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1.2 ! bcook 1: /* $OpenBSD: s_server.c,v 1.1 2014/08/26 17:47:25 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/select.h>
152: #include <sys/socket.h>
153:
154: #include <assert.h>
155: #include <ctype.h>
156: #include <stdio.h>
157: #include <stdlib.h>
158: #include <limits.h>
159: #include <string.h>
160: #include <unistd.h>
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/rand.h>
170: #include <openssl/ssl.h>
171: #include <openssl/x509.h>
172:
173: #ifndef OPENSSL_NO_DH
174: #include <openssl/dh.h>
175: #endif
176:
177: #include <openssl/rsa.h>
178:
179: #include "s_apps.h"
180: #include "timeouts.h"
181:
182: static RSA *tmp_rsa_cb(SSL * s, int is_export, int keylength);
183: static int sv_body(char *hostname, int s, unsigned char *context);
184: static int www_body(char *hostname, int s, unsigned char *context);
185: static void close_accept_socket(void);
186: static void sv_usage(void);
187: static int init_ssl_connection(SSL * s);
188: static void print_stats(BIO * bp, SSL_CTX * ctx);
189: static int
190: generate_session_id(const SSL * ssl, unsigned char *id,
191: unsigned int *id_len);
192: #ifndef OPENSSL_NO_DH
193: static DH *load_dh_param(const char *dhfile);
194: static DH *get_dh512(void);
195: #endif
196:
197: static void s_server_init(void);
198:
199: #ifndef OPENSSL_NO_DH
200: static unsigned char dh512_p[] = {
201: 0xDA, 0x58, 0x3C, 0x16, 0xD9, 0x85, 0x22, 0x89, 0xD0, 0xE4, 0xAF, 0x75,
202: 0x6F, 0x4C, 0xCA, 0x92, 0xDD, 0x4B, 0xE5, 0x33, 0xB8, 0x04, 0xFB, 0x0F,
203: 0xED, 0x94, 0xEF, 0x9C, 0x8A, 0x44, 0x03, 0xED, 0x57, 0x46, 0x50, 0xD3,
204: 0x69, 0x99, 0xDB, 0x29, 0xD7, 0x76, 0x27, 0x6B, 0xA2, 0xD3, 0xD4, 0x12,
205: 0xE2, 0x18, 0xF4, 0xDD, 0x1E, 0x08, 0x4C, 0xF6, 0xD8, 0x00, 0x3E, 0x7C,
206: 0x47, 0x74, 0xE8, 0x33,
207: };
208: static unsigned char dh512_g[] = {
209: 0x02,
210: };
211:
212: static DH *
213: get_dh512(void)
214: {
215: DH *dh = NULL;
216:
217: if ((dh = DH_new()) == NULL)
218: return (NULL);
219: dh->p = BN_bin2bn(dh512_p, sizeof(dh512_p), NULL);
220: dh->g = BN_bin2bn(dh512_g, sizeof(dh512_g), NULL);
221: if ((dh->p == NULL) || (dh->g == NULL))
222: return (NULL);
223: return (dh);
224: }
225: #endif
226:
227:
228: /* static int load_CA(SSL_CTX *ctx, char *file);*/
229:
230: #define BUFSIZZ 16*1024
231: static int bufsize = BUFSIZZ;
232: static int accept_socket = -1;
233:
234: #define TEST_CERT "server.pem"
235: #ifndef OPENSSL_NO_TLSEXT
236: #define TEST_CERT2 "server2.pem"
237: #endif
238:
239: extern int verify_depth, verify_return_error;
240:
241: static char *cipher = NULL;
242: static int s_server_verify = SSL_VERIFY_NONE;
243: static int s_server_session_id_context = 1; /* anything will do */
244: static const char *s_cert_file = TEST_CERT, *s_key_file = NULL;
245: #ifndef OPENSSL_NO_TLSEXT
246: static const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
247: #endif
248: static char *s_dcert_file = NULL, *s_dkey_file = NULL;
249: static int s_nbio = 0;
250: static int s_nbio_test = 0;
251: int s_crlf = 0;
252: static SSL_CTX *ctx = NULL;
253: #ifndef OPENSSL_NO_TLSEXT
254: static SSL_CTX *ctx2 = NULL;
255: #endif
256: static int www = 0;
257:
258: static BIO *bio_s_out = NULL;
259: static int s_debug = 0;
260: #ifndef OPENSSL_NO_TLSEXT
261: static int s_tlsextdebug = 0;
262: static int s_tlsextstatus = 0;
263: static int cert_status_cb(SSL * s, void *arg);
264: #endif
265: static int s_msg = 0;
266: static int s_quiet = 0;
267:
268: static char *keymatexportlabel = NULL;
269: static int keymatexportlen = 20;
270:
271: static int hack = 0;
272: #ifndef OPENSSL_NO_ENGINE
273: static char *engine_id = NULL;
274: #endif
275: static const char *session_id_prefix = NULL;
276:
277: static int enable_timeouts = 0;
278: static long socket_mtu;
279: #ifndef OPENSSL_NO_DTLS1
280: static int cert_chain = 0;
281: #endif
282:
283:
284:
285:
286: static void
287: s_server_init(void)
288: {
289: accept_socket = -1;
290: cipher = NULL;
291: s_server_verify = SSL_VERIFY_NONE;
292: s_dcert_file = NULL;
293: s_dkey_file = NULL;
294: s_cert_file = TEST_CERT;
295: s_key_file = NULL;
296: #ifndef OPENSSL_NO_TLSEXT
297: s_cert_file2 = TEST_CERT2;
298: s_key_file2 = NULL;
299: ctx2 = NULL;
300: #endif
301: s_nbio = 0;
302: s_nbio_test = 0;
303: ctx = NULL;
304: www = 0;
305:
306: bio_s_out = NULL;
307: s_debug = 0;
308: s_msg = 0;
309: s_quiet = 0;
310: hack = 0;
311: #ifndef OPENSSL_NO_ENGINE
312: engine_id = NULL;
313: #endif
314: }
315:
316: static void
317: sv_usage(void)
318: {
319: BIO_printf(bio_err, "usage: s_server [args ...]\n");
320: BIO_printf(bio_err, "\n");
321: BIO_printf(bio_err, " -accept arg - port to accept on (default is %d)\n", PORT);
322: BIO_printf(bio_err, " -context arg - set session ID context\n");
323: BIO_printf(bio_err, " -verify arg - turn on peer certificate verification\n");
324: BIO_printf(bio_err, " -Verify arg - turn on peer certificate verification, must have a cert.\n");
325: BIO_printf(bio_err, " -cert arg - certificate file to use\n");
326: BIO_printf(bio_err, " (default is %s)\n", TEST_CERT);
327: BIO_printf(bio_err, " -crl_check - check the peer certificate has not been revoked by its CA.\n" \
328: " The CRL(s) are appended to the certificate file\n");
329: BIO_printf(bio_err, " -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
330: " or any other CRL in the CA chain. CRL(s) are appended to the\n" \
331: " the certificate file.\n");
332: BIO_printf(bio_err, " -certform arg - certificate format (PEM or DER) PEM default\n");
333: BIO_printf(bio_err, " -key arg - Private Key file to use, in cert file if\n");
334: BIO_printf(bio_err, " not specified (default is %s)\n", TEST_CERT);
335: BIO_printf(bio_err, " -keyform arg - key format (PEM, DER or ENGINE) PEM default\n");
336: BIO_printf(bio_err, " -pass arg - private key file pass phrase source\n");
337: BIO_printf(bio_err, " -dcert arg - second certificate file to use (usually for DSA)\n");
338: BIO_printf(bio_err, " -dcertform x - second certificate format (PEM or DER) PEM default\n");
339: BIO_printf(bio_err, " -dkey arg - second private key file to use (usually for DSA)\n");
340: BIO_printf(bio_err, " -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
341: BIO_printf(bio_err, " -dpass arg - second private key file pass phrase source\n");
342: BIO_printf(bio_err, " -dhparam arg - DH parameter file to use, in cert file if not specified\n");
343: BIO_printf(bio_err, " or a default set of parameters is used\n");
344: BIO_printf(bio_err, " -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" \
345: " Use \"openssl ecparam -list_curves\" for all names\n" \
346: " (default is nistp256).\n");
347: BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n");
348: BIO_printf(bio_err, " -nbio_test - test with the non-blocking test bio\n");
349: BIO_printf(bio_err, " -crlf - convert LF from terminal into CRLF\n");
350: BIO_printf(bio_err, " -debug - Print more output\n");
351: BIO_printf(bio_err, " -msg - Show protocol messages\n");
352: BIO_printf(bio_err, " -state - Print the SSL states\n");
353: BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n");
354: BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n");
355: BIO_printf(bio_err, " -nocert - Don't use any certificates (Anon-DH)\n");
356: BIO_printf(bio_err, " -cipher arg - play with 'openssl ciphers' to see what goes here\n");
357: BIO_printf(bio_err, " -serverpref - Use server's cipher preferences\n");
358: BIO_printf(bio_err, " -quiet - Inhibit printing of session and certificate information\n");
359: BIO_printf(bio_err, " -no_tmp_rsa - Do not generate a tmp RSA key\n");
360: BIO_printf(bio_err, " -ssl3 - Just talk SSLv3\n");
361: BIO_printf(bio_err, " -tls1_2 - Just talk TLSv1.2\n");
362: BIO_printf(bio_err, " -tls1_1 - Just talk TLSv1.1\n");
363: BIO_printf(bio_err, " -tls1 - Just talk TLSv1\n");
364: BIO_printf(bio_err, " -dtls1 - Just talk DTLSv1\n");
365: BIO_printf(bio_err, " -timeout - Enable timeouts\n");
366: BIO_printf(bio_err, " -mtu - Set link layer MTU\n");
367: BIO_printf(bio_err, " -chain - Read a certificate chain\n");
368: BIO_printf(bio_err, " -no_ssl2 - Just disable SSLv2\n");
369: BIO_printf(bio_err, " -no_ssl3 - Just disable SSLv3\n");
370: BIO_printf(bio_err, " -no_tls1 - Just disable TLSv1\n");
371: BIO_printf(bio_err, " -no_tls1_1 - Just disable TLSv1.1\n");
372: BIO_printf(bio_err, " -no_tls1_2 - Just disable TLSv1.2\n");
373: #ifndef OPENSSL_NO_DH
374: BIO_printf(bio_err, " -no_dhe - Disable ephemeral DH\n");
375: #endif
376: BIO_printf(bio_err, " -no_ecdhe - Disable ephemeral ECDH\n");
377: BIO_printf(bio_err, " -bugs - Turn on SSL bug compatibility\n");
378: BIO_printf(bio_err, " -www - Respond to a 'GET /' with a status page\n");
379: BIO_printf(bio_err, " -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
380: BIO_printf(bio_err, " -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
381: BIO_printf(bio_err, " with the assumption it contains a complete HTTP response.\n");
382: #ifndef OPENSSL_NO_ENGINE
383: BIO_printf(bio_err, " -engine id - Initialise and use the specified engine\n");
384: #endif
385: BIO_printf(bio_err, " -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
386: #ifndef OPENSSL_NO_TLSEXT
387: BIO_printf(bio_err, " -servername host - servername for HostName TLS extension\n");
388: BIO_printf(bio_err, " -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
389: BIO_printf(bio_err, " -cert2 arg - certificate file to use for servername\n");
390: BIO_printf(bio_err, " (default is %s)\n", TEST_CERT2);
391: BIO_printf(bio_err, " -key2 arg - Private Key file to use for servername, in cert file if\n");
392: BIO_printf(bio_err, " not specified (default is %s)\n", TEST_CERT2);
393: BIO_printf(bio_err, " -tlsextdebug - hex dump of all TLS extensions received\n");
394: BIO_printf(bio_err, " -no_ticket - disable use of RFC4507bis session tickets\n");
395: #ifndef OPENSSL_NO_NEXTPROTONEG
396: BIO_printf(bio_err, " -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
397: #endif
398: #ifndef OPENSSL_NO_SRTP
399: BIO_printf(bio_err, " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
400: #endif
401: #endif
402: BIO_printf(bio_err, " -keymatexport label - Export keying material using label\n");
403: BIO_printf(bio_err, " -keymatexportlen len - Export len bytes of keying material (default 20)\n");
404: }
405:
406: static int local_argc = 0;
407: static char **local_argv;
408:
409: #ifndef OPENSSL_NO_TLSEXT
410:
411: /* This is a context that we pass to callbacks */
412: typedef struct tlsextctx_st {
413: char *servername;
414: BIO *biodebug;
415: int extension_error;
416: } tlsextctx;
417:
418:
419: static int
420: ssl_servername_cb(SSL * s, int *ad, void *arg)
421: {
422: tlsextctx *p = (tlsextctx *) arg;
423: const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
424: if (servername && p->biodebug)
425: BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n", servername);
426:
427: if (!p->servername)
428: return SSL_TLSEXT_ERR_NOACK;
429:
430: if (servername) {
431: if (strcmp(servername, p->servername))
432: return p->extension_error;
433: if (ctx2) {
434: BIO_printf(p->biodebug, "Switching server context.\n");
435: SSL_set_SSL_CTX(s, ctx2);
436: }
437: }
438: return SSL_TLSEXT_ERR_OK;
439: }
440:
441: /* Structure passed to cert status callback */
442:
443: typedef struct tlsextstatusctx_st {
444: /* Default responder to use */
445: char *host, *path, *port;
446: int use_ssl;
447: int timeout;
448: BIO *err;
449: int verbose;
450: } tlsextstatusctx;
451:
452: static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
453:
454: /* Certificate Status callback. This is called when a client includes a
455: * certificate status request extension.
456: *
457: * This is a simplified version. It examines certificates each time and
458: * makes one OCSP responder query for each request.
459: *
460: * A full version would store details such as the OCSP certificate IDs and
461: * minimise the number of OCSP responses by caching them until they were
462: * considered "expired".
463: */
464:
465: static int
466: cert_status_cb(SSL * s, void *arg)
467: {
468: tlsextstatusctx *srctx = arg;
469: BIO *err = srctx->err;
470: char *host, *port, *path;
471: int use_ssl;
472: unsigned char *rspder = NULL;
473: int rspderlen;
474: STACK_OF(OPENSSL_STRING) * aia = NULL;
475: X509 *x = NULL;
476: X509_STORE_CTX inctx;
477: X509_OBJECT obj;
478: OCSP_REQUEST *req = NULL;
479: OCSP_RESPONSE *resp = NULL;
480: OCSP_CERTID *id = NULL;
481: STACK_OF(X509_EXTENSION) * exts;
482: int ret = SSL_TLSEXT_ERR_NOACK;
483: int i;
484:
485: if (srctx->verbose)
486: BIO_puts(err, "cert_status: callback called\n");
487: /* Build up OCSP query from server certificate */
488: x = SSL_get_certificate(s);
489: aia = X509_get1_ocsp(x);
490: if (aia) {
491: if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
492: &host, &port, &path, &use_ssl)) {
493: BIO_puts(err, "cert_status: can't parse AIA URL\n");
494: goto err;
495: }
496: if (srctx->verbose)
497: BIO_printf(err, "cert_status: AIA URL: %s\n",
498: sk_OPENSSL_STRING_value(aia, 0));
499: } else {
500: if (!srctx->host) {
501: BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
502: goto done;
503: }
504: host = srctx->host;
505: path = srctx->path;
506: port = srctx->port;
507: use_ssl = srctx->use_ssl;
508: }
509:
510: if (!X509_STORE_CTX_init(&inctx,
511: SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
512: NULL, NULL))
513: goto err;
514: if (X509_STORE_get_by_subject(&inctx, X509_LU_X509,
515: X509_get_issuer_name(x), &obj) <= 0) {
516: BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
517: X509_STORE_CTX_cleanup(&inctx);
518: goto done;
519: }
520: req = OCSP_REQUEST_new();
521: if (!req)
522: goto err;
523: id = OCSP_cert_to_id(NULL, x, obj.data.x509);
524: X509_free(obj.data.x509);
525: X509_STORE_CTX_cleanup(&inctx);
526: if (!id)
527: goto err;
528: if (!OCSP_request_add0_id(req, id))
529: goto err;
530: id = NULL;
531: /* Add any extensions to the request */
532: SSL_get_tlsext_status_exts(s, &exts);
533: for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
534: X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
535: if (!OCSP_REQUEST_add_ext(req, ext, -1))
536: goto err;
537: }
538: resp = process_responder(err, req, host, path, port, use_ssl, NULL,
539: srctx->timeout);
540: if (!resp) {
541: BIO_puts(err, "cert_status: error querying responder\n");
542: goto done;
543: }
544: rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
545: if (rspderlen <= 0)
546: goto err;
547: SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
548: if (srctx->verbose) {
549: BIO_puts(err, "cert_status: ocsp response sent:\n");
550: OCSP_RESPONSE_print(err, resp, 2);
551: }
552: ret = SSL_TLSEXT_ERR_OK;
553: done:
554: if (ret != SSL_TLSEXT_ERR_OK)
555: ERR_print_errors(err);
556: if (aia) {
557: free(host);
558: free(path);
559: free(port);
560: X509_email_free(aia);
561: }
562: if (id)
563: OCSP_CERTID_free(id);
564: if (req)
565: OCSP_REQUEST_free(req);
566: if (resp)
567: OCSP_RESPONSE_free(resp);
568: return ret;
569: err:
570: ret = SSL_TLSEXT_ERR_ALERT_FATAL;
571: goto done;
572: }
573:
574: #ifndef OPENSSL_NO_NEXTPROTONEG
575: /* This is the context that we pass to next_proto_cb */
576: typedef struct tlsextnextprotoctx_st {
577: unsigned char *data;
578: unsigned int len;
579: } tlsextnextprotoctx;
580:
581: static int
582: next_proto_cb(SSL * s, const unsigned char **data, unsigned int *len, void *arg)
583: {
584: tlsextnextprotoctx *next_proto = arg;
585:
586: *data = next_proto->data;
587: *len = next_proto->len;
588:
589: return SSL_TLSEXT_ERR_OK;
590: }
591: #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
592:
593:
594: #endif
595:
596: int s_server_main(int, char **);
597:
598: #ifndef OPENSSL_NO_SRTP
599: static char *srtp_profiles = NULL;
600: #endif
601:
602: int
603: s_server_main(int argc, char *argv[])
604: {
605: X509_VERIFY_PARAM *vpm = NULL;
606: int badarg = 0;
607: short port = PORT;
608: char *CApath = NULL, *CAfile = NULL;
609: unsigned char *context = NULL;
610: char *dhfile = NULL;
611: char *named_curve = NULL;
612: int badop = 0, bugs = 0;
613: int ret = 1;
614: int off = 0;
615: int no_tmp_rsa = 0, no_dhe = 0, no_ecdhe = 0, nocert = 0;
616: int state = 0;
617: const SSL_METHOD *meth = NULL;
618: int socket_type = SOCK_STREAM;
619: ENGINE *e = NULL;
620: int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
621: char *passarg = NULL, *pass = NULL;
622: char *dpassarg = NULL, *dpass = NULL;
623: int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
624: X509 *s_cert = NULL, *s_dcert = NULL;
625: EVP_PKEY *s_key = NULL, *s_dkey = NULL;
626: int no_cache = 0;
627: const char *errstr = NULL;
628: #ifndef OPENSSL_NO_TLSEXT
629: EVP_PKEY *s_key2 = NULL;
630: X509 *s_cert2 = NULL;
631: tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
632: #ifndef OPENSSL_NO_NEXTPROTONEG
633: const char *next_proto_neg_in = NULL;
634: tlsextnextprotoctx next_proto;
635: #endif
636: #endif
637: meth = SSLv23_server_method();
638:
639: local_argc = argc;
640: local_argv = argv;
641:
642: s_server_init();
643:
644: verify_depth = 0;
645: s_nbio = 0;
646: s_nbio_test = 0;
647:
648: argc--;
649: argv++;
650:
651: while (argc >= 1) {
652: if ((strcmp(*argv, "-port") == 0) ||
653: (strcmp(*argv, "-accept") == 0)) {
654: if (--argc < 1)
655: goto bad;
656: if (!extract_port(*(++argv), &port))
657: goto bad;
658: } else if (strcmp(*argv, "-verify") == 0) {
659: s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
660: if (--argc < 1)
661: goto bad;
662: verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr);
663: if (errstr)
664: goto bad;
665: BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
666: } else if (strcmp(*argv, "-Verify") == 0) {
667: s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
668: SSL_VERIFY_CLIENT_ONCE;
669: if (--argc < 1)
670: goto bad;
671: verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr);
672: if (errstr)
673: goto bad;
674: BIO_printf(bio_err, "verify depth is %d, must return a certificate\n", verify_depth);
675: } else if (strcmp(*argv, "-context") == 0) {
676: if (--argc < 1)
677: goto bad;
678: context = (unsigned char *) *(++argv);
679: } else if (strcmp(*argv, "-cert") == 0) {
680: if (--argc < 1)
681: goto bad;
682: s_cert_file = *(++argv);
683: } else if (strcmp(*argv, "-certform") == 0) {
684: if (--argc < 1)
685: goto bad;
686: s_cert_format = str2fmt(*(++argv));
687: } else if (strcmp(*argv, "-key") == 0) {
688: if (--argc < 1)
689: goto bad;
690: s_key_file = *(++argv);
691: } else if (strcmp(*argv, "-keyform") == 0) {
692: if (--argc < 1)
693: goto bad;
694: s_key_format = str2fmt(*(++argv));
695: } else if (strcmp(*argv, "-pass") == 0) {
696: if (--argc < 1)
697: goto bad;
698: passarg = *(++argv);
699: } else if (strcmp(*argv, "-dhparam") == 0) {
700: if (--argc < 1)
701: goto bad;
702: dhfile = *(++argv);
703: }
704: else if (strcmp(*argv, "-named_curve") == 0) {
705: if (--argc < 1)
706: goto bad;
707: named_curve = *(++argv);
708: }
709: else if (strcmp(*argv, "-dcertform") == 0) {
710: if (--argc < 1)
711: goto bad;
712: s_dcert_format = str2fmt(*(++argv));
713: } else if (strcmp(*argv, "-dcert") == 0) {
714: if (--argc < 1)
715: goto bad;
716: s_dcert_file = *(++argv);
717: } else if (strcmp(*argv, "-dkeyform") == 0) {
718: if (--argc < 1)
719: goto bad;
720: s_dkey_format = str2fmt(*(++argv));
721: } else if (strcmp(*argv, "-dpass") == 0) {
722: if (--argc < 1)
723: goto bad;
724: dpassarg = *(++argv);
725: } else if (strcmp(*argv, "-dkey") == 0) {
726: if (--argc < 1)
727: goto bad;
728: s_dkey_file = *(++argv);
729: } else if (strcmp(*argv, "-nocert") == 0) {
730: nocert = 1;
731: } else if (strcmp(*argv, "-CApath") == 0) {
732: if (--argc < 1)
733: goto bad;
734: CApath = *(++argv);
735: } else if (strcmp(*argv, "-no_cache") == 0)
736: no_cache = 1;
737: else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
738: if (badarg)
739: goto bad;
740: continue;
741: } else if (strcmp(*argv, "-verify_return_error") == 0)
742: verify_return_error = 1;
743: else if (strcmp(*argv, "-serverpref") == 0) {
744: off |= SSL_OP_CIPHER_SERVER_PREFERENCE;
745: } else if (strcmp(*argv, "-legacy_renegotiation") == 0)
746: ; /* no-op */
747: else if (strcmp(*argv, "-cipher") == 0) {
748: if (--argc < 1)
749: goto bad;
750: cipher = *(++argv);
751: } else if (strcmp(*argv, "-CAfile") == 0) {
752: if (--argc < 1)
753: goto bad;
754: CAfile = *(++argv);
755: }
756: else if (strcmp(*argv, "-nbio") == 0) {
757: s_nbio = 1;
758: }
759: else if (strcmp(*argv, "-nbio_test") == 0) {
760: s_nbio = 1;
761: s_nbio_test = 1;
762: } else if (strcmp(*argv, "-debug") == 0) {
763: s_debug = 1;
764: }
765: #ifndef OPENSSL_NO_TLSEXT
766: else if (strcmp(*argv, "-tlsextdebug") == 0)
767: s_tlsextdebug = 1;
768: else if (strcmp(*argv, "-status") == 0)
769: s_tlsextstatus = 1;
770: else if (strcmp(*argv, "-status_verbose") == 0) {
771: s_tlsextstatus = 1;
772: tlscstatp.verbose = 1;
773: } else if (!strcmp(*argv, "-status_timeout")) {
774: s_tlsextstatus = 1;
775: if (--argc < 1)
776: goto bad;
777: tlscstatp.timeout = strtonum(*(++argv), 0, INT_MAX, &errstr);
778: if (errstr)
779: goto bad;
780: } else if (!strcmp(*argv, "-status_url")) {
781: s_tlsextstatus = 1;
782: if (--argc < 1)
783: goto bad;
784: if (!OCSP_parse_url(*(++argv),
785: &tlscstatp.host,
786: &tlscstatp.port,
787: &tlscstatp.path,
788: &tlscstatp.use_ssl)) {
789: BIO_printf(bio_err, "Error parsing URL\n");
790: goto bad;
791: }
792: }
793: #endif
794: else if (strcmp(*argv, "-msg") == 0) {
795: s_msg = 1;
796: } else if (strcmp(*argv, "-hack") == 0) {
797: hack = 1;
798: } else if (strcmp(*argv, "-state") == 0) {
799: state = 1;
800: } else if (strcmp(*argv, "-crlf") == 0) {
801: s_crlf = 1;
802: } else if (strcmp(*argv, "-quiet") == 0) {
803: s_quiet = 1;
804: } else if (strcmp(*argv, "-bugs") == 0) {
805: bugs = 1;
806: } else if (strcmp(*argv, "-no_tmp_rsa") == 0) {
807: no_tmp_rsa = 1;
808: } else if (strcmp(*argv, "-no_dhe") == 0) {
809: no_dhe = 1;
810: } else if (strcmp(*argv, "-no_ecdhe") == 0) {
811: no_ecdhe = 1;
812: }
813: else if (strcmp(*argv, "-www") == 0) {
814: www = 1;
815: } else if (strcmp(*argv, "-WWW") == 0) {
816: www = 2;
817: } else if (strcmp(*argv, "-HTTP") == 0) {
818: www = 3;
819: } else if (strcmp(*argv, "-no_ssl2") == 0) {
820: off |= SSL_OP_NO_SSLv2;
821: } else if (strcmp(*argv, "-no_ssl3") == 0) {
822: off |= SSL_OP_NO_SSLv3;
823: } else if (strcmp(*argv, "-no_tls1") == 0) {
824: off |= SSL_OP_NO_TLSv1;
825: } else if (strcmp(*argv, "-no_tls1_1") == 0) {
826: off |= SSL_OP_NO_TLSv1_1;
827: } else if (strcmp(*argv, "-no_tls1_2") == 0) {
828: off |= SSL_OP_NO_TLSv1_2;
829: } else if (strcmp(*argv, "-no_comp") == 0) {
830: off |= SSL_OP_NO_COMPRESSION;
831: }
832: #ifndef OPENSSL_NO_TLSEXT
833: else if (strcmp(*argv, "-no_ticket") == 0) {
834: off |= SSL_OP_NO_TICKET;
835: }
836: #endif
837: else if (strcmp(*argv, "-ssl3") == 0) {
838: meth = SSLv3_server_method();
839: } else if (strcmp(*argv, "-tls1") == 0) {
840: meth = TLSv1_server_method();
841: } else if (strcmp(*argv, "-tls1_1") == 0) {
842: meth = TLSv1_1_server_method();
843: } else if (strcmp(*argv, "-tls1_2") == 0) {
844: meth = TLSv1_2_server_method();
845: }
846: #ifndef OPENSSL_NO_DTLS1
847: else if (strcmp(*argv, "-dtls1") == 0) {
848: meth = DTLSv1_server_method();
849: socket_type = SOCK_DGRAM;
850: } else if (strcmp(*argv, "-timeout") == 0)
851: enable_timeouts = 1;
852: else if (strcmp(*argv, "-mtu") == 0) {
853: if (--argc < 1)
854: goto bad;
855: socket_mtu = strtonum(*(++argv), 0, LONG_MAX, &errstr);
856: if (errstr)
857: goto bad;
858: } else if (strcmp(*argv, "-chain") == 0)
859: cert_chain = 1;
860: #endif
861: else if (strcmp(*argv, "-id_prefix") == 0) {
862: if (--argc < 1)
863: goto bad;
864: session_id_prefix = *(++argv);
865: }
866: #ifndef OPENSSL_NO_ENGINE
867: else if (strcmp(*argv, "-engine") == 0) {
868: if (--argc < 1)
869: goto bad;
870: engine_id = *(++argv);
871: }
872: #endif
873: #ifndef OPENSSL_NO_TLSEXT
874: else if (strcmp(*argv, "-servername") == 0) {
875: if (--argc < 1)
876: goto bad;
877: tlsextcbp.servername = *(++argv);
878: } else if (strcmp(*argv, "-servername_fatal") == 0) {
879: tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
880: } else if (strcmp(*argv, "-cert2") == 0) {
881: if (--argc < 1)
882: goto bad;
883: s_cert_file2 = *(++argv);
884: } else if (strcmp(*argv, "-key2") == 0) {
885: if (--argc < 1)
886: goto bad;
887: s_key_file2 = *(++argv);
888: }
889: #ifndef OPENSSL_NO_NEXTPROTONEG
890: else if (strcmp(*argv, "-nextprotoneg") == 0) {
891: if (--argc < 1)
892: goto bad;
893: next_proto_neg_in = *(++argv);
894: }
895: #endif
896: #endif
897: #ifndef OPENSSL_NO_SRTP
898: else if (strcmp(*argv, "-use_srtp") == 0) {
899: if (--argc < 1)
900: goto bad;
901: srtp_profiles = *(++argv);
902: }
903: #endif
904: else if (strcmp(*argv, "-keymatexport") == 0) {
905: if (--argc < 1)
906: goto bad;
907: keymatexportlabel = *(++argv);
908: } else if (strcmp(*argv, "-keymatexportlen") == 0) {
909: if (--argc < 1)
910: goto bad;
911: keymatexportlen = strtonum(*(++argv), 1, INT_MAX, &errstr);
912: if (errstr)
913: goto bad;
914: } else {
915: BIO_printf(bio_err, "unknown option %s\n", *argv);
916: badop = 1;
917: break;
918: }
919: argc--;
920: argv++;
921: }
922: if (badop) {
923: bad:
924: if (errstr)
925: BIO_printf(bio_err, "invalid argument %s: %s\n",
926: *argv, errstr);
927: else
928: sv_usage();
929: goto end;
930: }
931:
932: #ifndef OPENSSL_NO_ENGINE
933: e = setup_engine(bio_err, engine_id, 1);
934: #endif
935:
936: if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) {
937: BIO_printf(bio_err, "Error getting password\n");
938: goto end;
939: }
940: if (s_key_file == NULL)
941: s_key_file = s_cert_file;
942: #ifndef OPENSSL_NO_TLSEXT
943: if (s_key_file2 == NULL)
944: s_key_file2 = s_cert_file2;
945: #endif
946:
947: if (nocert == 0) {
948: s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
949: "server certificate private key file");
950: if (!s_key) {
951: ERR_print_errors(bio_err);
952: goto end;
953: }
954: s_cert = load_cert(bio_err, s_cert_file, s_cert_format,
955: NULL, e, "server certificate file");
956:
957: if (!s_cert) {
958: ERR_print_errors(bio_err);
959: goto end;
960: }
961: #ifndef OPENSSL_NO_TLSEXT
962: if (tlsextcbp.servername) {
963: s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
964: "second server certificate private key file");
965: if (!s_key2) {
966: ERR_print_errors(bio_err);
967: goto end;
968: }
969: s_cert2 = load_cert(bio_err, s_cert_file2, s_cert_format,
970: NULL, e, "second server certificate file");
971:
972: if (!s_cert2) {
973: ERR_print_errors(bio_err);
974: goto end;
975: }
976: }
977: #endif
978: }
979: #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
980: if (next_proto_neg_in) {
981: unsigned short len;
982: next_proto.data = next_protos_parse(&len, next_proto_neg_in);
983: if (next_proto.data == NULL)
984: goto end;
985: next_proto.len = len;
986: } else {
987: next_proto.data = NULL;
988: }
989: #endif
990:
991:
992: if (s_dcert_file) {
993:
994: if (s_dkey_file == NULL)
995: s_dkey_file = s_dcert_file;
996:
997: s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
998: 0, dpass, e,
999: "second certificate private key file");
1000: if (!s_dkey) {
1001: ERR_print_errors(bio_err);
1002: goto end;
1003: }
1004: s_dcert = load_cert(bio_err, s_dcert_file, s_dcert_format,
1005: NULL, e, "second server certificate file");
1006:
1007: if (!s_dcert) {
1008: ERR_print_errors(bio_err);
1009: goto end;
1010: }
1011: }
1012: if (bio_s_out == NULL) {
1013: if (s_quiet && !s_debug && !s_msg) {
1014: bio_s_out = BIO_new(BIO_s_null());
1015: } else {
1016: if (bio_s_out == NULL)
1017: bio_s_out = BIO_new_fp(stdout, BIO_NOCLOSE);
1018: }
1019: }
1020: if (nocert)
1021: {
1022: s_cert_file = NULL;
1023: s_key_file = NULL;
1024: s_dcert_file = NULL;
1025: s_dkey_file = NULL;
1026: #ifndef OPENSSL_NO_TLSEXT
1027: s_cert_file2 = NULL;
1028: s_key_file2 = NULL;
1029: #endif
1030: }
1031: ctx = SSL_CTX_new(meth);
1032: if (ctx == NULL) {
1033: ERR_print_errors(bio_err);
1034: goto end;
1035: }
1036: if (session_id_prefix) {
1037: if (strlen(session_id_prefix) >= 32)
1038: BIO_printf(bio_err,
1039: "warning: id_prefix is too long, only one new session will be possible\n");
1040: else if (strlen(session_id_prefix) >= 16)
1041: BIO_printf(bio_err,
1042: "warning: id_prefix is too long if you use SSLv2\n");
1043: if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1044: BIO_printf(bio_err, "error setting 'id_prefix'\n");
1045: ERR_print_errors(bio_err);
1046: goto end;
1047: }
1048: BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1049: }
1050: SSL_CTX_set_quiet_shutdown(ctx, 1);
1051: if (bugs)
1052: SSL_CTX_set_options(ctx, SSL_OP_ALL);
1053: if (hack)
1054: SSL_CTX_set_options(ctx, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1055: SSL_CTX_set_options(ctx, off);
1056: /*
1057: * DTLS: partial reads end up discarding unread UDP bytes :-( Setting
1058: * read ahead solves this problem.
1059: */
1060: if (socket_type == SOCK_DGRAM)
1061: SSL_CTX_set_read_ahead(ctx, 1);
1062:
1063: if (state)
1064: SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1065: if (no_cache)
1066: SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1067: else
1068: SSL_CTX_sess_set_cache_size(ctx, 128);
1069:
1070: #ifndef OPENSSL_NO_SRTP
1071: if (srtp_profiles != NULL)
1072: SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1073: #endif
1074:
1075:
1076: if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) ||
1077: (!SSL_CTX_set_default_verify_paths(ctx))) {
1078: /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1079: ERR_print_errors(bio_err);
1080: /* goto end; */
1081: }
1082: if (vpm)
1083: SSL_CTX_set1_param(ctx, vpm);
1084:
1085: #ifndef OPENSSL_NO_TLSEXT
1086: if (s_cert2) {
1087: ctx2 = SSL_CTX_new(meth);
1088: if (ctx2 == NULL) {
1089: ERR_print_errors(bio_err);
1090: goto end;
1091: }
1092: }
1093: if (ctx2) {
1094: BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1095:
1096: if (session_id_prefix) {
1097: if (strlen(session_id_prefix) >= 32)
1098: BIO_printf(bio_err,
1099: "warning: id_prefix is too long, only one new session will be possible\n");
1100: else if (strlen(session_id_prefix) >= 16)
1101: BIO_printf(bio_err,
1102: "warning: id_prefix is too long if you use SSLv2\n");
1103: if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1104: BIO_printf(bio_err, "error setting 'id_prefix'\n");
1105: ERR_print_errors(bio_err);
1106: goto end;
1107: }
1108: BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1109: }
1110: SSL_CTX_set_quiet_shutdown(ctx2, 1);
1111: if (bugs)
1112: SSL_CTX_set_options(ctx2, SSL_OP_ALL);
1113: if (hack)
1114: SSL_CTX_set_options(ctx2, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1115: SSL_CTX_set_options(ctx2, off);
1116: /*
1117: * DTLS: partial reads end up discarding unread UDP bytes :-(
1118: * Setting read ahead solves this problem.
1119: */
1120: if (socket_type == SOCK_DGRAM)
1121: SSL_CTX_set_read_ahead(ctx2, 1);
1122:
1123: if (state)
1124: SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1125:
1126: if (no_cache)
1127: SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1128: else
1129: SSL_CTX_sess_set_cache_size(ctx2, 128);
1130:
1131: if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) ||
1132: (!SSL_CTX_set_default_verify_paths(ctx2))) {
1133: ERR_print_errors(bio_err);
1134: }
1135: if (vpm)
1136: SSL_CTX_set1_param(ctx2, vpm);
1137: }
1138: #ifndef OPENSSL_NO_NEXTPROTONEG
1139: if (next_proto.data)
1140: SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1141: #endif
1142: #endif
1143:
1144: #ifndef OPENSSL_NO_DH
1145: if (!no_dhe) {
1146: DH *dh = NULL;
1147:
1148: if (dhfile)
1149: dh = load_dh_param(dhfile);
1150: else if (s_cert_file)
1151: dh = load_dh_param(s_cert_file);
1152:
1153: if (dh != NULL) {
1154: BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1155: } else {
1156: BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1157: dh = get_dh512();
1158: }
1159: (void) BIO_flush(bio_s_out);
1160:
1161: SSL_CTX_set_tmp_dh(ctx, dh);
1162: #ifndef OPENSSL_NO_TLSEXT
1163: if (ctx2) {
1164: if (!dhfile) {
1165: DH *dh2 = load_dh_param(s_cert_file2);
1166: if (dh2 != NULL) {
1167: BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1168: (void) BIO_flush(bio_s_out);
1169:
1170: DH_free(dh);
1171: dh = dh2;
1172: }
1173: }
1174: SSL_CTX_set_tmp_dh(ctx2, dh);
1175: }
1176: #endif
1177: DH_free(dh);
1178: }
1179: #endif
1180:
1181: if (!no_ecdhe) {
1182: EC_KEY *ecdh = NULL;
1183:
1184: if (named_curve) {
1185: int nid = OBJ_sn2nid(named_curve);
1186:
1187: if (nid == 0) {
1188: BIO_printf(bio_err, "unknown curve name (%s)\n",
1189: named_curve);
1190: goto end;
1191: }
1192: ecdh = EC_KEY_new_by_curve_name(nid);
1193: if (ecdh == NULL) {
1194: BIO_printf(bio_err, "unable to create curve (%s)\n",
1195: named_curve);
1196: goto end;
1197: }
1198: }
1199: if (ecdh != NULL) {
1200: BIO_printf(bio_s_out, "Setting temp ECDH parameters\n");
1201: } else {
1202: BIO_printf(bio_s_out, "Using default temp ECDH parameters\n");
1203: ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1204: if (ecdh == NULL) {
1205: BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1206: goto end;
1207: }
1208: }
1209: (void) BIO_flush(bio_s_out);
1210:
1211: SSL_CTX_set_tmp_ecdh(ctx, ecdh);
1212: #ifndef OPENSSL_NO_TLSEXT
1213: if (ctx2)
1214: SSL_CTX_set_tmp_ecdh(ctx2, ecdh);
1215: #endif
1216: EC_KEY_free(ecdh);
1217: }
1218:
1219: if (!set_cert_key_stuff(ctx, s_cert, s_key))
1220: goto end;
1221: #ifndef OPENSSL_NO_TLSEXT
1222: if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2))
1223: goto end;
1224: #endif
1225: if (s_dcert != NULL) {
1226: if (!set_cert_key_stuff(ctx, s_dcert, s_dkey))
1227: goto end;
1228: }
1229: if (!no_tmp_rsa) {
1230: SSL_CTX_set_tmp_rsa_callback(ctx, tmp_rsa_cb);
1231: #ifndef OPENSSL_NO_TLSEXT
1232: if (ctx2)
1233: SSL_CTX_set_tmp_rsa_callback(ctx2, tmp_rsa_cb);
1234: #endif
1235: }
1236:
1237:
1238: if (cipher != NULL) {
1239: if (!SSL_CTX_set_cipher_list(ctx, cipher)) {
1240: BIO_printf(bio_err, "error setting cipher list\n");
1241: ERR_print_errors(bio_err);
1242: goto end;
1243: }
1244: #ifndef OPENSSL_NO_TLSEXT
1245: if (ctx2 && !SSL_CTX_set_cipher_list(ctx2, cipher)) {
1246: BIO_printf(bio_err, "error setting cipher list\n");
1247: ERR_print_errors(bio_err);
1248: goto end;
1249: }
1250: #endif
1251: }
1252: SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
1253: SSL_CTX_set_session_id_context(ctx, (void *) &s_server_session_id_context,
1254: sizeof s_server_session_id_context);
1255:
1256: /* Set DTLS cookie generation and verification callbacks */
1257: SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1258: SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1259:
1260: #ifndef OPENSSL_NO_TLSEXT
1261: if (ctx2) {
1262: SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
1263: SSL_CTX_set_session_id_context(ctx2, (void *) &s_server_session_id_context,
1264: sizeof s_server_session_id_context);
1265:
1266: tlsextcbp.biodebug = bio_s_out;
1267: SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1268: SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1269: SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1270: SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1271: }
1272: #endif
1273:
1274: if (CAfile != NULL) {
1275: SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
1276: #ifndef OPENSSL_NO_TLSEXT
1277: if (ctx2)
1278: SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
1279: #endif
1280: }
1281: BIO_printf(bio_s_out, "ACCEPT\n");
1282: (void) BIO_flush(bio_s_out);
1283: if (www)
1284: do_server(port, socket_type, &accept_socket, www_body, context);
1285: else
1286: do_server(port, socket_type, &accept_socket, sv_body, context);
1287: print_stats(bio_s_out, ctx);
1288: ret = 0;
1289: end:
1290: if (ctx != NULL)
1291: SSL_CTX_free(ctx);
1292: if (s_cert)
1293: X509_free(s_cert);
1294: if (s_dcert)
1295: X509_free(s_dcert);
1296: if (s_key)
1297: EVP_PKEY_free(s_key);
1298: if (s_dkey)
1299: EVP_PKEY_free(s_dkey);
1300: free(pass);
1301: free(dpass);
1302: if (vpm)
1303: X509_VERIFY_PARAM_free(vpm);
1304: #ifndef OPENSSL_NO_TLSEXT
1305: free(tlscstatp.host);
1306: free(tlscstatp.port);
1307: free(tlscstatp.path);
1308: if (ctx2 != NULL)
1309: SSL_CTX_free(ctx2);
1310: if (s_cert2)
1311: X509_free(s_cert2);
1312: if (s_key2)
1313: EVP_PKEY_free(s_key2);
1314: #endif
1315: if (bio_s_out != NULL) {
1316: BIO_free(bio_s_out);
1317: bio_s_out = NULL;
1318: }
1319:
1320: return (ret);
1321: }
1322:
1323: static void
1324: print_stats(BIO * bio, SSL_CTX * ssl_ctx)
1325: {
1326: BIO_printf(bio, "%4ld items in the session cache\n",
1327: SSL_CTX_sess_number(ssl_ctx));
1328: BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
1329: SSL_CTX_sess_connect(ssl_ctx));
1330: BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
1331: SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1332: BIO_printf(bio, "%4ld client connects that finished\n",
1333: SSL_CTX_sess_connect_good(ssl_ctx));
1334: BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
1335: SSL_CTX_sess_accept(ssl_ctx));
1336: BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
1337: SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1338: BIO_printf(bio, "%4ld server accepts that finished\n",
1339: SSL_CTX_sess_accept_good(ssl_ctx));
1340: BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
1341: BIO_printf(bio, "%4ld session cache misses\n", SSL_CTX_sess_misses(ssl_ctx));
1342: BIO_printf(bio, "%4ld session cache timeouts\n", SSL_CTX_sess_timeouts(ssl_ctx));
1343: BIO_printf(bio, "%4ld callback cache hits\n", SSL_CTX_sess_cb_hits(ssl_ctx));
1344: BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
1345: SSL_CTX_sess_cache_full(ssl_ctx),
1346: SSL_CTX_sess_get_cache_size(ssl_ctx));
1347: }
1348:
1349: static int
1350: sv_body(char *hostname, int s, unsigned char *context)
1351: {
1352: char *buf = NULL;
1353: fd_set readfds;
1354: int ret = 1, width;
1355: int k, i;
1356: unsigned long l;
1357: SSL *con = NULL;
1358: BIO *sbio;
1359: struct timeval timeout;
1360: struct timeval *timeoutp;
1361:
1362: if ((buf = malloc(bufsize)) == NULL) {
1363: BIO_printf(bio_err, "out of memory\n");
1364: goto err;
1365: }
1366: if (s_nbio) {
1367: if (!s_quiet)
1368: BIO_printf(bio_err, "turning on non blocking io\n");
1.2 ! bcook 1369: if (!BIO_socket_nbio(s, 1))
1.1 jsing 1370: ERR_print_errors(bio_err);
1371: }
1372:
1373: if (con == NULL) {
1374: con = SSL_new(ctx);
1375: #ifndef OPENSSL_NO_TLSEXT
1376: if (s_tlsextdebug) {
1377: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1378: SSL_set_tlsext_debug_arg(con, bio_s_out);
1379: }
1380: if (s_tlsextstatus) {
1381: SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1382: tlscstatp.err = bio_err;
1383: SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1384: }
1385: #endif
1386: if (context)
1387: SSL_set_session_id_context(con, context,
1388: strlen((char *) context));
1389: }
1390: SSL_clear(con);
1391:
1392: if (SSL_version(con) == DTLS1_VERSION) {
1393:
1394: sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1395:
1396: if (enable_timeouts) {
1397: timeout.tv_sec = 0;
1398: timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1399: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1400:
1401: timeout.tv_sec = 0;
1402: timeout.tv_usec = DGRAM_SND_TIMEOUT;
1403: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1404: }
1405: if (socket_mtu > 28) {
1406: SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1407: SSL_set_mtu(con, socket_mtu - 28);
1408: } else
1409: /* want to do MTU discovery */
1410: BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1411:
1412: /* turn on cookie exchange */
1413: SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
1414: } else
1415: sbio = BIO_new_socket(s, BIO_NOCLOSE);
1416:
1417: if (s_nbio_test) {
1418: BIO *test;
1419:
1420: test = BIO_new(BIO_f_nbio_test());
1421: sbio = BIO_push(test, sbio);
1422: }
1423:
1424: SSL_set_bio(con, sbio, sbio);
1425: SSL_set_accept_state(con);
1426: /* SSL_set_fd(con,s); */
1427:
1428: if (s_debug) {
1429: SSL_set_debug(con, 1);
1430: BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
1431: BIO_set_callback_arg(SSL_get_rbio(con), (char *) bio_s_out);
1432: }
1433: if (s_msg) {
1434: SSL_set_msg_callback(con, msg_cb);
1435: SSL_set_msg_callback_arg(con, bio_s_out);
1436: }
1437: #ifndef OPENSSL_NO_TLSEXT
1438: if (s_tlsextdebug) {
1439: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1440: SSL_set_tlsext_debug_arg(con, bio_s_out);
1441: }
1442: #endif
1443:
1444: width = s + 1;
1445: for (;;) {
1446: int read_from_terminal;
1447: int read_from_sslcon;
1448:
1449: read_from_terminal = 0;
1450: read_from_sslcon = SSL_pending(con);
1451:
1452: if (!read_from_sslcon) {
1453: FD_ZERO(&readfds);
1454: FD_SET(fileno(stdin), &readfds);
1455: FD_SET(s, &readfds);
1456: if ((SSL_version(con) == DTLS1_VERSION) &&
1457: DTLSv1_get_timeout(con, &timeout))
1458: timeoutp = &timeout;
1459: else
1460: timeoutp = NULL;
1461:
1462: i = select(width, &readfds, NULL, NULL, timeoutp);
1463:
1464: if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) {
1465: BIO_printf(bio_err, "TIMEOUT occured\n");
1466: }
1467: if (i <= 0)
1468: continue;
1469: if (FD_ISSET(fileno(stdin), &readfds))
1470: read_from_terminal = 1;
1471: if (FD_ISSET(s, &readfds))
1472: read_from_sslcon = 1;
1473: }
1474: if (read_from_terminal) {
1475: if (s_crlf) {
1476: int j, lf_num;
1477:
1478: i = read(fileno(stdin), buf, bufsize / 2);
1479: lf_num = 0;
1480: /* both loops are skipped when i <= 0 */
1481: for (j = 0; j < i; j++)
1482: if (buf[j] == '\n')
1483: lf_num++;
1484: for (j = i - 1; j >= 0; j--) {
1485: buf[j + lf_num] = buf[j];
1486: if (buf[j] == '\n') {
1487: lf_num--;
1488: i++;
1489: buf[j + lf_num] = '\r';
1490: }
1491: }
1492: assert(lf_num == 0);
1493: } else
1494: i = read(fileno(stdin), buf, bufsize);
1495: if (!s_quiet) {
1496: if ((i <= 0) || (buf[0] == 'Q')) {
1497: BIO_printf(bio_s_out, "DONE\n");
1498: shutdown(s, SHUT_RD);
1499: close(s);
1500: close_accept_socket();
1501: ret = -11;
1502: goto err;
1503: }
1504: if ((i <= 0) || (buf[0] == 'q')) {
1505: BIO_printf(bio_s_out, "DONE\n");
1506: if (SSL_version(con) != DTLS1_VERSION) {
1507: shutdown(s, SHUT_RD);
1508: close(s);
1509: }
1510: /*
1511: * close_accept_socket(); ret= -11;
1512: */
1513: goto err;
1514: }
1515: if ((buf[0] == 'r') &&
1516: ((buf[1] == '\n') || (buf[1] == '\r'))) {
1517: SSL_renegotiate(con);
1518: i = SSL_do_handshake(con);
1519: printf("SSL_do_handshake -> %d\n", i);
1520: i = 0; /* 13; */
1521: continue;
1522: /*
1523: * strcpy(buf,"server side
1524: * RE-NEGOTIATE\n");
1525: */
1526: }
1527: if ((buf[0] == 'R') &&
1528: ((buf[1] == '\n') || (buf[1] == '\r'))) {
1529: SSL_set_verify(con,
1530: SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, NULL);
1531: SSL_renegotiate(con);
1532: i = SSL_do_handshake(con);
1533: printf("SSL_do_handshake -> %d\n", i);
1534: i = 0; /* 13; */
1535: continue;
1536: /*
1537: * strcpy(buf,"server side
1538: * RE-NEGOTIATE asking for client
1539: * cert\n");
1540: */
1541: }
1542: if (buf[0] == 'P') {
1543: static const char *str = "Lets print some clear text\n";
1544: BIO_write(SSL_get_wbio(con), str, strlen(str));
1545: }
1546: if (buf[0] == 'S') {
1547: print_stats(bio_s_out, SSL_get_SSL_CTX(con));
1548: }
1549: }
1550: l = k = 0;
1551: for (;;) {
1552: /* should do a select for the write */
1553: #ifdef RENEG
1554: {
1555: static count = 0;
1556: if (++count == 100) {
1557: count = 0;
1558: SSL_renegotiate(con);
1559: }
1560: }
1561: #endif
1562: k = SSL_write(con, &(buf[l]), (unsigned int) i);
1563: switch (SSL_get_error(con, k)) {
1564: case SSL_ERROR_NONE:
1565: break;
1566: case SSL_ERROR_WANT_WRITE:
1567: case SSL_ERROR_WANT_READ:
1568: case SSL_ERROR_WANT_X509_LOOKUP:
1569: BIO_printf(bio_s_out, "Write BLOCK\n");
1570: break;
1571: case SSL_ERROR_SYSCALL:
1572: case SSL_ERROR_SSL:
1573: BIO_printf(bio_s_out, "ERROR\n");
1574: ERR_print_errors(bio_err);
1575: ret = 1;
1576: goto err;
1577: /* break; */
1578: case SSL_ERROR_ZERO_RETURN:
1579: BIO_printf(bio_s_out, "DONE\n");
1580: ret = 1;
1581: goto err;
1582: }
1583: l += k;
1584: i -= k;
1585: if (i <= 0)
1586: break;
1587: }
1588: }
1589: if (read_from_sslcon) {
1590: if (!SSL_is_init_finished(con)) {
1591: i = init_ssl_connection(con);
1592:
1593: if (i < 0) {
1594: ret = 0;
1595: goto err;
1596: } else if (i == 0) {
1597: ret = 1;
1598: goto err;
1599: }
1600: } else {
1601: again:
1602: i = SSL_read(con, (char *) buf, bufsize);
1603: switch (SSL_get_error(con, i)) {
1604: case SSL_ERROR_NONE: {
1605: int len, n;
1606: for (len = 0; len < i;) {
1607: do {
1608: n = write(fileno(stdout), buf + len, i - len);
1609: } while (n == -1 && errno == EINTR);
1610:
1611: if (n < 0) {
1612: BIO_printf(bio_s_out, "ERROR\n");
1613: goto err;
1614: }
1615: len += n;
1616: }
1617: }
1618: if (SSL_pending(con))
1619: goto again;
1620: break;
1621: case SSL_ERROR_WANT_WRITE:
1622: case SSL_ERROR_WANT_READ:
1623: BIO_printf(bio_s_out, "Read BLOCK\n");
1624: break;
1625: case SSL_ERROR_SYSCALL:
1626: case SSL_ERROR_SSL:
1627: BIO_printf(bio_s_out, "ERROR\n");
1628: ERR_print_errors(bio_err);
1629: ret = 1;
1630: goto err;
1631: case SSL_ERROR_ZERO_RETURN:
1632: BIO_printf(bio_s_out, "DONE\n");
1633: ret = 1;
1634: goto err;
1635: }
1636: }
1637: }
1638: }
1639: err:
1640: if (con != NULL) {
1641: BIO_printf(bio_s_out, "shutting down SSL\n");
1642: SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
1643: SSL_free(con);
1644: }
1645: BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
1646: if (buf != NULL) {
1647: OPENSSL_cleanse(buf, bufsize);
1648: free(buf);
1649: }
1650: if (ret >= 0)
1651: BIO_printf(bio_s_out, "ACCEPT\n");
1652: return (ret);
1653: }
1654:
1655: static void
1656: close_accept_socket(void)
1657: {
1658: BIO_printf(bio_err, "shutdown accept socket\n");
1659: if (accept_socket >= 0) {
1660: shutdown(accept_socket, SHUT_RDWR);
1661: close(accept_socket);
1662: }
1663: }
1664:
1665: static int
1666: init_ssl_connection(SSL * con)
1667: {
1668: int i;
1669: const char *str;
1670: X509 *peer;
1671: long verify_error;
1672: char buf[BUFSIZ];
1673: #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1674: const unsigned char *next_proto_neg;
1675: unsigned next_proto_neg_len;
1676: #endif
1677: unsigned char *exportedkeymat;
1678:
1679:
1680: i = SSL_accept(con);
1681: if (i <= 0) {
1682: if (BIO_sock_should_retry(i)) {
1683: BIO_printf(bio_s_out, "DELAY\n");
1684: return (1);
1685: }
1686: BIO_printf(bio_err, "ERROR\n");
1687: verify_error = SSL_get_verify_result(con);
1688: if (verify_error != X509_V_OK) {
1689: BIO_printf(bio_err, "verify error:%s\n",
1690: X509_verify_cert_error_string(verify_error));
1691: } else
1692: ERR_print_errors(bio_err);
1693: return (0);
1694: }
1695: PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
1696:
1697: peer = SSL_get_peer_certificate(con);
1698: if (peer != NULL) {
1699: BIO_printf(bio_s_out, "Client certificate\n");
1700: PEM_write_bio_X509(bio_s_out, peer);
1701: X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
1702: BIO_printf(bio_s_out, "subject=%s\n", buf);
1703: X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
1704: BIO_printf(bio_s_out, "issuer=%s\n", buf);
1705: X509_free(peer);
1706: }
1707: if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
1708: BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
1709: str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1710: BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
1711:
1712: #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1713: SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
1714: if (next_proto_neg) {
1715: BIO_printf(bio_s_out, "NEXTPROTO is ");
1716: BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
1717: BIO_printf(bio_s_out, "\n");
1718: }
1719: #endif
1720: #ifndef OPENSSL_NO_SRTP
1721: {
1722: SRTP_PROTECTION_PROFILE *srtp_profile
1723: = SSL_get_selected_srtp_profile(con);
1724:
1725: if (srtp_profile)
1726: BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
1727: srtp_profile->name);
1728: }
1729: #endif
1730: if (SSL_cache_hit(con))
1731: BIO_printf(bio_s_out, "Reused session-id\n");
1732: if (SSL_ctrl(con, SSL_CTRL_GET_FLAGS, 0, NULL) &
1733: TLS1_FLAGS_TLS_PADDING_BUG)
1734: BIO_printf(bio_s_out,
1735: "Peer has incorrect TLSv1 block padding\n");
1736: BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
1737: SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
1738: if (keymatexportlabel != NULL) {
1739: BIO_printf(bio_s_out, "Keying material exporter:\n");
1740: BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
1741: BIO_printf(bio_s_out, " Length: %i bytes\n",
1742: keymatexportlen);
1743: exportedkeymat = malloc(keymatexportlen);
1744: if (exportedkeymat != NULL) {
1745: if (!SSL_export_keying_material(con, exportedkeymat,
1746: keymatexportlen,
1747: keymatexportlabel,
1748: strlen(keymatexportlabel),
1749: NULL, 0, 0)) {
1750: BIO_printf(bio_s_out, " Error\n");
1751: } else {
1752: BIO_printf(bio_s_out, " Keying material: ");
1753: for (i = 0; i < keymatexportlen; i++)
1754: BIO_printf(bio_s_out, "%02X",
1755: exportedkeymat[i]);
1756: BIO_printf(bio_s_out, "\n");
1757: }
1758: free(exportedkeymat);
1759: }
1760: }
1761: return (1);
1762: }
1763:
1764: #ifndef OPENSSL_NO_DH
1765: static DH *
1766: load_dh_param(const char *dhfile)
1767: {
1768: DH *ret = NULL;
1769: BIO *bio;
1770:
1771: if ((bio = BIO_new_file(dhfile, "r")) == NULL)
1772: goto err;
1773: ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
1774: err:
1775: BIO_free(bio);
1776: return (ret);
1777: }
1778: #endif
1779:
1780: static int
1781: www_body(char *hostname, int s, unsigned char *context)
1782: {
1783: char *buf = NULL;
1784: int ret = 1;
1785: int i, j, k, dot;
1786: SSL *con;
1787: const SSL_CIPHER *c;
1788: BIO *io, *ssl_bio, *sbio;
1789:
1790: buf = malloc(bufsize);
1791: if (buf == NULL)
1792: return (0);
1793: io = BIO_new(BIO_f_buffer());
1794: ssl_bio = BIO_new(BIO_f_ssl());
1795: if ((io == NULL) || (ssl_bio == NULL))
1796: goto err;
1797:
1798: if (s_nbio) {
1799: if (!s_quiet)
1800: BIO_printf(bio_err, "turning on non blocking io\n");
1.2 ! bcook 1801: if (!BIO_socket_nbio(s, 1))
1.1 jsing 1802: ERR_print_errors(bio_err);
1803: }
1804:
1805: /* lets make the output buffer a reasonable size */
1806: if (!BIO_set_write_buffer_size(io, bufsize))
1807: goto err;
1808:
1809: if ((con = SSL_new(ctx)) == NULL)
1810: goto err;
1811: #ifndef OPENSSL_NO_TLSEXT
1812: if (s_tlsextdebug) {
1813: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1814: SSL_set_tlsext_debug_arg(con, bio_s_out);
1815: }
1816: #endif
1817: if (context)
1818: SSL_set_session_id_context(con, context,
1819: strlen((char *) context));
1820:
1821: sbio = BIO_new_socket(s, BIO_NOCLOSE);
1822: if (s_nbio_test) {
1823: BIO *test;
1824:
1825: test = BIO_new(BIO_f_nbio_test());
1826: sbio = BIO_push(test, sbio);
1827: }
1828: SSL_set_bio(con, sbio, sbio);
1829: SSL_set_accept_state(con);
1830:
1831: /* SSL_set_fd(con,s); */
1832: BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
1833: BIO_push(io, ssl_bio);
1834:
1835: if (s_debug) {
1836: SSL_set_debug(con, 1);
1837: BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
1838: BIO_set_callback_arg(SSL_get_rbio(con), (char *) bio_s_out);
1839: }
1840: if (s_msg) {
1841: SSL_set_msg_callback(con, msg_cb);
1842: SSL_set_msg_callback_arg(con, bio_s_out);
1843: }
1844: for (;;) {
1845: if (hack) {
1846: i = SSL_accept(con);
1847: switch (SSL_get_error(con, i)) {
1848: case SSL_ERROR_NONE:
1849: break;
1850: case SSL_ERROR_WANT_WRITE:
1851: case SSL_ERROR_WANT_READ:
1852: case SSL_ERROR_WANT_X509_LOOKUP:
1853: continue;
1854: case SSL_ERROR_SYSCALL:
1855: case SSL_ERROR_SSL:
1856: case SSL_ERROR_ZERO_RETURN:
1857: ret = 1;
1858: goto err;
1859: /* break; */
1860: }
1861:
1862: SSL_renegotiate(con);
1863: SSL_write(con, NULL, 0);
1864: }
1865: i = BIO_gets(io, buf, bufsize - 1);
1866: if (i < 0) { /* error */
1867: if (!BIO_should_retry(io)) {
1868: if (!s_quiet)
1869: ERR_print_errors(bio_err);
1870: goto err;
1871: } else {
1872: BIO_printf(bio_s_out, "read R BLOCK\n");
1873: sleep(1);
1874: continue;
1875: }
1876: } else if (i == 0) { /* end of input */
1877: ret = 1;
1878: goto end;
1879: }
1880: /* else we have data */
1881: if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
1882: ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
1883: char *p;
1884: X509 *peer;
1885: STACK_OF(SSL_CIPHER) * sk;
1886: static const char *space = " ";
1887:
1888: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1889: BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1890: BIO_puts(io, "<pre>\n");
1891: /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1892: BIO_puts(io, "\n");
1893: for (i = 0; i < local_argc; i++) {
1894: BIO_puts(io, local_argv[i]);
1895: BIO_write(io, " ", 1);
1896: }
1897: BIO_puts(io, "\n");
1898:
1899: BIO_printf(io,
1900: "Secure Renegotiation IS%s supported\n",
1901: SSL_get_secure_renegotiation_support(con) ?
1902: "" : " NOT");
1903:
1904: /*
1905: * The following is evil and should not really be
1906: * done
1907: */
1908: BIO_printf(io, "Ciphers supported in s_server binary\n");
1909: sk = SSL_get_ciphers(con);
1910: j = sk_SSL_CIPHER_num(sk);
1911: for (i = 0; i < j; i++) {
1912: c = sk_SSL_CIPHER_value(sk, i);
1913: BIO_printf(io, "%-11s:%-25s",
1914: SSL_CIPHER_get_version(c),
1915: SSL_CIPHER_get_name(c));
1916: if ((((i + 1) % 2) == 0) && (i + 1 != j))
1917: BIO_puts(io, "\n");
1918: }
1919: BIO_puts(io, "\n");
1920: p = SSL_get_shared_ciphers(con, buf, bufsize);
1921: if (p != NULL) {
1922: BIO_printf(io, "---\nCiphers common between both SSL end points:\n");
1923: j = i = 0;
1924: while (*p) {
1925: if (*p == ':') {
1926: BIO_write(io, space, 26 - j);
1927: i++;
1928: j = 0;
1929: BIO_write(io, ((i % 3) ? " " : "\n"), 1);
1930: } else {
1931: BIO_write(io, p, 1);
1932: j++;
1933: }
1934: p++;
1935: }
1936: BIO_puts(io, "\n");
1937: }
1938: BIO_printf(io, (SSL_cache_hit(con)
1939: ? "---\nReused, "
1940: : "---\nNew, "));
1941: c = SSL_get_current_cipher(con);
1942: BIO_printf(io, "%s, Cipher is %s\n",
1943: SSL_CIPHER_get_version(c),
1944: SSL_CIPHER_get_name(c));
1945: SSL_SESSION_print(io, SSL_get_session(con));
1946: BIO_printf(io, "---\n");
1947: print_stats(io, SSL_get_SSL_CTX(con));
1948: BIO_printf(io, "---\n");
1949: peer = SSL_get_peer_certificate(con);
1950: if (peer != NULL) {
1951: BIO_printf(io, "Client certificate\n");
1952: X509_print(io, peer);
1953: PEM_write_bio_X509(io, peer);
1954: } else
1955: BIO_puts(io, "no client certificate available\n");
1956: BIO_puts(io, "</BODY></HTML>\r\n\r\n");
1957: break;
1958: } else if ((www == 2 || www == 3)
1959: && (strncmp("GET /", buf, 5) == 0)) {
1960: BIO *file;
1961: char *p, *e;
1962: static const char *text = "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1963:
1964: /* skip the '/' */
1965: p = &(buf[5]);
1966:
1967: dot = 1;
1968: for (e = p; *e != '\0'; e++) {
1969: if (e[0] == ' ')
1970: break;
1971:
1972: switch (dot) {
1973: case 1:
1974: dot = (e[0] == '.') ? 2 : 0;
1975: break;
1976: case 2:
1977: dot = (e[0] == '.') ? 3 : 0;
1978: break;
1979: case 3:
1980: dot = (e[0] == '/') ? -1 : 0;
1981: break;
1982: }
1983: if (dot == 0)
1984: dot = (e[0] == '/') ? 1 : 0;
1985: }
1986: dot = (dot == 3) || (dot == -1); /* filename contains
1987: * ".." component */
1988:
1989: if (*e == '\0') {
1990: BIO_puts(io, text);
1991: BIO_printf(io, "'%s' is an invalid file name\r\n", p);
1992: break;
1993: }
1994: *e = '\0';
1995:
1996: if (dot) {
1997: BIO_puts(io, text);
1998: BIO_printf(io, "'%s' contains '..' reference\r\n", p);
1999: break;
2000: }
2001: if (*p == '/') {
2002: BIO_puts(io, text);
2003: BIO_printf(io, "'%s' is an invalid path\r\n", p);
2004: break;
2005: }
2006: /* if a directory, do the index thang */
2007: if (app_isdir(p) > 0) {
2008: BIO_puts(io, text);
2009: BIO_printf(io, "'%s' is a directory\r\n", p);
2010: break;
2011: }
2012: if ((file = BIO_new_file(p, "r")) == NULL) {
2013: BIO_puts(io, text);
2014: BIO_printf(io, "Error opening '%s'\r\n", p);
2015: ERR_print_errors(io);
2016: break;
2017: }
2018: if (!s_quiet)
2019: BIO_printf(bio_err, "FILE:%s\n", p);
2020:
2021: if (www == 2) {
2022: i = strlen(p);
2023: if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
2024: ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
2025: ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
2026: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2027: else
2028: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2029: }
2030: /* send the file */
2031: for (;;) {
2032: i = BIO_read(file, buf, bufsize);
2033: if (i <= 0)
2034: break;
2035:
2036: #ifdef RENEG
2037: total_bytes += i;
2038: fprintf(stderr, "%d\n", i);
2039: if (total_bytes > 3 * 1024) {
2040: total_bytes = 0;
2041: fprintf(stderr, "RENEGOTIATE\n");
2042: SSL_renegotiate(con);
2043: }
2044: #endif
2045:
2046: for (j = 0; j < i;) {
2047: #ifdef RENEG
2048: {
2049: static count = 0;
2050: if (++count == 13) {
2051: SSL_renegotiate(con);
2052: }
2053: }
2054: #endif
2055: k = BIO_write(io, &(buf[j]), i - j);
2056: if (k <= 0) {
2057: if (!BIO_should_retry(io))
2058: goto write_error;
2059: else {
2060: BIO_printf(bio_s_out, "rwrite W BLOCK\n");
2061: }
2062: } else {
2063: j += k;
2064: }
2065: }
2066: }
2067: write_error:
2068: BIO_free(file);
2069: break;
2070: }
2071: }
2072:
2073: for (;;) {
2074: i = (int) BIO_flush(io);
2075: if (i <= 0) {
2076: if (!BIO_should_retry(io))
2077: break;
2078: } else
2079: break;
2080: }
2081: end:
2082: /* make sure we re-use sessions */
2083: SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2084:
2085: err:
2086:
2087: if (ret >= 0)
2088: BIO_printf(bio_s_out, "ACCEPT\n");
2089:
2090: if (buf != NULL)
2091: free(buf);
2092: if (io != NULL)
2093: BIO_free_all(io);
2094: /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2095: return (ret);
2096: }
2097:
2098: static RSA *
2099: tmp_rsa_cb(SSL * s, int is_export, int keylength)
2100: {
2101: BIGNUM *bn = NULL;
2102: static RSA *rsa_tmp = NULL;
2103:
2104: if (!rsa_tmp && ((bn = BN_new()) == NULL))
2105: BIO_printf(bio_err, "Allocation error in generating RSA key\n");
2106: if (!rsa_tmp && bn) {
2107: if (!s_quiet) {
2108: BIO_printf(bio_err, "Generating temp (%d bit) RSA key...", keylength);
2109: (void) BIO_flush(bio_err);
2110: }
2111: if (!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
2112: !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL)) {
2113: if (rsa_tmp)
2114: RSA_free(rsa_tmp);
2115: rsa_tmp = NULL;
2116: }
2117: if (!s_quiet) {
2118: BIO_printf(bio_err, "\n");
2119: (void) BIO_flush(bio_err);
2120: }
2121: BN_free(bn);
2122: }
2123: return (rsa_tmp);
2124: }
2125:
2126: #define MAX_SESSION_ID_ATTEMPTS 10
2127: static int
2128: generate_session_id(const SSL * ssl, unsigned char *id,
2129: unsigned int *id_len)
2130: {
2131: unsigned int count = 0;
2132: do {
2133: RAND_pseudo_bytes(id, *id_len);
2134: /*
2135: * Prefix the session_id with the required prefix. NB: If our
2136: * prefix is too long, clip it - but there will be worse
2137: * effects anyway, eg. the server could only possibly create
2138: * 1 session ID (ie. the prefix!) so all future session
2139: * negotiations will fail due to conflicts.
2140: */
2141: memcpy(id, session_id_prefix,
2142: (strlen(session_id_prefix) < *id_len) ?
2143: strlen(session_id_prefix) : *id_len);
2144: }
2145: while (SSL_has_matching_session_id(ssl, id, *id_len) &&
2146: (++count < MAX_SESSION_ID_ATTEMPTS));
2147: if (count >= MAX_SESSION_ID_ATTEMPTS)
2148: return 0;
2149: return 1;
2150: }