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Merge branch 'merges'
[unleashed.git] / bin / openssl / s_server.c
blob4bdafaf6822d2aefb1bdc98b0f189ee18eb9683e
1 /* $OpenBSD: s_server.c,v 1.30 2018/02/07 05:47:55 jsing Exp $ */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58 /* ====================================================================
59 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
60 *
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
63 * are met:
64 *
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
67 *
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
71 * distribution.
72 *
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77 *
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
82 *
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
86 *
87 * 6. Redistributions of any form whatsoever must retain the following
88 * acknowledgment:
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91 *
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
105 *
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
109 *
110 */
111 /* ====================================================================
112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113 * ECC cipher suite support in OpenSSL originally developed by
114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115 */
116 /* ====================================================================
117 * Copyright 2005 Nokia. All rights reserved.
118 *
119 * The portions of the attached software ("Contribution") is developed by
120 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
121 * license.
122 *
123 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
124 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
125 * support (see RFC 4279) to OpenSSL.
126 *
127 * No patent licenses or other rights except those expressly stated in
128 * the OpenSSL open source license shall be deemed granted or received
129 * expressly, by implication, estoppel, or otherwise.
130 *
131 * No assurances are provided by Nokia that the Contribution does not
132 * infringe the patent or other intellectual property rights of any third
133 * party or that the license provides you with all the necessary rights
134 * to make use of the Contribution.
135 *
136 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
137 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
138 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
139 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
140 * OTHERWISE.
141 */
142
143 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
144 * deprecated functions for openssl-internal code */
145 #ifdef OPENSSL_NO_DEPRECATED
146 #undef OPENSSL_NO_DEPRECATED
147 #endif
148
149 #include <sys/types.h>
150 #include <sys/socket.h>
151
152 #include <assert.h>
153 #include <ctype.h>
154 #include <stdio.h>
155 #include <stdlib.h>
156 #include <limits.h>
157 #include <string.h>
158 #include <unistd.h>
159 #include <poll.h>
160
161 #include "apps.h"
162
163 #include <openssl/bn.h>
164 #include <openssl/err.h>
165 #include <openssl/lhash.h>
166 #include <openssl/ocsp.h>
167 #include <openssl/pem.h>
168 #include <openssl/ssl.h>
169 #include <openssl/x509.h>
170
171 #ifndef OPENSSL_NO_DH
172 #include <openssl/dh.h>
173 #endif
174
175 #include <openssl/rsa.h>
176
177 #include "s_apps.h"
178 #include "timeouts.h"
179
180 static int sv_body(char *hostname, int s, unsigned char *context);
181 static int www_body(char *hostname, int s, unsigned char *context);
182 static void close_accept_socket(void);
183 static void sv_usage(void);
184 static int init_ssl_connection(SSL * s);
185 static void print_stats(BIO * bp, SSL_CTX * ctx);
186 static int
187 generate_session_id(const SSL * ssl, unsigned char *id,
188 unsigned int *id_len);
189 #ifndef OPENSSL_NO_DH
190 static DH *load_dh_param(const char *dhfile);
191 #endif
192
193 static void s_server_init(void);
194
195 /* static int load_CA(SSL_CTX *ctx, char *file);*/
196
197 #define BUFSIZZ 16*1024
198 static int bufsize = BUFSIZZ;
199 static int accept_socket = -1;
200
201 #define TEST_CERT "server.pem"
202 #define TEST_CERT2 "server2.pem"
203
204 static char *cipher = NULL;
205 static int s_server_verify = SSL_VERIFY_NONE;
206 static int s_server_session_id_context = 1; /* anything will do */
207 static const char *s_cert_file = TEST_CERT, *s_key_file = NULL;
208 static const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
209 static char *s_dcert_file = NULL, *s_dkey_file = NULL;
210 static int s_nbio = 0;
211 static int s_nbio_test = 0;
212 int s_crlf = 0;
213 static SSL_CTX *ctx = NULL;
214 static SSL_CTX *ctx2 = NULL;
215 static int www = 0;
216
217 static BIO *bio_s_out = NULL;
218 static int s_debug = 0;
219 static int s_tlsextdebug = 0;
220 static int s_tlsextstatus = 0;
221 static int cert_status_cb(SSL * s, void *arg);
222 static int s_msg = 0;
223 static int s_quiet = 0;
224
225 static char *keymatexportlabel = NULL;
226 static int keymatexportlen = 20;
227
228 static const char *session_id_prefix = NULL;
229
230 static int enable_timeouts = 0;
231 static long socket_mtu;
232 #ifndef OPENSSL_NO_DTLS1
233 static int cert_chain = 0;
234 #endif
235
236
237
238
239 static void
240 s_server_init(void)
241 {
242 accept_socket = -1;
243 cipher = NULL;
244 s_server_verify = SSL_VERIFY_NONE;
245 s_dcert_file = NULL;
246 s_dkey_file = NULL;
247 s_cert_file = TEST_CERT;
248 s_key_file = NULL;
249 s_cert_file2 = TEST_CERT2;
250 s_key_file2 = NULL;
251 ctx2 = NULL;
252 s_nbio = 0;
253 s_nbio_test = 0;
254 ctx = NULL;
255 www = 0;
256
257 bio_s_out = NULL;
258 s_debug = 0;
259 s_msg = 0;
260 s_quiet = 0;
261 }
262
263 static void
264 sv_usage(void)
265 {
266 BIO_printf(bio_err, "usage: s_server [args ...]\n");
267 BIO_printf(bio_err, "\n");
268 BIO_printf(bio_err, " -accept arg - port to accept on (default is %d)\n", PORT);
269 BIO_printf(bio_err, " -context arg - set session ID context\n");
270 BIO_printf(bio_err, " -verify arg - turn on peer certificate verification\n");
271 BIO_printf(bio_err, " -Verify arg - turn on peer certificate verification, must have a cert.\n");
272 BIO_printf(bio_err, " -cert arg - certificate file to use\n");
273 BIO_printf(bio_err, " (default is %s)\n", TEST_CERT);
274 BIO_printf(bio_err, " -crl_check - check the peer certificate has not been revoked by its CA.\n" \
275 " The CRL(s) are appended to the certificate file\n");
276 BIO_printf(bio_err, " -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
277 " or any other CRL in the CA chain. CRL(s) are appended to the\n" \
278 " the certificate file.\n");
279 BIO_printf(bio_err, " -certform arg - certificate format (PEM or DER) PEM default\n");
280 BIO_printf(bio_err, " -key arg - Private Key file to use, in cert file if\n");
281 BIO_printf(bio_err, " not specified (default is %s)\n", TEST_CERT);
282 BIO_printf(bio_err, " -keyform arg - key format (PEM or DER) PEM default\n");
283 BIO_printf(bio_err, " -pass arg - private key file pass phrase source\n");
284 BIO_printf(bio_err, " -dcert arg - second certificate file to use (usually for DSA)\n");
285 BIO_printf(bio_err, " -dcertform x - second certificate format (PEM or DER) PEM default\n");
286 BIO_printf(bio_err, " -dkey arg - second private key file to use (usually for DSA)\n");
287 BIO_printf(bio_err, " -dkeyform arg - second key format (PEM or DER) PEM default\n");
288 BIO_printf(bio_err, " -dpass arg - second private key file pass phrase source\n");
289 BIO_printf(bio_err, " -dhparam arg - DH parameter file to use, in cert file if not specified\n");
290 BIO_printf(bio_err, " or a default set of parameters is used\n");
291 BIO_printf(bio_err, " -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" \
292 " Use \"openssl ecparam -list_curves\" for all names\n" \
293 " (default is nistp256).\n");
294 BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n");
295 BIO_printf(bio_err, " -nbio_test - test with the non-blocking test bio\n");
296 BIO_printf(bio_err, " -crlf - convert LF from terminal into CRLF\n");
297 BIO_printf(bio_err, " -debug - Print more output\n");
298 BIO_printf(bio_err, " -msg - Show protocol messages\n");
299 BIO_printf(bio_err, " -state - Print the SSL states\n");
300 BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n");
301 BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n");
302 BIO_printf(bio_err, " -nocert - Don't use any certificates (Anon-DH)\n");
303 BIO_printf(bio_err, " -cipher arg - play with 'openssl ciphers' to see what goes here\n");
304 BIO_printf(bio_err, " -serverpref - Use server's cipher preferences\n");
305 BIO_printf(bio_err, " -quiet - Inhibit printing of session and certificate information\n");
306 BIO_printf(bio_err, " -tls1_2 - Just talk TLSv1.2\n");
307 BIO_printf(bio_err, " -tls1_1 - Just talk TLSv1.1\n");
308 BIO_printf(bio_err, " -tls1 - Just talk TLSv1\n");
309 BIO_printf(bio_err, " -dtls1 - Just talk DTLSv1\n");
310 BIO_printf(bio_err, " -timeout - Enable timeouts\n");
311 BIO_printf(bio_err, " -mtu - Set link layer MTU\n");
312 BIO_printf(bio_err, " -chain - Read a certificate chain\n");
313 BIO_printf(bio_err, " -no_ssl2 - Just disable SSLv2\n");
314 BIO_printf(bio_err, " -no_ssl3 - Just disable SSLv3\n");
315 BIO_printf(bio_err, " -no_tls1 - Just disable TLSv1\n");
316 BIO_printf(bio_err, " -no_tls1_1 - Just disable TLSv1.1\n");
317 BIO_printf(bio_err, " -no_tls1_2 - Just disable TLSv1.2\n");
318 #ifndef OPENSSL_NO_DH
319 BIO_printf(bio_err, " -no_dhe - Disable ephemeral DH\n");
320 #endif
321 BIO_printf(bio_err, " -no_ecdhe - Disable ephemeral ECDH\n");
322 BIO_printf(bio_err, " -bugs - Turn on SSL bug compatibility\n");
323 BIO_printf(bio_err, " -www - Respond to a 'GET /' with a status page\n");
324 BIO_printf(bio_err, " -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
325 BIO_printf(bio_err, " -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
326 BIO_printf(bio_err, " with the assumption it contains a complete HTTP response.\n");
327 BIO_printf(bio_err, " -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
328 BIO_printf(bio_err, " -servername host - servername for HostName TLS extension\n");
329 BIO_printf(bio_err, " -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
330 BIO_printf(bio_err, " -cert2 arg - certificate file to use for servername\n");
331 BIO_printf(bio_err, " (default is %s)\n", TEST_CERT2);
332 BIO_printf(bio_err, " -key2 arg - Private Key file to use for servername, in cert file if\n");
333 BIO_printf(bio_err, " not specified (default is %s)\n", TEST_CERT2);
334 BIO_printf(bio_err, " -tlsextdebug - hex dump of all TLS extensions received\n");
335 BIO_printf(bio_err, " -no_ticket - disable use of RFC4507bis session tickets\n");
336 BIO_printf(bio_err," -alpn arg - set the advertised protocols for the ALPN extension (comma-separated list)\n");
337 #ifndef OPENSSL_NO_SRTP
338 BIO_printf(bio_err, " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
339 #endif
340 BIO_printf(bio_err, " -keymatexport label - Export keying material using label\n");
341 BIO_printf(bio_err, " -keymatexportlen len - Export len bytes of keying material (default 20)\n");
342 }
343
344 static int local_argc = 0;
345 static char **local_argv;
346
347
348 /* This is a context that we pass to callbacks */
349 typedef struct tlsextctx_st {
350 char *servername;
351 BIO *biodebug;
352 int extension_error;
353 } tlsextctx;
354
355
356 static int
357 ssl_servername_cb(SSL * s, int *ad, void *arg)
358 {
359 tlsextctx *p = (tlsextctx *) arg;
360 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
361 if (servername && p->biodebug)
362 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n", servername);
363
364 if (!p->servername)
365 return SSL_TLSEXT_ERR_NOACK;
366
367 if (servername) {
368 if (strcmp(servername, p->servername))
369 return p->extension_error;
370 if (ctx2) {
371 BIO_printf(p->biodebug, "Switching server context.\n");
372 SSL_set_SSL_CTX(s, ctx2);
373 }
374 }
375 return SSL_TLSEXT_ERR_OK;
376 }
377
378 /* Structure passed to cert status callback */
379
380 typedef struct tlsextstatusctx_st {
381 /* Default responder to use */
382 char *host, *path, *port;
383 int use_ssl;
384 int timeout;
385 BIO *err;
386 int verbose;
387 } tlsextstatusctx;
388
389 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
390
391 /* Certificate Status callback. This is called when a client includes a
392 * certificate status request extension.
393 *
394 * This is a simplified version. It examines certificates each time and
395 * makes one OCSP responder query for each request.
396 *
397 * A full version would store details such as the OCSP certificate IDs and
398 * minimise the number of OCSP responses by caching them until they were
399 * considered "expired".
400 */
401
402 static int
403 cert_status_cb(SSL * s, void *arg)
404 {
405 tlsextstatusctx *srctx = arg;
406 BIO *err = srctx->err;
407 char *host = NULL, *port = NULL, *path = NULL;
408 int use_ssl;
409 unsigned char *rspder = NULL;
410 int rspderlen;
411 STACK_OF(OPENSSL_STRING) * aia = NULL;
412 X509 *x = NULL;
413 X509_STORE_CTX inctx;
414 X509_OBJECT obj;
415 OCSP_REQUEST *req = NULL;
416 OCSP_RESPONSE *resp = NULL;
417 OCSP_CERTID *id = NULL;
418 STACK_OF(X509_EXTENSION) * exts;
419 int ret = SSL_TLSEXT_ERR_NOACK;
420 int i;
421
422 if (srctx->verbose)
423 BIO_puts(err, "cert_status: callback called\n");
424 /* Build up OCSP query from server certificate */
425 x = SSL_get_certificate(s);
426 aia = X509_get1_ocsp(x);
427 if (aia) {
428 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
429 &host, &port, &path, &use_ssl)) {
430 BIO_puts(err, "cert_status: can't parse AIA URL\n");
431 goto err;
432 }
433 if (srctx->verbose)
434 BIO_printf(err, "cert_status: AIA URL: %s\n",
435 sk_OPENSSL_STRING_value(aia, 0));
436 } else {
437 if (!srctx->host) {
438 BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
439 goto done;
440 }
441 host = srctx->host;
442 path = srctx->path;
443 port = srctx->port;
444 use_ssl = srctx->use_ssl;
445 }
446
447 if (!X509_STORE_CTX_init(&inctx,
448 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
449 NULL, NULL))
450 goto err;
451 if (X509_STORE_get_by_subject(&inctx, X509_LU_X509,
452 X509_get_issuer_name(x), &obj) <= 0) {
453 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
454 X509_STORE_CTX_cleanup(&inctx);
455 goto done;
456 }
457 req = OCSP_REQUEST_new();
458 if (!req)
459 goto err;
460 id = OCSP_cert_to_id(NULL, x, obj.data.x509);
461 X509_free(obj.data.x509);
462 X509_STORE_CTX_cleanup(&inctx);
463 if (!id)
464 goto err;
465 if (!OCSP_request_add0_id(req, id))
466 goto err;
467 id = NULL;
468 /* Add any extensions to the request */
469 SSL_get_tlsext_status_exts(s, &exts);
470 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
471 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
472 if (!OCSP_REQUEST_add_ext(req, ext, -1))
473 goto err;
474 }
475 resp = process_responder(err, req, host, path, port, use_ssl, NULL,
476 srctx->timeout);
477 if (!resp) {
478 BIO_puts(err, "cert_status: error querying responder\n");
479 goto done;
480 }
481 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
482 if (rspderlen <= 0)
483 goto err;
484 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
485 if (srctx->verbose) {
486 BIO_puts(err, "cert_status: ocsp response sent:\n");
487 OCSP_RESPONSE_print(err, resp, 2);
488 }
489 ret = SSL_TLSEXT_ERR_OK;
490 done:
491 if (ret != SSL_TLSEXT_ERR_OK)
492 ERR_print_errors(err);
493 if (aia) {
494 free(host);
495 free(path);
496 free(port);
497 X509_email_free(aia);
498 }
499 if (id)
500 OCSP_CERTID_free(id);
501 if (req)
502 OCSP_REQUEST_free(req);
503 if (resp)
504 OCSP_RESPONSE_free(resp);
505 return ret;
506 err:
507 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
508 goto done;
509 }
510
511 /* This the context that we pass to alpn_cb */
512 typedef struct tlsextalpnctx_st {
513 unsigned char *data;
514 unsigned short len;
515 } tlsextalpnctx;
516
517 static int
518 alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
519 const unsigned char *in, unsigned int inlen, void *arg)
520 {
521 tlsextalpnctx *alpn_ctx = arg;
522
523 if (!s_quiet) {
524 /* We can assume that in is syntactically valid. */
525 unsigned i;
526
527 BIO_printf(bio_s_out,
528 "ALPN protocols advertised by the client: ");
529 for (i = 0; i < inlen; ) {
530 if (i)
531 BIO_write(bio_s_out, ", ", 2);
532 BIO_write(bio_s_out, &in[i + 1], in[i]);
533 i += in[i] + 1;
534 }
535 BIO_write(bio_s_out, "\n", 1);
536 }
537
538 if (SSL_select_next_proto((unsigned char**)out, outlen, alpn_ctx->data,
539 alpn_ctx->len, in, inlen) != OPENSSL_NPN_NEGOTIATED)
540 return (SSL_TLSEXT_ERR_NOACK);
541
542 if (!s_quiet) {
543 BIO_printf(bio_s_out, "ALPN protocols selected: ");
544 BIO_write(bio_s_out, *out, *outlen);
545 BIO_write(bio_s_out, "\n", 1);
546 }
547
548 return (SSL_TLSEXT_ERR_OK);
549 }
550
551 #ifndef OPENSSL_NO_SRTP
552 static char *srtp_profiles = NULL;
553 #endif
554
555 int
556 s_server_main(int argc, char *argv[])
557 {
558 X509_VERIFY_PARAM *vpm = NULL;
559 int badarg = 0;
560 short port = PORT;
561 char *CApath = NULL, *CAfile = NULL;
562 unsigned char *context = NULL;
563 char *dhfile = NULL;
564 char *named_curve = NULL;
565 int badop = 0, bugs = 0;
566 int ret = 1;
567 int off = 0;
568 int no_dhe = 0, no_ecdhe = 0, nocert = 0;
569 int state = 0;
570 const SSL_METHOD *meth = NULL;
571 int socket_type = SOCK_STREAM;
572 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
573 char *passarg = NULL, *pass = NULL;
574 char *dpassarg = NULL, *dpass = NULL;
575 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
576 X509 *s_cert = NULL, *s_dcert = NULL;
577 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
578 int no_cache = 0;
579 const char *errstr = NULL;
580 EVP_PKEY *s_key2 = NULL;
581 X509 *s_cert2 = NULL;
582 tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
583 const char *alpn_in = NULL;
584 tlsextalpnctx alpn_ctx = { NULL, 0 };
585
586 if (single_execution) {
587 if (pledge("stdio rpath inet dns tty", NULL) == -1) {
588 perror("pledge");
589 exit(1);
590 }
591 }
592
593 meth = SSLv23_server_method();
594
595 local_argc = argc;
596 local_argv = argv;
597
598 s_server_init();
599
600 verify_depth = 0;
601 s_nbio = 0;
602 s_nbio_test = 0;
603
604 argc--;
605 argv++;
606
607 while (argc >= 1) {
608 if ((strcmp(*argv, "-port") == 0) ||
609 (strcmp(*argv, "-accept") == 0)) {
610 if (--argc < 1)
611 goto bad;
612 if (!extract_port(*(++argv), &port))
613 goto bad;
614 } else if (strcmp(*argv, "-verify") == 0) {
615 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
616 if (--argc < 1)
617 goto bad;
618 verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr);
619 if (errstr)
620 goto bad;
621 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
622 } else if (strcmp(*argv, "-Verify") == 0) {
623 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
624 SSL_VERIFY_CLIENT_ONCE;
625 if (--argc < 1)
626 goto bad;
627 verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr);
628 if (errstr)
629 goto bad;
630 BIO_printf(bio_err, "verify depth is %d, must return a certificate\n", verify_depth);
631 } else if (strcmp(*argv, "-context") == 0) {
632 if (--argc < 1)
633 goto bad;
634 context = (unsigned char *) *(++argv);
635 } else if (strcmp(*argv, "-cert") == 0) {
636 if (--argc < 1)
637 goto bad;
638 s_cert_file = *(++argv);
639 } else if (strcmp(*argv, "-certform") == 0) {
640 if (--argc < 1)
641 goto bad;
642 s_cert_format = str2fmt(*(++argv));
643 } else if (strcmp(*argv, "-key") == 0) {
644 if (--argc < 1)
645 goto bad;
646 s_key_file = *(++argv);
647 } else if (strcmp(*argv, "-keyform") == 0) {
648 if (--argc < 1)
649 goto bad;
650 s_key_format = str2fmt(*(++argv));
651 } else if (strcmp(*argv, "-pass") == 0) {
652 if (--argc < 1)
653 goto bad;
654 passarg = *(++argv);
655 } else if (strcmp(*argv, "-dhparam") == 0) {
656 if (--argc < 1)
657 goto bad;
658 dhfile = *(++argv);
659 }
660 else if (strcmp(*argv, "-named_curve") == 0) {
661 if (--argc < 1)
662 goto bad;
663 named_curve = *(++argv);
664 }
665 else if (strcmp(*argv, "-dcertform") == 0) {
666 if (--argc < 1)
667 goto bad;
668 s_dcert_format = str2fmt(*(++argv));
669 } else if (strcmp(*argv, "-dcert") == 0) {
670 if (--argc < 1)
671 goto bad;
672 s_dcert_file = *(++argv);
673 } else if (strcmp(*argv, "-dkeyform") == 0) {
674 if (--argc < 1)
675 goto bad;
676 s_dkey_format = str2fmt(*(++argv));
677 } else if (strcmp(*argv, "-dpass") == 0) {
678 if (--argc < 1)
679 goto bad;
680 dpassarg = *(++argv);
681 } else if (strcmp(*argv, "-dkey") == 0) {
682 if (--argc < 1)
683 goto bad;
684 s_dkey_file = *(++argv);
685 } else if (strcmp(*argv, "-nocert") == 0) {
686 nocert = 1;
687 } else if (strcmp(*argv, "-CApath") == 0) {
688 if (--argc < 1)
689 goto bad;
690 CApath = *(++argv);
691 } else if (strcmp(*argv, "-no_cache") == 0)
692 no_cache = 1;
693 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
694 if (badarg)
695 goto bad;
696 continue;
697 } else if (strcmp(*argv, "-verify_return_error") == 0)
698 verify_return_error = 1;
699 else if (strcmp(*argv, "-serverpref") == 0) {
700 off |= SSL_OP_CIPHER_SERVER_PREFERENCE;
701 } else if (strcmp(*argv, "-legacy_renegotiation") == 0)
702 ; /* no-op */
703 else if (strcmp(*argv, "-cipher") == 0) {
704 if (--argc < 1)
705 goto bad;
706 cipher = *(++argv);
707 } else if (strcmp(*argv, "-CAfile") == 0) {
708 if (--argc < 1)
709 goto bad;
710 CAfile = *(++argv);
711 }
712 else if (strcmp(*argv, "-nbio") == 0) {
713 s_nbio = 1;
714 }
715 else if (strcmp(*argv, "-nbio_test") == 0) {
716 s_nbio = 1;
717 s_nbio_test = 1;
718 } else if (strcmp(*argv, "-debug") == 0) {
719 s_debug = 1;
720 }
721 else if (strcmp(*argv, "-tlsextdebug") == 0)
722 s_tlsextdebug = 1;
723 else if (strcmp(*argv, "-status") == 0)
724 s_tlsextstatus = 1;
725 else if (strcmp(*argv, "-status_verbose") == 0) {
726 s_tlsextstatus = 1;
727 tlscstatp.verbose = 1;
728 } else if (!strcmp(*argv, "-status_timeout")) {
729 s_tlsextstatus = 1;
730 if (--argc < 1)
731 goto bad;
732 tlscstatp.timeout = strtonum(*(++argv), 0, INT_MAX, &errstr);
733 if (errstr)
734 goto bad;
735 } else if (!strcmp(*argv, "-status_url")) {
736 s_tlsextstatus = 1;
737 if (--argc < 1)
738 goto bad;
739 if (!OCSP_parse_url(*(++argv),
740 &tlscstatp.host,
741 &tlscstatp.port,
742 &tlscstatp.path,
743 &tlscstatp.use_ssl)) {
744 BIO_printf(bio_err, "Error parsing URL\n");
745 goto bad;
746 }
747 }
748 else if (strcmp(*argv, "-msg") == 0) {
749 s_msg = 1;
750 } else if (strcmp(*argv, "-state") == 0) {
751 state = 1;
752 } else if (strcmp(*argv, "-crlf") == 0) {
753 s_crlf = 1;
754 } else if (strcmp(*argv, "-quiet") == 0) {
755 s_quiet = 1;
756 } else if (strcmp(*argv, "-bugs") == 0) {
757 bugs = 1;
758 } else if (strcmp(*argv, "-no_tmp_rsa") == 0) {
759 /* No-op. */
760 } else if (strcmp(*argv, "-no_dhe") == 0) {
761 no_dhe = 1;
762 } else if (strcmp(*argv, "-no_ecdhe") == 0) {
763 no_ecdhe = 1;
764 } else if (strcmp(*argv, "-www") == 0) {
765 www = 1;
766 } else if (strcmp(*argv, "-WWW") == 0) {
767 www = 2;
768 } else if (strcmp(*argv, "-HTTP") == 0) {
769 www = 3;
770 } else if (strcmp(*argv, "-no_ssl2") == 0) {
771 off |= SSL_OP_NO_SSLv2;
772 } else if (strcmp(*argv, "-no_ssl3") == 0) {
773 off |= SSL_OP_NO_SSLv3;
774 } else if (strcmp(*argv, "-no_tls1") == 0) {
775 off |= SSL_OP_NO_TLSv1;
776 } else if (strcmp(*argv, "-no_tls1_1") == 0) {
777 off |= SSL_OP_NO_TLSv1_1;
778 } else if (strcmp(*argv, "-no_tls1_2") == 0) {
779 off |= SSL_OP_NO_TLSv1_2;
780 } else if (strcmp(*argv, "-no_comp") == 0) {
781 off |= SSL_OP_NO_COMPRESSION;
782 } else if (strcmp(*argv, "-no_ticket") == 0) {
783 off |= SSL_OP_NO_TICKET;
784 } else if (strcmp(*argv, "-tls1") == 0) {
785 meth = TLSv1_server_method();
786 } else if (strcmp(*argv, "-tls1_1") == 0) {
787 meth = TLSv1_1_server_method();
788 } else if (strcmp(*argv, "-tls1_2") == 0) {
789 meth = TLSv1_2_server_method();
790 }
791 #ifndef OPENSSL_NO_DTLS1
792 else if (strcmp(*argv, "-dtls1") == 0) {
793 meth = DTLSv1_server_method();
794 socket_type = SOCK_DGRAM;
795 } else if (strcmp(*argv, "-timeout") == 0)
796 enable_timeouts = 1;
797 else if (strcmp(*argv, "-mtu") == 0) {
798 if (--argc < 1)
799 goto bad;
800 socket_mtu = strtonum(*(++argv), 0, LONG_MAX, &errstr);
801 if (errstr)
802 goto bad;
803 } else if (strcmp(*argv, "-chain") == 0)
804 cert_chain = 1;
805 #endif
806 else if (strcmp(*argv, "-id_prefix") == 0) {
807 if (--argc < 1)
808 goto bad;
809 session_id_prefix = *(++argv);
810 }
811 else if (strcmp(*argv, "-servername") == 0) {
812 if (--argc < 1)
813 goto bad;
814 tlsextcbp.servername = *(++argv);
815 } else if (strcmp(*argv, "-servername_fatal") == 0) {
816 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
817 } else if (strcmp(*argv, "-cert2") == 0) {
818 if (--argc < 1)
819 goto bad;
820 s_cert_file2 = *(++argv);
821 } else if (strcmp(*argv, "-key2") == 0) {
822 if (--argc < 1)
823 goto bad;
824 s_key_file2 = *(++argv);
825 } else if (strcmp(*argv, "-nextprotoneg") == 0) {
826 /* Ignored. */
827 if (--argc < 1)
828 goto bad;
829 ++argv;
830 } else if (strcmp(*argv,"-alpn") == 0) {
831 if (--argc < 1)
832 goto bad;
833 alpn_in = *(++argv);
834 }
835 #ifndef OPENSSL_NO_SRTP
836 else if (strcmp(*argv, "-use_srtp") == 0) {
837 if (--argc < 1)
838 goto bad;
839 srtp_profiles = *(++argv);
840 }
841 #endif
842 else if (strcmp(*argv, "-keymatexport") == 0) {
843 if (--argc < 1)
844 goto bad;
845 keymatexportlabel = *(++argv);
846 } else if (strcmp(*argv, "-keymatexportlen") == 0) {
847 if (--argc < 1)
848 goto bad;
849 keymatexportlen = strtonum(*(++argv), 1, INT_MAX, &errstr);
850 if (errstr)
851 goto bad;
852 } else {
853 BIO_printf(bio_err, "unknown option %s\n", *argv);
854 badop = 1;
855 break;
856 }
857 argc--;
858 argv++;
859 }
860 if (badop) {
861 bad:
862 if (errstr)
863 BIO_printf(bio_err, "invalid argument %s: %s\n",
864 *argv, errstr);
865 else
866 sv_usage();
867 goto end;
868 }
869
870 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) {
871 BIO_printf(bio_err, "Error getting password\n");
872 goto end;
873 }
874 if (s_key_file == NULL)
875 s_key_file = s_cert_file;
876 if (s_key_file2 == NULL)
877 s_key_file2 = s_cert_file2;
878
879 if (nocert == 0) {
880 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass,
881 "server certificate private key file");
882 if (!s_key) {
883 ERR_print_errors(bio_err);
884 goto end;
885 }
886 s_cert = load_cert(bio_err, s_cert_file, s_cert_format,
887 NULL, "server certificate file");
888
889 if (!s_cert) {
890 ERR_print_errors(bio_err);
891 goto end;
892 }
893 if (tlsextcbp.servername) {
894 s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass,
895 "second server certificate private key file");
896 if (!s_key2) {
897 ERR_print_errors(bio_err);
898 goto end;
899 }
900 s_cert2 = load_cert(bio_err, s_cert_file2, s_cert_format,
901 NULL, "second server certificate file");
902
903 if (!s_cert2) {
904 ERR_print_errors(bio_err);
905 goto end;
906 }
907 }
908 }
909 alpn_ctx.data = NULL;
910 if (alpn_in) {
911 unsigned short len;
912 alpn_ctx.data = next_protos_parse(&len, alpn_in);
913 if (alpn_ctx.data == NULL)
914 goto end;
915 alpn_ctx.len = len;
916 }
917
918 if (s_dcert_file) {
919
920 if (s_dkey_file == NULL)
921 s_dkey_file = s_dcert_file;
922
923 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
924 0, dpass, "second certificate private key file");
925 if (!s_dkey) {
926 ERR_print_errors(bio_err);
927 goto end;
928 }
929 s_dcert = load_cert(bio_err, s_dcert_file, s_dcert_format,
930 NULL, "second server certificate file");
931
932 if (!s_dcert) {
933 ERR_print_errors(bio_err);
934 goto end;
935 }
936 }
937 if (bio_s_out == NULL) {
938 if (s_quiet && !s_debug && !s_msg) {
939 bio_s_out = BIO_new(BIO_s_null());
940 } else {
941 if (bio_s_out == NULL)
942 bio_s_out = BIO_new_fp(stdout, BIO_NOCLOSE);
943 }
944 }
945 if (nocert) {
946 s_cert_file = NULL;
947 s_key_file = NULL;
948 s_dcert_file = NULL;
949 s_dkey_file = NULL;
950 s_cert_file2 = NULL;
951 s_key_file2 = NULL;
952 }
953 ctx = SSL_CTX_new(meth);
954 if (ctx == NULL) {
955 ERR_print_errors(bio_err);
956 goto end;
957 }
958 if (session_id_prefix) {
959 if (strlen(session_id_prefix) >= 32)
960 BIO_printf(bio_err,
961 "warning: id_prefix is too long, only one new session will be possible\n");
962 else if (strlen(session_id_prefix) >= 16)
963 BIO_printf(bio_err,
964 "warning: id_prefix is too long if you use SSLv2\n");
965 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
966 BIO_printf(bio_err, "error setting 'id_prefix'\n");
967 ERR_print_errors(bio_err);
968 goto end;
969 }
970 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
971 }
972 SSL_CTX_set_quiet_shutdown(ctx, 1);
973 if (bugs)
974 SSL_CTX_set_options(ctx, SSL_OP_ALL);
975 SSL_CTX_set_options(ctx, off);
976 /*
977 * DTLS: partial reads end up discarding unread UDP bytes :-( Setting
978 * read ahead solves this problem.
979 */
980 if (socket_type == SOCK_DGRAM)
981 SSL_CTX_set_read_ahead(ctx, 1);
982
983 if (state)
984 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
985 if (no_cache)
986 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
987 else
988 SSL_CTX_sess_set_cache_size(ctx, 128);
989
990 #ifndef OPENSSL_NO_SRTP
991 if (srtp_profiles != NULL)
992 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
993 #endif
994
995
996 if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) ||
997 (!SSL_CTX_set_default_verify_paths(ctx))) {
998 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
999 ERR_print_errors(bio_err);
1000 /* goto end; */
1001 }
1002 if (vpm)
1003 SSL_CTX_set1_param(ctx, vpm);
1004
1005 if (s_cert2) {
1006 ctx2 = SSL_CTX_new(meth);
1007 if (ctx2 == NULL) {
1008 ERR_print_errors(bio_err);
1009 goto end;
1010 }
1011 }
1012 if (ctx2) {
1013 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1014
1015 if (session_id_prefix) {
1016 if (strlen(session_id_prefix) >= 32)
1017 BIO_printf(bio_err,
1018 "warning: id_prefix is too long, only one new session will be possible\n");
1019 else if (strlen(session_id_prefix) >= 16)
1020 BIO_printf(bio_err,
1021 "warning: id_prefix is too long if you use SSLv2\n");
1022 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1023 BIO_printf(bio_err, "error setting 'id_prefix'\n");
1024 ERR_print_errors(bio_err);
1025 goto end;
1026 }
1027 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1028 }
1029 SSL_CTX_set_quiet_shutdown(ctx2, 1);
1030 if (bugs)
1031 SSL_CTX_set_options(ctx2, SSL_OP_ALL);
1032 SSL_CTX_set_options(ctx2, off);
1033 /*
1034 * DTLS: partial reads end up discarding unread UDP bytes :-(
1035 * Setting read ahead solves this problem.
1036 */
1037 if (socket_type == SOCK_DGRAM)
1038 SSL_CTX_set_read_ahead(ctx2, 1);
1039
1040 if (state)
1041 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1042
1043 if (no_cache)
1044 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1045 else
1046 SSL_CTX_sess_set_cache_size(ctx2, 128);
1047
1048 if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) ||
1049 (!SSL_CTX_set_default_verify_paths(ctx2))) {
1050 ERR_print_errors(bio_err);
1051 }
1052 if (vpm)
1053 SSL_CTX_set1_param(ctx2, vpm);
1054 }
1055 if (alpn_ctx.data)
1056 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1057
1058 #ifndef OPENSSL_NO_DH
1059 if (!no_dhe) {
1060 DH *dh = NULL;
1061
1062 if (dhfile)
1063 dh = load_dh_param(dhfile);
1064 else if (s_cert_file)
1065 dh = load_dh_param(s_cert_file);
1066
1067 if (dh != NULL)
1068 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1069 else
1070 BIO_printf(bio_s_out, "Using auto DH parameters\n");
1071 (void) BIO_flush(bio_s_out);
1072
1073 if (dh == NULL)
1074 SSL_CTX_set_dh_auto(ctx, 1);
1075 else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1076 BIO_printf(bio_err,
1077 "Error setting temp DH parameters\n");
1078 ERR_print_errors(bio_err);
1079 DH_free(dh);
1080 goto end;
1081 }
1082
1083 if (ctx2) {
1084 if (!dhfile) {
1085 DH *dh2 = NULL;
1086
1087 if (s_cert_file2 != NULL)
1088 dh2 = load_dh_param(s_cert_file2);
1089 if (dh2 != NULL) {
1090 BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1091 (void) BIO_flush(bio_s_out);
1092
1093 DH_free(dh);
1094 dh = dh2;
1095 }
1096 }
1097 if (dh == NULL)
1098 SSL_CTX_set_dh_auto(ctx2, 1);
1099 else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1100 BIO_printf(bio_err,
1101 "Error setting temp DH parameters\n");
1102 ERR_print_errors(bio_err);
1103 DH_free(dh);
1104 goto end;
1105 }
1106 }
1107 DH_free(dh);
1108 }
1109 #endif
1110
1111 if (!no_ecdhe) {
1112 EC_KEY *ecdh = NULL;
1113
1114 if (named_curve) {
1115 int nid = OBJ_sn2nid(named_curve);
1116
1117 if (nid == 0) {
1118 BIO_printf(bio_err, "unknown curve name (%s)\n",
1119 named_curve);
1120 goto end;
1121 }
1122 ecdh = EC_KEY_new_by_curve_name(nid);
1123 if (ecdh == NULL) {
1124 BIO_printf(bio_err, "unable to create curve (%s)\n",
1125 named_curve);
1126 goto end;
1127 }
1128 }
1129 if (ecdh != NULL) {
1130 BIO_printf(bio_s_out, "Setting temp ECDH parameters\n");
1131 } else {
1132 BIO_printf(bio_s_out, "Using default temp ECDH parameters\n");
1133 ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1134 if (ecdh == NULL) {
1135 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1136 goto end;
1137 }
1138 }
1139 (void) BIO_flush(bio_s_out);
1140
1141 SSL_CTX_set_tmp_ecdh(ctx, ecdh);
1142 if (ctx2)
1143 SSL_CTX_set_tmp_ecdh(ctx2, ecdh);
1144 EC_KEY_free(ecdh);
1145 }
1146
1147 if (!set_cert_key_stuff(ctx, s_cert, s_key))
1148 goto end;
1149 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2))
1150 goto end;
1151 if (s_dcert != NULL) {
1152 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey))
1153 goto end;
1154 }
1155
1156 if (cipher != NULL) {
1157 if (!SSL_CTX_set_cipher_list(ctx, cipher)) {
1158 BIO_printf(bio_err, "error setting cipher list\n");
1159 ERR_print_errors(bio_err);
1160 goto end;
1161 }
1162 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2, cipher)) {
1163 BIO_printf(bio_err, "error setting cipher list\n");
1164 ERR_print_errors(bio_err);
1165 goto end;
1166 }
1167 }
1168 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
1169 SSL_CTX_set_session_id_context(ctx, (void *) &s_server_session_id_context,
1170 sizeof s_server_session_id_context);
1171
1172 /* Set DTLS cookie generation and verification callbacks */
1173 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1174 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1175
1176 if (ctx2) {
1177 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
1178 SSL_CTX_set_session_id_context(ctx2, (void *) &s_server_session_id_context,
1179 sizeof s_server_session_id_context);
1180
1181 tlsextcbp.biodebug = bio_s_out;
1182 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1183 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1184 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1185 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1186 }
1187
1188 if (CAfile != NULL) {
1189 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
1190 if (ctx2)
1191 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
1192 }
1193 BIO_printf(bio_s_out, "ACCEPT\n");
1194 (void) BIO_flush(bio_s_out);
1195 if (www)
1196 do_server(port, socket_type, &accept_socket, www_body, context);
1197 else
1198 do_server(port, socket_type, &accept_socket, sv_body, context);
1199 print_stats(bio_s_out, ctx);
1200 ret = 0;
1201 end:
1202 SSL_CTX_free(ctx);
1203 X509_free(s_cert);
1204 X509_free(s_dcert);
1205 EVP_PKEY_free(s_key);
1206 EVP_PKEY_free(s_dkey);
1207 free(pass);
1208 free(dpass);
1209 X509_VERIFY_PARAM_free(vpm);
1210 free(tlscstatp.host);
1211 free(tlscstatp.port);
1212 free(tlscstatp.path);
1213 SSL_CTX_free(ctx2);
1214 X509_free(s_cert2);
1215 EVP_PKEY_free(s_key2);
1216 free(alpn_ctx.data);
1217 if (bio_s_out != NULL) {
1218 BIO_free(bio_s_out);
1219 bio_s_out = NULL;
1220 }
1221
1222 return (ret);
1223 }
1224
1225 static void
1226 print_stats(BIO * bio, SSL_CTX * ssl_ctx)
1227 {
1228 BIO_printf(bio, "%4ld items in the session cache\n",
1229 SSL_CTX_sess_number(ssl_ctx));
1230 BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
1231 SSL_CTX_sess_connect(ssl_ctx));
1232 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
1233 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1234 BIO_printf(bio, "%4ld client connects that finished\n",
1235 SSL_CTX_sess_connect_good(ssl_ctx));
1236 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
1237 SSL_CTX_sess_accept(ssl_ctx));
1238 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
1239 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1240 BIO_printf(bio, "%4ld server accepts that finished\n",
1241 SSL_CTX_sess_accept_good(ssl_ctx));
1242 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
1243 BIO_printf(bio, "%4ld session cache misses\n", SSL_CTX_sess_misses(ssl_ctx));
1244 BIO_printf(bio, "%4ld session cache timeouts\n", SSL_CTX_sess_timeouts(ssl_ctx));
1245 BIO_printf(bio, "%4ld callback cache hits\n", SSL_CTX_sess_cb_hits(ssl_ctx));
1246 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
1247 SSL_CTX_sess_cache_full(ssl_ctx),
1248 SSL_CTX_sess_get_cache_size(ssl_ctx));
1249 }
1250
1251 static int
1252 sv_body(char *hostname, int s, unsigned char *context)
1253 {
1254 char *buf = NULL;
1255 int ret = 1;
1256 int k, i;
1257 unsigned long l;
1258 SSL *con = NULL;
1259 BIO *sbio;
1260 struct timeval timeout;
1261
1262 if ((buf = malloc(bufsize)) == NULL) {
1263 BIO_printf(bio_err, "out of memory\n");
1264 goto err;
1265 }
1266 if (s_nbio) {
1267 if (!s_quiet)
1268 BIO_printf(bio_err, "turning on non blocking io\n");
1269 if (!BIO_socket_nbio(s, 1))
1270 ERR_print_errors(bio_err);
1271 }
1272
1273 if (con == NULL) {
1274 con = SSL_new(ctx);
1275 if (s_tlsextdebug) {
1276 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1277 SSL_set_tlsext_debug_arg(con, bio_s_out);
1278 }
1279 if (s_tlsextstatus) {
1280 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1281 tlscstatp.err = bio_err;
1282 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1283 }
1284 if (context)
1285 SSL_set_session_id_context(con, context,
1286 strlen((char *) context));
1287 }
1288 SSL_clear(con);
1289
1290 if (SSL_version(con) == DTLS1_VERSION) {
1291
1292 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1293
1294 if (enable_timeouts) {
1295 timeout.tv_sec = 0;
1296 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1297 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1298
1299 timeout.tv_sec = 0;
1300 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1301 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1302 }
1303 if (socket_mtu > 28) {
1304 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1305 SSL_set_mtu(con, socket_mtu - 28);
1306 } else
1307 /* want to do MTU discovery */
1308 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1309
1310 /* turn on cookie exchange */
1311 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
1312 } else
1313 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1314
1315 if (s_nbio_test) {
1316 BIO *test;
1317
1318 test = BIO_new(BIO_f_nbio_test());
1319 sbio = BIO_push(test, sbio);
1320 }
1321
1322 SSL_set_bio(con, sbio, sbio);
1323 SSL_set_accept_state(con);
1324 /* SSL_set_fd(con,s); */
1325
1326 if (s_debug) {
1327 SSL_set_debug(con, 1);
1328 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
1329 BIO_set_callback_arg(SSL_get_rbio(con), (char *) bio_s_out);
1330 }
1331 if (s_msg) {
1332 SSL_set_msg_callback(con, msg_cb);
1333 SSL_set_msg_callback_arg(con, bio_s_out);
1334 }
1335 if (s_tlsextdebug) {
1336 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1337 SSL_set_tlsext_debug_arg(con, bio_s_out);
1338 }
1339
1340 for (;;) {
1341 int read_from_terminal;
1342 int read_from_sslcon;
1343 struct pollfd pfd[2];
1344 int ptimeout;
1345
1346 read_from_terminal = 0;
1347 read_from_sslcon = SSL_pending(con);
1348
1349 if (!read_from_sslcon) {
1350 pfd[0].fd = fileno(stdin);
1351 pfd[0].events = POLLIN;
1352 pfd[1].fd = s;
1353 pfd[1].events = POLLIN;
1354
1355 if ((SSL_version(con) == DTLS1_VERSION) &&
1356 DTLSv1_get_timeout(con, &timeout))
1357 ptimeout = timeout.tv_sec * 1000 +
1358 timeout.tv_usec / 1000;
1359 else
1360 ptimeout = -1;
1361
1362 i = poll(pfd, 2, ptimeout);
1363
1364 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) {
1365 BIO_printf(bio_err, "TIMEOUT occured\n");
1366 }
1367 if (i <= 0)
1368 continue;
1369 if (pfd[0].revents) {
1370 if ((pfd[0].revents & (POLLERR|POLLNVAL)))
1371 continue;
1372 read_from_terminal = 1;
1373 }
1374 if (pfd[1].revents) {
1375 if ((pfd[1].revents & (POLLERR|POLLNVAL)))
1376 continue;
1377 read_from_sslcon = 1;
1378 }
1379 }
1380 if (read_from_terminal) {
1381 if (s_crlf) {
1382 int j, lf_num;
1383
1384 i = read(fileno(stdin), buf, bufsize / 2);
1385 lf_num = 0;
1386 /* both loops are skipped when i <= 0 */
1387 for (j = 0; j < i; j++)
1388 if (buf[j] == '\n')
1389 lf_num++;
1390 for (j = i - 1; j >= 0; j--) {
1391 buf[j + lf_num] = buf[j];
1392 if (buf[j] == '\n') {
1393 lf_num--;
1394 i++;
1395 buf[j + lf_num] = '\r';
1396 }
1397 }
1398 assert(lf_num == 0);
1399 } else
1400 i = read(fileno(stdin), buf, bufsize);
1401 if (!s_quiet) {
1402 if ((i <= 0) || (buf[0] == 'Q')) {
1403 BIO_printf(bio_s_out, "DONE\n");
1404 shutdown(s, SHUT_RD);
1405 close(s);
1406 close_accept_socket();
1407 ret = -11;
1408 goto err;
1409 }
1410 if ((i <= 0) || (buf[0] == 'q')) {
1411 BIO_printf(bio_s_out, "DONE\n");
1412 if (SSL_version(con) != DTLS1_VERSION) {
1413 shutdown(s, SHUT_RD);
1414 close(s);
1415 }
1416 /*
1417 * close_accept_socket(); ret= -11;
1418 */
1419 goto err;
1420 }
1421 if ((buf[0] == 'r') &&
1422 ((buf[1] == '\n') || (buf[1] == '\r'))) {
1423 SSL_renegotiate(con);
1424 i = SSL_do_handshake(con);
1425 printf("SSL_do_handshake -> %d\n", i);
1426 i = 0; /* 13; */
1427 continue;
1428 /*
1429 * RE-NEGOTIATE\n");
1430 */
1431 }
1432 if ((buf[0] == 'R') &&
1433 ((buf[1] == '\n') || (buf[1] == '\r'))) {
1434 SSL_set_verify(con,
1435 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, NULL);
1436 SSL_renegotiate(con);
1437 i = SSL_do_handshake(con);
1438 printf("SSL_do_handshake -> %d\n", i);
1439 i = 0; /* 13; */
1440 continue;
1441 /*
1442 * RE-NEGOTIATE asking for client
1443 * cert\n");
1444 */
1445 }
1446 if (buf[0] == 'P') {
1447 static const char *str = "Lets print some clear text\n";
1448 BIO_write(SSL_get_wbio(con), str, strlen(str));
1449 }
1450 if (buf[0] == 'S') {
1451 print_stats(bio_s_out, SSL_get_SSL_CTX(con));
1452 }
1453 }
1454 l = k = 0;
1455 for (;;) {
1456 /* should do a select for the write */
1457 #ifdef RENEG
1458 {
1459 static count = 0;
1460 if (++count == 100) {
1461 count = 0;
1462 SSL_renegotiate(con);
1463 }
1464 }
1465 #endif
1466 k = SSL_write(con, &(buf[l]), (unsigned int) i);
1467 switch (SSL_get_error(con, k)) {
1468 case SSL_ERROR_NONE:
1469 break;
1470 case SSL_ERROR_WANT_WRITE:
1471 case SSL_ERROR_WANT_READ:
1472 case SSL_ERROR_WANT_X509_LOOKUP:
1473 BIO_printf(bio_s_out, "Write BLOCK\n");
1474 break;
1475 case SSL_ERROR_SYSCALL:
1476 case SSL_ERROR_SSL:
1477 BIO_printf(bio_s_out, "ERROR\n");
1478 ERR_print_errors(bio_err);
1479 ret = 1;
1480 goto err;
1481 /* break; */
1482 case SSL_ERROR_ZERO_RETURN:
1483 BIO_printf(bio_s_out, "DONE\n");
1484 ret = 1;
1485 goto err;
1486 }
1487 l += k;
1488 i -= k;
1489 if (i <= 0)
1490 break;
1491 }
1492 }
1493 if (read_from_sslcon) {
1494 if (!SSL_is_init_finished(con)) {
1495 i = init_ssl_connection(con);
1496
1497 if (i < 0) {
1498 ret = 0;
1499 goto err;
1500 } else if (i == 0) {
1501 ret = 1;
1502 goto err;
1503 }
1504 } else {
1505 again:
1506 i = SSL_read(con, (char *) buf, bufsize);
1507 switch (SSL_get_error(con, i)) {
1508 case SSL_ERROR_NONE: {
1509 int len, n;
1510 for (len = 0; len < i;) {
1511 do {
1512 n = write(fileno(stdout), buf + len, i - len);
1513 } while (n == -1 && errno == EINTR);
1514
1515 if (n < 0) {
1516 BIO_printf(bio_s_out, "ERROR\n");
1517 goto err;
1518 }
1519 len += n;
1520 }
1521 }
1522 if (SSL_pending(con))
1523 goto again;
1524 break;
1525 case SSL_ERROR_WANT_WRITE:
1526 case SSL_ERROR_WANT_READ:
1527 BIO_printf(bio_s_out, "Read BLOCK\n");
1528 break;
1529 case SSL_ERROR_SYSCALL:
1530 case SSL_ERROR_SSL:
1531 BIO_printf(bio_s_out, "ERROR\n");
1532 ERR_print_errors(bio_err);
1533 ret = 1;
1534 goto err;
1535 case SSL_ERROR_ZERO_RETURN:
1536 BIO_printf(bio_s_out, "DONE\n");
1537 ret = 1;
1538 goto err;
1539 }
1540 }
1541 }
1542 }
1543 err:
1544 if (con != NULL) {
1545 BIO_printf(bio_s_out, "shutting down SSL\n");
1546 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
1547 SSL_free(con);
1548 }
1549 BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
1550 freezero(buf, bufsize);
1551 if (ret >= 0)
1552 BIO_printf(bio_s_out, "ACCEPT\n");
1553 return (ret);
1554 }
1555
1556 static void
1557 close_accept_socket(void)
1558 {
1559 BIO_printf(bio_err, "shutdown accept socket\n");
1560 if (accept_socket >= 0) {
1561 shutdown(accept_socket, SHUT_RDWR);
1562 close(accept_socket);
1563 }
1564 }
1565
1566 static int
1567 init_ssl_connection(SSL * con)
1568 {
1569 int i;
1570 const char *str;
1571 X509 *peer;
1572 long verify_error;
1573 char buf[BUFSIZ];
1574 unsigned char *exportedkeymat;
1575
1576 i = SSL_accept(con);
1577 if (i <= 0) {
1578 if (BIO_sock_should_retry(i)) {
1579 BIO_printf(bio_s_out, "DELAY\n");
1580 return (1);
1581 }
1582 BIO_printf(bio_err, "ERROR\n");
1583 verify_error = SSL_get_verify_result(con);
1584 if (verify_error != X509_V_OK) {
1585 BIO_printf(bio_err, "verify error:%s\n",
1586 X509_verify_cert_error_string(verify_error));
1587 } else
1588 ERR_print_errors(bio_err);
1589 return (0);
1590 }
1591 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
1592
1593 peer = SSL_get_peer_certificate(con);
1594 if (peer != NULL) {
1595 BIO_printf(bio_s_out, "Client certificate\n");
1596 PEM_write_bio_X509(bio_s_out, peer);
1597 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
1598 BIO_printf(bio_s_out, "subject=%s\n", buf);
1599 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
1600 BIO_printf(bio_s_out, "issuer=%s\n", buf);
1601 X509_free(peer);
1602 }
1603 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
1604 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
1605 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1606 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
1607
1608 #ifndef OPENSSL_NO_SRTP
1609 {
1610 SRTP_PROTECTION_PROFILE *srtp_profile
1611 = SSL_get_selected_srtp_profile(con);
1612
1613 if (srtp_profile)
1614 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
1615 srtp_profile->name);
1616 }
1617 #endif
1618 if (SSL_cache_hit(con))
1619 BIO_printf(bio_s_out, "Reused session-id\n");
1620 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
1621 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
1622 if (keymatexportlabel != NULL) {
1623 BIO_printf(bio_s_out, "Keying material exporter:\n");
1624 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
1625 BIO_printf(bio_s_out, " Length: %i bytes\n",
1626 keymatexportlen);
1627 exportedkeymat = malloc(keymatexportlen);
1628 if (exportedkeymat != NULL) {
1629 if (!SSL_export_keying_material(con, exportedkeymat,
1630 keymatexportlen,
1631 keymatexportlabel,
1632 strlen(keymatexportlabel),
1633 NULL, 0, 0)) {
1634 BIO_printf(bio_s_out, " Error\n");
1635 } else {
1636 BIO_printf(bio_s_out, " Keying material: ");
1637 for (i = 0; i < keymatexportlen; i++)
1638 BIO_printf(bio_s_out, "%02X",
1639 exportedkeymat[i]);
1640 BIO_printf(bio_s_out, "\n");
1641 }
1642 free(exportedkeymat);
1643 }
1644 }
1645 return (1);
1646 }
1647
1648 #ifndef OPENSSL_NO_DH
1649 static DH *
1650 load_dh_param(const char *dhfile)
1651 {
1652 DH *ret = NULL;
1653 BIO *bio;
1654
1655 if ((bio = BIO_new_file(dhfile, "r")) == NULL)
1656 goto err;
1657 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
1658 err:
1659 BIO_free(bio);
1660 return (ret);
1661 }
1662 #endif
1663
1664 static int
1665 www_body(char *hostname, int s, unsigned char *context)
1666 {
1667 char *buf = NULL;
1668 int ret = 1;
1669 int i, j, k, dot;
1670 SSL *con;
1671 const SSL_CIPHER *c;
1672 BIO *io, *ssl_bio, *sbio;
1673
1674 buf = malloc(bufsize);
1675 if (buf == NULL)
1676 return (0);
1677 io = BIO_new(BIO_f_buffer());
1678 ssl_bio = BIO_new(BIO_f_ssl());
1679 if ((io == NULL) || (ssl_bio == NULL))
1680 goto err;
1681
1682 if (s_nbio) {
1683 if (!s_quiet)
1684 BIO_printf(bio_err, "turning on non blocking io\n");
1685 if (!BIO_socket_nbio(s, 1))
1686 ERR_print_errors(bio_err);
1687 }
1688
1689 /* lets make the output buffer a reasonable size */
1690 if (!BIO_set_write_buffer_size(io, bufsize))
1691 goto err;
1692
1693 if ((con = SSL_new(ctx)) == NULL)
1694 goto err;
1695 if (s_tlsextdebug) {
1696 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1697 SSL_set_tlsext_debug_arg(con, bio_s_out);
1698 }
1699 if (context)
1700 SSL_set_session_id_context(con, context,
1701 strlen((char *) context));
1702
1703 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1704 if (s_nbio_test) {
1705 BIO *test;
1706
1707 test = BIO_new(BIO_f_nbio_test());
1708 sbio = BIO_push(test, sbio);
1709 }
1710 SSL_set_bio(con, sbio, sbio);
1711 SSL_set_accept_state(con);
1712
1713 /* SSL_set_fd(con,s); */
1714 BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
1715 BIO_push(io, ssl_bio);
1716
1717 if (s_debug) {
1718 SSL_set_debug(con, 1);
1719 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
1720 BIO_set_callback_arg(SSL_get_rbio(con), (char *) bio_s_out);
1721 }
1722 if (s_msg) {
1723 SSL_set_msg_callback(con, msg_cb);
1724 SSL_set_msg_callback_arg(con, bio_s_out);
1725 }
1726 for (;;) {
1727 i = BIO_gets(io, buf, bufsize - 1);
1728 if (i < 0) { /* error */
1729 if (!BIO_should_retry(io)) {
1730 if (!s_quiet)
1731 ERR_print_errors(bio_err);
1732 goto err;
1733 } else {
1734 BIO_printf(bio_s_out, "read R BLOCK\n");
1735 sleep(1);
1736 continue;
1737 }
1738 } else if (i == 0) { /* end of input */
1739 ret = 1;
1740 goto end;
1741 }
1742 /* else we have data */
1743 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
1744 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
1745 char *p;
1746 X509 *peer;
1747 STACK_OF(SSL_CIPHER) * sk;
1748 static const char *space = " ";
1749
1750 BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1751 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1752 BIO_puts(io, "<pre>\n");
1753 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1754 BIO_puts(io, "\n");
1755 for (i = 0; i < local_argc; i++) {
1756 BIO_puts(io, local_argv[i]);
1757 BIO_write(io, " ", 1);
1758 }
1759 BIO_puts(io, "\n");
1760
1761 BIO_printf(io,
1762 "Secure Renegotiation IS%s supported\n",
1763 SSL_get_secure_renegotiation_support(con) ?
1764 "" : " NOT");
1765
1766 /*
1767 * The following is evil and should not really be
1768 * done
1769 */
1770 BIO_printf(io, "Ciphers supported in s_server binary\n");
1771 sk = SSL_get_ciphers(con);
1772 j = sk_SSL_CIPHER_num(sk);
1773 for (i = 0; i < j; i++) {
1774 c = sk_SSL_CIPHER_value(sk, i);
1775 BIO_printf(io, "%-11s:%-25s",
1776 SSL_CIPHER_get_version(c),
1777 SSL_CIPHER_get_name(c));
1778 if ((((i + 1) % 2) == 0) && (i + 1 != j))
1779 BIO_puts(io, "\n");
1780 }
1781 BIO_puts(io, "\n");
1782 p = SSL_get_shared_ciphers(con, buf, bufsize);
1783 if (p != NULL) {
1784 BIO_printf(io, "---\nCiphers common between both SSL end points:\n");
1785 j = i = 0;
1786 while (*p) {
1787 if (*p == ':') {
1788 BIO_write(io, space, 26 - j);
1789 i++;
1790 j = 0;
1791 BIO_write(io, ((i % 3) ? " " : "\n"), 1);
1792 } else {
1793 BIO_write(io, p, 1);
1794 j++;
1795 }
1796 p++;
1797 }
1798 BIO_puts(io, "\n");
1799 }
1800 BIO_printf(io, (SSL_cache_hit(con)
1801 ? "---\nReused, "
1802 : "---\nNew, "));
1803 c = SSL_get_current_cipher(con);
1804 BIO_printf(io, "%s, Cipher is %s\n",
1805 SSL_CIPHER_get_version(c),
1806 SSL_CIPHER_get_name(c));
1807 SSL_SESSION_print(io, SSL_get_session(con));
1808 BIO_printf(io, "---\n");
1809 print_stats(io, SSL_get_SSL_CTX(con));
1810 BIO_printf(io, "---\n");
1811 peer = SSL_get_peer_certificate(con);
1812 if (peer != NULL) {
1813 BIO_printf(io, "Client certificate\n");
1814 X509_print(io, peer);
1815 PEM_write_bio_X509(io, peer);
1816 } else
1817 BIO_puts(io, "no client certificate available\n");
1818 BIO_puts(io, "</BODY></HTML>\r\n\r\n");
1819 break;
1820 } else if ((www == 2 || www == 3)
1821 && (strncmp("GET /", buf, 5) == 0)) {
1822 BIO *file;
1823 char *p, *e;
1824 static const char *text = "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1825
1826 /* skip the '/' */
1827 p = &(buf[5]);
1828
1829 dot = 1;
1830 for (e = p; *e != '\0'; e++) {
1831 if (e[0] == ' ')
1832 break;
1833
1834 switch (dot) {
1835 case 1:
1836 dot = (e[0] == '.') ? 2 : 0;
1837 break;
1838 case 2:
1839 dot = (e[0] == '.') ? 3 : 0;
1840 break;
1841 case 3:
1842 dot = (e[0] == '/') ? -1 : 0;
1843 break;
1844 }
1845 if (dot == 0)
1846 dot = (e[0] == '/') ? 1 : 0;
1847 }
1848 dot = (dot == 3) || (dot == -1); /* filename contains
1849 * ".." component */
1850
1851 if (*e == '\0') {
1852 BIO_puts(io, text);
1853 BIO_printf(io, "'%s' is an invalid file name\r\n", p);
1854 break;
1855 }
1856 *e = '\0';
1857
1858 if (dot) {
1859 BIO_puts(io, text);
1860 BIO_printf(io, "'%s' contains '..' reference\r\n", p);
1861 break;
1862 }
1863 if (*p == '/') {
1864 BIO_puts(io, text);
1865 BIO_printf(io, "'%s' is an invalid path\r\n", p);
1866 break;
1867 }
1868 /* if a directory, do the index thang */
1869 if (app_isdir(p) > 0) {
1870 BIO_puts(io, text);
1871 BIO_printf(io, "'%s' is a directory\r\n", p);
1872 break;
1873 }
1874 if ((file = BIO_new_file(p, "r")) == NULL) {
1875 BIO_puts(io, text);
1876 BIO_printf(io, "Error opening '%s'\r\n", p);
1877 ERR_print_errors(io);
1878 break;
1879 }
1880 if (!s_quiet)
1881 BIO_printf(bio_err, "FILE:%s\n", p);
1882
1883 if (www == 2) {
1884 i = strlen(p);
1885 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
1886 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
1887 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
1888 BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1889 else
1890 BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1891 }
1892 /* send the file */
1893 for (;;) {
1894 i = BIO_read(file, buf, bufsize);
1895 if (i <= 0)
1896 break;
1897
1898 #ifdef RENEG
1899 total_bytes += i;
1900 fprintf(stderr, "%d\n", i);
1901 if (total_bytes > 3 * 1024) {
1902 total_bytes = 0;
1903 fprintf(stderr, "RENEGOTIATE\n");
1904 SSL_renegotiate(con);
1905 }
1906 #endif
1907
1908 for (j = 0; j < i;) {
1909 #ifdef RENEG
1910 {
1911 static count = 0;
1912 if (++count == 13) {
1913 SSL_renegotiate(con);
1914 }
1915 }
1916 #endif
1917 k = BIO_write(io, &(buf[j]), i - j);
1918 if (k <= 0) {
1919 if (!BIO_should_retry(io))
1920 goto write_error;
1921 else {
1922 BIO_printf(bio_s_out, "rwrite W BLOCK\n");
1923 }
1924 } else {
1925 j += k;
1926 }
1927 }
1928 }
1929 write_error:
1930 BIO_free(file);
1931 break;
1932 }
1933 }
1934
1935 for (;;) {
1936 i = (int) BIO_flush(io);
1937 if (i <= 0) {
1938 if (!BIO_should_retry(io))
1939 break;
1940 } else
1941 break;
1942 }
1943 end:
1944 /* make sure we re-use sessions */
1945 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
1946
1947 err:
1948
1949 if (ret >= 0)
1950 BIO_printf(bio_s_out, "ACCEPT\n");
1951
1952 free(buf);
1953 BIO_free_all(io);
1954 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
1955 return (ret);
1956 }
1957
1958 #define MAX_SESSION_ID_ATTEMPTS 10
1959 static int
1960 generate_session_id(const SSL * ssl, unsigned char *id,
1961 unsigned int *id_len)
1962 {
1963 unsigned int count = 0;
1964 do {
1965 arc4random_buf(id, *id_len);
1966 /*
1967 * Prefix the session_id with the required prefix. NB: If our
1968 * prefix is too long, clip it - but there will be worse
1969 * effects anyway, eg. the server could only possibly create
1970 * 1 session ID (ie. the prefix!) so all future session
1971 * negotiations will fail due to conflicts.
1972 */
1973 memcpy(id, session_id_prefix,
1974 (strlen(session_id_prefix) < *id_len) ?
1975 strlen(session_id_prefix) : *id_len);
1976 }
1977 while (SSL_has_matching_session_id(ssl, id, *id_len) &&
1978 (++count < MAX_SESSION_ID_ATTEMPTS));
1979 if (count >= MAX_SESSION_ID_ATTEMPTS)
1980 return 0;
1981 return 1;
1982 }
Unleashed OS