Annotation of src/usr.bin/openssl/s_server.c, Revision 1.10
1.10 ! jsing 1: /* $OpenBSD: s_server.c,v 1.9 2014/12/14 14:42:06 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: static int hack = 0;
230: #ifndef OPENSSL_NO_ENGINE
231: static char *engine_id = NULL;
232: #endif
233: static const char *session_id_prefix = NULL;
234:
235: static int enable_timeouts = 0;
236: static long socket_mtu;
237: #ifndef OPENSSL_NO_DTLS1
238: static int cert_chain = 0;
239: #endif
240:
241:
242:
243:
244: static void
245: s_server_init(void)
246: {
247: accept_socket = -1;
248: cipher = NULL;
249: s_server_verify = SSL_VERIFY_NONE;
250: s_dcert_file = NULL;
251: s_dkey_file = NULL;
252: s_cert_file = TEST_CERT;
253: s_key_file = NULL;
254: s_cert_file2 = TEST_CERT2;
255: s_key_file2 = NULL;
256: ctx2 = NULL;
257: s_nbio = 0;
258: s_nbio_test = 0;
259: ctx = NULL;
260: www = 0;
261:
262: bio_s_out = NULL;
263: s_debug = 0;
264: s_msg = 0;
265: s_quiet = 0;
266: hack = 0;
267: #ifndef OPENSSL_NO_ENGINE
268: engine_id = NULL;
269: #endif
270: }
271:
272: static void
273: sv_usage(void)
274: {
275: BIO_printf(bio_err, "usage: s_server [args ...]\n");
276: BIO_printf(bio_err, "\n");
277: BIO_printf(bio_err, " -accept arg - port to accept on (default is %d)\n", PORT);
278: BIO_printf(bio_err, " -context arg - set session ID context\n");
279: BIO_printf(bio_err, " -verify arg - turn on peer certificate verification\n");
280: BIO_printf(bio_err, " -Verify arg - turn on peer certificate verification, must have a cert.\n");
281: BIO_printf(bio_err, " -cert arg - certificate file to use\n");
282: BIO_printf(bio_err, " (default is %s)\n", TEST_CERT);
283: BIO_printf(bio_err, " -crl_check - check the peer certificate has not been revoked by its CA.\n" \
284: " The CRL(s) are appended to the certificate file\n");
285: BIO_printf(bio_err, " -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
286: " or any other CRL in the CA chain. CRL(s) are appended to the\n" \
287: " the certificate file.\n");
288: BIO_printf(bio_err, " -certform arg - certificate format (PEM or DER) PEM default\n");
289: BIO_printf(bio_err, " -key arg - Private Key file to use, in cert file if\n");
290: BIO_printf(bio_err, " not specified (default is %s)\n", TEST_CERT);
291: BIO_printf(bio_err, " -keyform arg - key format (PEM, DER or ENGINE) PEM default\n");
292: BIO_printf(bio_err, " -pass arg - private key file pass phrase source\n");
293: BIO_printf(bio_err, " -dcert arg - second certificate file to use (usually for DSA)\n");
294: BIO_printf(bio_err, " -dcertform x - second certificate format (PEM or DER) PEM default\n");
295: BIO_printf(bio_err, " -dkey arg - second private key file to use (usually for DSA)\n");
296: BIO_printf(bio_err, " -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
297: BIO_printf(bio_err, " -dpass arg - second private key file pass phrase source\n");
298: BIO_printf(bio_err, " -dhparam arg - DH parameter file to use, in cert file if not specified\n");
299: BIO_printf(bio_err, " or a default set of parameters is used\n");
300: BIO_printf(bio_err, " -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" \
301: " Use \"openssl ecparam -list_curves\" for all names\n" \
302: " (default is nistp256).\n");
303: BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n");
304: BIO_printf(bio_err, " -nbio_test - test with the non-blocking test bio\n");
305: BIO_printf(bio_err, " -crlf - convert LF from terminal into CRLF\n");
306: BIO_printf(bio_err, " -debug - Print more output\n");
307: BIO_printf(bio_err, " -msg - Show protocol messages\n");
308: BIO_printf(bio_err, " -state - Print the SSL states\n");
309: BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n");
310: BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n");
311: BIO_printf(bio_err, " -nocert - Don't use any certificates (Anon-DH)\n");
312: BIO_printf(bio_err, " -cipher arg - play with 'openssl ciphers' to see what goes here\n");
313: BIO_printf(bio_err, " -serverpref - Use server's cipher preferences\n");
314: BIO_printf(bio_err, " -quiet - Inhibit printing of session and certificate information\n");
315: BIO_printf(bio_err, " -ssl3 - Just talk SSLv3\n");
316: BIO_printf(bio_err, " -tls1_2 - Just talk TLSv1.2\n");
317: BIO_printf(bio_err, " -tls1_1 - Just talk TLSv1.1\n");
318: BIO_printf(bio_err, " -tls1 - Just talk TLSv1\n");
319: BIO_printf(bio_err, " -dtls1 - Just talk DTLSv1\n");
320: BIO_printf(bio_err, " -timeout - Enable timeouts\n");
321: BIO_printf(bio_err, " -mtu - Set link layer MTU\n");
322: BIO_printf(bio_err, " -chain - Read a certificate chain\n");
323: BIO_printf(bio_err, " -no_ssl2 - Just disable SSLv2\n");
324: BIO_printf(bio_err, " -no_ssl3 - Just disable SSLv3\n");
325: BIO_printf(bio_err, " -no_tls1 - Just disable TLSv1\n");
326: BIO_printf(bio_err, " -no_tls1_1 - Just disable TLSv1.1\n");
327: BIO_printf(bio_err, " -no_tls1_2 - Just disable TLSv1.2\n");
328: #ifndef OPENSSL_NO_DH
329: BIO_printf(bio_err, " -no_dhe - Disable ephemeral DH\n");
330: #endif
331: BIO_printf(bio_err, " -no_ecdhe - Disable ephemeral ECDH\n");
332: BIO_printf(bio_err, " -bugs - Turn on SSL bug compatibility\n");
333: BIO_printf(bio_err, " -www - Respond to a 'GET /' with a status page\n");
334: BIO_printf(bio_err, " -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
335: BIO_printf(bio_err, " -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
336: BIO_printf(bio_err, " with the assumption it contains a complete HTTP response.\n");
337: #ifndef OPENSSL_NO_ENGINE
338: BIO_printf(bio_err, " -engine id - Initialise and use the specified engine\n");
339: #endif
340: BIO_printf(bio_err, " -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
341: BIO_printf(bio_err, " -servername host - servername for HostName TLS extension\n");
342: BIO_printf(bio_err, " -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
343: BIO_printf(bio_err, " -cert2 arg - certificate file to use for servername\n");
344: BIO_printf(bio_err, " (default is %s)\n", TEST_CERT2);
345: BIO_printf(bio_err, " -key2 arg - Private Key file to use for servername, in cert file if\n");
346: BIO_printf(bio_err, " not specified (default is %s)\n", TEST_CERT2);
347: BIO_printf(bio_err, " -tlsextdebug - hex dump of all TLS extensions received\n");
348: BIO_printf(bio_err, " -no_ticket - disable use of RFC4507bis session tickets\n");
349: BIO_printf(bio_err, " -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
1.8 jsing 350: BIO_printf(bio_err," -alpn arg - set the advertised protocols for the ALPN extension (comma-separated list)\n");
1.1 jsing 351: #ifndef OPENSSL_NO_SRTP
352: BIO_printf(bio_err, " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
353: #endif
354: BIO_printf(bio_err, " -keymatexport label - Export keying material using label\n");
355: BIO_printf(bio_err, " -keymatexportlen len - Export len bytes of keying material (default 20)\n");
356: }
357:
358: static int local_argc = 0;
359: static char **local_argv;
360:
361:
362: /* This is a context that we pass to callbacks */
363: typedef struct tlsextctx_st {
364: char *servername;
365: BIO *biodebug;
366: int extension_error;
367: } tlsextctx;
368:
369:
370: static int
371: ssl_servername_cb(SSL * s, int *ad, void *arg)
372: {
373: tlsextctx *p = (tlsextctx *) arg;
374: const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
375: if (servername && p->biodebug)
376: BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n", servername);
377:
378: if (!p->servername)
379: return SSL_TLSEXT_ERR_NOACK;
380:
381: if (servername) {
382: if (strcmp(servername, p->servername))
383: return p->extension_error;
384: if (ctx2) {
385: BIO_printf(p->biodebug, "Switching server context.\n");
386: SSL_set_SSL_CTX(s, ctx2);
387: }
388: }
389: return SSL_TLSEXT_ERR_OK;
390: }
391:
392: /* Structure passed to cert status callback */
393:
394: typedef struct tlsextstatusctx_st {
395: /* Default responder to use */
396: char *host, *path, *port;
397: int use_ssl;
398: int timeout;
399: BIO *err;
400: int verbose;
401: } tlsextstatusctx;
402:
403: static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
404:
405: /* Certificate Status callback. This is called when a client includes a
406: * certificate status request extension.
407: *
408: * This is a simplified version. It examines certificates each time and
409: * makes one OCSP responder query for each request.
410: *
411: * A full version would store details such as the OCSP certificate IDs and
412: * minimise the number of OCSP responses by caching them until they were
413: * considered "expired".
414: */
415:
416: static int
417: cert_status_cb(SSL * s, void *arg)
418: {
419: tlsextstatusctx *srctx = arg;
420: BIO *err = srctx->err;
421: char *host, *port, *path;
422: int use_ssl;
423: unsigned char *rspder = NULL;
424: int rspderlen;
425: STACK_OF(OPENSSL_STRING) * aia = NULL;
426: X509 *x = NULL;
427: X509_STORE_CTX inctx;
428: X509_OBJECT obj;
429: OCSP_REQUEST *req = NULL;
430: OCSP_RESPONSE *resp = NULL;
431: OCSP_CERTID *id = NULL;
432: STACK_OF(X509_EXTENSION) * exts;
433: int ret = SSL_TLSEXT_ERR_NOACK;
434: int i;
435:
436: if (srctx->verbose)
437: BIO_puts(err, "cert_status: callback called\n");
438: /* Build up OCSP query from server certificate */
439: x = SSL_get_certificate(s);
440: aia = X509_get1_ocsp(x);
441: if (aia) {
442: if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
443: &host, &port, &path, &use_ssl)) {
444: BIO_puts(err, "cert_status: can't parse AIA URL\n");
445: goto err;
446: }
447: if (srctx->verbose)
448: BIO_printf(err, "cert_status: AIA URL: %s\n",
449: sk_OPENSSL_STRING_value(aia, 0));
450: } else {
451: if (!srctx->host) {
452: BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
453: goto done;
454: }
455: host = srctx->host;
456: path = srctx->path;
457: port = srctx->port;
458: use_ssl = srctx->use_ssl;
459: }
460:
461: if (!X509_STORE_CTX_init(&inctx,
462: SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
463: NULL, NULL))
464: goto err;
465: if (X509_STORE_get_by_subject(&inctx, X509_LU_X509,
466: X509_get_issuer_name(x), &obj) <= 0) {
467: BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
468: X509_STORE_CTX_cleanup(&inctx);
469: goto done;
470: }
471: req = OCSP_REQUEST_new();
472: if (!req)
473: goto err;
474: id = OCSP_cert_to_id(NULL, x, obj.data.x509);
475: X509_free(obj.data.x509);
476: X509_STORE_CTX_cleanup(&inctx);
477: if (!id)
478: goto err;
479: if (!OCSP_request_add0_id(req, id))
480: goto err;
481: id = NULL;
482: /* Add any extensions to the request */
483: SSL_get_tlsext_status_exts(s, &exts);
484: for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
485: X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
486: if (!OCSP_REQUEST_add_ext(req, ext, -1))
487: goto err;
488: }
489: resp = process_responder(err, req, host, path, port, use_ssl, NULL,
490: srctx->timeout);
491: if (!resp) {
492: BIO_puts(err, "cert_status: error querying responder\n");
493: goto done;
494: }
495: rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
496: if (rspderlen <= 0)
497: goto err;
498: SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
499: if (srctx->verbose) {
500: BIO_puts(err, "cert_status: ocsp response sent:\n");
501: OCSP_RESPONSE_print(err, resp, 2);
502: }
503: ret = SSL_TLSEXT_ERR_OK;
504: done:
505: if (ret != SSL_TLSEXT_ERR_OK)
506: ERR_print_errors(err);
507: if (aia) {
508: free(host);
509: free(path);
510: free(port);
511: X509_email_free(aia);
512: }
513: if (id)
514: OCSP_CERTID_free(id);
515: if (req)
516: OCSP_REQUEST_free(req);
517: if (resp)
518: OCSP_RESPONSE_free(resp);
519: return ret;
520: err:
521: ret = SSL_TLSEXT_ERR_ALERT_FATAL;
522: goto done;
523: }
524:
525: /* This is the context that we pass to next_proto_cb */
526: typedef struct tlsextnextprotoctx_st {
527: unsigned char *data;
528: unsigned int len;
529: } tlsextnextprotoctx;
530:
531: static int
532: next_proto_cb(SSL * s, const unsigned char **data, unsigned int *len, void *arg)
533: {
534: tlsextnextprotoctx *next_proto = arg;
535:
536: *data = next_proto->data;
537: *len = next_proto->len;
538:
539: return SSL_TLSEXT_ERR_OK;
540: }
541:
542:
1.8 jsing 543: /* This the context that we pass to alpn_cb */
544: typedef struct tlsextalpnctx_st {
545: unsigned char *data;
546: unsigned short len;
547: } tlsextalpnctx;
548:
549: static int
550: alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
551: const unsigned char *in, unsigned int inlen, void *arg)
552: {
553: tlsextalpnctx *alpn_ctx = arg;
554:
555: if (!s_quiet) {
556: /* We can assume that in is syntactically valid. */
557: unsigned i;
558:
559: BIO_printf(bio_s_out,
560: "ALPN protocols advertised by the client: ");
561: for (i = 0; i < inlen; ) {
562: if (i)
563: BIO_write(bio_s_out, ", ", 2);
564: BIO_write(bio_s_out, &in[i + 1], in[i]);
565: i += in[i] + 1;
566: }
567: BIO_write(bio_s_out, "\n", 1);
568: }
569:
570: if (SSL_select_next_proto((unsigned char**)out, outlen, alpn_ctx->data,
571: alpn_ctx->len, in, inlen) != OPENSSL_NPN_NEGOTIATED)
572: return (SSL_TLSEXT_ERR_NOACK);
573:
574: if (!s_quiet) {
575: BIO_printf(bio_s_out, "ALPN protocols selected: ");
576: BIO_write(bio_s_out, *out, *outlen);
577: BIO_write(bio_s_out, "\n", 1);
578: }
579:
580: return (SSL_TLSEXT_ERR_OK);
581: }
1.1 jsing 582:
583: int s_server_main(int, char **);
584:
585: #ifndef OPENSSL_NO_SRTP
586: static char *srtp_profiles = NULL;
587: #endif
588:
589: int
590: s_server_main(int argc, char *argv[])
591: {
592: X509_VERIFY_PARAM *vpm = NULL;
593: int badarg = 0;
594: short port = PORT;
595: char *CApath = NULL, *CAfile = NULL;
596: unsigned char *context = NULL;
597: char *dhfile = NULL;
598: char *named_curve = NULL;
599: int badop = 0, bugs = 0;
600: int ret = 1;
601: int off = 0;
1.5 jsing 602: int no_dhe = 0, no_ecdhe = 0, nocert = 0;
1.1 jsing 603: int state = 0;
604: const SSL_METHOD *meth = NULL;
605: int socket_type = SOCK_STREAM;
606: ENGINE *e = NULL;
607: int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
608: char *passarg = NULL, *pass = NULL;
609: char *dpassarg = NULL, *dpass = NULL;
610: int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
611: X509 *s_cert = NULL, *s_dcert = NULL;
612: EVP_PKEY *s_key = NULL, *s_dkey = NULL;
613: int no_cache = 0;
614: const char *errstr = NULL;
615: EVP_PKEY *s_key2 = NULL;
616: X509 *s_cert2 = NULL;
617: tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
618: const char *next_proto_neg_in = NULL;
1.8 jsing 619: tlsextnextprotoctx next_proto = { NULL, 0 };
620: const char *alpn_in = NULL;
621: tlsextalpnctx alpn_ctx = { NULL, 0 };
1.1 jsing 622: meth = SSLv23_server_method();
623:
624: local_argc = argc;
625: local_argv = argv;
626:
627: s_server_init();
628:
629: verify_depth = 0;
630: s_nbio = 0;
631: s_nbio_test = 0;
632:
633: argc--;
634: argv++;
635:
636: while (argc >= 1) {
637: if ((strcmp(*argv, "-port") == 0) ||
638: (strcmp(*argv, "-accept") == 0)) {
639: if (--argc < 1)
640: goto bad;
641: if (!extract_port(*(++argv), &port))
642: goto bad;
643: } else if (strcmp(*argv, "-verify") == 0) {
644: s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
645: if (--argc < 1)
646: goto bad;
647: verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr);
648: if (errstr)
649: goto bad;
650: BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
651: } else if (strcmp(*argv, "-Verify") == 0) {
652: s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
653: SSL_VERIFY_CLIENT_ONCE;
654: if (--argc < 1)
655: goto bad;
656: verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr);
657: if (errstr)
658: goto bad;
659: BIO_printf(bio_err, "verify depth is %d, must return a certificate\n", verify_depth);
660: } else if (strcmp(*argv, "-context") == 0) {
661: if (--argc < 1)
662: goto bad;
663: context = (unsigned char *) *(++argv);
664: } else if (strcmp(*argv, "-cert") == 0) {
665: if (--argc < 1)
666: goto bad;
667: s_cert_file = *(++argv);
668: } else if (strcmp(*argv, "-certform") == 0) {
669: if (--argc < 1)
670: goto bad;
671: s_cert_format = str2fmt(*(++argv));
672: } else if (strcmp(*argv, "-key") == 0) {
673: if (--argc < 1)
674: goto bad;
675: s_key_file = *(++argv);
676: } else if (strcmp(*argv, "-keyform") == 0) {
677: if (--argc < 1)
678: goto bad;
679: s_key_format = str2fmt(*(++argv));
680: } else if (strcmp(*argv, "-pass") == 0) {
681: if (--argc < 1)
682: goto bad;
683: passarg = *(++argv);
684: } else if (strcmp(*argv, "-dhparam") == 0) {
685: if (--argc < 1)
686: goto bad;
687: dhfile = *(++argv);
688: }
689: else if (strcmp(*argv, "-named_curve") == 0) {
690: if (--argc < 1)
691: goto bad;
692: named_curve = *(++argv);
693: }
694: else if (strcmp(*argv, "-dcertform") == 0) {
695: if (--argc < 1)
696: goto bad;
697: s_dcert_format = str2fmt(*(++argv));
698: } else if (strcmp(*argv, "-dcert") == 0) {
699: if (--argc < 1)
700: goto bad;
701: s_dcert_file = *(++argv);
702: } else if (strcmp(*argv, "-dkeyform") == 0) {
703: if (--argc < 1)
704: goto bad;
705: s_dkey_format = str2fmt(*(++argv));
706: } else if (strcmp(*argv, "-dpass") == 0) {
707: if (--argc < 1)
708: goto bad;
709: dpassarg = *(++argv);
710: } else if (strcmp(*argv, "-dkey") == 0) {
711: if (--argc < 1)
712: goto bad;
713: s_dkey_file = *(++argv);
714: } else if (strcmp(*argv, "-nocert") == 0) {
715: nocert = 1;
716: } else if (strcmp(*argv, "-CApath") == 0) {
717: if (--argc < 1)
718: goto bad;
719: CApath = *(++argv);
720: } else if (strcmp(*argv, "-no_cache") == 0)
721: no_cache = 1;
722: else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
723: if (badarg)
724: goto bad;
725: continue;
726: } else if (strcmp(*argv, "-verify_return_error") == 0)
727: verify_return_error = 1;
728: else if (strcmp(*argv, "-serverpref") == 0) {
729: off |= SSL_OP_CIPHER_SERVER_PREFERENCE;
730: } else if (strcmp(*argv, "-legacy_renegotiation") == 0)
731: ; /* no-op */
732: else if (strcmp(*argv, "-cipher") == 0) {
733: if (--argc < 1)
734: goto bad;
735: cipher = *(++argv);
736: } else if (strcmp(*argv, "-CAfile") == 0) {
737: if (--argc < 1)
738: goto bad;
739: CAfile = *(++argv);
740: }
741: else if (strcmp(*argv, "-nbio") == 0) {
742: s_nbio = 1;
743: }
744: else if (strcmp(*argv, "-nbio_test") == 0) {
745: s_nbio = 1;
746: s_nbio_test = 1;
747: } else if (strcmp(*argv, "-debug") == 0) {
748: s_debug = 1;
749: }
750: else if (strcmp(*argv, "-tlsextdebug") == 0)
751: s_tlsextdebug = 1;
752: else if (strcmp(*argv, "-status") == 0)
753: s_tlsextstatus = 1;
754: else if (strcmp(*argv, "-status_verbose") == 0) {
755: s_tlsextstatus = 1;
756: tlscstatp.verbose = 1;
757: } else if (!strcmp(*argv, "-status_timeout")) {
758: s_tlsextstatus = 1;
759: if (--argc < 1)
760: goto bad;
761: tlscstatp.timeout = strtonum(*(++argv), 0, INT_MAX, &errstr);
762: if (errstr)
763: goto bad;
764: } else if (!strcmp(*argv, "-status_url")) {
765: s_tlsextstatus = 1;
766: if (--argc < 1)
767: goto bad;
768: if (!OCSP_parse_url(*(++argv),
769: &tlscstatp.host,
770: &tlscstatp.port,
771: &tlscstatp.path,
772: &tlscstatp.use_ssl)) {
773: BIO_printf(bio_err, "Error parsing URL\n");
774: goto bad;
775: }
776: }
777: else if (strcmp(*argv, "-msg") == 0) {
778: s_msg = 1;
779: } else if (strcmp(*argv, "-hack") == 0) {
780: hack = 1;
781: } else if (strcmp(*argv, "-state") == 0) {
782: state = 1;
783: } else if (strcmp(*argv, "-crlf") == 0) {
784: s_crlf = 1;
785: } else if (strcmp(*argv, "-quiet") == 0) {
786: s_quiet = 1;
787: } else if (strcmp(*argv, "-bugs") == 0) {
788: bugs = 1;
789: } else if (strcmp(*argv, "-no_tmp_rsa") == 0) {
1.5 jsing 790: /* No-op. */
1.1 jsing 791: } else if (strcmp(*argv, "-no_dhe") == 0) {
792: no_dhe = 1;
793: } else if (strcmp(*argv, "-no_ecdhe") == 0) {
794: no_ecdhe = 1;
1.5 jsing 795: } else if (strcmp(*argv, "-www") == 0) {
1.1 jsing 796: www = 1;
797: } else if (strcmp(*argv, "-WWW") == 0) {
798: www = 2;
799: } else if (strcmp(*argv, "-HTTP") == 0) {
800: www = 3;
801: } else if (strcmp(*argv, "-no_ssl2") == 0) {
802: off |= SSL_OP_NO_SSLv2;
803: } else if (strcmp(*argv, "-no_ssl3") == 0) {
804: off |= SSL_OP_NO_SSLv3;
805: } else if (strcmp(*argv, "-no_tls1") == 0) {
806: off |= SSL_OP_NO_TLSv1;
807: } else if (strcmp(*argv, "-no_tls1_1") == 0) {
808: off |= SSL_OP_NO_TLSv1_1;
809: } else if (strcmp(*argv, "-no_tls1_2") == 0) {
810: off |= SSL_OP_NO_TLSv1_2;
811: } else if (strcmp(*argv, "-no_comp") == 0) {
812: off |= SSL_OP_NO_COMPRESSION;
813: }
814: else if (strcmp(*argv, "-no_ticket") == 0) {
815: off |= SSL_OP_NO_TICKET;
816: }
817: else if (strcmp(*argv, "-ssl3") == 0) {
818: meth = SSLv3_server_method();
819: } else if (strcmp(*argv, "-tls1") == 0) {
820: meth = TLSv1_server_method();
821: } else if (strcmp(*argv, "-tls1_1") == 0) {
822: meth = TLSv1_1_server_method();
823: } else if (strcmp(*argv, "-tls1_2") == 0) {
824: meth = TLSv1_2_server_method();
825: }
826: #ifndef OPENSSL_NO_DTLS1
827: else if (strcmp(*argv, "-dtls1") == 0) {
828: meth = DTLSv1_server_method();
829: socket_type = SOCK_DGRAM;
830: } else if (strcmp(*argv, "-timeout") == 0)
831: enable_timeouts = 1;
832: else if (strcmp(*argv, "-mtu") == 0) {
833: if (--argc < 1)
834: goto bad;
835: socket_mtu = strtonum(*(++argv), 0, LONG_MAX, &errstr);
836: if (errstr)
837: goto bad;
838: } else if (strcmp(*argv, "-chain") == 0)
839: cert_chain = 1;
840: #endif
841: else if (strcmp(*argv, "-id_prefix") == 0) {
842: if (--argc < 1)
843: goto bad;
844: session_id_prefix = *(++argv);
845: }
846: #ifndef OPENSSL_NO_ENGINE
847: else if (strcmp(*argv, "-engine") == 0) {
848: if (--argc < 1)
849: goto bad;
850: engine_id = *(++argv);
851: }
852: #endif
853: else if (strcmp(*argv, "-servername") == 0) {
854: if (--argc < 1)
855: goto bad;
856: tlsextcbp.servername = *(++argv);
857: } else if (strcmp(*argv, "-servername_fatal") == 0) {
858: tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
859: } else if (strcmp(*argv, "-cert2") == 0) {
860: if (--argc < 1)
861: goto bad;
862: s_cert_file2 = *(++argv);
863: } else if (strcmp(*argv, "-key2") == 0) {
864: if (--argc < 1)
865: goto bad;
866: s_key_file2 = *(++argv);
867: }
868: else if (strcmp(*argv, "-nextprotoneg") == 0) {
869: if (--argc < 1)
870: goto bad;
871: next_proto_neg_in = *(++argv);
872: }
1.8 jsing 873: else if (strcmp(*argv,"-alpn") == 0) {
874: if (--argc < 1)
875: goto bad;
876: alpn_in = *(++argv);
877: }
1.1 jsing 878: #ifndef OPENSSL_NO_SRTP
879: else if (strcmp(*argv, "-use_srtp") == 0) {
880: if (--argc < 1)
881: goto bad;
882: srtp_profiles = *(++argv);
883: }
884: #endif
885: else if (strcmp(*argv, "-keymatexport") == 0) {
886: if (--argc < 1)
887: goto bad;
888: keymatexportlabel = *(++argv);
889: } else if (strcmp(*argv, "-keymatexportlen") == 0) {
890: if (--argc < 1)
891: goto bad;
892: keymatexportlen = strtonum(*(++argv), 1, INT_MAX, &errstr);
893: if (errstr)
894: goto bad;
895: } else {
896: BIO_printf(bio_err, "unknown option %s\n", *argv);
897: badop = 1;
898: break;
899: }
900: argc--;
901: argv++;
902: }
903: if (badop) {
904: bad:
905: if (errstr)
906: BIO_printf(bio_err, "invalid argument %s: %s\n",
907: *argv, errstr);
908: else
909: sv_usage();
910: goto end;
911: }
912:
913: #ifndef OPENSSL_NO_ENGINE
914: e = setup_engine(bio_err, engine_id, 1);
915: #endif
916:
917: if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) {
918: BIO_printf(bio_err, "Error getting password\n");
919: goto end;
920: }
921: if (s_key_file == NULL)
922: s_key_file = s_cert_file;
923: if (s_key_file2 == NULL)
924: s_key_file2 = s_cert_file2;
925:
926: if (nocert == 0) {
927: s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
928: "server certificate private key file");
929: if (!s_key) {
930: ERR_print_errors(bio_err);
931: goto end;
932: }
933: s_cert = load_cert(bio_err, s_cert_file, s_cert_format,
934: NULL, e, "server certificate file");
935:
936: if (!s_cert) {
937: ERR_print_errors(bio_err);
938: goto end;
939: }
940: if (tlsextcbp.servername) {
941: s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
942: "second server certificate private key file");
943: if (!s_key2) {
944: ERR_print_errors(bio_err);
945: goto end;
946: }
947: s_cert2 = load_cert(bio_err, s_cert_file2, s_cert_format,
948: NULL, e, "second server certificate file");
949:
950: if (!s_cert2) {
951: ERR_print_errors(bio_err);
952: goto end;
953: }
954: }
955: }
956: if (next_proto_neg_in) {
957: unsigned short len;
958: next_proto.data = next_protos_parse(&len, next_proto_neg_in);
959: if (next_proto.data == NULL)
960: goto end;
961: next_proto.len = len;
962: } else {
963: next_proto.data = NULL;
964: }
1.8 jsing 965: alpn_ctx.data = NULL;
966: if (alpn_in) {
967: unsigned short len;
968: alpn_ctx.data = next_protos_parse(&len, alpn_in);
969: if (alpn_ctx.data == NULL)
970: goto end;
971: alpn_ctx.len = len;
972: }
1.1 jsing 973:
974: if (s_dcert_file) {
975:
976: if (s_dkey_file == NULL)
977: s_dkey_file = s_dcert_file;
978:
979: s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
980: 0, dpass, e,
981: "second certificate private key file");
982: if (!s_dkey) {
983: ERR_print_errors(bio_err);
984: goto end;
985: }
986: s_dcert = load_cert(bio_err, s_dcert_file, s_dcert_format,
987: NULL, e, "second server certificate file");
988:
989: if (!s_dcert) {
990: ERR_print_errors(bio_err);
991: goto end;
992: }
993: }
994: if (bio_s_out == NULL) {
995: if (s_quiet && !s_debug && !s_msg) {
996: bio_s_out = BIO_new(BIO_s_null());
997: } else {
998: if (bio_s_out == NULL)
999: bio_s_out = BIO_new_fp(stdout, BIO_NOCLOSE);
1000: }
1001: }
1.8 jsing 1002: if (nocert) {
1.1 jsing 1003: s_cert_file = NULL;
1004: s_key_file = NULL;
1005: s_dcert_file = NULL;
1006: s_dkey_file = NULL;
1007: s_cert_file2 = NULL;
1008: s_key_file2 = NULL;
1009: }
1010: ctx = SSL_CTX_new(meth);
1011: if (ctx == NULL) {
1012: ERR_print_errors(bio_err);
1013: goto end;
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(ctx, 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(ctx, 1);
1030: if (bugs)
1031: SSL_CTX_set_options(ctx, SSL_OP_ALL);
1032: if (hack)
1033: SSL_CTX_set_options(ctx, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1034: SSL_CTX_set_options(ctx, off);
1035: /*
1036: * DTLS: partial reads end up discarding unread UDP bytes :-( Setting
1037: * read ahead solves this problem.
1038: */
1039: if (socket_type == SOCK_DGRAM)
1040: SSL_CTX_set_read_ahead(ctx, 1);
1041:
1042: if (state)
1043: SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1044: if (no_cache)
1045: SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1046: else
1047: SSL_CTX_sess_set_cache_size(ctx, 128);
1048:
1049: #ifndef OPENSSL_NO_SRTP
1050: if (srtp_profiles != NULL)
1051: SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1052: #endif
1053:
1054:
1055: if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) ||
1056: (!SSL_CTX_set_default_verify_paths(ctx))) {
1057: /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1058: ERR_print_errors(bio_err);
1059: /* goto end; */
1060: }
1061: if (vpm)
1062: SSL_CTX_set1_param(ctx, vpm);
1063:
1064: if (s_cert2) {
1065: ctx2 = SSL_CTX_new(meth);
1066: if (ctx2 == NULL) {
1067: ERR_print_errors(bio_err);
1068: goto end;
1069: }
1070: }
1071: if (ctx2) {
1072: BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1073:
1074: if (session_id_prefix) {
1075: if (strlen(session_id_prefix) >= 32)
1076: BIO_printf(bio_err,
1077: "warning: id_prefix is too long, only one new session will be possible\n");
1078: else if (strlen(session_id_prefix) >= 16)
1079: BIO_printf(bio_err,
1080: "warning: id_prefix is too long if you use SSLv2\n");
1081: if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1082: BIO_printf(bio_err, "error setting 'id_prefix'\n");
1083: ERR_print_errors(bio_err);
1084: goto end;
1085: }
1086: BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1087: }
1088: SSL_CTX_set_quiet_shutdown(ctx2, 1);
1089: if (bugs)
1090: SSL_CTX_set_options(ctx2, SSL_OP_ALL);
1091: if (hack)
1092: SSL_CTX_set_options(ctx2, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1093: SSL_CTX_set_options(ctx2, off);
1094: /*
1095: * DTLS: partial reads end up discarding unread UDP bytes :-(
1096: * Setting read ahead solves this problem.
1097: */
1098: if (socket_type == SOCK_DGRAM)
1099: SSL_CTX_set_read_ahead(ctx2, 1);
1100:
1101: if (state)
1102: SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1103:
1104: if (no_cache)
1105: SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1106: else
1107: SSL_CTX_sess_set_cache_size(ctx2, 128);
1108:
1109: if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) ||
1110: (!SSL_CTX_set_default_verify_paths(ctx2))) {
1111: ERR_print_errors(bio_err);
1112: }
1113: if (vpm)
1114: SSL_CTX_set1_param(ctx2, vpm);
1115: }
1116: if (next_proto.data)
1117: SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1.8 jsing 1118: if (alpn_ctx.data)
1119: SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1.1 jsing 1120:
1121: #ifndef OPENSSL_NO_DH
1122: if (!no_dhe) {
1123: DH *dh = NULL;
1124:
1125: if (dhfile)
1126: dh = load_dh_param(dhfile);
1127: else if (s_cert_file)
1128: dh = load_dh_param(s_cert_file);
1129:
1.4 jsing 1130: if (dh != NULL)
1.1 jsing 1131: BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1.4 jsing 1132: else
1133: BIO_printf(bio_s_out, "Using auto DH parameters\n");
1134: (void) BIO_flush(bio_s_out);
1135:
1136: if (dh == NULL)
1137: SSL_CTX_set_dh_auto(ctx, 1);
1138: else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1139: BIO_printf(bio_err,
1140: "Error setting temp DH parameters\n");
1141: ERR_print_errors(bio_err);
1142: DH_free(dh);
1143: goto end;
1.1 jsing 1144: }
1145:
1146: if (ctx2) {
1147: if (!dhfile) {
1148: DH *dh2 = load_dh_param(s_cert_file2);
1149: if (dh2 != NULL) {
1150: BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1151: (void) BIO_flush(bio_s_out);
1152:
1153: DH_free(dh);
1154: dh = dh2;
1155: }
1156: }
1.4 jsing 1157: if (dh == NULL)
1158: SSL_CTX_set_dh_auto(ctx2, 1);
1159: else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1160: BIO_printf(bio_err,
1161: "Error setting temp DH parameters\n");
1162: ERR_print_errors(bio_err);
1163: DH_free(dh);
1164: goto end;
1165: }
1.1 jsing 1166: }
1167: DH_free(dh);
1168: }
1169: #endif
1170:
1171: if (!no_ecdhe) {
1172: EC_KEY *ecdh = NULL;
1173:
1174: if (named_curve) {
1175: int nid = OBJ_sn2nid(named_curve);
1176:
1177: if (nid == 0) {
1178: BIO_printf(bio_err, "unknown curve name (%s)\n",
1179: named_curve);
1180: goto end;
1181: }
1182: ecdh = EC_KEY_new_by_curve_name(nid);
1183: if (ecdh == NULL) {
1184: BIO_printf(bio_err, "unable to create curve (%s)\n",
1185: named_curve);
1186: goto end;
1187: }
1188: }
1189: if (ecdh != NULL) {
1190: BIO_printf(bio_s_out, "Setting temp ECDH parameters\n");
1191: } else {
1192: BIO_printf(bio_s_out, "Using default temp ECDH parameters\n");
1193: ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1194: if (ecdh == NULL) {
1195: BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1196: goto end;
1197: }
1198: }
1199: (void) BIO_flush(bio_s_out);
1200:
1201: SSL_CTX_set_tmp_ecdh(ctx, ecdh);
1202: if (ctx2)
1203: SSL_CTX_set_tmp_ecdh(ctx2, ecdh);
1204: EC_KEY_free(ecdh);
1205: }
1206:
1207: if (!set_cert_key_stuff(ctx, s_cert, s_key))
1208: goto end;
1209: if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2))
1210: goto end;
1211: if (s_dcert != NULL) {
1212: if (!set_cert_key_stuff(ctx, s_dcert, s_dkey))
1213: goto end;
1214: }
1215:
1216: if (cipher != NULL) {
1217: if (!SSL_CTX_set_cipher_list(ctx, cipher)) {
1218: BIO_printf(bio_err, "error setting cipher list\n");
1219: ERR_print_errors(bio_err);
1220: goto end;
1221: }
1222: if (ctx2 && !SSL_CTX_set_cipher_list(ctx2, cipher)) {
1223: BIO_printf(bio_err, "error setting cipher list\n");
1224: ERR_print_errors(bio_err);
1225: goto end;
1226: }
1227: }
1228: SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
1229: SSL_CTX_set_session_id_context(ctx, (void *) &s_server_session_id_context,
1230: sizeof s_server_session_id_context);
1231:
1232: /* Set DTLS cookie generation and verification callbacks */
1233: SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1234: SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1235:
1236: if (ctx2) {
1237: SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
1238: SSL_CTX_set_session_id_context(ctx2, (void *) &s_server_session_id_context,
1239: sizeof s_server_session_id_context);
1240:
1241: tlsextcbp.biodebug = bio_s_out;
1242: SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1243: SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1244: SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1245: SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1246: }
1247:
1248: if (CAfile != NULL) {
1249: SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
1250: if (ctx2)
1251: SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
1252: }
1253: BIO_printf(bio_s_out, "ACCEPT\n");
1254: (void) BIO_flush(bio_s_out);
1255: if (www)
1256: do_server(port, socket_type, &accept_socket, www_body, context);
1257: else
1258: do_server(port, socket_type, &accept_socket, sv_body, context);
1259: print_stats(bio_s_out, ctx);
1260: ret = 0;
1261: end:
1262: if (ctx != NULL)
1263: SSL_CTX_free(ctx);
1264: if (s_cert)
1265: X509_free(s_cert);
1266: if (s_dcert)
1267: X509_free(s_dcert);
1268: if (s_key)
1269: EVP_PKEY_free(s_key);
1270: if (s_dkey)
1271: EVP_PKEY_free(s_dkey);
1272: free(pass);
1273: free(dpass);
1274: if (vpm)
1275: X509_VERIFY_PARAM_free(vpm);
1276: free(tlscstatp.host);
1277: free(tlscstatp.port);
1278: free(tlscstatp.path);
1279: if (ctx2 != NULL)
1280: SSL_CTX_free(ctx2);
1281: if (s_cert2)
1282: X509_free(s_cert2);
1283: if (s_key2)
1284: EVP_PKEY_free(s_key2);
1.8 jsing 1285: free(next_proto.data);
1286: free(alpn_ctx.data);
1.1 jsing 1287: if (bio_s_out != NULL) {
1288: BIO_free(bio_s_out);
1289: bio_s_out = NULL;
1290: }
1291:
1292: return (ret);
1293: }
1294:
1295: static void
1296: print_stats(BIO * bio, SSL_CTX * ssl_ctx)
1297: {
1298: BIO_printf(bio, "%4ld items in the session cache\n",
1299: SSL_CTX_sess_number(ssl_ctx));
1300: BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
1301: SSL_CTX_sess_connect(ssl_ctx));
1302: BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
1303: SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1304: BIO_printf(bio, "%4ld client connects that finished\n",
1305: SSL_CTX_sess_connect_good(ssl_ctx));
1306: BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
1307: SSL_CTX_sess_accept(ssl_ctx));
1308: BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
1309: SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1310: BIO_printf(bio, "%4ld server accepts that finished\n",
1311: SSL_CTX_sess_accept_good(ssl_ctx));
1312: BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
1313: BIO_printf(bio, "%4ld session cache misses\n", SSL_CTX_sess_misses(ssl_ctx));
1314: BIO_printf(bio, "%4ld session cache timeouts\n", SSL_CTX_sess_timeouts(ssl_ctx));
1315: BIO_printf(bio, "%4ld callback cache hits\n", SSL_CTX_sess_cb_hits(ssl_ctx));
1316: BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
1317: SSL_CTX_sess_cache_full(ssl_ctx),
1318: SSL_CTX_sess_get_cache_size(ssl_ctx));
1319: }
1320:
1321: static int
1322: sv_body(char *hostname, int s, unsigned char *context)
1323: {
1324: char *buf = NULL;
1.7 deraadt 1325: int ret = 1;
1.1 jsing 1326: int k, i;
1327: unsigned long l;
1328: SSL *con = NULL;
1329: BIO *sbio;
1330: struct timeval timeout;
1331:
1332: if ((buf = malloc(bufsize)) == NULL) {
1333: BIO_printf(bio_err, "out of memory\n");
1334: goto err;
1335: }
1336: if (s_nbio) {
1337: if (!s_quiet)
1338: BIO_printf(bio_err, "turning on non blocking io\n");
1.2 bcook 1339: if (!BIO_socket_nbio(s, 1))
1.1 jsing 1340: ERR_print_errors(bio_err);
1341: }
1342:
1343: if (con == NULL) {
1344: con = SSL_new(ctx);
1345: if (s_tlsextdebug) {
1346: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1347: SSL_set_tlsext_debug_arg(con, bio_s_out);
1348: }
1349: if (s_tlsextstatus) {
1350: SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1351: tlscstatp.err = bio_err;
1352: SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1353: }
1354: if (context)
1355: SSL_set_session_id_context(con, context,
1356: strlen((char *) context));
1357: }
1358: SSL_clear(con);
1359:
1360: if (SSL_version(con) == DTLS1_VERSION) {
1361:
1362: sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1363:
1364: if (enable_timeouts) {
1365: timeout.tv_sec = 0;
1366: timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1367: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1368:
1369: timeout.tv_sec = 0;
1370: timeout.tv_usec = DGRAM_SND_TIMEOUT;
1371: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1372: }
1373: if (socket_mtu > 28) {
1374: SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1375: SSL_set_mtu(con, socket_mtu - 28);
1376: } else
1377: /* want to do MTU discovery */
1378: BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1379:
1380: /* turn on cookie exchange */
1381: SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
1382: } else
1383: sbio = BIO_new_socket(s, BIO_NOCLOSE);
1384:
1385: if (s_nbio_test) {
1386: BIO *test;
1387:
1388: test = BIO_new(BIO_f_nbio_test());
1389: sbio = BIO_push(test, sbio);
1390: }
1391:
1392: SSL_set_bio(con, sbio, sbio);
1393: SSL_set_accept_state(con);
1394: /* SSL_set_fd(con,s); */
1395:
1396: if (s_debug) {
1397: SSL_set_debug(con, 1);
1398: BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
1399: BIO_set_callback_arg(SSL_get_rbio(con), (char *) bio_s_out);
1400: }
1401: if (s_msg) {
1402: SSL_set_msg_callback(con, msg_cb);
1403: SSL_set_msg_callback_arg(con, bio_s_out);
1404: }
1405: if (s_tlsextdebug) {
1406: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1407: SSL_set_tlsext_debug_arg(con, bio_s_out);
1408: }
1409:
1410: for (;;) {
1411: int read_from_terminal;
1412: int read_from_sslcon;
1.7 deraadt 1413: struct pollfd pfd[2];
1414: int ptimeout;
1.1 jsing 1415:
1416: read_from_terminal = 0;
1417: read_from_sslcon = SSL_pending(con);
1418:
1419: if (!read_from_sslcon) {
1.7 deraadt 1420: pfd[0].fd = fileno(stdin);
1421: pfd[0].events = POLLIN;
1422: pfd[1].fd = s;
1423: pfd[1].events = POLLIN;
1424:
1.1 jsing 1425: if ((SSL_version(con) == DTLS1_VERSION) &&
1426: DTLSv1_get_timeout(con, &timeout))
1.7 deraadt 1427: ptimeout = timeout.tv_sec * 1000 +
1428: timeout.tv_usec / 1000;
1.1 jsing 1429: else
1.7 deraadt 1430: ptimeout = -1;
1.1 jsing 1431:
1.7 deraadt 1432: i = poll(pfd, 2, ptimeout);
1.1 jsing 1433:
1434: if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) {
1435: BIO_printf(bio_err, "TIMEOUT occured\n");
1436: }
1437: if (i <= 0)
1438: continue;
1.7 deraadt 1439: if (pfd[0].revents) {
1440: if ((pfd[0].revents & (POLLERR|POLLNVAL)))
1441: continue;
1.1 jsing 1442: read_from_terminal = 1;
1.7 deraadt 1443: }
1444: if (pfd[1].revents) {
1445: if ((pfd[1].revents & (POLLERR|POLLNVAL)))
1446: continue;
1.1 jsing 1447: read_from_sslcon = 1;
1.7 deraadt 1448: }
1.1 jsing 1449: }
1450: if (read_from_terminal) {
1451: if (s_crlf) {
1452: int j, lf_num;
1453:
1454: i = read(fileno(stdin), buf, bufsize / 2);
1455: lf_num = 0;
1456: /* both loops are skipped when i <= 0 */
1457: for (j = 0; j < i; j++)
1458: if (buf[j] == '\n')
1459: lf_num++;
1460: for (j = i - 1; j >= 0; j--) {
1461: buf[j + lf_num] = buf[j];
1462: if (buf[j] == '\n') {
1463: lf_num--;
1464: i++;
1465: buf[j + lf_num] = '\r';
1466: }
1467: }
1468: assert(lf_num == 0);
1469: } else
1470: i = read(fileno(stdin), buf, bufsize);
1471: if (!s_quiet) {
1472: if ((i <= 0) || (buf[0] == 'Q')) {
1473: BIO_printf(bio_s_out, "DONE\n");
1474: shutdown(s, SHUT_RD);
1475: close(s);
1476: close_accept_socket();
1477: ret = -11;
1478: goto err;
1479: }
1480: if ((i <= 0) || (buf[0] == 'q')) {
1481: BIO_printf(bio_s_out, "DONE\n");
1482: if (SSL_version(con) != DTLS1_VERSION) {
1483: shutdown(s, SHUT_RD);
1484: close(s);
1485: }
1486: /*
1487: * close_accept_socket(); ret= -11;
1488: */
1489: goto err;
1490: }
1491: if ((buf[0] == 'r') &&
1492: ((buf[1] == '\n') || (buf[1] == '\r'))) {
1493: SSL_renegotiate(con);
1494: i = SSL_do_handshake(con);
1495: printf("SSL_do_handshake -> %d\n", i);
1496: i = 0; /* 13; */
1497: continue;
1498: /*
1499: * strcpy(buf,"server side
1500: * RE-NEGOTIATE\n");
1501: */
1502: }
1503: if ((buf[0] == 'R') &&
1504: ((buf[1] == '\n') || (buf[1] == '\r'))) {
1505: SSL_set_verify(con,
1506: SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, NULL);
1507: SSL_renegotiate(con);
1508: i = SSL_do_handshake(con);
1509: printf("SSL_do_handshake -> %d\n", i);
1510: i = 0; /* 13; */
1511: continue;
1512: /*
1513: * strcpy(buf,"server side
1514: * RE-NEGOTIATE asking for client
1515: * cert\n");
1516: */
1517: }
1518: if (buf[0] == 'P') {
1519: static const char *str = "Lets print some clear text\n";
1520: BIO_write(SSL_get_wbio(con), str, strlen(str));
1521: }
1522: if (buf[0] == 'S') {
1523: print_stats(bio_s_out, SSL_get_SSL_CTX(con));
1524: }
1525: }
1526: l = k = 0;
1527: for (;;) {
1528: /* should do a select for the write */
1529: #ifdef RENEG
1530: {
1531: static count = 0;
1532: if (++count == 100) {
1533: count = 0;
1534: SSL_renegotiate(con);
1535: }
1536: }
1537: #endif
1538: k = SSL_write(con, &(buf[l]), (unsigned int) i);
1539: switch (SSL_get_error(con, k)) {
1540: case SSL_ERROR_NONE:
1541: break;
1542: case SSL_ERROR_WANT_WRITE:
1543: case SSL_ERROR_WANT_READ:
1544: case SSL_ERROR_WANT_X509_LOOKUP:
1545: BIO_printf(bio_s_out, "Write BLOCK\n");
1546: break;
1547: case SSL_ERROR_SYSCALL:
1548: case SSL_ERROR_SSL:
1549: BIO_printf(bio_s_out, "ERROR\n");
1550: ERR_print_errors(bio_err);
1551: ret = 1;
1552: goto err;
1553: /* break; */
1554: case SSL_ERROR_ZERO_RETURN:
1555: BIO_printf(bio_s_out, "DONE\n");
1556: ret = 1;
1557: goto err;
1558: }
1559: l += k;
1560: i -= k;
1561: if (i <= 0)
1562: break;
1563: }
1564: }
1565: if (read_from_sslcon) {
1566: if (!SSL_is_init_finished(con)) {
1567: i = init_ssl_connection(con);
1568:
1569: if (i < 0) {
1570: ret = 0;
1571: goto err;
1572: } else if (i == 0) {
1573: ret = 1;
1574: goto err;
1575: }
1576: } else {
1577: again:
1578: i = SSL_read(con, (char *) buf, bufsize);
1579: switch (SSL_get_error(con, i)) {
1580: case SSL_ERROR_NONE: {
1581: int len, n;
1582: for (len = 0; len < i;) {
1583: do {
1584: n = write(fileno(stdout), buf + len, i - len);
1585: } while (n == -1 && errno == EINTR);
1586:
1587: if (n < 0) {
1588: BIO_printf(bio_s_out, "ERROR\n");
1589: goto err;
1590: }
1591: len += n;
1592: }
1593: }
1594: if (SSL_pending(con))
1595: goto again;
1596: break;
1597: case SSL_ERROR_WANT_WRITE:
1598: case SSL_ERROR_WANT_READ:
1599: BIO_printf(bio_s_out, "Read BLOCK\n");
1600: break;
1601: case SSL_ERROR_SYSCALL:
1602: case SSL_ERROR_SSL:
1603: BIO_printf(bio_s_out, "ERROR\n");
1604: ERR_print_errors(bio_err);
1605: ret = 1;
1606: goto err;
1607: case SSL_ERROR_ZERO_RETURN:
1608: BIO_printf(bio_s_out, "DONE\n");
1609: ret = 1;
1610: goto err;
1611: }
1612: }
1613: }
1614: }
1615: err:
1616: if (con != NULL) {
1617: BIO_printf(bio_s_out, "shutting down SSL\n");
1618: SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
1619: SSL_free(con);
1620: }
1621: BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
1622: if (buf != NULL) {
1623: OPENSSL_cleanse(buf, bufsize);
1624: free(buf);
1625: }
1626: if (ret >= 0)
1627: BIO_printf(bio_s_out, "ACCEPT\n");
1628: return (ret);
1629: }
1630:
1631: static void
1632: close_accept_socket(void)
1633: {
1634: BIO_printf(bio_err, "shutdown accept socket\n");
1635: if (accept_socket >= 0) {
1636: shutdown(accept_socket, SHUT_RDWR);
1637: close(accept_socket);
1638: }
1639: }
1640:
1641: static int
1642: init_ssl_connection(SSL * con)
1643: {
1644: int i;
1645: const char *str;
1646: X509 *peer;
1647: long verify_error;
1648: char buf[BUFSIZ];
1649: const unsigned char *next_proto_neg;
1650: unsigned next_proto_neg_len;
1651: unsigned char *exportedkeymat;
1652:
1653: i = SSL_accept(con);
1654: if (i <= 0) {
1655: if (BIO_sock_should_retry(i)) {
1656: BIO_printf(bio_s_out, "DELAY\n");
1657: return (1);
1658: }
1659: BIO_printf(bio_err, "ERROR\n");
1660: verify_error = SSL_get_verify_result(con);
1661: if (verify_error != X509_V_OK) {
1662: BIO_printf(bio_err, "verify error:%s\n",
1663: X509_verify_cert_error_string(verify_error));
1664: } else
1665: ERR_print_errors(bio_err);
1666: return (0);
1667: }
1668: PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
1669:
1670: peer = SSL_get_peer_certificate(con);
1671: if (peer != NULL) {
1672: BIO_printf(bio_s_out, "Client certificate\n");
1673: PEM_write_bio_X509(bio_s_out, peer);
1674: X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
1675: BIO_printf(bio_s_out, "subject=%s\n", buf);
1676: X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
1677: BIO_printf(bio_s_out, "issuer=%s\n", buf);
1678: X509_free(peer);
1679: }
1680: if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
1681: BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
1682: str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1683: BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
1684:
1685: SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
1686: if (next_proto_neg) {
1687: BIO_printf(bio_s_out, "NEXTPROTO is ");
1688: BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
1689: BIO_printf(bio_s_out, "\n");
1690: }
1691: #ifndef OPENSSL_NO_SRTP
1692: {
1693: SRTP_PROTECTION_PROFILE *srtp_profile
1694: = SSL_get_selected_srtp_profile(con);
1695:
1696: if (srtp_profile)
1697: BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
1698: srtp_profile->name);
1699: }
1700: #endif
1701: if (SSL_cache_hit(con))
1702: BIO_printf(bio_s_out, "Reused session-id\n");
1703: if (SSL_ctrl(con, SSL_CTRL_GET_FLAGS, 0, NULL) &
1704: TLS1_FLAGS_TLS_PADDING_BUG)
1705: BIO_printf(bio_s_out,
1706: "Peer has incorrect TLSv1 block padding\n");
1707: BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
1708: SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
1709: if (keymatexportlabel != NULL) {
1710: BIO_printf(bio_s_out, "Keying material exporter:\n");
1711: BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
1712: BIO_printf(bio_s_out, " Length: %i bytes\n",
1713: keymatexportlen);
1714: exportedkeymat = malloc(keymatexportlen);
1715: if (exportedkeymat != NULL) {
1716: if (!SSL_export_keying_material(con, exportedkeymat,
1717: keymatexportlen,
1718: keymatexportlabel,
1719: strlen(keymatexportlabel),
1720: NULL, 0, 0)) {
1721: BIO_printf(bio_s_out, " Error\n");
1722: } else {
1723: BIO_printf(bio_s_out, " Keying material: ");
1724: for (i = 0; i < keymatexportlen; i++)
1725: BIO_printf(bio_s_out, "%02X",
1726: exportedkeymat[i]);
1727: BIO_printf(bio_s_out, "\n");
1728: }
1729: free(exportedkeymat);
1730: }
1731: }
1732: return (1);
1733: }
1734:
1735: #ifndef OPENSSL_NO_DH
1736: static DH *
1737: load_dh_param(const char *dhfile)
1738: {
1739: DH *ret = NULL;
1740: BIO *bio;
1741:
1742: if ((bio = BIO_new_file(dhfile, "r")) == NULL)
1743: goto err;
1744: ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
1745: err:
1746: BIO_free(bio);
1747: return (ret);
1748: }
1749: #endif
1750:
1751: static int
1752: www_body(char *hostname, int s, unsigned char *context)
1753: {
1754: char *buf = NULL;
1755: int ret = 1;
1756: int i, j, k, dot;
1757: SSL *con;
1758: const SSL_CIPHER *c;
1759: BIO *io, *ssl_bio, *sbio;
1760:
1761: buf = malloc(bufsize);
1762: if (buf == NULL)
1763: return (0);
1764: io = BIO_new(BIO_f_buffer());
1765: ssl_bio = BIO_new(BIO_f_ssl());
1766: if ((io == NULL) || (ssl_bio == NULL))
1767: goto err;
1768:
1769: if (s_nbio) {
1770: if (!s_quiet)
1771: BIO_printf(bio_err, "turning on non blocking io\n");
1.2 bcook 1772: if (!BIO_socket_nbio(s, 1))
1.1 jsing 1773: ERR_print_errors(bio_err);
1774: }
1775:
1776: /* lets make the output buffer a reasonable size */
1777: if (!BIO_set_write_buffer_size(io, bufsize))
1778: goto err;
1779:
1780: if ((con = SSL_new(ctx)) == NULL)
1781: goto err;
1782: if (s_tlsextdebug) {
1783: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1784: SSL_set_tlsext_debug_arg(con, bio_s_out);
1785: }
1786: if (context)
1787: SSL_set_session_id_context(con, context,
1788: strlen((char *) context));
1789:
1790: sbio = BIO_new_socket(s, BIO_NOCLOSE);
1791: if (s_nbio_test) {
1792: BIO *test;
1793:
1794: test = BIO_new(BIO_f_nbio_test());
1795: sbio = BIO_push(test, sbio);
1796: }
1797: SSL_set_bio(con, sbio, sbio);
1798: SSL_set_accept_state(con);
1799:
1800: /* SSL_set_fd(con,s); */
1801: BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
1802: BIO_push(io, ssl_bio);
1803:
1804: if (s_debug) {
1805: SSL_set_debug(con, 1);
1806: BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
1807: BIO_set_callback_arg(SSL_get_rbio(con), (char *) bio_s_out);
1808: }
1809: if (s_msg) {
1810: SSL_set_msg_callback(con, msg_cb);
1811: SSL_set_msg_callback_arg(con, bio_s_out);
1812: }
1813: for (;;) {
1814: if (hack) {
1815: i = SSL_accept(con);
1816: switch (SSL_get_error(con, i)) {
1817: case SSL_ERROR_NONE:
1818: break;
1819: case SSL_ERROR_WANT_WRITE:
1820: case SSL_ERROR_WANT_READ:
1821: case SSL_ERROR_WANT_X509_LOOKUP:
1822: continue;
1823: case SSL_ERROR_SYSCALL:
1824: case SSL_ERROR_SSL:
1825: case SSL_ERROR_ZERO_RETURN:
1826: ret = 1;
1827: goto err;
1828: /* break; */
1829: }
1830:
1831: SSL_renegotiate(con);
1832: SSL_write(con, NULL, 0);
1833: }
1834: i = BIO_gets(io, buf, bufsize - 1);
1835: if (i < 0) { /* error */
1836: if (!BIO_should_retry(io)) {
1837: if (!s_quiet)
1838: ERR_print_errors(bio_err);
1839: goto err;
1840: } else {
1841: BIO_printf(bio_s_out, "read R BLOCK\n");
1842: sleep(1);
1843: continue;
1844: }
1845: } else if (i == 0) { /* end of input */
1846: ret = 1;
1847: goto end;
1848: }
1849: /* else we have data */
1850: if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
1851: ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
1852: char *p;
1853: X509 *peer;
1854: STACK_OF(SSL_CIPHER) * sk;
1855: static const char *space = " ";
1856:
1857: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1858: BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1859: BIO_puts(io, "<pre>\n");
1860: /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1861: BIO_puts(io, "\n");
1862: for (i = 0; i < local_argc; i++) {
1863: BIO_puts(io, local_argv[i]);
1864: BIO_write(io, " ", 1);
1865: }
1866: BIO_puts(io, "\n");
1867:
1868: BIO_printf(io,
1869: "Secure Renegotiation IS%s supported\n",
1870: SSL_get_secure_renegotiation_support(con) ?
1871: "" : " NOT");
1872:
1873: /*
1874: * The following is evil and should not really be
1875: * done
1876: */
1877: BIO_printf(io, "Ciphers supported in s_server binary\n");
1878: sk = SSL_get_ciphers(con);
1879: j = sk_SSL_CIPHER_num(sk);
1880: for (i = 0; i < j; i++) {
1881: c = sk_SSL_CIPHER_value(sk, i);
1882: BIO_printf(io, "%-11s:%-25s",
1883: SSL_CIPHER_get_version(c),
1884: SSL_CIPHER_get_name(c));
1885: if ((((i + 1) % 2) == 0) && (i + 1 != j))
1886: BIO_puts(io, "\n");
1887: }
1888: BIO_puts(io, "\n");
1889: p = SSL_get_shared_ciphers(con, buf, bufsize);
1890: if (p != NULL) {
1891: BIO_printf(io, "---\nCiphers common between both SSL end points:\n");
1892: j = i = 0;
1893: while (*p) {
1894: if (*p == ':') {
1895: BIO_write(io, space, 26 - j);
1896: i++;
1897: j = 0;
1898: BIO_write(io, ((i % 3) ? " " : "\n"), 1);
1899: } else {
1900: BIO_write(io, p, 1);
1901: j++;
1902: }
1903: p++;
1904: }
1905: BIO_puts(io, "\n");
1906: }
1907: BIO_printf(io, (SSL_cache_hit(con)
1908: ? "---\nReused, "
1909: : "---\nNew, "));
1910: c = SSL_get_current_cipher(con);
1911: BIO_printf(io, "%s, Cipher is %s\n",
1912: SSL_CIPHER_get_version(c),
1913: SSL_CIPHER_get_name(c));
1914: SSL_SESSION_print(io, SSL_get_session(con));
1915: BIO_printf(io, "---\n");
1916: print_stats(io, SSL_get_SSL_CTX(con));
1917: BIO_printf(io, "---\n");
1918: peer = SSL_get_peer_certificate(con);
1919: if (peer != NULL) {
1920: BIO_printf(io, "Client certificate\n");
1921: X509_print(io, peer);
1922: PEM_write_bio_X509(io, peer);
1923: } else
1924: BIO_puts(io, "no client certificate available\n");
1925: BIO_puts(io, "</BODY></HTML>\r\n\r\n");
1926: break;
1927: } else if ((www == 2 || www == 3)
1928: && (strncmp("GET /", buf, 5) == 0)) {
1929: BIO *file;
1930: char *p, *e;
1931: static const char *text = "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1932:
1933: /* skip the '/' */
1934: p = &(buf[5]);
1935:
1936: dot = 1;
1937: for (e = p; *e != '\0'; e++) {
1938: if (e[0] == ' ')
1939: break;
1940:
1941: switch (dot) {
1942: case 1:
1943: dot = (e[0] == '.') ? 2 : 0;
1944: break;
1945: case 2:
1946: dot = (e[0] == '.') ? 3 : 0;
1947: break;
1948: case 3:
1949: dot = (e[0] == '/') ? -1 : 0;
1950: break;
1951: }
1952: if (dot == 0)
1953: dot = (e[0] == '/') ? 1 : 0;
1954: }
1955: dot = (dot == 3) || (dot == -1); /* filename contains
1956: * ".." component */
1957:
1958: if (*e == '\0') {
1959: BIO_puts(io, text);
1960: BIO_printf(io, "'%s' is an invalid file name\r\n", p);
1961: break;
1962: }
1963: *e = '\0';
1964:
1965: if (dot) {
1966: BIO_puts(io, text);
1967: BIO_printf(io, "'%s' contains '..' reference\r\n", p);
1968: break;
1969: }
1970: if (*p == '/') {
1971: BIO_puts(io, text);
1972: BIO_printf(io, "'%s' is an invalid path\r\n", p);
1973: break;
1974: }
1975: /* if a directory, do the index thang */
1976: if (app_isdir(p) > 0) {
1977: BIO_puts(io, text);
1978: BIO_printf(io, "'%s' is a directory\r\n", p);
1979: break;
1980: }
1981: if ((file = BIO_new_file(p, "r")) == NULL) {
1982: BIO_puts(io, text);
1983: BIO_printf(io, "Error opening '%s'\r\n", p);
1984: ERR_print_errors(io);
1985: break;
1986: }
1987: if (!s_quiet)
1988: BIO_printf(bio_err, "FILE:%s\n", p);
1989:
1990: if (www == 2) {
1991: i = strlen(p);
1992: if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
1993: ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
1994: ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
1995: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1996: else
1997: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1998: }
1999: /* send the file */
2000: for (;;) {
2001: i = BIO_read(file, buf, bufsize);
2002: if (i <= 0)
2003: break;
2004:
2005: #ifdef RENEG
2006: total_bytes += i;
2007: fprintf(stderr, "%d\n", i);
2008: if (total_bytes > 3 * 1024) {
2009: total_bytes = 0;
2010: fprintf(stderr, "RENEGOTIATE\n");
2011: SSL_renegotiate(con);
2012: }
2013: #endif
2014:
2015: for (j = 0; j < i;) {
2016: #ifdef RENEG
2017: {
2018: static count = 0;
2019: if (++count == 13) {
2020: SSL_renegotiate(con);
2021: }
2022: }
2023: #endif
2024: k = BIO_write(io, &(buf[j]), i - j);
2025: if (k <= 0) {
2026: if (!BIO_should_retry(io))
2027: goto write_error;
2028: else {
2029: BIO_printf(bio_s_out, "rwrite W BLOCK\n");
2030: }
2031: } else {
2032: j += k;
2033: }
2034: }
2035: }
2036: write_error:
2037: BIO_free(file);
2038: break;
2039: }
2040: }
2041:
2042: for (;;) {
2043: i = (int) BIO_flush(io);
2044: if (i <= 0) {
2045: if (!BIO_should_retry(io))
2046: break;
2047: } else
2048: break;
2049: }
2050: end:
2051: /* make sure we re-use sessions */
2052: SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2053:
2054: err:
2055:
2056: if (ret >= 0)
2057: BIO_printf(bio_s_out, "ACCEPT\n");
2058:
2059: if (buf != NULL)
2060: free(buf);
2061: if (io != NULL)
2062: BIO_free_all(io);
2063: /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2064: return (ret);
2065: }
2066:
2067: #define MAX_SESSION_ID_ATTEMPTS 10
2068: static int
2069: generate_session_id(const SSL * ssl, unsigned char *id,
2070: unsigned int *id_len)
2071: {
2072: unsigned int count = 0;
2073: do {
1.3 jsing 2074: arc4random_buf(id, *id_len);
1.1 jsing 2075: /*
2076: * Prefix the session_id with the required prefix. NB: If our
2077: * prefix is too long, clip it - but there will be worse
2078: * effects anyway, eg. the server could only possibly create
2079: * 1 session ID (ie. the prefix!) so all future session
2080: * negotiations will fail due to conflicts.
2081: */
2082: memcpy(id, session_id_prefix,
2083: (strlen(session_id_prefix) < *id_len) ?
2084: strlen(session_id_prefix) : *id_len);
2085: }
2086: while (SSL_has_matching_session_id(ssl, id, *id_len) &&
2087: (++count < MAX_SESSION_ID_ATTEMPTS));
2088: if (count >= MAX_SESSION_ID_ATTEMPTS)
2089: return 0;
2090: return 1;
2091: }