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1.3 ! jsing 1: /* $OpenBSD: s_server.c,v 1.2 2014/10/13 02:39:09 bcook 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/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 RSA *tmp_rsa_cb(SSL * s, int is_export, int keylength);
182: static int sv_body(char *hostname, int s, unsigned char *context);
183: static int www_body(char *hostname, int s, unsigned char *context);
184: static void close_accept_socket(void);
185: static void sv_usage(void);
186: static int init_ssl_connection(SSL * s);
187: static void print_stats(BIO * bp, SSL_CTX * ctx);
188: static int
189: generate_session_id(const SSL * ssl, unsigned char *id,
190: unsigned int *id_len);
191: #ifndef OPENSSL_NO_DH
192: static DH *load_dh_param(const char *dhfile);
193: static DH *get_dh512(void);
194: #endif
195:
196: static void s_server_init(void);
197:
198: #ifndef OPENSSL_NO_DH
199: static unsigned char dh512_p[] = {
200: 0xDA, 0x58, 0x3C, 0x16, 0xD9, 0x85, 0x22, 0x89, 0xD0, 0xE4, 0xAF, 0x75,
201: 0x6F, 0x4C, 0xCA, 0x92, 0xDD, 0x4B, 0xE5, 0x33, 0xB8, 0x04, 0xFB, 0x0F,
202: 0xED, 0x94, 0xEF, 0x9C, 0x8A, 0x44, 0x03, 0xED, 0x57, 0x46, 0x50, 0xD3,
203: 0x69, 0x99, 0xDB, 0x29, 0xD7, 0x76, 0x27, 0x6B, 0xA2, 0xD3, 0xD4, 0x12,
204: 0xE2, 0x18, 0xF4, 0xDD, 0x1E, 0x08, 0x4C, 0xF6, 0xD8, 0x00, 0x3E, 0x7C,
205: 0x47, 0x74, 0xE8, 0x33,
206: };
207: static unsigned char dh512_g[] = {
208: 0x02,
209: };
210:
211: static DH *
212: get_dh512(void)
213: {
214: DH *dh = NULL;
215:
216: if ((dh = DH_new()) == NULL)
217: return (NULL);
218: dh->p = BN_bin2bn(dh512_p, sizeof(dh512_p), NULL);
219: dh->g = BN_bin2bn(dh512_g, sizeof(dh512_g), NULL);
220: if ((dh->p == NULL) || (dh->g == NULL))
221: return (NULL);
222: return (dh);
223: }
224: #endif
225:
226:
227: /* static int load_CA(SSL_CTX *ctx, char *file);*/
228:
229: #define BUFSIZZ 16*1024
230: static int bufsize = BUFSIZZ;
231: static int accept_socket = -1;
232:
233: #define TEST_CERT "server.pem"
234: #ifndef OPENSSL_NO_TLSEXT
235: #define TEST_CERT2 "server2.pem"
236: #endif
237:
238: extern int verify_depth, verify_return_error;
239:
240: static char *cipher = NULL;
241: static int s_server_verify = SSL_VERIFY_NONE;
242: static int s_server_session_id_context = 1; /* anything will do */
243: static const char *s_cert_file = TEST_CERT, *s_key_file = NULL;
244: #ifndef OPENSSL_NO_TLSEXT
245: static const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
246: #endif
247: static char *s_dcert_file = NULL, *s_dkey_file = NULL;
248: static int s_nbio = 0;
249: static int s_nbio_test = 0;
250: int s_crlf = 0;
251: static SSL_CTX *ctx = NULL;
252: #ifndef OPENSSL_NO_TLSEXT
253: static SSL_CTX *ctx2 = NULL;
254: #endif
255: static int www = 0;
256:
257: static BIO *bio_s_out = NULL;
258: static int s_debug = 0;
259: #ifndef OPENSSL_NO_TLSEXT
260: static int s_tlsextdebug = 0;
261: static int s_tlsextstatus = 0;
262: static int cert_status_cb(SSL * s, void *arg);
263: #endif
264: static int s_msg = 0;
265: static int s_quiet = 0;
266:
267: static char *keymatexportlabel = NULL;
268: static int keymatexportlen = 20;
269:
270: static int hack = 0;
271: #ifndef OPENSSL_NO_ENGINE
272: static char *engine_id = NULL;
273: #endif
274: static const char *session_id_prefix = NULL;
275:
276: static int enable_timeouts = 0;
277: static long socket_mtu;
278: #ifndef OPENSSL_NO_DTLS1
279: static int cert_chain = 0;
280: #endif
281:
282:
283:
284:
285: static void
286: s_server_init(void)
287: {
288: accept_socket = -1;
289: cipher = NULL;
290: s_server_verify = SSL_VERIFY_NONE;
291: s_dcert_file = NULL;
292: s_dkey_file = NULL;
293: s_cert_file = TEST_CERT;
294: s_key_file = NULL;
295: #ifndef OPENSSL_NO_TLSEXT
296: s_cert_file2 = TEST_CERT2;
297: s_key_file2 = NULL;
298: ctx2 = NULL;
299: #endif
300: s_nbio = 0;
301: s_nbio_test = 0;
302: ctx = NULL;
303: www = 0;
304:
305: bio_s_out = NULL;
306: s_debug = 0;
307: s_msg = 0;
308: s_quiet = 0;
309: hack = 0;
310: #ifndef OPENSSL_NO_ENGINE
311: engine_id = NULL;
312: #endif
313: }
314:
315: static void
316: sv_usage(void)
317: {
318: BIO_printf(bio_err, "usage: s_server [args ...]\n");
319: BIO_printf(bio_err, "\n");
320: BIO_printf(bio_err, " -accept arg - port to accept on (default is %d)\n", PORT);
321: BIO_printf(bio_err, " -context arg - set session ID context\n");
322: BIO_printf(bio_err, " -verify arg - turn on peer certificate verification\n");
323: BIO_printf(bio_err, " -Verify arg - turn on peer certificate verification, must have a cert.\n");
324: BIO_printf(bio_err, " -cert arg - certificate file to use\n");
325: BIO_printf(bio_err, " (default is %s)\n", TEST_CERT);
326: BIO_printf(bio_err, " -crl_check - check the peer certificate has not been revoked by its CA.\n" \
327: " The CRL(s) are appended to the certificate file\n");
328: BIO_printf(bio_err, " -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
329: " or any other CRL in the CA chain. CRL(s) are appended to the\n" \
330: " the certificate file.\n");
331: BIO_printf(bio_err, " -certform arg - certificate format (PEM or DER) PEM default\n");
332: BIO_printf(bio_err, " -key arg - Private Key file to use, in cert file if\n");
333: BIO_printf(bio_err, " not specified (default is %s)\n", TEST_CERT);
334: BIO_printf(bio_err, " -keyform arg - key format (PEM, DER or ENGINE) PEM default\n");
335: BIO_printf(bio_err, " -pass arg - private key file pass phrase source\n");
336: BIO_printf(bio_err, " -dcert arg - second certificate file to use (usually for DSA)\n");
337: BIO_printf(bio_err, " -dcertform x - second certificate format (PEM or DER) PEM default\n");
338: BIO_printf(bio_err, " -dkey arg - second private key file to use (usually for DSA)\n");
339: BIO_printf(bio_err, " -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
340: BIO_printf(bio_err, " -dpass arg - second private key file pass phrase source\n");
341: BIO_printf(bio_err, " -dhparam arg - DH parameter file to use, in cert file if not specified\n");
342: BIO_printf(bio_err, " or a default set of parameters is used\n");
343: BIO_printf(bio_err, " -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" \
344: " Use \"openssl ecparam -list_curves\" for all names\n" \
345: " (default is nistp256).\n");
346: BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n");
347: BIO_printf(bio_err, " -nbio_test - test with the non-blocking test bio\n");
348: BIO_printf(bio_err, " -crlf - convert LF from terminal into CRLF\n");
349: BIO_printf(bio_err, " -debug - Print more output\n");
350: BIO_printf(bio_err, " -msg - Show protocol messages\n");
351: BIO_printf(bio_err, " -state - Print the SSL states\n");
352: BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n");
353: BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n");
354: BIO_printf(bio_err, " -nocert - Don't use any certificates (Anon-DH)\n");
355: BIO_printf(bio_err, " -cipher arg - play with 'openssl ciphers' to see what goes here\n");
356: BIO_printf(bio_err, " -serverpref - Use server's cipher preferences\n");
357: BIO_printf(bio_err, " -quiet - Inhibit printing of session and certificate information\n");
358: BIO_printf(bio_err, " -no_tmp_rsa - Do not generate a tmp RSA key\n");
359: BIO_printf(bio_err, " -ssl3 - Just talk SSLv3\n");
360: BIO_printf(bio_err, " -tls1_2 - Just talk TLSv1.2\n");
361: BIO_printf(bio_err, " -tls1_1 - Just talk TLSv1.1\n");
362: BIO_printf(bio_err, " -tls1 - Just talk TLSv1\n");
363: BIO_printf(bio_err, " -dtls1 - Just talk DTLSv1\n");
364: BIO_printf(bio_err, " -timeout - Enable timeouts\n");
365: BIO_printf(bio_err, " -mtu - Set link layer MTU\n");
366: BIO_printf(bio_err, " -chain - Read a certificate chain\n");
367: BIO_printf(bio_err, " -no_ssl2 - Just disable SSLv2\n");
368: BIO_printf(bio_err, " -no_ssl3 - Just disable SSLv3\n");
369: BIO_printf(bio_err, " -no_tls1 - Just disable TLSv1\n");
370: BIO_printf(bio_err, " -no_tls1_1 - Just disable TLSv1.1\n");
371: BIO_printf(bio_err, " -no_tls1_2 - Just disable TLSv1.2\n");
372: #ifndef OPENSSL_NO_DH
373: BIO_printf(bio_err, " -no_dhe - Disable ephemeral DH\n");
374: #endif
375: BIO_printf(bio_err, " -no_ecdhe - Disable ephemeral ECDH\n");
376: BIO_printf(bio_err, " -bugs - Turn on SSL bug compatibility\n");
377: BIO_printf(bio_err, " -www - Respond to a 'GET /' with a status page\n");
378: BIO_printf(bio_err, " -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
379: BIO_printf(bio_err, " -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
380: BIO_printf(bio_err, " with the assumption it contains a complete HTTP response.\n");
381: #ifndef OPENSSL_NO_ENGINE
382: BIO_printf(bio_err, " -engine id - Initialise and use the specified engine\n");
383: #endif
384: BIO_printf(bio_err, " -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
385: #ifndef OPENSSL_NO_TLSEXT
386: BIO_printf(bio_err, " -servername host - servername for HostName TLS extension\n");
387: BIO_printf(bio_err, " -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
388: BIO_printf(bio_err, " -cert2 arg - certificate file to use for servername\n");
389: BIO_printf(bio_err, " (default is %s)\n", TEST_CERT2);
390: BIO_printf(bio_err, " -key2 arg - Private Key file to use for servername, in cert file if\n");
391: BIO_printf(bio_err, " not specified (default is %s)\n", TEST_CERT2);
392: BIO_printf(bio_err, " -tlsextdebug - hex dump of all TLS extensions received\n");
393: BIO_printf(bio_err, " -no_ticket - disable use of RFC4507bis session tickets\n");
394: #ifndef OPENSSL_NO_NEXTPROTONEG
395: BIO_printf(bio_err, " -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
396: #endif
397: #ifndef OPENSSL_NO_SRTP
398: BIO_printf(bio_err, " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
399: #endif
400: #endif
401: BIO_printf(bio_err, " -keymatexport label - Export keying material using label\n");
402: BIO_printf(bio_err, " -keymatexportlen len - Export len bytes of keying material (default 20)\n");
403: }
404:
405: static int local_argc = 0;
406: static char **local_argv;
407:
408: #ifndef OPENSSL_NO_TLSEXT
409:
410: /* This is a context that we pass to callbacks */
411: typedef struct tlsextctx_st {
412: char *servername;
413: BIO *biodebug;
414: int extension_error;
415: } tlsextctx;
416:
417:
418: static int
419: ssl_servername_cb(SSL * s, int *ad, void *arg)
420: {
421: tlsextctx *p = (tlsextctx *) arg;
422: const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
423: if (servername && p->biodebug)
424: BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n", servername);
425:
426: if (!p->servername)
427: return SSL_TLSEXT_ERR_NOACK;
428:
429: if (servername) {
430: if (strcmp(servername, p->servername))
431: return p->extension_error;
432: if (ctx2) {
433: BIO_printf(p->biodebug, "Switching server context.\n");
434: SSL_set_SSL_CTX(s, ctx2);
435: }
436: }
437: return SSL_TLSEXT_ERR_OK;
438: }
439:
440: /* Structure passed to cert status callback */
441:
442: typedef struct tlsextstatusctx_st {
443: /* Default responder to use */
444: char *host, *path, *port;
445: int use_ssl;
446: int timeout;
447: BIO *err;
448: int verbose;
449: } tlsextstatusctx;
450:
451: static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
452:
453: /* Certificate Status callback. This is called when a client includes a
454: * certificate status request extension.
455: *
456: * This is a simplified version. It examines certificates each time and
457: * makes one OCSP responder query for each request.
458: *
459: * A full version would store details such as the OCSP certificate IDs and
460: * minimise the number of OCSP responses by caching them until they were
461: * considered "expired".
462: */
463:
464: static int
465: cert_status_cb(SSL * s, void *arg)
466: {
467: tlsextstatusctx *srctx = arg;
468: BIO *err = srctx->err;
469: char *host, *port, *path;
470: int use_ssl;
471: unsigned char *rspder = NULL;
472: int rspderlen;
473: STACK_OF(OPENSSL_STRING) * aia = NULL;
474: X509 *x = NULL;
475: X509_STORE_CTX inctx;
476: X509_OBJECT obj;
477: OCSP_REQUEST *req = NULL;
478: OCSP_RESPONSE *resp = NULL;
479: OCSP_CERTID *id = NULL;
480: STACK_OF(X509_EXTENSION) * exts;
481: int ret = SSL_TLSEXT_ERR_NOACK;
482: int i;
483:
484: if (srctx->verbose)
485: BIO_puts(err, "cert_status: callback called\n");
486: /* Build up OCSP query from server certificate */
487: x = SSL_get_certificate(s);
488: aia = X509_get1_ocsp(x);
489: if (aia) {
490: if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
491: &host, &port, &path, &use_ssl)) {
492: BIO_puts(err, "cert_status: can't parse AIA URL\n");
493: goto err;
494: }
495: if (srctx->verbose)
496: BIO_printf(err, "cert_status: AIA URL: %s\n",
497: sk_OPENSSL_STRING_value(aia, 0));
498: } else {
499: if (!srctx->host) {
500: BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
501: goto done;
502: }
503: host = srctx->host;
504: path = srctx->path;
505: port = srctx->port;
506: use_ssl = srctx->use_ssl;
507: }
508:
509: if (!X509_STORE_CTX_init(&inctx,
510: SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
511: NULL, NULL))
512: goto err;
513: if (X509_STORE_get_by_subject(&inctx, X509_LU_X509,
514: X509_get_issuer_name(x), &obj) <= 0) {
515: BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
516: X509_STORE_CTX_cleanup(&inctx);
517: goto done;
518: }
519: req = OCSP_REQUEST_new();
520: if (!req)
521: goto err;
522: id = OCSP_cert_to_id(NULL, x, obj.data.x509);
523: X509_free(obj.data.x509);
524: X509_STORE_CTX_cleanup(&inctx);
525: if (!id)
526: goto err;
527: if (!OCSP_request_add0_id(req, id))
528: goto err;
529: id = NULL;
530: /* Add any extensions to the request */
531: SSL_get_tlsext_status_exts(s, &exts);
532: for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
533: X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
534: if (!OCSP_REQUEST_add_ext(req, ext, -1))
535: goto err;
536: }
537: resp = process_responder(err, req, host, path, port, use_ssl, NULL,
538: srctx->timeout);
539: if (!resp) {
540: BIO_puts(err, "cert_status: error querying responder\n");
541: goto done;
542: }
543: rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
544: if (rspderlen <= 0)
545: goto err;
546: SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
547: if (srctx->verbose) {
548: BIO_puts(err, "cert_status: ocsp response sent:\n");
549: OCSP_RESPONSE_print(err, resp, 2);
550: }
551: ret = SSL_TLSEXT_ERR_OK;
552: done:
553: if (ret != SSL_TLSEXT_ERR_OK)
554: ERR_print_errors(err);
555: if (aia) {
556: free(host);
557: free(path);
558: free(port);
559: X509_email_free(aia);
560: }
561: if (id)
562: OCSP_CERTID_free(id);
563: if (req)
564: OCSP_REQUEST_free(req);
565: if (resp)
566: OCSP_RESPONSE_free(resp);
567: return ret;
568: err:
569: ret = SSL_TLSEXT_ERR_ALERT_FATAL;
570: goto done;
571: }
572:
573: #ifndef OPENSSL_NO_NEXTPROTONEG
574: /* This is the context that we pass to next_proto_cb */
575: typedef struct tlsextnextprotoctx_st {
576: unsigned char *data;
577: unsigned int len;
578: } tlsextnextprotoctx;
579:
580: static int
581: next_proto_cb(SSL * s, const unsigned char **data, unsigned int *len, void *arg)
582: {
583: tlsextnextprotoctx *next_proto = arg;
584:
585: *data = next_proto->data;
586: *len = next_proto->len;
587:
588: return SSL_TLSEXT_ERR_OK;
589: }
590: #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
591:
592:
593: #endif
594:
595: int s_server_main(int, char **);
596:
597: #ifndef OPENSSL_NO_SRTP
598: static char *srtp_profiles = NULL;
599: #endif
600:
601: int
602: s_server_main(int argc, char *argv[])
603: {
604: X509_VERIFY_PARAM *vpm = NULL;
605: int badarg = 0;
606: short port = PORT;
607: char *CApath = NULL, *CAfile = NULL;
608: unsigned char *context = NULL;
609: char *dhfile = NULL;
610: char *named_curve = NULL;
611: int badop = 0, bugs = 0;
612: int ret = 1;
613: int off = 0;
614: int no_tmp_rsa = 0, no_dhe = 0, no_ecdhe = 0, nocert = 0;
615: int state = 0;
616: const SSL_METHOD *meth = NULL;
617: int socket_type = SOCK_STREAM;
618: ENGINE *e = NULL;
619: int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
620: char *passarg = NULL, *pass = NULL;
621: char *dpassarg = NULL, *dpass = NULL;
622: int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
623: X509 *s_cert = NULL, *s_dcert = NULL;
624: EVP_PKEY *s_key = NULL, *s_dkey = NULL;
625: int no_cache = 0;
626: const char *errstr = NULL;
627: #ifndef OPENSSL_NO_TLSEXT
628: EVP_PKEY *s_key2 = NULL;
629: X509 *s_cert2 = NULL;
630: tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
631: #ifndef OPENSSL_NO_NEXTPROTONEG
632: const char *next_proto_neg_in = NULL;
633: tlsextnextprotoctx next_proto;
634: #endif
635: #endif
636: meth = SSLv23_server_method();
637:
638: local_argc = argc;
639: local_argv = argv;
640:
641: s_server_init();
642:
643: verify_depth = 0;
644: s_nbio = 0;
645: s_nbio_test = 0;
646:
647: argc--;
648: argv++;
649:
650: while (argc >= 1) {
651: if ((strcmp(*argv, "-port") == 0) ||
652: (strcmp(*argv, "-accept") == 0)) {
653: if (--argc < 1)
654: goto bad;
655: if (!extract_port(*(++argv), &port))
656: goto bad;
657: } else if (strcmp(*argv, "-verify") == 0) {
658: s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
659: if (--argc < 1)
660: goto bad;
661: verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr);
662: if (errstr)
663: goto bad;
664: BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
665: } else if (strcmp(*argv, "-Verify") == 0) {
666: s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
667: SSL_VERIFY_CLIENT_ONCE;
668: if (--argc < 1)
669: goto bad;
670: verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr);
671: if (errstr)
672: goto bad;
673: BIO_printf(bio_err, "verify depth is %d, must return a certificate\n", verify_depth);
674: } else if (strcmp(*argv, "-context") == 0) {
675: if (--argc < 1)
676: goto bad;
677: context = (unsigned char *) *(++argv);
678: } else if (strcmp(*argv, "-cert") == 0) {
679: if (--argc < 1)
680: goto bad;
681: s_cert_file = *(++argv);
682: } else if (strcmp(*argv, "-certform") == 0) {
683: if (--argc < 1)
684: goto bad;
685: s_cert_format = str2fmt(*(++argv));
686: } else if (strcmp(*argv, "-key") == 0) {
687: if (--argc < 1)
688: goto bad;
689: s_key_file = *(++argv);
690: } else if (strcmp(*argv, "-keyform") == 0) {
691: if (--argc < 1)
692: goto bad;
693: s_key_format = str2fmt(*(++argv));
694: } else if (strcmp(*argv, "-pass") == 0) {
695: if (--argc < 1)
696: goto bad;
697: passarg = *(++argv);
698: } else if (strcmp(*argv, "-dhparam") == 0) {
699: if (--argc < 1)
700: goto bad;
701: dhfile = *(++argv);
702: }
703: else if (strcmp(*argv, "-named_curve") == 0) {
704: if (--argc < 1)
705: goto bad;
706: named_curve = *(++argv);
707: }
708: else if (strcmp(*argv, "-dcertform") == 0) {
709: if (--argc < 1)
710: goto bad;
711: s_dcert_format = str2fmt(*(++argv));
712: } else if (strcmp(*argv, "-dcert") == 0) {
713: if (--argc < 1)
714: goto bad;
715: s_dcert_file = *(++argv);
716: } else if (strcmp(*argv, "-dkeyform") == 0) {
717: if (--argc < 1)
718: goto bad;
719: s_dkey_format = str2fmt(*(++argv));
720: } else if (strcmp(*argv, "-dpass") == 0) {
721: if (--argc < 1)
722: goto bad;
723: dpassarg = *(++argv);
724: } else if (strcmp(*argv, "-dkey") == 0) {
725: if (--argc < 1)
726: goto bad;
727: s_dkey_file = *(++argv);
728: } else if (strcmp(*argv, "-nocert") == 0) {
729: nocert = 1;
730: } else if (strcmp(*argv, "-CApath") == 0) {
731: if (--argc < 1)
732: goto bad;
733: CApath = *(++argv);
734: } else if (strcmp(*argv, "-no_cache") == 0)
735: no_cache = 1;
736: else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
737: if (badarg)
738: goto bad;
739: continue;
740: } else if (strcmp(*argv, "-verify_return_error") == 0)
741: verify_return_error = 1;
742: else if (strcmp(*argv, "-serverpref") == 0) {
743: off |= SSL_OP_CIPHER_SERVER_PREFERENCE;
744: } else if (strcmp(*argv, "-legacy_renegotiation") == 0)
745: ; /* no-op */
746: else if (strcmp(*argv, "-cipher") == 0) {
747: if (--argc < 1)
748: goto bad;
749: cipher = *(++argv);
750: } else if (strcmp(*argv, "-CAfile") == 0) {
751: if (--argc < 1)
752: goto bad;
753: CAfile = *(++argv);
754: }
755: else if (strcmp(*argv, "-nbio") == 0) {
756: s_nbio = 1;
757: }
758: else if (strcmp(*argv, "-nbio_test") == 0) {
759: s_nbio = 1;
760: s_nbio_test = 1;
761: } else if (strcmp(*argv, "-debug") == 0) {
762: s_debug = 1;
763: }
764: #ifndef OPENSSL_NO_TLSEXT
765: else if (strcmp(*argv, "-tlsextdebug") == 0)
766: s_tlsextdebug = 1;
767: else if (strcmp(*argv, "-status") == 0)
768: s_tlsextstatus = 1;
769: else if (strcmp(*argv, "-status_verbose") == 0) {
770: s_tlsextstatus = 1;
771: tlscstatp.verbose = 1;
772: } else if (!strcmp(*argv, "-status_timeout")) {
773: s_tlsextstatus = 1;
774: if (--argc < 1)
775: goto bad;
776: tlscstatp.timeout = strtonum(*(++argv), 0, INT_MAX, &errstr);
777: if (errstr)
778: goto bad;
779: } else if (!strcmp(*argv, "-status_url")) {
780: s_tlsextstatus = 1;
781: if (--argc < 1)
782: goto bad;
783: if (!OCSP_parse_url(*(++argv),
784: &tlscstatp.host,
785: &tlscstatp.port,
786: &tlscstatp.path,
787: &tlscstatp.use_ssl)) {
788: BIO_printf(bio_err, "Error parsing URL\n");
789: goto bad;
790: }
791: }
792: #endif
793: else if (strcmp(*argv, "-msg") == 0) {
794: s_msg = 1;
795: } else if (strcmp(*argv, "-hack") == 0) {
796: hack = 1;
797: } else if (strcmp(*argv, "-state") == 0) {
798: state = 1;
799: } else if (strcmp(*argv, "-crlf") == 0) {
800: s_crlf = 1;
801: } else if (strcmp(*argv, "-quiet") == 0) {
802: s_quiet = 1;
803: } else if (strcmp(*argv, "-bugs") == 0) {
804: bugs = 1;
805: } else if (strcmp(*argv, "-no_tmp_rsa") == 0) {
806: no_tmp_rsa = 1;
807: } else if (strcmp(*argv, "-no_dhe") == 0) {
808: no_dhe = 1;
809: } else if (strcmp(*argv, "-no_ecdhe") == 0) {
810: no_ecdhe = 1;
811: }
812: else if (strcmp(*argv, "-www") == 0) {
813: www = 1;
814: } else if (strcmp(*argv, "-WWW") == 0) {
815: www = 2;
816: } else if (strcmp(*argv, "-HTTP") == 0) {
817: www = 3;
818: } else if (strcmp(*argv, "-no_ssl2") == 0) {
819: off |= SSL_OP_NO_SSLv2;
820: } else if (strcmp(*argv, "-no_ssl3") == 0) {
821: off |= SSL_OP_NO_SSLv3;
822: } else if (strcmp(*argv, "-no_tls1") == 0) {
823: off |= SSL_OP_NO_TLSv1;
824: } else if (strcmp(*argv, "-no_tls1_1") == 0) {
825: off |= SSL_OP_NO_TLSv1_1;
826: } else if (strcmp(*argv, "-no_tls1_2") == 0) {
827: off |= SSL_OP_NO_TLSv1_2;
828: } else if (strcmp(*argv, "-no_comp") == 0) {
829: off |= SSL_OP_NO_COMPRESSION;
830: }
831: #ifndef OPENSSL_NO_TLSEXT
832: else if (strcmp(*argv, "-no_ticket") == 0) {
833: off |= SSL_OP_NO_TICKET;
834: }
835: #endif
836: else if (strcmp(*argv, "-ssl3") == 0) {
837: meth = SSLv3_server_method();
838: } else if (strcmp(*argv, "-tls1") == 0) {
839: meth = TLSv1_server_method();
840: } else if (strcmp(*argv, "-tls1_1") == 0) {
841: meth = TLSv1_1_server_method();
842: } else if (strcmp(*argv, "-tls1_2") == 0) {
843: meth = TLSv1_2_server_method();
844: }
845: #ifndef OPENSSL_NO_DTLS1
846: else if (strcmp(*argv, "-dtls1") == 0) {
847: meth = DTLSv1_server_method();
848: socket_type = SOCK_DGRAM;
849: } else if (strcmp(*argv, "-timeout") == 0)
850: enable_timeouts = 1;
851: else if (strcmp(*argv, "-mtu") == 0) {
852: if (--argc < 1)
853: goto bad;
854: socket_mtu = strtonum(*(++argv), 0, LONG_MAX, &errstr);
855: if (errstr)
856: goto bad;
857: } else if (strcmp(*argv, "-chain") == 0)
858: cert_chain = 1;
859: #endif
860: else if (strcmp(*argv, "-id_prefix") == 0) {
861: if (--argc < 1)
862: goto bad;
863: session_id_prefix = *(++argv);
864: }
865: #ifndef OPENSSL_NO_ENGINE
866: else if (strcmp(*argv, "-engine") == 0) {
867: if (--argc < 1)
868: goto bad;
869: engine_id = *(++argv);
870: }
871: #endif
872: #ifndef OPENSSL_NO_TLSEXT
873: else if (strcmp(*argv, "-servername") == 0) {
874: if (--argc < 1)
875: goto bad;
876: tlsextcbp.servername = *(++argv);
877: } else if (strcmp(*argv, "-servername_fatal") == 0) {
878: tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
879: } else if (strcmp(*argv, "-cert2") == 0) {
880: if (--argc < 1)
881: goto bad;
882: s_cert_file2 = *(++argv);
883: } else if (strcmp(*argv, "-key2") == 0) {
884: if (--argc < 1)
885: goto bad;
886: s_key_file2 = *(++argv);
887: }
888: #ifndef OPENSSL_NO_NEXTPROTONEG
889: else if (strcmp(*argv, "-nextprotoneg") == 0) {
890: if (--argc < 1)
891: goto bad;
892: next_proto_neg_in = *(++argv);
893: }
894: #endif
895: #endif
896: #ifndef OPENSSL_NO_SRTP
897: else if (strcmp(*argv, "-use_srtp") == 0) {
898: if (--argc < 1)
899: goto bad;
900: srtp_profiles = *(++argv);
901: }
902: #endif
903: else if (strcmp(*argv, "-keymatexport") == 0) {
904: if (--argc < 1)
905: goto bad;
906: keymatexportlabel = *(++argv);
907: } else if (strcmp(*argv, "-keymatexportlen") == 0) {
908: if (--argc < 1)
909: goto bad;
910: keymatexportlen = strtonum(*(++argv), 1, INT_MAX, &errstr);
911: if (errstr)
912: goto bad;
913: } else {
914: BIO_printf(bio_err, "unknown option %s\n", *argv);
915: badop = 1;
916: break;
917: }
918: argc--;
919: argv++;
920: }
921: if (badop) {
922: bad:
923: if (errstr)
924: BIO_printf(bio_err, "invalid argument %s: %s\n",
925: *argv, errstr);
926: else
927: sv_usage();
928: goto end;
929: }
930:
931: #ifndef OPENSSL_NO_ENGINE
932: e = setup_engine(bio_err, engine_id, 1);
933: #endif
934:
935: if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) {
936: BIO_printf(bio_err, "Error getting password\n");
937: goto end;
938: }
939: if (s_key_file == NULL)
940: s_key_file = s_cert_file;
941: #ifndef OPENSSL_NO_TLSEXT
942: if (s_key_file2 == NULL)
943: s_key_file2 = s_cert_file2;
944: #endif
945:
946: if (nocert == 0) {
947: s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
948: "server certificate private key file");
949: if (!s_key) {
950: ERR_print_errors(bio_err);
951: goto end;
952: }
953: s_cert = load_cert(bio_err, s_cert_file, s_cert_format,
954: NULL, e, "server certificate file");
955:
956: if (!s_cert) {
957: ERR_print_errors(bio_err);
958: goto end;
959: }
960: #ifndef OPENSSL_NO_TLSEXT
961: if (tlsextcbp.servername) {
962: s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
963: "second server certificate private key file");
964: if (!s_key2) {
965: ERR_print_errors(bio_err);
966: goto end;
967: }
968: s_cert2 = load_cert(bio_err, s_cert_file2, s_cert_format,
969: NULL, e, "second server certificate file");
970:
971: if (!s_cert2) {
972: ERR_print_errors(bio_err);
973: goto end;
974: }
975: }
976: #endif
977: }
978: #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
979: if (next_proto_neg_in) {
980: unsigned short len;
981: next_proto.data = next_protos_parse(&len, next_proto_neg_in);
982: if (next_proto.data == NULL)
983: goto end;
984: next_proto.len = len;
985: } else {
986: next_proto.data = NULL;
987: }
988: #endif
989:
990:
991: if (s_dcert_file) {
992:
993: if (s_dkey_file == NULL)
994: s_dkey_file = s_dcert_file;
995:
996: s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
997: 0, dpass, e,
998: "second certificate private key file");
999: if (!s_dkey) {
1000: ERR_print_errors(bio_err);
1001: goto end;
1002: }
1003: s_dcert = load_cert(bio_err, s_dcert_file, s_dcert_format,
1004: NULL, e, "second server certificate file");
1005:
1006: if (!s_dcert) {
1007: ERR_print_errors(bio_err);
1008: goto end;
1009: }
1010: }
1011: if (bio_s_out == NULL) {
1012: if (s_quiet && !s_debug && !s_msg) {
1013: bio_s_out = BIO_new(BIO_s_null());
1014: } else {
1015: if (bio_s_out == NULL)
1016: bio_s_out = BIO_new_fp(stdout, BIO_NOCLOSE);
1017: }
1018: }
1019: if (nocert)
1020: {
1021: s_cert_file = NULL;
1022: s_key_file = NULL;
1023: s_dcert_file = NULL;
1024: s_dkey_file = NULL;
1025: #ifndef OPENSSL_NO_TLSEXT
1026: s_cert_file2 = NULL;
1027: s_key_file2 = NULL;
1028: #endif
1029: }
1030: ctx = SSL_CTX_new(meth);
1031: if (ctx == NULL) {
1032: ERR_print_errors(bio_err);
1033: goto end;
1034: }
1035: if (session_id_prefix) {
1036: if (strlen(session_id_prefix) >= 32)
1037: BIO_printf(bio_err,
1038: "warning: id_prefix is too long, only one new session will be possible\n");
1039: else if (strlen(session_id_prefix) >= 16)
1040: BIO_printf(bio_err,
1041: "warning: id_prefix is too long if you use SSLv2\n");
1042: if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1043: BIO_printf(bio_err, "error setting 'id_prefix'\n");
1044: ERR_print_errors(bio_err);
1045: goto end;
1046: }
1047: BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1048: }
1049: SSL_CTX_set_quiet_shutdown(ctx, 1);
1050: if (bugs)
1051: SSL_CTX_set_options(ctx, SSL_OP_ALL);
1052: if (hack)
1053: SSL_CTX_set_options(ctx, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1054: SSL_CTX_set_options(ctx, off);
1055: /*
1056: * DTLS: partial reads end up discarding unread UDP bytes :-( Setting
1057: * read ahead solves this problem.
1058: */
1059: if (socket_type == SOCK_DGRAM)
1060: SSL_CTX_set_read_ahead(ctx, 1);
1061:
1062: if (state)
1063: SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1064: if (no_cache)
1065: SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1066: else
1067: SSL_CTX_sess_set_cache_size(ctx, 128);
1068:
1069: #ifndef OPENSSL_NO_SRTP
1070: if (srtp_profiles != NULL)
1071: SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1072: #endif
1073:
1074:
1075: if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) ||
1076: (!SSL_CTX_set_default_verify_paths(ctx))) {
1077: /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1078: ERR_print_errors(bio_err);
1079: /* goto end; */
1080: }
1081: if (vpm)
1082: SSL_CTX_set1_param(ctx, vpm);
1083:
1084: #ifndef OPENSSL_NO_TLSEXT
1085: if (s_cert2) {
1086: ctx2 = SSL_CTX_new(meth);
1087: if (ctx2 == NULL) {
1088: ERR_print_errors(bio_err);
1089: goto end;
1090: }
1091: }
1092: if (ctx2) {
1093: BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1094:
1095: if (session_id_prefix) {
1096: if (strlen(session_id_prefix) >= 32)
1097: BIO_printf(bio_err,
1098: "warning: id_prefix is too long, only one new session will be possible\n");
1099: else if (strlen(session_id_prefix) >= 16)
1100: BIO_printf(bio_err,
1101: "warning: id_prefix is too long if you use SSLv2\n");
1102: if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1103: BIO_printf(bio_err, "error setting 'id_prefix'\n");
1104: ERR_print_errors(bio_err);
1105: goto end;
1106: }
1107: BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1108: }
1109: SSL_CTX_set_quiet_shutdown(ctx2, 1);
1110: if (bugs)
1111: SSL_CTX_set_options(ctx2, SSL_OP_ALL);
1112: if (hack)
1113: SSL_CTX_set_options(ctx2, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1114: SSL_CTX_set_options(ctx2, off);
1115: /*
1116: * DTLS: partial reads end up discarding unread UDP bytes :-(
1117: * Setting read ahead solves this problem.
1118: */
1119: if (socket_type == SOCK_DGRAM)
1120: SSL_CTX_set_read_ahead(ctx2, 1);
1121:
1122: if (state)
1123: SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1124:
1125: if (no_cache)
1126: SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1127: else
1128: SSL_CTX_sess_set_cache_size(ctx2, 128);
1129:
1130: if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) ||
1131: (!SSL_CTX_set_default_verify_paths(ctx2))) {
1132: ERR_print_errors(bio_err);
1133: }
1134: if (vpm)
1135: SSL_CTX_set1_param(ctx2, vpm);
1136: }
1137: #ifndef OPENSSL_NO_NEXTPROTONEG
1138: if (next_proto.data)
1139: SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1140: #endif
1141: #endif
1142:
1143: #ifndef OPENSSL_NO_DH
1144: if (!no_dhe) {
1145: DH *dh = NULL;
1146:
1147: if (dhfile)
1148: dh = load_dh_param(dhfile);
1149: else if (s_cert_file)
1150: dh = load_dh_param(s_cert_file);
1151:
1152: if (dh != NULL) {
1153: BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1154: } else {
1155: BIO_printf(bio_s_out, "Using default temp DH parameters\n");
1156: dh = get_dh512();
1157: }
1158: (void) BIO_flush(bio_s_out);
1159:
1160: SSL_CTX_set_tmp_dh(ctx, dh);
1161: #ifndef OPENSSL_NO_TLSEXT
1162: if (ctx2) {
1163: if (!dhfile) {
1164: DH *dh2 = load_dh_param(s_cert_file2);
1165: if (dh2 != NULL) {
1166: BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1167: (void) BIO_flush(bio_s_out);
1168:
1169: DH_free(dh);
1170: dh = dh2;
1171: }
1172: }
1173: SSL_CTX_set_tmp_dh(ctx2, dh);
1174: }
1175: #endif
1176: DH_free(dh);
1177: }
1178: #endif
1179:
1180: if (!no_ecdhe) {
1181: EC_KEY *ecdh = NULL;
1182:
1183: if (named_curve) {
1184: int nid = OBJ_sn2nid(named_curve);
1185:
1186: if (nid == 0) {
1187: BIO_printf(bio_err, "unknown curve name (%s)\n",
1188: named_curve);
1189: goto end;
1190: }
1191: ecdh = EC_KEY_new_by_curve_name(nid);
1192: if (ecdh == NULL) {
1193: BIO_printf(bio_err, "unable to create curve (%s)\n",
1194: named_curve);
1195: goto end;
1196: }
1197: }
1198: if (ecdh != NULL) {
1199: BIO_printf(bio_s_out, "Setting temp ECDH parameters\n");
1200: } else {
1201: BIO_printf(bio_s_out, "Using default temp ECDH parameters\n");
1202: ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1203: if (ecdh == NULL) {
1204: BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1205: goto end;
1206: }
1207: }
1208: (void) BIO_flush(bio_s_out);
1209:
1210: SSL_CTX_set_tmp_ecdh(ctx, ecdh);
1211: #ifndef OPENSSL_NO_TLSEXT
1212: if (ctx2)
1213: SSL_CTX_set_tmp_ecdh(ctx2, ecdh);
1214: #endif
1215: EC_KEY_free(ecdh);
1216: }
1217:
1218: if (!set_cert_key_stuff(ctx, s_cert, s_key))
1219: goto end;
1220: #ifndef OPENSSL_NO_TLSEXT
1221: if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2))
1222: goto end;
1223: #endif
1224: if (s_dcert != NULL) {
1225: if (!set_cert_key_stuff(ctx, s_dcert, s_dkey))
1226: goto end;
1227: }
1228: if (!no_tmp_rsa) {
1229: SSL_CTX_set_tmp_rsa_callback(ctx, tmp_rsa_cb);
1230: #ifndef OPENSSL_NO_TLSEXT
1231: if (ctx2)
1232: SSL_CTX_set_tmp_rsa_callback(ctx2, tmp_rsa_cb);
1233: #endif
1234: }
1235:
1236:
1237: if (cipher != NULL) {
1238: if (!SSL_CTX_set_cipher_list(ctx, cipher)) {
1239: BIO_printf(bio_err, "error setting cipher list\n");
1240: ERR_print_errors(bio_err);
1241: goto end;
1242: }
1243: #ifndef OPENSSL_NO_TLSEXT
1244: if (ctx2 && !SSL_CTX_set_cipher_list(ctx2, cipher)) {
1245: BIO_printf(bio_err, "error setting cipher list\n");
1246: ERR_print_errors(bio_err);
1247: goto end;
1248: }
1249: #endif
1250: }
1251: SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
1252: SSL_CTX_set_session_id_context(ctx, (void *) &s_server_session_id_context,
1253: sizeof s_server_session_id_context);
1254:
1255: /* Set DTLS cookie generation and verification callbacks */
1256: SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1257: SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1258:
1259: #ifndef OPENSSL_NO_TLSEXT
1260: if (ctx2) {
1261: SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
1262: SSL_CTX_set_session_id_context(ctx2, (void *) &s_server_session_id_context,
1263: sizeof s_server_session_id_context);
1264:
1265: tlsextcbp.biodebug = bio_s_out;
1266: SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1267: SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1268: SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1269: SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1270: }
1271: #endif
1272:
1273: if (CAfile != NULL) {
1274: SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
1275: #ifndef OPENSSL_NO_TLSEXT
1276: if (ctx2)
1277: SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
1278: #endif
1279: }
1280: BIO_printf(bio_s_out, "ACCEPT\n");
1281: (void) BIO_flush(bio_s_out);
1282: if (www)
1283: do_server(port, socket_type, &accept_socket, www_body, context);
1284: else
1285: do_server(port, socket_type, &accept_socket, sv_body, context);
1286: print_stats(bio_s_out, ctx);
1287: ret = 0;
1288: end:
1289: if (ctx != NULL)
1290: SSL_CTX_free(ctx);
1291: if (s_cert)
1292: X509_free(s_cert);
1293: if (s_dcert)
1294: X509_free(s_dcert);
1295: if (s_key)
1296: EVP_PKEY_free(s_key);
1297: if (s_dkey)
1298: EVP_PKEY_free(s_dkey);
1299: free(pass);
1300: free(dpass);
1301: if (vpm)
1302: X509_VERIFY_PARAM_free(vpm);
1303: #ifndef OPENSSL_NO_TLSEXT
1304: free(tlscstatp.host);
1305: free(tlscstatp.port);
1306: free(tlscstatp.path);
1307: if (ctx2 != NULL)
1308: SSL_CTX_free(ctx2);
1309: if (s_cert2)
1310: X509_free(s_cert2);
1311: if (s_key2)
1312: EVP_PKEY_free(s_key2);
1313: #endif
1314: if (bio_s_out != NULL) {
1315: BIO_free(bio_s_out);
1316: bio_s_out = NULL;
1317: }
1318:
1319: return (ret);
1320: }
1321:
1322: static void
1323: print_stats(BIO * bio, SSL_CTX * ssl_ctx)
1324: {
1325: BIO_printf(bio, "%4ld items in the session cache\n",
1326: SSL_CTX_sess_number(ssl_ctx));
1327: BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
1328: SSL_CTX_sess_connect(ssl_ctx));
1329: BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
1330: SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1331: BIO_printf(bio, "%4ld client connects that finished\n",
1332: SSL_CTX_sess_connect_good(ssl_ctx));
1333: BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
1334: SSL_CTX_sess_accept(ssl_ctx));
1335: BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
1336: SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1337: BIO_printf(bio, "%4ld server accepts that finished\n",
1338: SSL_CTX_sess_accept_good(ssl_ctx));
1339: BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
1340: BIO_printf(bio, "%4ld session cache misses\n", SSL_CTX_sess_misses(ssl_ctx));
1341: BIO_printf(bio, "%4ld session cache timeouts\n", SSL_CTX_sess_timeouts(ssl_ctx));
1342: BIO_printf(bio, "%4ld callback cache hits\n", SSL_CTX_sess_cb_hits(ssl_ctx));
1343: BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
1344: SSL_CTX_sess_cache_full(ssl_ctx),
1345: SSL_CTX_sess_get_cache_size(ssl_ctx));
1346: }
1347:
1348: static int
1349: sv_body(char *hostname, int s, unsigned char *context)
1350: {
1351: char *buf = NULL;
1352: fd_set readfds;
1353: int ret = 1, width;
1354: int k, i;
1355: unsigned long l;
1356: SSL *con = NULL;
1357: BIO *sbio;
1358: struct timeval timeout;
1359: struct timeval *timeoutp;
1360:
1361: if ((buf = malloc(bufsize)) == NULL) {
1362: BIO_printf(bio_err, "out of memory\n");
1363: goto err;
1364: }
1365: if (s_nbio) {
1366: if (!s_quiet)
1367: BIO_printf(bio_err, "turning on non blocking io\n");
1.2 bcook 1368: if (!BIO_socket_nbio(s, 1))
1.1 jsing 1369: ERR_print_errors(bio_err);
1370: }
1371:
1372: if (con == NULL) {
1373: con = SSL_new(ctx);
1374: #ifndef OPENSSL_NO_TLSEXT
1375: if (s_tlsextdebug) {
1376: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1377: SSL_set_tlsext_debug_arg(con, bio_s_out);
1378: }
1379: if (s_tlsextstatus) {
1380: SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1381: tlscstatp.err = bio_err;
1382: SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1383: }
1384: #endif
1385: if (context)
1386: SSL_set_session_id_context(con, context,
1387: strlen((char *) context));
1388: }
1389: SSL_clear(con);
1390:
1391: if (SSL_version(con) == DTLS1_VERSION) {
1392:
1393: sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1394:
1395: if (enable_timeouts) {
1396: timeout.tv_sec = 0;
1397: timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1398: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1399:
1400: timeout.tv_sec = 0;
1401: timeout.tv_usec = DGRAM_SND_TIMEOUT;
1402: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1403: }
1404: if (socket_mtu > 28) {
1405: SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1406: SSL_set_mtu(con, socket_mtu - 28);
1407: } else
1408: /* want to do MTU discovery */
1409: BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1410:
1411: /* turn on cookie exchange */
1412: SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
1413: } else
1414: sbio = BIO_new_socket(s, BIO_NOCLOSE);
1415:
1416: if (s_nbio_test) {
1417: BIO *test;
1418:
1419: test = BIO_new(BIO_f_nbio_test());
1420: sbio = BIO_push(test, sbio);
1421: }
1422:
1423: SSL_set_bio(con, sbio, sbio);
1424: SSL_set_accept_state(con);
1425: /* SSL_set_fd(con,s); */
1426:
1427: if (s_debug) {
1428: SSL_set_debug(con, 1);
1429: BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
1430: BIO_set_callback_arg(SSL_get_rbio(con), (char *) bio_s_out);
1431: }
1432: if (s_msg) {
1433: SSL_set_msg_callback(con, msg_cb);
1434: SSL_set_msg_callback_arg(con, bio_s_out);
1435: }
1436: #ifndef OPENSSL_NO_TLSEXT
1437: if (s_tlsextdebug) {
1438: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1439: SSL_set_tlsext_debug_arg(con, bio_s_out);
1440: }
1441: #endif
1442:
1443: width = s + 1;
1444: for (;;) {
1445: int read_from_terminal;
1446: int read_from_sslcon;
1447:
1448: read_from_terminal = 0;
1449: read_from_sslcon = SSL_pending(con);
1450:
1451: if (!read_from_sslcon) {
1452: FD_ZERO(&readfds);
1453: FD_SET(fileno(stdin), &readfds);
1454: FD_SET(s, &readfds);
1455: if ((SSL_version(con) == DTLS1_VERSION) &&
1456: DTLSv1_get_timeout(con, &timeout))
1457: timeoutp = &timeout;
1458: else
1459: timeoutp = NULL;
1460:
1461: i = select(width, &readfds, NULL, NULL, timeoutp);
1462:
1463: if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) {
1464: BIO_printf(bio_err, "TIMEOUT occured\n");
1465: }
1466: if (i <= 0)
1467: continue;
1468: if (FD_ISSET(fileno(stdin), &readfds))
1469: read_from_terminal = 1;
1470: if (FD_ISSET(s, &readfds))
1471: read_from_sslcon = 1;
1472: }
1473: if (read_from_terminal) {
1474: if (s_crlf) {
1475: int j, lf_num;
1476:
1477: i = read(fileno(stdin), buf, bufsize / 2);
1478: lf_num = 0;
1479: /* both loops are skipped when i <= 0 */
1480: for (j = 0; j < i; j++)
1481: if (buf[j] == '\n')
1482: lf_num++;
1483: for (j = i - 1; j >= 0; j--) {
1484: buf[j + lf_num] = buf[j];
1485: if (buf[j] == '\n') {
1486: lf_num--;
1487: i++;
1488: buf[j + lf_num] = '\r';
1489: }
1490: }
1491: assert(lf_num == 0);
1492: } else
1493: i = read(fileno(stdin), buf, bufsize);
1494: if (!s_quiet) {
1495: if ((i <= 0) || (buf[0] == 'Q')) {
1496: BIO_printf(bio_s_out, "DONE\n");
1497: shutdown(s, SHUT_RD);
1498: close(s);
1499: close_accept_socket();
1500: ret = -11;
1501: goto err;
1502: }
1503: if ((i <= 0) || (buf[0] == 'q')) {
1504: BIO_printf(bio_s_out, "DONE\n");
1505: if (SSL_version(con) != DTLS1_VERSION) {
1506: shutdown(s, SHUT_RD);
1507: close(s);
1508: }
1509: /*
1510: * close_accept_socket(); ret= -11;
1511: */
1512: goto err;
1513: }
1514: if ((buf[0] == 'r') &&
1515: ((buf[1] == '\n') || (buf[1] == '\r'))) {
1516: SSL_renegotiate(con);
1517: i = SSL_do_handshake(con);
1518: printf("SSL_do_handshake -> %d\n", i);
1519: i = 0; /* 13; */
1520: continue;
1521: /*
1522: * strcpy(buf,"server side
1523: * RE-NEGOTIATE\n");
1524: */
1525: }
1526: if ((buf[0] == 'R') &&
1527: ((buf[1] == '\n') || (buf[1] == '\r'))) {
1528: SSL_set_verify(con,
1529: SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, NULL);
1530: SSL_renegotiate(con);
1531: i = SSL_do_handshake(con);
1532: printf("SSL_do_handshake -> %d\n", i);
1533: i = 0; /* 13; */
1534: continue;
1535: /*
1536: * strcpy(buf,"server side
1537: * RE-NEGOTIATE asking for client
1538: * cert\n");
1539: */
1540: }
1541: if (buf[0] == 'P') {
1542: static const char *str = "Lets print some clear text\n";
1543: BIO_write(SSL_get_wbio(con), str, strlen(str));
1544: }
1545: if (buf[0] == 'S') {
1546: print_stats(bio_s_out, SSL_get_SSL_CTX(con));
1547: }
1548: }
1549: l = k = 0;
1550: for (;;) {
1551: /* should do a select for the write */
1552: #ifdef RENEG
1553: {
1554: static count = 0;
1555: if (++count == 100) {
1556: count = 0;
1557: SSL_renegotiate(con);
1558: }
1559: }
1560: #endif
1561: k = SSL_write(con, &(buf[l]), (unsigned int) i);
1562: switch (SSL_get_error(con, k)) {
1563: case SSL_ERROR_NONE:
1564: break;
1565: case SSL_ERROR_WANT_WRITE:
1566: case SSL_ERROR_WANT_READ:
1567: case SSL_ERROR_WANT_X509_LOOKUP:
1568: BIO_printf(bio_s_out, "Write BLOCK\n");
1569: break;
1570: case SSL_ERROR_SYSCALL:
1571: case SSL_ERROR_SSL:
1572: BIO_printf(bio_s_out, "ERROR\n");
1573: ERR_print_errors(bio_err);
1574: ret = 1;
1575: goto err;
1576: /* break; */
1577: case SSL_ERROR_ZERO_RETURN:
1578: BIO_printf(bio_s_out, "DONE\n");
1579: ret = 1;
1580: goto err;
1581: }
1582: l += k;
1583: i -= k;
1584: if (i <= 0)
1585: break;
1586: }
1587: }
1588: if (read_from_sslcon) {
1589: if (!SSL_is_init_finished(con)) {
1590: i = init_ssl_connection(con);
1591:
1592: if (i < 0) {
1593: ret = 0;
1594: goto err;
1595: } else if (i == 0) {
1596: ret = 1;
1597: goto err;
1598: }
1599: } else {
1600: again:
1601: i = SSL_read(con, (char *) buf, bufsize);
1602: switch (SSL_get_error(con, i)) {
1603: case SSL_ERROR_NONE: {
1604: int len, n;
1605: for (len = 0; len < i;) {
1606: do {
1607: n = write(fileno(stdout), buf + len, i - len);
1608: } while (n == -1 && errno == EINTR);
1609:
1610: if (n < 0) {
1611: BIO_printf(bio_s_out, "ERROR\n");
1612: goto err;
1613: }
1614: len += n;
1615: }
1616: }
1617: if (SSL_pending(con))
1618: goto again;
1619: break;
1620: case SSL_ERROR_WANT_WRITE:
1621: case SSL_ERROR_WANT_READ:
1622: BIO_printf(bio_s_out, "Read BLOCK\n");
1623: break;
1624: case SSL_ERROR_SYSCALL:
1625: case SSL_ERROR_SSL:
1626: BIO_printf(bio_s_out, "ERROR\n");
1627: ERR_print_errors(bio_err);
1628: ret = 1;
1629: goto err;
1630: case SSL_ERROR_ZERO_RETURN:
1631: BIO_printf(bio_s_out, "DONE\n");
1632: ret = 1;
1633: goto err;
1634: }
1635: }
1636: }
1637: }
1638: err:
1639: if (con != NULL) {
1640: BIO_printf(bio_s_out, "shutting down SSL\n");
1641: SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
1642: SSL_free(con);
1643: }
1644: BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
1645: if (buf != NULL) {
1646: OPENSSL_cleanse(buf, bufsize);
1647: free(buf);
1648: }
1649: if (ret >= 0)
1650: BIO_printf(bio_s_out, "ACCEPT\n");
1651: return (ret);
1652: }
1653:
1654: static void
1655: close_accept_socket(void)
1656: {
1657: BIO_printf(bio_err, "shutdown accept socket\n");
1658: if (accept_socket >= 0) {
1659: shutdown(accept_socket, SHUT_RDWR);
1660: close(accept_socket);
1661: }
1662: }
1663:
1664: static int
1665: init_ssl_connection(SSL * con)
1666: {
1667: int i;
1668: const char *str;
1669: X509 *peer;
1670: long verify_error;
1671: char buf[BUFSIZ];
1672: #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1673: const unsigned char *next_proto_neg;
1674: unsigned next_proto_neg_len;
1675: #endif
1676: unsigned char *exportedkeymat;
1677:
1678:
1679: i = SSL_accept(con);
1680: if (i <= 0) {
1681: if (BIO_sock_should_retry(i)) {
1682: BIO_printf(bio_s_out, "DELAY\n");
1683: return (1);
1684: }
1685: BIO_printf(bio_err, "ERROR\n");
1686: verify_error = SSL_get_verify_result(con);
1687: if (verify_error != X509_V_OK) {
1688: BIO_printf(bio_err, "verify error:%s\n",
1689: X509_verify_cert_error_string(verify_error));
1690: } else
1691: ERR_print_errors(bio_err);
1692: return (0);
1693: }
1694: PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
1695:
1696: peer = SSL_get_peer_certificate(con);
1697: if (peer != NULL) {
1698: BIO_printf(bio_s_out, "Client certificate\n");
1699: PEM_write_bio_X509(bio_s_out, peer);
1700: X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
1701: BIO_printf(bio_s_out, "subject=%s\n", buf);
1702: X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
1703: BIO_printf(bio_s_out, "issuer=%s\n", buf);
1704: X509_free(peer);
1705: }
1706: if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
1707: BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
1708: str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1709: BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
1710:
1711: #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1712: SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
1713: if (next_proto_neg) {
1714: BIO_printf(bio_s_out, "NEXTPROTO is ");
1715: BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
1716: BIO_printf(bio_s_out, "\n");
1717: }
1718: #endif
1719: #ifndef OPENSSL_NO_SRTP
1720: {
1721: SRTP_PROTECTION_PROFILE *srtp_profile
1722: = SSL_get_selected_srtp_profile(con);
1723:
1724: if (srtp_profile)
1725: BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
1726: srtp_profile->name);
1727: }
1728: #endif
1729: if (SSL_cache_hit(con))
1730: BIO_printf(bio_s_out, "Reused session-id\n");
1731: if (SSL_ctrl(con, SSL_CTRL_GET_FLAGS, 0, NULL) &
1732: TLS1_FLAGS_TLS_PADDING_BUG)
1733: BIO_printf(bio_s_out,
1734: "Peer has incorrect TLSv1 block padding\n");
1735: BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
1736: SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
1737: if (keymatexportlabel != NULL) {
1738: BIO_printf(bio_s_out, "Keying material exporter:\n");
1739: BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
1740: BIO_printf(bio_s_out, " Length: %i bytes\n",
1741: keymatexportlen);
1742: exportedkeymat = malloc(keymatexportlen);
1743: if (exportedkeymat != NULL) {
1744: if (!SSL_export_keying_material(con, exportedkeymat,
1745: keymatexportlen,
1746: keymatexportlabel,
1747: strlen(keymatexportlabel),
1748: NULL, 0, 0)) {
1749: BIO_printf(bio_s_out, " Error\n");
1750: } else {
1751: BIO_printf(bio_s_out, " Keying material: ");
1752: for (i = 0; i < keymatexportlen; i++)
1753: BIO_printf(bio_s_out, "%02X",
1754: exportedkeymat[i]);
1755: BIO_printf(bio_s_out, "\n");
1756: }
1757: free(exportedkeymat);
1758: }
1759: }
1760: return (1);
1761: }
1762:
1763: #ifndef OPENSSL_NO_DH
1764: static DH *
1765: load_dh_param(const char *dhfile)
1766: {
1767: DH *ret = NULL;
1768: BIO *bio;
1769:
1770: if ((bio = BIO_new_file(dhfile, "r")) == NULL)
1771: goto err;
1772: ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
1773: err:
1774: BIO_free(bio);
1775: return (ret);
1776: }
1777: #endif
1778:
1779: static int
1780: www_body(char *hostname, int s, unsigned char *context)
1781: {
1782: char *buf = NULL;
1783: int ret = 1;
1784: int i, j, k, dot;
1785: SSL *con;
1786: const SSL_CIPHER *c;
1787: BIO *io, *ssl_bio, *sbio;
1788:
1789: buf = malloc(bufsize);
1790: if (buf == NULL)
1791: return (0);
1792: io = BIO_new(BIO_f_buffer());
1793: ssl_bio = BIO_new(BIO_f_ssl());
1794: if ((io == NULL) || (ssl_bio == NULL))
1795: goto err;
1796:
1797: if (s_nbio) {
1798: if (!s_quiet)
1799: BIO_printf(bio_err, "turning on non blocking io\n");
1.2 bcook 1800: if (!BIO_socket_nbio(s, 1))
1.1 jsing 1801: ERR_print_errors(bio_err);
1802: }
1803:
1804: /* lets make the output buffer a reasonable size */
1805: if (!BIO_set_write_buffer_size(io, bufsize))
1806: goto err;
1807:
1808: if ((con = SSL_new(ctx)) == NULL)
1809: goto err;
1810: #ifndef OPENSSL_NO_TLSEXT
1811: if (s_tlsextdebug) {
1812: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1813: SSL_set_tlsext_debug_arg(con, bio_s_out);
1814: }
1815: #endif
1816: if (context)
1817: SSL_set_session_id_context(con, context,
1818: strlen((char *) context));
1819:
1820: sbio = BIO_new_socket(s, BIO_NOCLOSE);
1821: if (s_nbio_test) {
1822: BIO *test;
1823:
1824: test = BIO_new(BIO_f_nbio_test());
1825: sbio = BIO_push(test, sbio);
1826: }
1827: SSL_set_bio(con, sbio, sbio);
1828: SSL_set_accept_state(con);
1829:
1830: /* SSL_set_fd(con,s); */
1831: BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
1832: BIO_push(io, ssl_bio);
1833:
1834: if (s_debug) {
1835: SSL_set_debug(con, 1);
1836: BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
1837: BIO_set_callback_arg(SSL_get_rbio(con), (char *) bio_s_out);
1838: }
1839: if (s_msg) {
1840: SSL_set_msg_callback(con, msg_cb);
1841: SSL_set_msg_callback_arg(con, bio_s_out);
1842: }
1843: for (;;) {
1844: if (hack) {
1845: i = SSL_accept(con);
1846: switch (SSL_get_error(con, i)) {
1847: case SSL_ERROR_NONE:
1848: break;
1849: case SSL_ERROR_WANT_WRITE:
1850: case SSL_ERROR_WANT_READ:
1851: case SSL_ERROR_WANT_X509_LOOKUP:
1852: continue;
1853: case SSL_ERROR_SYSCALL:
1854: case SSL_ERROR_SSL:
1855: case SSL_ERROR_ZERO_RETURN:
1856: ret = 1;
1857: goto err;
1858: /* break; */
1859: }
1860:
1861: SSL_renegotiate(con);
1862: SSL_write(con, NULL, 0);
1863: }
1864: i = BIO_gets(io, buf, bufsize - 1);
1865: if (i < 0) { /* error */
1866: if (!BIO_should_retry(io)) {
1867: if (!s_quiet)
1868: ERR_print_errors(bio_err);
1869: goto err;
1870: } else {
1871: BIO_printf(bio_s_out, "read R BLOCK\n");
1872: sleep(1);
1873: continue;
1874: }
1875: } else if (i == 0) { /* end of input */
1876: ret = 1;
1877: goto end;
1878: }
1879: /* else we have data */
1880: if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
1881: ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
1882: char *p;
1883: X509 *peer;
1884: STACK_OF(SSL_CIPHER) * sk;
1885: static const char *space = " ";
1886:
1887: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1888: BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1889: BIO_puts(io, "<pre>\n");
1890: /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1891: BIO_puts(io, "\n");
1892: for (i = 0; i < local_argc; i++) {
1893: BIO_puts(io, local_argv[i]);
1894: BIO_write(io, " ", 1);
1895: }
1896: BIO_puts(io, "\n");
1897:
1898: BIO_printf(io,
1899: "Secure Renegotiation IS%s supported\n",
1900: SSL_get_secure_renegotiation_support(con) ?
1901: "" : " NOT");
1902:
1903: /*
1904: * The following is evil and should not really be
1905: * done
1906: */
1907: BIO_printf(io, "Ciphers supported in s_server binary\n");
1908: sk = SSL_get_ciphers(con);
1909: j = sk_SSL_CIPHER_num(sk);
1910: for (i = 0; i < j; i++) {
1911: c = sk_SSL_CIPHER_value(sk, i);
1912: BIO_printf(io, "%-11s:%-25s",
1913: SSL_CIPHER_get_version(c),
1914: SSL_CIPHER_get_name(c));
1915: if ((((i + 1) % 2) == 0) && (i + 1 != j))
1916: BIO_puts(io, "\n");
1917: }
1918: BIO_puts(io, "\n");
1919: p = SSL_get_shared_ciphers(con, buf, bufsize);
1920: if (p != NULL) {
1921: BIO_printf(io, "---\nCiphers common between both SSL end points:\n");
1922: j = i = 0;
1923: while (*p) {
1924: if (*p == ':') {
1925: BIO_write(io, space, 26 - j);
1926: i++;
1927: j = 0;
1928: BIO_write(io, ((i % 3) ? " " : "\n"), 1);
1929: } else {
1930: BIO_write(io, p, 1);
1931: j++;
1932: }
1933: p++;
1934: }
1935: BIO_puts(io, "\n");
1936: }
1937: BIO_printf(io, (SSL_cache_hit(con)
1938: ? "---\nReused, "
1939: : "---\nNew, "));
1940: c = SSL_get_current_cipher(con);
1941: BIO_printf(io, "%s, Cipher is %s\n",
1942: SSL_CIPHER_get_version(c),
1943: SSL_CIPHER_get_name(c));
1944: SSL_SESSION_print(io, SSL_get_session(con));
1945: BIO_printf(io, "---\n");
1946: print_stats(io, SSL_get_SSL_CTX(con));
1947: BIO_printf(io, "---\n");
1948: peer = SSL_get_peer_certificate(con);
1949: if (peer != NULL) {
1950: BIO_printf(io, "Client certificate\n");
1951: X509_print(io, peer);
1952: PEM_write_bio_X509(io, peer);
1953: } else
1954: BIO_puts(io, "no client certificate available\n");
1955: BIO_puts(io, "</BODY></HTML>\r\n\r\n");
1956: break;
1957: } else if ((www == 2 || www == 3)
1958: && (strncmp("GET /", buf, 5) == 0)) {
1959: BIO *file;
1960: char *p, *e;
1961: static const char *text = "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1962:
1963: /* skip the '/' */
1964: p = &(buf[5]);
1965:
1966: dot = 1;
1967: for (e = p; *e != '\0'; e++) {
1968: if (e[0] == ' ')
1969: break;
1970:
1971: switch (dot) {
1972: case 1:
1973: dot = (e[0] == '.') ? 2 : 0;
1974: break;
1975: case 2:
1976: dot = (e[0] == '.') ? 3 : 0;
1977: break;
1978: case 3:
1979: dot = (e[0] == '/') ? -1 : 0;
1980: break;
1981: }
1982: if (dot == 0)
1983: dot = (e[0] == '/') ? 1 : 0;
1984: }
1985: dot = (dot == 3) || (dot == -1); /* filename contains
1986: * ".." component */
1987:
1988: if (*e == '\0') {
1989: BIO_puts(io, text);
1990: BIO_printf(io, "'%s' is an invalid file name\r\n", p);
1991: break;
1992: }
1993: *e = '\0';
1994:
1995: if (dot) {
1996: BIO_puts(io, text);
1997: BIO_printf(io, "'%s' contains '..' reference\r\n", p);
1998: break;
1999: }
2000: if (*p == '/') {
2001: BIO_puts(io, text);
2002: BIO_printf(io, "'%s' is an invalid path\r\n", p);
2003: break;
2004: }
2005: /* if a directory, do the index thang */
2006: if (app_isdir(p) > 0) {
2007: BIO_puts(io, text);
2008: BIO_printf(io, "'%s' is a directory\r\n", p);
2009: break;
2010: }
2011: if ((file = BIO_new_file(p, "r")) == NULL) {
2012: BIO_puts(io, text);
2013: BIO_printf(io, "Error opening '%s'\r\n", p);
2014: ERR_print_errors(io);
2015: break;
2016: }
2017: if (!s_quiet)
2018: BIO_printf(bio_err, "FILE:%s\n", p);
2019:
2020: if (www == 2) {
2021: i = strlen(p);
2022: if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
2023: ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
2024: ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
2025: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2026: else
2027: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2028: }
2029: /* send the file */
2030: for (;;) {
2031: i = BIO_read(file, buf, bufsize);
2032: if (i <= 0)
2033: break;
2034:
2035: #ifdef RENEG
2036: total_bytes += i;
2037: fprintf(stderr, "%d\n", i);
2038: if (total_bytes > 3 * 1024) {
2039: total_bytes = 0;
2040: fprintf(stderr, "RENEGOTIATE\n");
2041: SSL_renegotiate(con);
2042: }
2043: #endif
2044:
2045: for (j = 0; j < i;) {
2046: #ifdef RENEG
2047: {
2048: static count = 0;
2049: if (++count == 13) {
2050: SSL_renegotiate(con);
2051: }
2052: }
2053: #endif
2054: k = BIO_write(io, &(buf[j]), i - j);
2055: if (k <= 0) {
2056: if (!BIO_should_retry(io))
2057: goto write_error;
2058: else {
2059: BIO_printf(bio_s_out, "rwrite W BLOCK\n");
2060: }
2061: } else {
2062: j += k;
2063: }
2064: }
2065: }
2066: write_error:
2067: BIO_free(file);
2068: break;
2069: }
2070: }
2071:
2072: for (;;) {
2073: i = (int) BIO_flush(io);
2074: if (i <= 0) {
2075: if (!BIO_should_retry(io))
2076: break;
2077: } else
2078: break;
2079: }
2080: end:
2081: /* make sure we re-use sessions */
2082: SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2083:
2084: err:
2085:
2086: if (ret >= 0)
2087: BIO_printf(bio_s_out, "ACCEPT\n");
2088:
2089: if (buf != NULL)
2090: free(buf);
2091: if (io != NULL)
2092: BIO_free_all(io);
2093: /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2094: return (ret);
2095: }
2096:
2097: static RSA *
2098: tmp_rsa_cb(SSL * s, int is_export, int keylength)
2099: {
2100: BIGNUM *bn = NULL;
2101: static RSA *rsa_tmp = NULL;
2102:
2103: if (!rsa_tmp && ((bn = BN_new()) == NULL))
2104: BIO_printf(bio_err, "Allocation error in generating RSA key\n");
2105: if (!rsa_tmp && bn) {
2106: if (!s_quiet) {
2107: BIO_printf(bio_err, "Generating temp (%d bit) RSA key...", keylength);
2108: (void) BIO_flush(bio_err);
2109: }
2110: if (!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
2111: !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL)) {
2112: if (rsa_tmp)
2113: RSA_free(rsa_tmp);
2114: rsa_tmp = NULL;
2115: }
2116: if (!s_quiet) {
2117: BIO_printf(bio_err, "\n");
2118: (void) BIO_flush(bio_err);
2119: }
2120: BN_free(bn);
2121: }
2122: return (rsa_tmp);
2123: }
2124:
2125: #define MAX_SESSION_ID_ATTEMPTS 10
2126: static int
2127: generate_session_id(const SSL * ssl, unsigned char *id,
2128: unsigned int *id_len)
2129: {
2130: unsigned int count = 0;
2131: do {
1.3 ! jsing 2132: arc4random_buf(id, *id_len);
1.1 jsing 2133: /*
2134: * Prefix the session_id with the required prefix. NB: If our
2135: * prefix is too long, clip it - but there will be worse
2136: * effects anyway, eg. the server could only possibly create
2137: * 1 session ID (ie. the prefix!) so all future session
2138: * negotiations will fail due to conflicts.
2139: */
2140: memcpy(id, session_id_prefix,
2141: (strlen(session_id_prefix) < *id_len) ?
2142: strlen(session_id_prefix) : *id_len);
2143: }
2144: while (SSL_has_matching_session_id(ssl, id, *id_len) &&
2145: (++count < MAX_SESSION_ID_ATTEMPTS));
2146: if (count >= MAX_SESSION_ID_ATTEMPTS)
2147: return 0;
2148: return 1;
2149: }