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1.11 ! doug 1: /* $OpenBSD: s_server.c,v 1.10 2015/04/14 12:56:36 jsing Exp $ */
1.1 jsing 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/ioctl.h>
151: #include <sys/socket.h>
152:
153: #include <assert.h>
154: #include <ctype.h>
155: #include <stdio.h>
156: #include <stdlib.h>
157: #include <limits.h>
158: #include <string.h>
159: #include <unistd.h>
1.7 deraadt 160: #include <poll.h>
1.1 jsing 161:
162: #include "apps.h"
163:
164: #include <openssl/bn.h>
165: #include <openssl/err.h>
166: #include <openssl/lhash.h>
167: #include <openssl/ocsp.h>
168: #include <openssl/pem.h>
169: #include <openssl/ssl.h>
170: #include <openssl/x509.h>
171:
172: #ifndef OPENSSL_NO_DH
173: #include <openssl/dh.h>
174: #endif
175:
176: #include <openssl/rsa.h>
177:
178: #include "s_apps.h"
179: #include "timeouts.h"
180:
181: static int sv_body(char *hostname, int s, unsigned char *context);
182: static int www_body(char *hostname, int s, unsigned char *context);
183: static void close_accept_socket(void);
184: static void sv_usage(void);
185: static int init_ssl_connection(SSL * s);
186: static void print_stats(BIO * bp, SSL_CTX * ctx);
187: static int
188: generate_session_id(const SSL * ssl, unsigned char *id,
189: unsigned int *id_len);
190: #ifndef OPENSSL_NO_DH
191: static DH *load_dh_param(const char *dhfile);
192: #endif
193:
194: static void s_server_init(void);
195:
196: /* static int load_CA(SSL_CTX *ctx, char *file);*/
197:
198: #define BUFSIZZ 16*1024
199: static int bufsize = BUFSIZZ;
200: static int accept_socket = -1;
201:
202: #define TEST_CERT "server.pem"
203: #define TEST_CERT2 "server2.pem"
204:
205: static char *cipher = NULL;
206: static int s_server_verify = SSL_VERIFY_NONE;
207: static int s_server_session_id_context = 1; /* anything will do */
208: static const char *s_cert_file = TEST_CERT, *s_key_file = NULL;
209: static const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
210: static char *s_dcert_file = NULL, *s_dkey_file = NULL;
211: static int s_nbio = 0;
212: static int s_nbio_test = 0;
213: int s_crlf = 0;
214: static SSL_CTX *ctx = NULL;
215: static SSL_CTX *ctx2 = NULL;
216: static int www = 0;
217:
218: static BIO *bio_s_out = NULL;
219: static int s_debug = 0;
220: static int s_tlsextdebug = 0;
221: static int s_tlsextstatus = 0;
222: static int cert_status_cb(SSL * s, void *arg);
223: static int s_msg = 0;
224: static int s_quiet = 0;
225:
226: static char *keymatexportlabel = NULL;
227: static int keymatexportlen = 20;
228:
229: #ifndef OPENSSL_NO_ENGINE
230: static char *engine_id = NULL;
231: #endif
232: static const char *session_id_prefix = NULL;
233:
234: static int enable_timeouts = 0;
235: static long socket_mtu;
236: #ifndef OPENSSL_NO_DTLS1
237: static int cert_chain = 0;
238: #endif
239:
240:
241:
242:
243: static void
244: s_server_init(void)
245: {
246: accept_socket = -1;
247: cipher = NULL;
248: s_server_verify = SSL_VERIFY_NONE;
249: s_dcert_file = NULL;
250: s_dkey_file = NULL;
251: s_cert_file = TEST_CERT;
252: s_key_file = NULL;
253: s_cert_file2 = TEST_CERT2;
254: s_key_file2 = NULL;
255: ctx2 = NULL;
256: s_nbio = 0;
257: s_nbio_test = 0;
258: ctx = NULL;
259: www = 0;
260:
261: bio_s_out = NULL;
262: s_debug = 0;
263: s_msg = 0;
264: s_quiet = 0;
265: #ifndef OPENSSL_NO_ENGINE
266: engine_id = NULL;
267: #endif
268: }
269:
270: static void
271: sv_usage(void)
272: {
273: BIO_printf(bio_err, "usage: s_server [args ...]\n");
274: BIO_printf(bio_err, "\n");
275: BIO_printf(bio_err, " -accept arg - port to accept on (default is %d)\n", PORT);
276: BIO_printf(bio_err, " -context arg - set session ID context\n");
277: BIO_printf(bio_err, " -verify arg - turn on peer certificate verification\n");
278: BIO_printf(bio_err, " -Verify arg - turn on peer certificate verification, must have a cert.\n");
279: BIO_printf(bio_err, " -cert arg - certificate file to use\n");
280: BIO_printf(bio_err, " (default is %s)\n", TEST_CERT);
281: BIO_printf(bio_err, " -crl_check - check the peer certificate has not been revoked by its CA.\n" \
282: " The CRL(s) are appended to the certificate file\n");
283: BIO_printf(bio_err, " -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
284: " or any other CRL in the CA chain. CRL(s) are appended to the\n" \
285: " the certificate file.\n");
286: BIO_printf(bio_err, " -certform arg - certificate format (PEM or DER) PEM default\n");
287: BIO_printf(bio_err, " -key arg - Private Key file to use, in cert file if\n");
288: BIO_printf(bio_err, " not specified (default is %s)\n", TEST_CERT);
289: BIO_printf(bio_err, " -keyform arg - key format (PEM, DER or ENGINE) PEM default\n");
290: BIO_printf(bio_err, " -pass arg - private key file pass phrase source\n");
291: BIO_printf(bio_err, " -dcert arg - second certificate file to use (usually for DSA)\n");
292: BIO_printf(bio_err, " -dcertform x - second certificate format (PEM or DER) PEM default\n");
293: BIO_printf(bio_err, " -dkey arg - second private key file to use (usually for DSA)\n");
294: BIO_printf(bio_err, " -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
295: BIO_printf(bio_err, " -dpass arg - second private key file pass phrase source\n");
296: BIO_printf(bio_err, " -dhparam arg - DH parameter file to use, in cert file if not specified\n");
297: BIO_printf(bio_err, " or a default set of parameters is used\n");
298: BIO_printf(bio_err, " -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" \
299: " Use \"openssl ecparam -list_curves\" for all names\n" \
300: " (default is nistp256).\n");
301: BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n");
302: BIO_printf(bio_err, " -nbio_test - test with the non-blocking test bio\n");
303: BIO_printf(bio_err, " -crlf - convert LF from terminal into CRLF\n");
304: BIO_printf(bio_err, " -debug - Print more output\n");
305: BIO_printf(bio_err, " -msg - Show protocol messages\n");
306: BIO_printf(bio_err, " -state - Print the SSL states\n");
307: BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n");
308: BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n");
309: BIO_printf(bio_err, " -nocert - Don't use any certificates (Anon-DH)\n");
310: BIO_printf(bio_err, " -cipher arg - play with 'openssl ciphers' to see what goes here\n");
311: BIO_printf(bio_err, " -serverpref - Use server's cipher preferences\n");
312: BIO_printf(bio_err, " -quiet - Inhibit printing of session and certificate information\n");
313: BIO_printf(bio_err, " -ssl3 - Just talk SSLv3\n");
314: BIO_printf(bio_err, " -tls1_2 - Just talk TLSv1.2\n");
315: BIO_printf(bio_err, " -tls1_1 - Just talk TLSv1.1\n");
316: BIO_printf(bio_err, " -tls1 - Just talk TLSv1\n");
317: BIO_printf(bio_err, " -dtls1 - Just talk DTLSv1\n");
318: BIO_printf(bio_err, " -timeout - Enable timeouts\n");
319: BIO_printf(bio_err, " -mtu - Set link layer MTU\n");
320: BIO_printf(bio_err, " -chain - Read a certificate chain\n");
321: BIO_printf(bio_err, " -no_ssl2 - Just disable SSLv2\n");
322: BIO_printf(bio_err, " -no_ssl3 - Just disable SSLv3\n");
323: BIO_printf(bio_err, " -no_tls1 - Just disable TLSv1\n");
324: BIO_printf(bio_err, " -no_tls1_1 - Just disable TLSv1.1\n");
325: BIO_printf(bio_err, " -no_tls1_2 - Just disable TLSv1.2\n");
326: #ifndef OPENSSL_NO_DH
327: BIO_printf(bio_err, " -no_dhe - Disable ephemeral DH\n");
328: #endif
329: BIO_printf(bio_err, " -no_ecdhe - Disable ephemeral ECDH\n");
330: BIO_printf(bio_err, " -bugs - Turn on SSL bug compatibility\n");
331: BIO_printf(bio_err, " -www - Respond to a 'GET /' with a status page\n");
332: BIO_printf(bio_err, " -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
333: BIO_printf(bio_err, " -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
334: BIO_printf(bio_err, " with the assumption it contains a complete HTTP response.\n");
335: #ifndef OPENSSL_NO_ENGINE
336: BIO_printf(bio_err, " -engine id - Initialise and use the specified engine\n");
337: #endif
338: BIO_printf(bio_err, " -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
339: BIO_printf(bio_err, " -servername host - servername for HostName TLS extension\n");
340: BIO_printf(bio_err, " -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
341: BIO_printf(bio_err, " -cert2 arg - certificate file to use for servername\n");
342: BIO_printf(bio_err, " (default is %s)\n", TEST_CERT2);
343: BIO_printf(bio_err, " -key2 arg - Private Key file to use for servername, in cert file if\n");
344: BIO_printf(bio_err, " not specified (default is %s)\n", TEST_CERT2);
345: BIO_printf(bio_err, " -tlsextdebug - hex dump of all TLS extensions received\n");
346: BIO_printf(bio_err, " -no_ticket - disable use of RFC4507bis session tickets\n");
347: BIO_printf(bio_err, " -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
1.8 jsing 348: BIO_printf(bio_err," -alpn arg - set the advertised protocols for the ALPN extension (comma-separated list)\n");
1.1 jsing 349: #ifndef OPENSSL_NO_SRTP
350: BIO_printf(bio_err, " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
351: #endif
352: BIO_printf(bio_err, " -keymatexport label - Export keying material using label\n");
353: BIO_printf(bio_err, " -keymatexportlen len - Export len bytes of keying material (default 20)\n");
354: }
355:
356: static int local_argc = 0;
357: static char **local_argv;
358:
359:
360: /* This is a context that we pass to callbacks */
361: typedef struct tlsextctx_st {
362: char *servername;
363: BIO *biodebug;
364: int extension_error;
365: } tlsextctx;
366:
367:
368: static int
369: ssl_servername_cb(SSL * s, int *ad, void *arg)
370: {
371: tlsextctx *p = (tlsextctx *) arg;
372: const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
373: if (servername && p->biodebug)
374: BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n", servername);
375:
376: if (!p->servername)
377: return SSL_TLSEXT_ERR_NOACK;
378:
379: if (servername) {
380: if (strcmp(servername, p->servername))
381: return p->extension_error;
382: if (ctx2) {
383: BIO_printf(p->biodebug, "Switching server context.\n");
384: SSL_set_SSL_CTX(s, ctx2);
385: }
386: }
387: return SSL_TLSEXT_ERR_OK;
388: }
389:
390: /* Structure passed to cert status callback */
391:
392: typedef struct tlsextstatusctx_st {
393: /* Default responder to use */
394: char *host, *path, *port;
395: int use_ssl;
396: int timeout;
397: BIO *err;
398: int verbose;
399: } tlsextstatusctx;
400:
401: static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
402:
403: /* Certificate Status callback. This is called when a client includes a
404: * certificate status request extension.
405: *
406: * This is a simplified version. It examines certificates each time and
407: * makes one OCSP responder query for each request.
408: *
409: * A full version would store details such as the OCSP certificate IDs and
410: * minimise the number of OCSP responses by caching them until they were
411: * considered "expired".
412: */
413:
414: static int
415: cert_status_cb(SSL * s, void *arg)
416: {
417: tlsextstatusctx *srctx = arg;
418: BIO *err = srctx->err;
419: char *host, *port, *path;
420: int use_ssl;
421: unsigned char *rspder = NULL;
422: int rspderlen;
423: STACK_OF(OPENSSL_STRING) * aia = NULL;
424: X509 *x = NULL;
425: X509_STORE_CTX inctx;
426: X509_OBJECT obj;
427: OCSP_REQUEST *req = NULL;
428: OCSP_RESPONSE *resp = NULL;
429: OCSP_CERTID *id = NULL;
430: STACK_OF(X509_EXTENSION) * exts;
431: int ret = SSL_TLSEXT_ERR_NOACK;
432: int i;
433:
434: if (srctx->verbose)
435: BIO_puts(err, "cert_status: callback called\n");
436: /* Build up OCSP query from server certificate */
437: x = SSL_get_certificate(s);
438: aia = X509_get1_ocsp(x);
439: if (aia) {
440: if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
441: &host, &port, &path, &use_ssl)) {
442: BIO_puts(err, "cert_status: can't parse AIA URL\n");
443: goto err;
444: }
445: if (srctx->verbose)
446: BIO_printf(err, "cert_status: AIA URL: %s\n",
447: sk_OPENSSL_STRING_value(aia, 0));
448: } else {
449: if (!srctx->host) {
450: BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
451: goto done;
452: }
453: host = srctx->host;
454: path = srctx->path;
455: port = srctx->port;
456: use_ssl = srctx->use_ssl;
457: }
458:
459: if (!X509_STORE_CTX_init(&inctx,
460: SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
461: NULL, NULL))
462: goto err;
463: if (X509_STORE_get_by_subject(&inctx, X509_LU_X509,
464: X509_get_issuer_name(x), &obj) <= 0) {
465: BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
466: X509_STORE_CTX_cleanup(&inctx);
467: goto done;
468: }
469: req = OCSP_REQUEST_new();
470: if (!req)
471: goto err;
472: id = OCSP_cert_to_id(NULL, x, obj.data.x509);
473: X509_free(obj.data.x509);
474: X509_STORE_CTX_cleanup(&inctx);
475: if (!id)
476: goto err;
477: if (!OCSP_request_add0_id(req, id))
478: goto err;
479: id = NULL;
480: /* Add any extensions to the request */
481: SSL_get_tlsext_status_exts(s, &exts);
482: for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
483: X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
484: if (!OCSP_REQUEST_add_ext(req, ext, -1))
485: goto err;
486: }
487: resp = process_responder(err, req, host, path, port, use_ssl, NULL,
488: srctx->timeout);
489: if (!resp) {
490: BIO_puts(err, "cert_status: error querying responder\n");
491: goto done;
492: }
493: rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
494: if (rspderlen <= 0)
495: goto err;
496: SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
497: if (srctx->verbose) {
498: BIO_puts(err, "cert_status: ocsp response sent:\n");
499: OCSP_RESPONSE_print(err, resp, 2);
500: }
501: ret = SSL_TLSEXT_ERR_OK;
502: done:
503: if (ret != SSL_TLSEXT_ERR_OK)
504: ERR_print_errors(err);
505: if (aia) {
506: free(host);
507: free(path);
508: free(port);
509: X509_email_free(aia);
510: }
511: if (id)
512: OCSP_CERTID_free(id);
513: if (req)
514: OCSP_REQUEST_free(req);
515: if (resp)
516: OCSP_RESPONSE_free(resp);
517: return ret;
518: err:
519: ret = SSL_TLSEXT_ERR_ALERT_FATAL;
520: goto done;
521: }
522:
523: /* This is the context that we pass to next_proto_cb */
524: typedef struct tlsextnextprotoctx_st {
525: unsigned char *data;
526: unsigned int len;
527: } tlsextnextprotoctx;
528:
529: static int
530: next_proto_cb(SSL * s, const unsigned char **data, unsigned int *len, void *arg)
531: {
532: tlsextnextprotoctx *next_proto = arg;
533:
534: *data = next_proto->data;
535: *len = next_proto->len;
536:
537: return SSL_TLSEXT_ERR_OK;
538: }
539:
540:
1.8 jsing 541: /* This the context that we pass to alpn_cb */
542: typedef struct tlsextalpnctx_st {
543: unsigned char *data;
544: unsigned short len;
545: } tlsextalpnctx;
546:
547: static int
548: alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
549: const unsigned char *in, unsigned int inlen, void *arg)
550: {
551: tlsextalpnctx *alpn_ctx = arg;
552:
553: if (!s_quiet) {
554: /* We can assume that in is syntactically valid. */
555: unsigned i;
556:
557: BIO_printf(bio_s_out,
558: "ALPN protocols advertised by the client: ");
559: for (i = 0; i < inlen; ) {
560: if (i)
561: BIO_write(bio_s_out, ", ", 2);
562: BIO_write(bio_s_out, &in[i + 1], in[i]);
563: i += in[i] + 1;
564: }
565: BIO_write(bio_s_out, "\n", 1);
566: }
567:
568: if (SSL_select_next_proto((unsigned char**)out, outlen, alpn_ctx->data,
569: alpn_ctx->len, in, inlen) != OPENSSL_NPN_NEGOTIATED)
570: return (SSL_TLSEXT_ERR_NOACK);
571:
572: if (!s_quiet) {
573: BIO_printf(bio_s_out, "ALPN protocols selected: ");
574: BIO_write(bio_s_out, *out, *outlen);
575: BIO_write(bio_s_out, "\n", 1);
576: }
577:
578: return (SSL_TLSEXT_ERR_OK);
579: }
1.1 jsing 580:
581: int s_server_main(int, char **);
582:
583: #ifndef OPENSSL_NO_SRTP
584: static char *srtp_profiles = NULL;
585: #endif
586:
587: int
588: s_server_main(int argc, char *argv[])
589: {
590: X509_VERIFY_PARAM *vpm = NULL;
591: int badarg = 0;
592: short port = PORT;
593: char *CApath = NULL, *CAfile = NULL;
594: unsigned char *context = NULL;
595: char *dhfile = NULL;
596: char *named_curve = NULL;
597: int badop = 0, bugs = 0;
598: int ret = 1;
599: int off = 0;
1.5 jsing 600: int no_dhe = 0, no_ecdhe = 0, nocert = 0;
1.1 jsing 601: int state = 0;
602: const SSL_METHOD *meth = NULL;
603: int socket_type = SOCK_STREAM;
604: ENGINE *e = NULL;
605: int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
606: char *passarg = NULL, *pass = NULL;
607: char *dpassarg = NULL, *dpass = NULL;
608: int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
609: X509 *s_cert = NULL, *s_dcert = NULL;
610: EVP_PKEY *s_key = NULL, *s_dkey = NULL;
611: int no_cache = 0;
612: const char *errstr = NULL;
613: EVP_PKEY *s_key2 = NULL;
614: X509 *s_cert2 = NULL;
615: tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
616: const char *next_proto_neg_in = NULL;
1.8 jsing 617: tlsextnextprotoctx next_proto = { NULL, 0 };
618: const char *alpn_in = NULL;
619: tlsextalpnctx alpn_ctx = { NULL, 0 };
1.1 jsing 620: meth = SSLv23_server_method();
621:
622: local_argc = argc;
623: local_argv = argv;
624:
625: s_server_init();
626:
627: verify_depth = 0;
628: s_nbio = 0;
629: s_nbio_test = 0;
630:
631: argc--;
632: argv++;
633:
634: while (argc >= 1) {
635: if ((strcmp(*argv, "-port") == 0) ||
636: (strcmp(*argv, "-accept") == 0)) {
637: if (--argc < 1)
638: goto bad;
639: if (!extract_port(*(++argv), &port))
640: goto bad;
641: } else if (strcmp(*argv, "-verify") == 0) {
642: s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
643: if (--argc < 1)
644: goto bad;
645: verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr);
646: if (errstr)
647: goto bad;
648: BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
649: } else if (strcmp(*argv, "-Verify") == 0) {
650: s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
651: SSL_VERIFY_CLIENT_ONCE;
652: if (--argc < 1)
653: goto bad;
654: verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr);
655: if (errstr)
656: goto bad;
657: BIO_printf(bio_err, "verify depth is %d, must return a certificate\n", verify_depth);
658: } else if (strcmp(*argv, "-context") == 0) {
659: if (--argc < 1)
660: goto bad;
661: context = (unsigned char *) *(++argv);
662: } else if (strcmp(*argv, "-cert") == 0) {
663: if (--argc < 1)
664: goto bad;
665: s_cert_file = *(++argv);
666: } else if (strcmp(*argv, "-certform") == 0) {
667: if (--argc < 1)
668: goto bad;
669: s_cert_format = str2fmt(*(++argv));
670: } else if (strcmp(*argv, "-key") == 0) {
671: if (--argc < 1)
672: goto bad;
673: s_key_file = *(++argv);
674: } else if (strcmp(*argv, "-keyform") == 0) {
675: if (--argc < 1)
676: goto bad;
677: s_key_format = str2fmt(*(++argv));
678: } else if (strcmp(*argv, "-pass") == 0) {
679: if (--argc < 1)
680: goto bad;
681: passarg = *(++argv);
682: } else if (strcmp(*argv, "-dhparam") == 0) {
683: if (--argc < 1)
684: goto bad;
685: dhfile = *(++argv);
686: }
687: else if (strcmp(*argv, "-named_curve") == 0) {
688: if (--argc < 1)
689: goto bad;
690: named_curve = *(++argv);
691: }
692: else if (strcmp(*argv, "-dcertform") == 0) {
693: if (--argc < 1)
694: goto bad;
695: s_dcert_format = str2fmt(*(++argv));
696: } else if (strcmp(*argv, "-dcert") == 0) {
697: if (--argc < 1)
698: goto bad;
699: s_dcert_file = *(++argv);
700: } else if (strcmp(*argv, "-dkeyform") == 0) {
701: if (--argc < 1)
702: goto bad;
703: s_dkey_format = str2fmt(*(++argv));
704: } else if (strcmp(*argv, "-dpass") == 0) {
705: if (--argc < 1)
706: goto bad;
707: dpassarg = *(++argv);
708: } else if (strcmp(*argv, "-dkey") == 0) {
709: if (--argc < 1)
710: goto bad;
711: s_dkey_file = *(++argv);
712: } else if (strcmp(*argv, "-nocert") == 0) {
713: nocert = 1;
714: } else if (strcmp(*argv, "-CApath") == 0) {
715: if (--argc < 1)
716: goto bad;
717: CApath = *(++argv);
718: } else if (strcmp(*argv, "-no_cache") == 0)
719: no_cache = 1;
720: else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
721: if (badarg)
722: goto bad;
723: continue;
724: } else if (strcmp(*argv, "-verify_return_error") == 0)
725: verify_return_error = 1;
726: else if (strcmp(*argv, "-serverpref") == 0) {
727: off |= SSL_OP_CIPHER_SERVER_PREFERENCE;
728: } else if (strcmp(*argv, "-legacy_renegotiation") == 0)
729: ; /* no-op */
730: else if (strcmp(*argv, "-cipher") == 0) {
731: if (--argc < 1)
732: goto bad;
733: cipher = *(++argv);
734: } else if (strcmp(*argv, "-CAfile") == 0) {
735: if (--argc < 1)
736: goto bad;
737: CAfile = *(++argv);
738: }
739: else if (strcmp(*argv, "-nbio") == 0) {
740: s_nbio = 1;
741: }
742: else if (strcmp(*argv, "-nbio_test") == 0) {
743: s_nbio = 1;
744: s_nbio_test = 1;
745: } else if (strcmp(*argv, "-debug") == 0) {
746: s_debug = 1;
747: }
748: else if (strcmp(*argv, "-tlsextdebug") == 0)
749: s_tlsextdebug = 1;
750: else if (strcmp(*argv, "-status") == 0)
751: s_tlsextstatus = 1;
752: else if (strcmp(*argv, "-status_verbose") == 0) {
753: s_tlsextstatus = 1;
754: tlscstatp.verbose = 1;
755: } else if (!strcmp(*argv, "-status_timeout")) {
756: s_tlsextstatus = 1;
757: if (--argc < 1)
758: goto bad;
759: tlscstatp.timeout = strtonum(*(++argv), 0, INT_MAX, &errstr);
760: if (errstr)
761: goto bad;
762: } else if (!strcmp(*argv, "-status_url")) {
763: s_tlsextstatus = 1;
764: if (--argc < 1)
765: goto bad;
766: if (!OCSP_parse_url(*(++argv),
767: &tlscstatp.host,
768: &tlscstatp.port,
769: &tlscstatp.path,
770: &tlscstatp.use_ssl)) {
771: BIO_printf(bio_err, "Error parsing URL\n");
772: goto bad;
773: }
774: }
775: else if (strcmp(*argv, "-msg") == 0) {
776: s_msg = 1;
777: } else if (strcmp(*argv, "-state") == 0) {
778: state = 1;
779: } else if (strcmp(*argv, "-crlf") == 0) {
780: s_crlf = 1;
781: } else if (strcmp(*argv, "-quiet") == 0) {
782: s_quiet = 1;
783: } else if (strcmp(*argv, "-bugs") == 0) {
784: bugs = 1;
785: } else if (strcmp(*argv, "-no_tmp_rsa") == 0) {
1.5 jsing 786: /* No-op. */
1.1 jsing 787: } else if (strcmp(*argv, "-no_dhe") == 0) {
788: no_dhe = 1;
789: } else if (strcmp(*argv, "-no_ecdhe") == 0) {
790: no_ecdhe = 1;
1.5 jsing 791: } else if (strcmp(*argv, "-www") == 0) {
1.1 jsing 792: www = 1;
793: } else if (strcmp(*argv, "-WWW") == 0) {
794: www = 2;
795: } else if (strcmp(*argv, "-HTTP") == 0) {
796: www = 3;
797: } else if (strcmp(*argv, "-no_ssl2") == 0) {
798: off |= SSL_OP_NO_SSLv2;
799: } else if (strcmp(*argv, "-no_ssl3") == 0) {
800: off |= SSL_OP_NO_SSLv3;
801: } else if (strcmp(*argv, "-no_tls1") == 0) {
802: off |= SSL_OP_NO_TLSv1;
803: } else if (strcmp(*argv, "-no_tls1_1") == 0) {
804: off |= SSL_OP_NO_TLSv1_1;
805: } else if (strcmp(*argv, "-no_tls1_2") == 0) {
806: off |= SSL_OP_NO_TLSv1_2;
807: } else if (strcmp(*argv, "-no_comp") == 0) {
808: off |= SSL_OP_NO_COMPRESSION;
809: }
810: else if (strcmp(*argv, "-no_ticket") == 0) {
811: off |= SSL_OP_NO_TICKET;
812: }
813: else if (strcmp(*argv, "-ssl3") == 0) {
814: meth = SSLv3_server_method();
815: } else if (strcmp(*argv, "-tls1") == 0) {
816: meth = TLSv1_server_method();
817: } else if (strcmp(*argv, "-tls1_1") == 0) {
818: meth = TLSv1_1_server_method();
819: } else if (strcmp(*argv, "-tls1_2") == 0) {
820: meth = TLSv1_2_server_method();
821: }
822: #ifndef OPENSSL_NO_DTLS1
823: else if (strcmp(*argv, "-dtls1") == 0) {
824: meth = DTLSv1_server_method();
825: socket_type = SOCK_DGRAM;
826: } else if (strcmp(*argv, "-timeout") == 0)
827: enable_timeouts = 1;
828: else if (strcmp(*argv, "-mtu") == 0) {
829: if (--argc < 1)
830: goto bad;
831: socket_mtu = strtonum(*(++argv), 0, LONG_MAX, &errstr);
832: if (errstr)
833: goto bad;
834: } else if (strcmp(*argv, "-chain") == 0)
835: cert_chain = 1;
836: #endif
837: else if (strcmp(*argv, "-id_prefix") == 0) {
838: if (--argc < 1)
839: goto bad;
840: session_id_prefix = *(++argv);
841: }
842: #ifndef OPENSSL_NO_ENGINE
843: else if (strcmp(*argv, "-engine") == 0) {
844: if (--argc < 1)
845: goto bad;
846: engine_id = *(++argv);
847: }
848: #endif
849: else if (strcmp(*argv, "-servername") == 0) {
850: if (--argc < 1)
851: goto bad;
852: tlsextcbp.servername = *(++argv);
853: } else if (strcmp(*argv, "-servername_fatal") == 0) {
854: tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
855: } else if (strcmp(*argv, "-cert2") == 0) {
856: if (--argc < 1)
857: goto bad;
858: s_cert_file2 = *(++argv);
859: } else if (strcmp(*argv, "-key2") == 0) {
860: if (--argc < 1)
861: goto bad;
862: s_key_file2 = *(++argv);
863: }
864: else if (strcmp(*argv, "-nextprotoneg") == 0) {
865: if (--argc < 1)
866: goto bad;
867: next_proto_neg_in = *(++argv);
868: }
1.8 jsing 869: else if (strcmp(*argv,"-alpn") == 0) {
870: if (--argc < 1)
871: goto bad;
872: alpn_in = *(++argv);
873: }
1.1 jsing 874: #ifndef OPENSSL_NO_SRTP
875: else if (strcmp(*argv, "-use_srtp") == 0) {
876: if (--argc < 1)
877: goto bad;
878: srtp_profiles = *(++argv);
879: }
880: #endif
881: else if (strcmp(*argv, "-keymatexport") == 0) {
882: if (--argc < 1)
883: goto bad;
884: keymatexportlabel = *(++argv);
885: } else if (strcmp(*argv, "-keymatexportlen") == 0) {
886: if (--argc < 1)
887: goto bad;
888: keymatexportlen = strtonum(*(++argv), 1, INT_MAX, &errstr);
889: if (errstr)
890: goto bad;
891: } else {
892: BIO_printf(bio_err, "unknown option %s\n", *argv);
893: badop = 1;
894: break;
895: }
896: argc--;
897: argv++;
898: }
899: if (badop) {
900: bad:
901: if (errstr)
902: BIO_printf(bio_err, "invalid argument %s: %s\n",
903: *argv, errstr);
904: else
905: sv_usage();
906: goto end;
907: }
908:
909: #ifndef OPENSSL_NO_ENGINE
910: e = setup_engine(bio_err, engine_id, 1);
911: #endif
912:
913: if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) {
914: BIO_printf(bio_err, "Error getting password\n");
915: goto end;
916: }
917: if (s_key_file == NULL)
918: s_key_file = s_cert_file;
919: if (s_key_file2 == NULL)
920: s_key_file2 = s_cert_file2;
921:
922: if (nocert == 0) {
923: s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
924: "server certificate private key file");
925: if (!s_key) {
926: ERR_print_errors(bio_err);
927: goto end;
928: }
929: s_cert = load_cert(bio_err, s_cert_file, s_cert_format,
930: NULL, e, "server certificate file");
931:
932: if (!s_cert) {
933: ERR_print_errors(bio_err);
934: goto end;
935: }
936: if (tlsextcbp.servername) {
937: s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
938: "second server certificate private key file");
939: if (!s_key2) {
940: ERR_print_errors(bio_err);
941: goto end;
942: }
943: s_cert2 = load_cert(bio_err, s_cert_file2, s_cert_format,
944: NULL, e, "second server certificate file");
945:
946: if (!s_cert2) {
947: ERR_print_errors(bio_err);
948: goto end;
949: }
950: }
951: }
952: if (next_proto_neg_in) {
953: unsigned short len;
954: next_proto.data = next_protos_parse(&len, next_proto_neg_in);
955: if (next_proto.data == NULL)
956: goto end;
957: next_proto.len = len;
958: } else {
959: next_proto.data = NULL;
960: }
1.8 jsing 961: alpn_ctx.data = NULL;
962: if (alpn_in) {
963: unsigned short len;
964: alpn_ctx.data = next_protos_parse(&len, alpn_in);
965: if (alpn_ctx.data == NULL)
966: goto end;
967: alpn_ctx.len = len;
968: }
1.1 jsing 969:
970: if (s_dcert_file) {
971:
972: if (s_dkey_file == NULL)
973: s_dkey_file = s_dcert_file;
974:
975: s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
976: 0, dpass, e,
977: "second certificate private key file");
978: if (!s_dkey) {
979: ERR_print_errors(bio_err);
980: goto end;
981: }
982: s_dcert = load_cert(bio_err, s_dcert_file, s_dcert_format,
983: NULL, e, "second server certificate file");
984:
985: if (!s_dcert) {
986: ERR_print_errors(bio_err);
987: goto end;
988: }
989: }
990: if (bio_s_out == NULL) {
991: if (s_quiet && !s_debug && !s_msg) {
992: bio_s_out = BIO_new(BIO_s_null());
993: } else {
994: if (bio_s_out == NULL)
995: bio_s_out = BIO_new_fp(stdout, BIO_NOCLOSE);
996: }
997: }
1.8 jsing 998: if (nocert) {
1.1 jsing 999: s_cert_file = NULL;
1000: s_key_file = NULL;
1001: s_dcert_file = NULL;
1002: s_dkey_file = NULL;
1003: s_cert_file2 = NULL;
1004: s_key_file2 = NULL;
1005: }
1006: ctx = SSL_CTX_new(meth);
1007: if (ctx == NULL) {
1008: ERR_print_errors(bio_err);
1009: goto end;
1010: }
1011: if (session_id_prefix) {
1012: if (strlen(session_id_prefix) >= 32)
1013: BIO_printf(bio_err,
1014: "warning: id_prefix is too long, only one new session will be possible\n");
1015: else if (strlen(session_id_prefix) >= 16)
1016: BIO_printf(bio_err,
1017: "warning: id_prefix is too long if you use SSLv2\n");
1018: if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1019: BIO_printf(bio_err, "error setting 'id_prefix'\n");
1020: ERR_print_errors(bio_err);
1021: goto end;
1022: }
1023: BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1024: }
1025: SSL_CTX_set_quiet_shutdown(ctx, 1);
1026: if (bugs)
1027: SSL_CTX_set_options(ctx, SSL_OP_ALL);
1028: SSL_CTX_set_options(ctx, off);
1029: /*
1030: * DTLS: partial reads end up discarding unread UDP bytes :-( Setting
1031: * read ahead solves this problem.
1032: */
1033: if (socket_type == SOCK_DGRAM)
1034: SSL_CTX_set_read_ahead(ctx, 1);
1035:
1036: if (state)
1037: SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1038: if (no_cache)
1039: SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1040: else
1041: SSL_CTX_sess_set_cache_size(ctx, 128);
1042:
1043: #ifndef OPENSSL_NO_SRTP
1044: if (srtp_profiles != NULL)
1045: SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1046: #endif
1047:
1048:
1049: if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) ||
1050: (!SSL_CTX_set_default_verify_paths(ctx))) {
1051: /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1052: ERR_print_errors(bio_err);
1053: /* goto end; */
1054: }
1055: if (vpm)
1056: SSL_CTX_set1_param(ctx, vpm);
1057:
1058: if (s_cert2) {
1059: ctx2 = SSL_CTX_new(meth);
1060: if (ctx2 == NULL) {
1061: ERR_print_errors(bio_err);
1062: goto end;
1063: }
1064: }
1065: if (ctx2) {
1066: BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1067:
1068: if (session_id_prefix) {
1069: if (strlen(session_id_prefix) >= 32)
1070: BIO_printf(bio_err,
1071: "warning: id_prefix is too long, only one new session will be possible\n");
1072: else if (strlen(session_id_prefix) >= 16)
1073: BIO_printf(bio_err,
1074: "warning: id_prefix is too long if you use SSLv2\n");
1075: if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1076: BIO_printf(bio_err, "error setting 'id_prefix'\n");
1077: ERR_print_errors(bio_err);
1078: goto end;
1079: }
1080: BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1081: }
1082: SSL_CTX_set_quiet_shutdown(ctx2, 1);
1083: if (bugs)
1084: SSL_CTX_set_options(ctx2, SSL_OP_ALL);
1085: SSL_CTX_set_options(ctx2, off);
1086: /*
1087: * DTLS: partial reads end up discarding unread UDP bytes :-(
1088: * Setting read ahead solves this problem.
1089: */
1090: if (socket_type == SOCK_DGRAM)
1091: SSL_CTX_set_read_ahead(ctx2, 1);
1092:
1093: if (state)
1094: SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1095:
1096: if (no_cache)
1097: SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1098: else
1099: SSL_CTX_sess_set_cache_size(ctx2, 128);
1100:
1101: if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) ||
1102: (!SSL_CTX_set_default_verify_paths(ctx2))) {
1103: ERR_print_errors(bio_err);
1104: }
1105: if (vpm)
1106: SSL_CTX_set1_param(ctx2, vpm);
1107: }
1108: if (next_proto.data)
1109: SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1.8 jsing 1110: if (alpn_ctx.data)
1111: SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1.1 jsing 1112:
1113: #ifndef OPENSSL_NO_DH
1114: if (!no_dhe) {
1115: DH *dh = NULL;
1116:
1117: if (dhfile)
1118: dh = load_dh_param(dhfile);
1119: else if (s_cert_file)
1120: dh = load_dh_param(s_cert_file);
1121:
1.4 jsing 1122: if (dh != NULL)
1.1 jsing 1123: BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1.4 jsing 1124: else
1125: BIO_printf(bio_s_out, "Using auto DH parameters\n");
1126: (void) BIO_flush(bio_s_out);
1127:
1128: if (dh == NULL)
1129: SSL_CTX_set_dh_auto(ctx, 1);
1130: else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1131: BIO_printf(bio_err,
1132: "Error setting temp DH parameters\n");
1133: ERR_print_errors(bio_err);
1134: DH_free(dh);
1135: goto end;
1.1 jsing 1136: }
1137:
1138: if (ctx2) {
1139: if (!dhfile) {
1140: DH *dh2 = load_dh_param(s_cert_file2);
1141: if (dh2 != NULL) {
1142: BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1143: (void) BIO_flush(bio_s_out);
1144:
1145: DH_free(dh);
1146: dh = dh2;
1147: }
1148: }
1.4 jsing 1149: if (dh == NULL)
1150: SSL_CTX_set_dh_auto(ctx2, 1);
1151: else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1152: BIO_printf(bio_err,
1153: "Error setting temp DH parameters\n");
1154: ERR_print_errors(bio_err);
1155: DH_free(dh);
1156: goto end;
1157: }
1.1 jsing 1158: }
1159: DH_free(dh);
1160: }
1161: #endif
1162:
1163: if (!no_ecdhe) {
1164: EC_KEY *ecdh = NULL;
1165:
1166: if (named_curve) {
1167: int nid = OBJ_sn2nid(named_curve);
1168:
1169: if (nid == 0) {
1170: BIO_printf(bio_err, "unknown curve name (%s)\n",
1171: named_curve);
1172: goto end;
1173: }
1174: ecdh = EC_KEY_new_by_curve_name(nid);
1175: if (ecdh == NULL) {
1176: BIO_printf(bio_err, "unable to create curve (%s)\n",
1177: named_curve);
1178: goto end;
1179: }
1180: }
1181: if (ecdh != NULL) {
1182: BIO_printf(bio_s_out, "Setting temp ECDH parameters\n");
1183: } else {
1184: BIO_printf(bio_s_out, "Using default temp ECDH parameters\n");
1185: ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1186: if (ecdh == NULL) {
1187: BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1188: goto end;
1189: }
1190: }
1191: (void) BIO_flush(bio_s_out);
1192:
1193: SSL_CTX_set_tmp_ecdh(ctx, ecdh);
1194: if (ctx2)
1195: SSL_CTX_set_tmp_ecdh(ctx2, ecdh);
1196: EC_KEY_free(ecdh);
1197: }
1198:
1199: if (!set_cert_key_stuff(ctx, s_cert, s_key))
1200: goto end;
1201: if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2))
1202: goto end;
1203: if (s_dcert != NULL) {
1204: if (!set_cert_key_stuff(ctx, s_dcert, s_dkey))
1205: goto end;
1206: }
1207:
1208: if (cipher != NULL) {
1209: if (!SSL_CTX_set_cipher_list(ctx, cipher)) {
1210: BIO_printf(bio_err, "error setting cipher list\n");
1211: ERR_print_errors(bio_err);
1212: goto end;
1213: }
1214: if (ctx2 && !SSL_CTX_set_cipher_list(ctx2, cipher)) {
1215: BIO_printf(bio_err, "error setting cipher list\n");
1216: ERR_print_errors(bio_err);
1217: goto end;
1218: }
1219: }
1220: SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
1221: SSL_CTX_set_session_id_context(ctx, (void *) &s_server_session_id_context,
1222: sizeof s_server_session_id_context);
1223:
1224: /* Set DTLS cookie generation and verification callbacks */
1225: SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1226: SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1227:
1228: if (ctx2) {
1229: SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
1230: SSL_CTX_set_session_id_context(ctx2, (void *) &s_server_session_id_context,
1231: sizeof s_server_session_id_context);
1232:
1233: tlsextcbp.biodebug = bio_s_out;
1234: SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1235: SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1236: SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1237: SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1238: }
1239:
1240: if (CAfile != NULL) {
1241: SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
1242: if (ctx2)
1243: SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
1244: }
1245: BIO_printf(bio_s_out, "ACCEPT\n");
1246: (void) BIO_flush(bio_s_out);
1247: if (www)
1248: do_server(port, socket_type, &accept_socket, www_body, context);
1249: else
1250: do_server(port, socket_type, &accept_socket, sv_body, context);
1251: print_stats(bio_s_out, ctx);
1252: ret = 0;
1253: end:
1254: if (ctx != NULL)
1255: SSL_CTX_free(ctx);
1256: if (s_cert)
1257: X509_free(s_cert);
1258: if (s_dcert)
1259: X509_free(s_dcert);
1260: if (s_key)
1261: EVP_PKEY_free(s_key);
1262: if (s_dkey)
1263: EVP_PKEY_free(s_dkey);
1264: free(pass);
1265: free(dpass);
1266: if (vpm)
1267: X509_VERIFY_PARAM_free(vpm);
1268: free(tlscstatp.host);
1269: free(tlscstatp.port);
1270: free(tlscstatp.path);
1271: if (ctx2 != NULL)
1272: SSL_CTX_free(ctx2);
1273: if (s_cert2)
1274: X509_free(s_cert2);
1275: if (s_key2)
1276: EVP_PKEY_free(s_key2);
1.8 jsing 1277: free(next_proto.data);
1278: free(alpn_ctx.data);
1.1 jsing 1279: if (bio_s_out != NULL) {
1280: BIO_free(bio_s_out);
1281: bio_s_out = NULL;
1282: }
1283:
1284: return (ret);
1285: }
1286:
1287: static void
1288: print_stats(BIO * bio, SSL_CTX * ssl_ctx)
1289: {
1290: BIO_printf(bio, "%4ld items in the session cache\n",
1291: SSL_CTX_sess_number(ssl_ctx));
1292: BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
1293: SSL_CTX_sess_connect(ssl_ctx));
1294: BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
1295: SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1296: BIO_printf(bio, "%4ld client connects that finished\n",
1297: SSL_CTX_sess_connect_good(ssl_ctx));
1298: BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
1299: SSL_CTX_sess_accept(ssl_ctx));
1300: BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
1301: SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1302: BIO_printf(bio, "%4ld server accepts that finished\n",
1303: SSL_CTX_sess_accept_good(ssl_ctx));
1304: BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
1305: BIO_printf(bio, "%4ld session cache misses\n", SSL_CTX_sess_misses(ssl_ctx));
1306: BIO_printf(bio, "%4ld session cache timeouts\n", SSL_CTX_sess_timeouts(ssl_ctx));
1307: BIO_printf(bio, "%4ld callback cache hits\n", SSL_CTX_sess_cb_hits(ssl_ctx));
1308: BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
1309: SSL_CTX_sess_cache_full(ssl_ctx),
1310: SSL_CTX_sess_get_cache_size(ssl_ctx));
1311: }
1312:
1313: static int
1314: sv_body(char *hostname, int s, unsigned char *context)
1315: {
1316: char *buf = NULL;
1.7 deraadt 1317: int ret = 1;
1.1 jsing 1318: int k, i;
1319: unsigned long l;
1320: SSL *con = NULL;
1321: BIO *sbio;
1322: struct timeval timeout;
1323:
1324: if ((buf = malloc(bufsize)) == NULL) {
1325: BIO_printf(bio_err, "out of memory\n");
1326: goto err;
1327: }
1328: if (s_nbio) {
1329: if (!s_quiet)
1330: BIO_printf(bio_err, "turning on non blocking io\n");
1.2 bcook 1331: if (!BIO_socket_nbio(s, 1))
1.1 jsing 1332: ERR_print_errors(bio_err);
1333: }
1334:
1335: if (con == NULL) {
1336: con = SSL_new(ctx);
1337: if (s_tlsextdebug) {
1338: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1339: SSL_set_tlsext_debug_arg(con, bio_s_out);
1340: }
1341: if (s_tlsextstatus) {
1342: SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1343: tlscstatp.err = bio_err;
1344: SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1345: }
1346: if (context)
1347: SSL_set_session_id_context(con, context,
1348: strlen((char *) context));
1349: }
1350: SSL_clear(con);
1351:
1352: if (SSL_version(con) == DTLS1_VERSION) {
1353:
1354: sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1355:
1356: if (enable_timeouts) {
1357: timeout.tv_sec = 0;
1358: timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1359: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1360:
1361: timeout.tv_sec = 0;
1362: timeout.tv_usec = DGRAM_SND_TIMEOUT;
1363: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1364: }
1365: if (socket_mtu > 28) {
1366: SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1367: SSL_set_mtu(con, socket_mtu - 28);
1368: } else
1369: /* want to do MTU discovery */
1370: BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1371:
1372: /* turn on cookie exchange */
1373: SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
1374: } else
1375: sbio = BIO_new_socket(s, BIO_NOCLOSE);
1376:
1377: if (s_nbio_test) {
1378: BIO *test;
1379:
1380: test = BIO_new(BIO_f_nbio_test());
1381: sbio = BIO_push(test, sbio);
1382: }
1383:
1384: SSL_set_bio(con, sbio, sbio);
1385: SSL_set_accept_state(con);
1386: /* SSL_set_fd(con,s); */
1387:
1388: if (s_debug) {
1389: SSL_set_debug(con, 1);
1390: BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
1391: BIO_set_callback_arg(SSL_get_rbio(con), (char *) bio_s_out);
1392: }
1393: if (s_msg) {
1394: SSL_set_msg_callback(con, msg_cb);
1395: SSL_set_msg_callback_arg(con, bio_s_out);
1396: }
1397: if (s_tlsextdebug) {
1398: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1399: SSL_set_tlsext_debug_arg(con, bio_s_out);
1400: }
1401:
1402: for (;;) {
1403: int read_from_terminal;
1404: int read_from_sslcon;
1.7 deraadt 1405: struct pollfd pfd[2];
1406: int ptimeout;
1.1 jsing 1407:
1408: read_from_terminal = 0;
1409: read_from_sslcon = SSL_pending(con);
1410:
1411: if (!read_from_sslcon) {
1.7 deraadt 1412: pfd[0].fd = fileno(stdin);
1413: pfd[0].events = POLLIN;
1414: pfd[1].fd = s;
1415: pfd[1].events = POLLIN;
1416:
1.1 jsing 1417: if ((SSL_version(con) == DTLS1_VERSION) &&
1418: DTLSv1_get_timeout(con, &timeout))
1.7 deraadt 1419: ptimeout = timeout.tv_sec * 1000 +
1420: timeout.tv_usec / 1000;
1.1 jsing 1421: else
1.7 deraadt 1422: ptimeout = -1;
1.1 jsing 1423:
1.7 deraadt 1424: i = poll(pfd, 2, ptimeout);
1.1 jsing 1425:
1426: if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) {
1427: BIO_printf(bio_err, "TIMEOUT occured\n");
1428: }
1429: if (i <= 0)
1430: continue;
1.7 deraadt 1431: if (pfd[0].revents) {
1432: if ((pfd[0].revents & (POLLERR|POLLNVAL)))
1433: continue;
1.1 jsing 1434: read_from_terminal = 1;
1.7 deraadt 1435: }
1436: if (pfd[1].revents) {
1437: if ((pfd[1].revents & (POLLERR|POLLNVAL)))
1438: continue;
1.1 jsing 1439: read_from_sslcon = 1;
1.7 deraadt 1440: }
1.1 jsing 1441: }
1442: if (read_from_terminal) {
1443: if (s_crlf) {
1444: int j, lf_num;
1445:
1446: i = read(fileno(stdin), buf, bufsize / 2);
1447: lf_num = 0;
1448: /* both loops are skipped when i <= 0 */
1449: for (j = 0; j < i; j++)
1450: if (buf[j] == '\n')
1451: lf_num++;
1452: for (j = i - 1; j >= 0; j--) {
1453: buf[j + lf_num] = buf[j];
1454: if (buf[j] == '\n') {
1455: lf_num--;
1456: i++;
1457: buf[j + lf_num] = '\r';
1458: }
1459: }
1460: assert(lf_num == 0);
1461: } else
1462: i = read(fileno(stdin), buf, bufsize);
1463: if (!s_quiet) {
1464: if ((i <= 0) || (buf[0] == 'Q')) {
1465: BIO_printf(bio_s_out, "DONE\n");
1466: shutdown(s, SHUT_RD);
1467: close(s);
1468: close_accept_socket();
1469: ret = -11;
1470: goto err;
1471: }
1472: if ((i <= 0) || (buf[0] == 'q')) {
1473: BIO_printf(bio_s_out, "DONE\n");
1474: if (SSL_version(con) != DTLS1_VERSION) {
1475: shutdown(s, SHUT_RD);
1476: close(s);
1477: }
1478: /*
1479: * close_accept_socket(); ret= -11;
1480: */
1481: goto err;
1482: }
1483: if ((buf[0] == 'r') &&
1484: ((buf[1] == '\n') || (buf[1] == '\r'))) {
1485: SSL_renegotiate(con);
1486: i = SSL_do_handshake(con);
1487: printf("SSL_do_handshake -> %d\n", i);
1488: i = 0; /* 13; */
1489: continue;
1490: /*
1491: * strcpy(buf,"server side
1492: * RE-NEGOTIATE\n");
1493: */
1494: }
1495: if ((buf[0] == 'R') &&
1496: ((buf[1] == '\n') || (buf[1] == '\r'))) {
1497: SSL_set_verify(con,
1498: SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, NULL);
1499: SSL_renegotiate(con);
1500: i = SSL_do_handshake(con);
1501: printf("SSL_do_handshake -> %d\n", i);
1502: i = 0; /* 13; */
1503: continue;
1504: /*
1505: * strcpy(buf,"server side
1506: * RE-NEGOTIATE asking for client
1507: * cert\n");
1508: */
1509: }
1510: if (buf[0] == 'P') {
1511: static const char *str = "Lets print some clear text\n";
1512: BIO_write(SSL_get_wbio(con), str, strlen(str));
1513: }
1514: if (buf[0] == 'S') {
1515: print_stats(bio_s_out, SSL_get_SSL_CTX(con));
1516: }
1517: }
1518: l = k = 0;
1519: for (;;) {
1520: /* should do a select for the write */
1521: #ifdef RENEG
1522: {
1523: static count = 0;
1524: if (++count == 100) {
1525: count = 0;
1526: SSL_renegotiate(con);
1527: }
1528: }
1529: #endif
1530: k = SSL_write(con, &(buf[l]), (unsigned int) i);
1531: switch (SSL_get_error(con, k)) {
1532: case SSL_ERROR_NONE:
1533: break;
1534: case SSL_ERROR_WANT_WRITE:
1535: case SSL_ERROR_WANT_READ:
1536: case SSL_ERROR_WANT_X509_LOOKUP:
1537: BIO_printf(bio_s_out, "Write BLOCK\n");
1538: break;
1539: case SSL_ERROR_SYSCALL:
1540: case SSL_ERROR_SSL:
1541: BIO_printf(bio_s_out, "ERROR\n");
1542: ERR_print_errors(bio_err);
1543: ret = 1;
1544: goto err;
1545: /* break; */
1546: case SSL_ERROR_ZERO_RETURN:
1547: BIO_printf(bio_s_out, "DONE\n");
1548: ret = 1;
1549: goto err;
1550: }
1551: l += k;
1552: i -= k;
1553: if (i <= 0)
1554: break;
1555: }
1556: }
1557: if (read_from_sslcon) {
1558: if (!SSL_is_init_finished(con)) {
1559: i = init_ssl_connection(con);
1560:
1561: if (i < 0) {
1562: ret = 0;
1563: goto err;
1564: } else if (i == 0) {
1565: ret = 1;
1566: goto err;
1567: }
1568: } else {
1569: again:
1570: i = SSL_read(con, (char *) buf, bufsize);
1571: switch (SSL_get_error(con, i)) {
1572: case SSL_ERROR_NONE: {
1573: int len, n;
1574: for (len = 0; len < i;) {
1575: do {
1576: n = write(fileno(stdout), buf + len, i - len);
1577: } while (n == -1 && errno == EINTR);
1578:
1579: if (n < 0) {
1580: BIO_printf(bio_s_out, "ERROR\n");
1581: goto err;
1582: }
1583: len += n;
1584: }
1585: }
1586: if (SSL_pending(con))
1587: goto again;
1588: break;
1589: case SSL_ERROR_WANT_WRITE:
1590: case SSL_ERROR_WANT_READ:
1591: BIO_printf(bio_s_out, "Read BLOCK\n");
1592: break;
1593: case SSL_ERROR_SYSCALL:
1594: case SSL_ERROR_SSL:
1595: BIO_printf(bio_s_out, "ERROR\n");
1596: ERR_print_errors(bio_err);
1597: ret = 1;
1598: goto err;
1599: case SSL_ERROR_ZERO_RETURN:
1600: BIO_printf(bio_s_out, "DONE\n");
1601: ret = 1;
1602: goto err;
1603: }
1604: }
1605: }
1606: }
1607: err:
1608: if (con != NULL) {
1609: BIO_printf(bio_s_out, "shutting down SSL\n");
1610: SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
1611: SSL_free(con);
1612: }
1613: BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
1614: if (buf != NULL) {
1615: OPENSSL_cleanse(buf, bufsize);
1616: free(buf);
1617: }
1618: if (ret >= 0)
1619: BIO_printf(bio_s_out, "ACCEPT\n");
1620: return (ret);
1621: }
1622:
1623: static void
1624: close_accept_socket(void)
1625: {
1626: BIO_printf(bio_err, "shutdown accept socket\n");
1627: if (accept_socket >= 0) {
1628: shutdown(accept_socket, SHUT_RDWR);
1629: close(accept_socket);
1630: }
1631: }
1632:
1633: static int
1634: init_ssl_connection(SSL * con)
1635: {
1636: int i;
1637: const char *str;
1638: X509 *peer;
1639: long verify_error;
1640: char buf[BUFSIZ];
1641: const unsigned char *next_proto_neg;
1642: unsigned next_proto_neg_len;
1643: unsigned char *exportedkeymat;
1644:
1645: i = SSL_accept(con);
1646: if (i <= 0) {
1647: if (BIO_sock_should_retry(i)) {
1648: BIO_printf(bio_s_out, "DELAY\n");
1649: return (1);
1650: }
1651: BIO_printf(bio_err, "ERROR\n");
1652: verify_error = SSL_get_verify_result(con);
1653: if (verify_error != X509_V_OK) {
1654: BIO_printf(bio_err, "verify error:%s\n",
1655: X509_verify_cert_error_string(verify_error));
1656: } else
1657: ERR_print_errors(bio_err);
1658: return (0);
1659: }
1660: PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
1661:
1662: peer = SSL_get_peer_certificate(con);
1663: if (peer != NULL) {
1664: BIO_printf(bio_s_out, "Client certificate\n");
1665: PEM_write_bio_X509(bio_s_out, peer);
1666: X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
1667: BIO_printf(bio_s_out, "subject=%s\n", buf);
1668: X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
1669: BIO_printf(bio_s_out, "issuer=%s\n", buf);
1670: X509_free(peer);
1671: }
1672: if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
1673: BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
1674: str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1675: BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
1676:
1677: SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
1678: if (next_proto_neg) {
1679: BIO_printf(bio_s_out, "NEXTPROTO is ");
1680: BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
1681: BIO_printf(bio_s_out, "\n");
1682: }
1683: #ifndef OPENSSL_NO_SRTP
1684: {
1685: SRTP_PROTECTION_PROFILE *srtp_profile
1686: = SSL_get_selected_srtp_profile(con);
1687:
1688: if (srtp_profile)
1689: BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
1690: srtp_profile->name);
1691: }
1692: #endif
1693: if (SSL_cache_hit(con))
1694: BIO_printf(bio_s_out, "Reused session-id\n");
1695: if (SSL_ctrl(con, SSL_CTRL_GET_FLAGS, 0, NULL) &
1696: TLS1_FLAGS_TLS_PADDING_BUG)
1697: BIO_printf(bio_s_out,
1698: "Peer has incorrect TLSv1 block padding\n");
1699: BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
1700: SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
1701: if (keymatexportlabel != NULL) {
1702: BIO_printf(bio_s_out, "Keying material exporter:\n");
1703: BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
1704: BIO_printf(bio_s_out, " Length: %i bytes\n",
1705: keymatexportlen);
1706: exportedkeymat = malloc(keymatexportlen);
1707: if (exportedkeymat != NULL) {
1708: if (!SSL_export_keying_material(con, exportedkeymat,
1709: keymatexportlen,
1710: keymatexportlabel,
1711: strlen(keymatexportlabel),
1712: NULL, 0, 0)) {
1713: BIO_printf(bio_s_out, " Error\n");
1714: } else {
1715: BIO_printf(bio_s_out, " Keying material: ");
1716: for (i = 0; i < keymatexportlen; i++)
1717: BIO_printf(bio_s_out, "%02X",
1718: exportedkeymat[i]);
1719: BIO_printf(bio_s_out, "\n");
1720: }
1721: free(exportedkeymat);
1722: }
1723: }
1724: return (1);
1725: }
1726:
1727: #ifndef OPENSSL_NO_DH
1728: static DH *
1729: load_dh_param(const char *dhfile)
1730: {
1731: DH *ret = NULL;
1732: BIO *bio;
1733:
1734: if ((bio = BIO_new_file(dhfile, "r")) == NULL)
1735: goto err;
1736: ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
1737: err:
1738: BIO_free(bio);
1739: return (ret);
1740: }
1741: #endif
1742:
1743: static int
1744: www_body(char *hostname, int s, unsigned char *context)
1745: {
1746: char *buf = NULL;
1747: int ret = 1;
1748: int i, j, k, dot;
1749: SSL *con;
1750: const SSL_CIPHER *c;
1751: BIO *io, *ssl_bio, *sbio;
1752:
1753: buf = malloc(bufsize);
1754: if (buf == NULL)
1755: return (0);
1756: io = BIO_new(BIO_f_buffer());
1757: ssl_bio = BIO_new(BIO_f_ssl());
1758: if ((io == NULL) || (ssl_bio == NULL))
1759: goto err;
1760:
1761: if (s_nbio) {
1762: if (!s_quiet)
1763: BIO_printf(bio_err, "turning on non blocking io\n");
1.2 bcook 1764: if (!BIO_socket_nbio(s, 1))
1.1 jsing 1765: ERR_print_errors(bio_err);
1766: }
1767:
1768: /* lets make the output buffer a reasonable size */
1769: if (!BIO_set_write_buffer_size(io, bufsize))
1770: goto err;
1771:
1772: if ((con = SSL_new(ctx)) == NULL)
1773: goto err;
1774: if (s_tlsextdebug) {
1775: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1776: SSL_set_tlsext_debug_arg(con, bio_s_out);
1777: }
1778: if (context)
1779: SSL_set_session_id_context(con, context,
1780: strlen((char *) context));
1781:
1782: sbio = BIO_new_socket(s, BIO_NOCLOSE);
1783: if (s_nbio_test) {
1784: BIO *test;
1785:
1786: test = BIO_new(BIO_f_nbio_test());
1787: sbio = BIO_push(test, sbio);
1788: }
1789: SSL_set_bio(con, sbio, sbio);
1790: SSL_set_accept_state(con);
1791:
1792: /* SSL_set_fd(con,s); */
1793: BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
1794: BIO_push(io, ssl_bio);
1795:
1796: if (s_debug) {
1797: SSL_set_debug(con, 1);
1798: BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
1799: BIO_set_callback_arg(SSL_get_rbio(con), (char *) bio_s_out);
1800: }
1801: if (s_msg) {
1802: SSL_set_msg_callback(con, msg_cb);
1803: SSL_set_msg_callback_arg(con, bio_s_out);
1804: }
1805: for (;;) {
1806: i = BIO_gets(io, buf, bufsize - 1);
1807: if (i < 0) { /* error */
1808: if (!BIO_should_retry(io)) {
1809: if (!s_quiet)
1810: ERR_print_errors(bio_err);
1811: goto err;
1812: } else {
1813: BIO_printf(bio_s_out, "read R BLOCK\n");
1814: sleep(1);
1815: continue;
1816: }
1817: } else if (i == 0) { /* end of input */
1818: ret = 1;
1819: goto end;
1820: }
1821: /* else we have data */
1822: if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
1823: ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
1824: char *p;
1825: X509 *peer;
1826: STACK_OF(SSL_CIPHER) * sk;
1827: static const char *space = " ";
1828:
1829: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1830: BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1831: BIO_puts(io, "<pre>\n");
1832: /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1833: BIO_puts(io, "\n");
1834: for (i = 0; i < local_argc; i++) {
1835: BIO_puts(io, local_argv[i]);
1836: BIO_write(io, " ", 1);
1837: }
1838: BIO_puts(io, "\n");
1839:
1840: BIO_printf(io,
1841: "Secure Renegotiation IS%s supported\n",
1842: SSL_get_secure_renegotiation_support(con) ?
1843: "" : " NOT");
1844:
1845: /*
1846: * The following is evil and should not really be
1847: * done
1848: */
1849: BIO_printf(io, "Ciphers supported in s_server binary\n");
1850: sk = SSL_get_ciphers(con);
1851: j = sk_SSL_CIPHER_num(sk);
1852: for (i = 0; i < j; i++) {
1853: c = sk_SSL_CIPHER_value(sk, i);
1854: BIO_printf(io, "%-11s:%-25s",
1855: SSL_CIPHER_get_version(c),
1856: SSL_CIPHER_get_name(c));
1857: if ((((i + 1) % 2) == 0) && (i + 1 != j))
1858: BIO_puts(io, "\n");
1859: }
1860: BIO_puts(io, "\n");
1861: p = SSL_get_shared_ciphers(con, buf, bufsize);
1862: if (p != NULL) {
1863: BIO_printf(io, "---\nCiphers common between both SSL end points:\n");
1864: j = i = 0;
1865: while (*p) {
1866: if (*p == ':') {
1867: BIO_write(io, space, 26 - j);
1868: i++;
1869: j = 0;
1870: BIO_write(io, ((i % 3) ? " " : "\n"), 1);
1871: } else {
1872: BIO_write(io, p, 1);
1873: j++;
1874: }
1875: p++;
1876: }
1877: BIO_puts(io, "\n");
1878: }
1879: BIO_printf(io, (SSL_cache_hit(con)
1880: ? "---\nReused, "
1881: : "---\nNew, "));
1882: c = SSL_get_current_cipher(con);
1883: BIO_printf(io, "%s, Cipher is %s\n",
1884: SSL_CIPHER_get_version(c),
1885: SSL_CIPHER_get_name(c));
1886: SSL_SESSION_print(io, SSL_get_session(con));
1887: BIO_printf(io, "---\n");
1888: print_stats(io, SSL_get_SSL_CTX(con));
1889: BIO_printf(io, "---\n");
1890: peer = SSL_get_peer_certificate(con);
1891: if (peer != NULL) {
1892: BIO_printf(io, "Client certificate\n");
1893: X509_print(io, peer);
1894: PEM_write_bio_X509(io, peer);
1895: } else
1896: BIO_puts(io, "no client certificate available\n");
1897: BIO_puts(io, "</BODY></HTML>\r\n\r\n");
1898: break;
1899: } else if ((www == 2 || www == 3)
1900: && (strncmp("GET /", buf, 5) == 0)) {
1901: BIO *file;
1902: char *p, *e;
1903: static const char *text = "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1904:
1905: /* skip the '/' */
1906: p = &(buf[5]);
1907:
1908: dot = 1;
1909: for (e = p; *e != '\0'; e++) {
1910: if (e[0] == ' ')
1911: break;
1912:
1913: switch (dot) {
1914: case 1:
1915: dot = (e[0] == '.') ? 2 : 0;
1916: break;
1917: case 2:
1918: dot = (e[0] == '.') ? 3 : 0;
1919: break;
1920: case 3:
1921: dot = (e[0] == '/') ? -1 : 0;
1922: break;
1923: }
1924: if (dot == 0)
1925: dot = (e[0] == '/') ? 1 : 0;
1926: }
1927: dot = (dot == 3) || (dot == -1); /* filename contains
1928: * ".." component */
1929:
1930: if (*e == '\0') {
1931: BIO_puts(io, text);
1932: BIO_printf(io, "'%s' is an invalid file name\r\n", p);
1933: break;
1934: }
1935: *e = '\0';
1936:
1937: if (dot) {
1938: BIO_puts(io, text);
1939: BIO_printf(io, "'%s' contains '..' reference\r\n", p);
1940: break;
1941: }
1942: if (*p == '/') {
1943: BIO_puts(io, text);
1944: BIO_printf(io, "'%s' is an invalid path\r\n", p);
1945: break;
1946: }
1947: /* if a directory, do the index thang */
1948: if (app_isdir(p) > 0) {
1949: BIO_puts(io, text);
1950: BIO_printf(io, "'%s' is a directory\r\n", p);
1951: break;
1952: }
1953: if ((file = BIO_new_file(p, "r")) == NULL) {
1954: BIO_puts(io, text);
1955: BIO_printf(io, "Error opening '%s'\r\n", p);
1956: ERR_print_errors(io);
1957: break;
1958: }
1959: if (!s_quiet)
1960: BIO_printf(bio_err, "FILE:%s\n", p);
1961:
1962: if (www == 2) {
1963: i = strlen(p);
1964: if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
1965: ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
1966: ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
1967: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1968: else
1969: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1970: }
1971: /* send the file */
1972: for (;;) {
1973: i = BIO_read(file, buf, bufsize);
1974: if (i <= 0)
1975: break;
1976:
1977: #ifdef RENEG
1978: total_bytes += i;
1979: fprintf(stderr, "%d\n", i);
1980: if (total_bytes > 3 * 1024) {
1981: total_bytes = 0;
1982: fprintf(stderr, "RENEGOTIATE\n");
1983: SSL_renegotiate(con);
1984: }
1985: #endif
1986:
1987: for (j = 0; j < i;) {
1988: #ifdef RENEG
1989: {
1990: static count = 0;
1991: if (++count == 13) {
1992: SSL_renegotiate(con);
1993: }
1994: }
1995: #endif
1996: k = BIO_write(io, &(buf[j]), i - j);
1997: if (k <= 0) {
1998: if (!BIO_should_retry(io))
1999: goto write_error;
2000: else {
2001: BIO_printf(bio_s_out, "rwrite W BLOCK\n");
2002: }
2003: } else {
2004: j += k;
2005: }
2006: }
2007: }
2008: write_error:
2009: BIO_free(file);
2010: break;
2011: }
2012: }
2013:
2014: for (;;) {
2015: i = (int) BIO_flush(io);
2016: if (i <= 0) {
2017: if (!BIO_should_retry(io))
2018: break;
2019: } else
2020: break;
2021: }
2022: end:
2023: /* make sure we re-use sessions */
2024: SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2025:
2026: err:
2027:
2028: if (ret >= 0)
2029: BIO_printf(bio_s_out, "ACCEPT\n");
2030:
2031: if (buf != NULL)
2032: free(buf);
2033: if (io != NULL)
2034: BIO_free_all(io);
2035: /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2036: return (ret);
2037: }
2038:
2039: #define MAX_SESSION_ID_ATTEMPTS 10
2040: static int
2041: generate_session_id(const SSL * ssl, unsigned char *id,
2042: unsigned int *id_len)
2043: {
2044: unsigned int count = 0;
2045: do {
1.3 jsing 2046: arc4random_buf(id, *id_len);
1.1 jsing 2047: /*
2048: * Prefix the session_id with the required prefix. NB: If our
2049: * prefix is too long, clip it - but there will be worse
2050: * effects anyway, eg. the server could only possibly create
2051: * 1 session ID (ie. the prefix!) so all future session
2052: * negotiations will fail due to conflicts.
2053: */
2054: memcpy(id, session_id_prefix,
2055: (strlen(session_id_prefix) < *id_len) ?
2056: strlen(session_id_prefix) : *id_len);
2057: }
2058: while (SSL_has_matching_session_id(ssl, id, *id_len) &&
2059: (++count < MAX_SESSION_ID_ATTEMPTS));
2060: if (count >= MAX_SESSION_ID_ATTEMPTS)
2061: return 0;
2062: return 1;
2063: }