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2728         if (next_proto_neg)
2729                 {
2730                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2731                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2732                 BIO_printf(bio_s_out, "\n");
2733                 }
2734 #endif
2735 #ifndef OPENSSL_NO_SRTP
2736         {
2737         SRTP_PROTECTION_PROFILE *srtp_profile
2738           = SSL_get_selected_srtp_profile(con);
2739
2740         if(srtp_profile)
2741                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2742                            srtp_profile->name);
2743         }
2744 #endif
2745         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2746         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2747                 TLS1_FLAGS_TLS_PADDING_BUG)
2748                 BIO_printf(bio_s_out,
2749                            "Peer has incorrect TLSv1 block padding\n");
2750 #ifndef OPENSSL_NO_KRB5
2751         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2752         if (client_princ != NULL)
2753                 {
2754                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2755                                                                 client_princ);
2756                 }
2757 #endif /* OPENSSL_NO_KRB5 */
2758         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2759                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2760         if (keymatexportlabel != NULL)
2761                 {
2762                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2763                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2764                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2765                            keymatexportlen);
2766                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2767                 if (exportedkeymat != NULL)
2768                         {
2769                         if (!SSL_export_keying_material(con, exportedkeymat,
2770                                                         keymatexportlen,
2771                                                         keymatexportlabel,
2772                                                         strlen(keymatexportlabel),
2773                                                         NULL, 0, 0))
2774                                 {
2775                                 BIO_printf(bio_s_out, "    Error\n");
2776                                 }
2777                         else
2778                                 {
2779                                 BIO_printf(bio_s_out, "    Keying material: ");
2780                                 for (i=0; i<keymatexportlen; i++)
2781                                         BIO_printf(bio_s_out, "%02X",
2782                                                    exportedkeymat[i]);
2783                                 BIO_printf(bio_s_out, "\n");
2784                                 }
2785                         OPENSSL_free(exportedkeymat);
2786                         }
2787                 }
2788
2789         return(1);
2790         }
2791
2792 #ifndef OPENSSL_NO_DH
2793 static DH *load_dh_param(const char *dhfile)
2794         {
2795         DH *ret=NULL;
2796         BIO *bio;
2797
2798         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2799                 goto err;
2800         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2801 err:
2802         if (bio != NULL) BIO_free(bio);
2803         return(ret);
2804         }
2805 #endif
2806
2807 #if 0
2808 static int load_CA(SSL_CTX *ctx, char *file)
2809         {
2810         FILE *in;
2811         X509 *x=NULL;
2812
2813         if ((in=fopen(file,"r")) == NULL)
2814                 return(0);
2815
2816         for (;;)
2817                 {
2818                 if (PEM_read_X509(in,&x,NULL) == NULL)
2819                         break;
2820                 SSL_CTX_add_client_CA(ctx,x);
2821                 }
2822         if (x != NULL) X509_free(x);
2823         fclose(in);
2824         return(1);
2825         }
2826 #endif
2827
2828 static int www_body(char *hostname, int s, int stype, unsigned char *context)
2829         {
2830         char *buf=NULL;
2831         int ret=1;
2832         int i,j,k,dot;
2833         SSL *con;
2834         const SSL_CIPHER *c;
2835         BIO *io,*ssl_bio,*sbio;
2836 #ifndef OPENSSL_NO_KRB5
2837         KSSL_CTX *kctx;
2838 #endif
2839
2840         buf=OPENSSL_malloc(bufsize);
2841         if (buf == NULL) return(0);
2842         io=BIO_new(BIO_f_buffer());
2843         ssl_bio=BIO_new(BIO_f_ssl());
2844         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2845
2846 #ifdef FIONBIO  
2847         if (s_nbio)
2848                 {
2849                 unsigned long sl=1;
2850
2851                 if (!s_quiet)
2852                         BIO_printf(bio_err,"turning on non blocking io\n");
2853                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2854                         ERR_print_errors(bio_err);
2855                 }
2856 #endif
2857
2858         /* lets make the output buffer a reasonable size */
2859         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2860
2861         if ((con=SSL_new(ctx)) == NULL) goto err;
2862 #ifndef OPENSSL_NO_TLSEXT
2863                 if (s_tlsextdebug)
2864                         {
2865                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2866                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2867                         }
2868 #endif
2869 #ifndef OPENSSL_NO_KRB5
2870         if ((kctx = kssl_ctx_new()) != NULL)
2871                 {
2872                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2873                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2874                 }
2875 #endif  /* OPENSSL_NO_KRB5 */
2876         if(context) SSL_set_session_id_context(con, context,
2877                                                strlen((char *)context));
2878
2879         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2880         if (s_nbio_test)
2881                 {
2882                 BIO *test;
2883
2884                 test=BIO_new(BIO_f_nbio_test());
2885                 sbio=BIO_push(test,sbio);
2886                 }
2887         SSL_set_bio(con,sbio,sbio);
2888         SSL_set_accept_state(con);
2889
2890         /* SSL_set_fd(con,s); */
2891         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2892         BIO_push(io,ssl_bio);
2893 #ifdef CHARSET_EBCDIC
2894         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2895 #endif
2896
2897         if (s_debug)
2898                 {
2899                 SSL_set_debug(con, 1);
2900                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2901                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2902                 }
2903         if (s_msg)
2904                 {
2905 #ifndef OPENSSL_NO_SSL_TRACE
2906                 if (s_msg == 2)
2907                         SSL_set_msg_callback(con, SSL_trace);
2908                 else
2909 #endif
2910                         SSL_set_msg_callback(con, msg_cb);
2911                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2912                 }
2913
2914         for (;;)
2915                 {
2916                 if (hack)
2917                         {
2918                         i=SSL_accept(con);
2919 #ifndef OPENSSL_NO_SRP
2920                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP) 
2921                 {
2922                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2923                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login); 
2924                         if (srp_callback_parm.user) 
2925                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2926                         else 
2927                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2928                         i=SSL_accept(con);
2929                 }
2930 #endif
2931                         switch (SSL_get_error(con,i))
2932                                 {
2933                         case SSL_ERROR_NONE:
2934                                 break;
2935                         case SSL_ERROR_WANT_WRITE:
2936                         case SSL_ERROR_WANT_READ:
2937                         case SSL_ERROR_WANT_X509_LOOKUP:
2938                                 continue;
2939                         case SSL_ERROR_SYSCALL:
2940                         case SSL_ERROR_SSL:
2941                         case SSL_ERROR_ZERO_RETURN:
2942                                 ret=1;
2943                                 goto err;
2944                                 /* break; */
2945                                 }
2946
2947                         SSL_renegotiate(con);
2948                         SSL_write(con,NULL,0);
2949                         }
2950
2951                 i=BIO_gets(io,buf,bufsize-1);
2952                 if (i < 0) /* error */
2953                         {
2954                         if (!BIO_should_retry(io))
2955                                 {
2956                                 if (!s_quiet)
2957                                         ERR_print_errors(bio_err);
2958                                 goto err;
2959                                 }
2960                         else
2961                                 {
2962                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2963 #if defined(OPENSSL_SYS_NETWARE)
2964             delay(1000);
2965 #elif !defined(OPENSSL_SYS_MSDOS)
2966                                 sleep(1);
2967 #endif
2968                                 continue;
2969                                 }
2970                         }
2971                 else if (i == 0) /* end of input */
2972                         {
2973                         ret=1;
2974                         goto end;
2975                         }
2976
2977                 /* else we have data */
2978                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2979                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2980                         {
2981                         char *p;
2982                         X509 *peer;
2983                         STACK_OF(SSL_CIPHER) *sk;
2984                         static const char *space="                          ";
2985
2986                 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0)
2987                         {
2988                         if (strncmp("GET /renegcert", buf, 14) == 0)
2989                                 SSL_set_verify(con,
2990                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2991                         i=SSL_renegotiate(con);
2992                         BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n",i);
2993                         i=SSL_do_handshake(con);
2994                         if (i <= 0)
2995                                 {
2996                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2997                                 ERR_print_errors(bio_err);
2998                                 goto err;
2999                                 }
3000                         /* EVIL HACK! */
3001                         SSL_set_state(con, SSL_ST_ACCEPT);
3002                         i=SSL_do_handshake(con);
3003                         BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n",i);
3004                         if (i <= 0)
3005                                 {
3006                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
3007                                 ERR_print_errors(bio_err);
3008                                 goto err;
3009                                 }
3010                         }
3011
3012                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3013                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3014                         BIO_puts(io,"<pre>\n");
3015 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
3016                         BIO_puts(io,"\n");
3017                         for (i=0; i<local_argc; i++)
3018                                 {
3019                                 BIO_puts(io,local_argv[i]);
3020                                 BIO_write(io," ",1);
3021                                 }
3022                         BIO_puts(io,"\n");
3023
3024                         BIO_printf(io,
3025                                 "Secure Renegotiation IS%s supported\n",
3026                                 SSL_get_secure_renegotiation_support(con) ?
3027                                                         "" : " NOT");
3028
3029                         /* The following is evil and should not really
3030                          * be done */
3031                         BIO_printf(io,"Ciphers supported in s_server binary\n");
3032                         sk=SSL_get_ciphers(con);
3033                         j=sk_SSL_CIPHER_num(sk);
3034                         for (i=0; i<j; i++)
3035                                 {
3036                                 c=sk_SSL_CIPHER_value(sk,i);
3037                                 BIO_printf(io,"%-11s:%-25s",
3038                                         SSL_CIPHER_get_version(c),
3039                                         SSL_CIPHER_get_name(c));
3040                                 if ((((i+1)%2) == 0) && (i+1 != j))
3041                                         BIO_puts(io,"\n");
3042                                 }
3043                         BIO_puts(io,"\n");
3044                         p=SSL_get_shared_ciphers(con,buf,bufsize);
3045                         if (p != NULL)
3046                                 {
3047                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
3048                                 j=i=0;
3049                                 while (*p)
3050                                         {
3051                                         if (*p == ':')
3052                                                 {
3053                                                 BIO_write(io,space,26-j);
3054                                                 i++;
3055                                                 j=0;
3056                                                 BIO_write(io,((i%3)?" ":"\n"),1);
3057                                                 }
3058                                         else
3059                                                 {
3060                                                 BIO_write(io,p,1);
3061                                                 j++;
3062                                                 }
3063                                         p++;
3064                                         }
3065                                 BIO_puts(io,"\n");
3066                                 }
3067                         ssl_print_sigalgs(io, con);
3068 #ifndef OPENSSL_NO_EC
3069                         ssl_print_curves(io, con, 0);
3070 #endif
3071                         BIO_printf(io,(SSL_cache_hit(con)
3072                                 ?"---\nReused, "
3073                                 :"---\nNew, "));
3074                         c=SSL_get_current_cipher(con);
3075                         BIO_printf(io,"%s, Cipher is %s\n",
3076                                 SSL_CIPHER_get_version(c),
3077                                 SSL_CIPHER_get_name(c));
3078                         SSL_SESSION_print(io,SSL_get_session(con));
3079                         BIO_printf(io,"---\n");
3080                         print_stats(io,SSL_get_SSL_CTX(con));
3081                         BIO_printf(io,"---\n");
3082                         peer=SSL_get_peer_certificate(con);
3083                         if (peer != NULL)
3084                                 {
3085                                 BIO_printf(io,"Client certificate\n");
3086                                 X509_print(io,peer);
3087                                 PEM_write_bio_X509(io,peer);
3088                                 }
3089                         else
3090                                 BIO_puts(io,"no client certificate available\n");
3091                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
3092                         break;
3093                         }
3094                 else if ((www == 2 || www == 3)
3095                          && (strncmp("GET /",buf,5) == 0))
3096                         {
3097                         BIO *file;
3098                         char *p,*e;
3099                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3100
3101                         /* skip the '/' */
3102                         p= &(buf[5]);
3103
3104                         dot = 1;
3105                         for (e=p; *e != '\0'; e++)
3106                                 {
3107                                 if (e[0] == ' ')
3108                                         break;
3109
3110                                 switch (dot)
3111                                         {
3112                                 case 1:
3113                                         dot = (e[0] == '.') ? 2 : 0;
3114                                         break;
3115                                 case 2:
3116                                         dot = (e[0] == '.') ? 3 : 0;
3117                                         break;
3118                                 case 3:
3119                                         dot = (e[0] == '/') ? -1 : 0;
3120                                         break;
3121                                         }
3122                                 if (dot == 0)
3123                                         dot = (e[0] == '/') ? 1 : 0;
3124                                 }
3125                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
3126
3127                         if (*e == '\0')
3128                                 {
3129                                 BIO_puts(io,text);
3130                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
3131                                 break;
3132                                 }
3133                         *e='\0';
3134
3135                         if (dot)
3136                                 {
3137                                 BIO_puts(io,text);
3138                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
3139                                 break;
3140                                 }
3141
3142                         if (*p == '/')
3143                                 {
3144