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1.25 ! deraadt 1: /* $OpenBSD: s_server.c,v 1.24 2015/12/23 20:43:42 mmcc 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/socket.h>
151:
152: #include <assert.h>
153: #include <ctype.h>
154: #include <stdio.h>
155: #include <stdlib.h>
156: #include <limits.h>
157: #include <string.h>
158: #include <unistd.h>
1.7 deraadt 159: #include <poll.h>
1.1 jsing 160:
161: #include "apps.h"
162:
163: #include <openssl/bn.h>
164: #include <openssl/err.h>
165: #include <openssl/lhash.h>
166: #include <openssl/ocsp.h>
167: #include <openssl/pem.h>
168: #include <openssl/ssl.h>
169: #include <openssl/x509.h>
170:
171: #ifndef OPENSSL_NO_DH
172: #include <openssl/dh.h>
173: #endif
174:
175: #include <openssl/rsa.h>
176:
177: #include "s_apps.h"
178: #include "timeouts.h"
179:
180: static int sv_body(char *hostname, int s, unsigned char *context);
181: static int www_body(char *hostname, int s, unsigned char *context);
182: static void close_accept_socket(void);
183: static void sv_usage(void);
184: static int init_ssl_connection(SSL * s);
185: static void print_stats(BIO * bp, SSL_CTX * ctx);
186: static int
187: generate_session_id(const SSL * ssl, unsigned char *id,
188: unsigned int *id_len);
189: #ifndef OPENSSL_NO_DH
190: static DH *load_dh_param(const char *dhfile);
191: #endif
192:
193: static void s_server_init(void);
194:
195: /* static int load_CA(SSL_CTX *ctx, char *file);*/
196:
197: #define BUFSIZZ 16*1024
198: static int bufsize = BUFSIZZ;
199: static int accept_socket = -1;
200:
201: #define TEST_CERT "server.pem"
202: #define TEST_CERT2 "server2.pem"
203:
204: static char *cipher = NULL;
205: static int s_server_verify = SSL_VERIFY_NONE;
206: static int s_server_session_id_context = 1; /* anything will do */
207: static const char *s_cert_file = TEST_CERT, *s_key_file = NULL;
208: static const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL;
209: static char *s_dcert_file = NULL, *s_dkey_file = NULL;
210: static int s_nbio = 0;
211: static int s_nbio_test = 0;
212: int s_crlf = 0;
213: static SSL_CTX *ctx = NULL;
214: static SSL_CTX *ctx2 = NULL;
215: static int www = 0;
216:
217: static BIO *bio_s_out = NULL;
218: static int s_debug = 0;
219: static int s_tlsextdebug = 0;
220: static int s_tlsextstatus = 0;
221: static int cert_status_cb(SSL * s, void *arg);
222: static int s_msg = 0;
223: static int s_quiet = 0;
224:
225: static char *keymatexportlabel = NULL;
226: static int keymatexportlen = 20;
227:
228: static const char *session_id_prefix = NULL;
229:
230: static int enable_timeouts = 0;
231: static long socket_mtu;
232: #ifndef OPENSSL_NO_DTLS1
233: static int cert_chain = 0;
234: #endif
235:
236:
237:
238:
239: static void
240: s_server_init(void)
241: {
242: accept_socket = -1;
243: cipher = NULL;
244: s_server_verify = SSL_VERIFY_NONE;
245: s_dcert_file = NULL;
246: s_dkey_file = NULL;
247: s_cert_file = TEST_CERT;
248: s_key_file = NULL;
249: s_cert_file2 = TEST_CERT2;
250: s_key_file2 = NULL;
251: ctx2 = NULL;
252: s_nbio = 0;
253: s_nbio_test = 0;
254: ctx = NULL;
255: www = 0;
256:
257: bio_s_out = NULL;
258: s_debug = 0;
259: s_msg = 0;
260: s_quiet = 0;
261: }
262:
263: static void
264: sv_usage(void)
265: {
266: BIO_printf(bio_err, "usage: s_server [args ...]\n");
267: BIO_printf(bio_err, "\n");
268: BIO_printf(bio_err, " -accept arg - port to accept on (default is %d)\n", PORT);
269: BIO_printf(bio_err, " -context arg - set session ID context\n");
270: BIO_printf(bio_err, " -verify arg - turn on peer certificate verification\n");
271: BIO_printf(bio_err, " -Verify arg - turn on peer certificate verification, must have a cert.\n");
272: BIO_printf(bio_err, " -cert arg - certificate file to use\n");
273: BIO_printf(bio_err, " (default is %s)\n", TEST_CERT);
274: BIO_printf(bio_err, " -crl_check - check the peer certificate has not been revoked by its CA.\n" \
275: " The CRL(s) are appended to the certificate file\n");
276: BIO_printf(bio_err, " -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
277: " or any other CRL in the CA chain. CRL(s) are appended to the\n" \
278: " the certificate file.\n");
279: BIO_printf(bio_err, " -certform arg - certificate format (PEM or DER) PEM default\n");
280: BIO_printf(bio_err, " -key arg - Private Key file to use, in cert file if\n");
281: BIO_printf(bio_err, " not specified (default is %s)\n", TEST_CERT);
1.17 bcook 282: BIO_printf(bio_err, " -keyform arg - key format (PEM or DER) PEM default\n");
1.1 jsing 283: BIO_printf(bio_err, " -pass arg - private key file pass phrase source\n");
284: BIO_printf(bio_err, " -dcert arg - second certificate file to use (usually for DSA)\n");
285: BIO_printf(bio_err, " -dcertform x - second certificate format (PEM or DER) PEM default\n");
286: BIO_printf(bio_err, " -dkey arg - second private key file to use (usually for DSA)\n");
1.17 bcook 287: BIO_printf(bio_err, " -dkeyform arg - second key format (PEM or DER) PEM default\n");
1.1 jsing 288: BIO_printf(bio_err, " -dpass arg - second private key file pass phrase source\n");
289: BIO_printf(bio_err, " -dhparam arg - DH parameter file to use, in cert file if not specified\n");
290: BIO_printf(bio_err, " or a default set of parameters is used\n");
291: BIO_printf(bio_err, " -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" \
292: " Use \"openssl ecparam -list_curves\" for all names\n" \
293: " (default is nistp256).\n");
294: BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n");
295: BIO_printf(bio_err, " -nbio_test - test with the non-blocking test bio\n");
296: BIO_printf(bio_err, " -crlf - convert LF from terminal into CRLF\n");
297: BIO_printf(bio_err, " -debug - Print more output\n");
298: BIO_printf(bio_err, " -msg - Show protocol messages\n");
299: BIO_printf(bio_err, " -state - Print the SSL states\n");
300: BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n");
301: BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n");
302: BIO_printf(bio_err, " -nocert - Don't use any certificates (Anon-DH)\n");
303: BIO_printf(bio_err, " -cipher arg - play with 'openssl ciphers' to see what goes here\n");
304: BIO_printf(bio_err, " -serverpref - Use server's cipher preferences\n");
305: BIO_printf(bio_err, " -quiet - Inhibit printing of session and certificate information\n");
306: BIO_printf(bio_err, " -tls1_2 - Just talk TLSv1.2\n");
307: BIO_printf(bio_err, " -tls1_1 - Just talk TLSv1.1\n");
308: BIO_printf(bio_err, " -tls1 - Just talk TLSv1\n");
309: BIO_printf(bio_err, " -dtls1 - Just talk DTLSv1\n");
310: BIO_printf(bio_err, " -timeout - Enable timeouts\n");
311: BIO_printf(bio_err, " -mtu - Set link layer MTU\n");
312: BIO_printf(bio_err, " -chain - Read a certificate chain\n");
313: BIO_printf(bio_err, " -no_ssl2 - Just disable SSLv2\n");
314: BIO_printf(bio_err, " -no_ssl3 - Just disable SSLv3\n");
315: BIO_printf(bio_err, " -no_tls1 - Just disable TLSv1\n");
316: BIO_printf(bio_err, " -no_tls1_1 - Just disable TLSv1.1\n");
317: BIO_printf(bio_err, " -no_tls1_2 - Just disable TLSv1.2\n");
318: #ifndef OPENSSL_NO_DH
319: BIO_printf(bio_err, " -no_dhe - Disable ephemeral DH\n");
320: #endif
321: BIO_printf(bio_err, " -no_ecdhe - Disable ephemeral ECDH\n");
322: BIO_printf(bio_err, " -bugs - Turn on SSL bug compatibility\n");
323: BIO_printf(bio_err, " -www - Respond to a 'GET /' with a status page\n");
324: BIO_printf(bio_err, " -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
325: BIO_printf(bio_err, " -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
326: BIO_printf(bio_err, " with the assumption it contains a complete HTTP response.\n");
327: BIO_printf(bio_err, " -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
328: BIO_printf(bio_err, " -servername host - servername for HostName TLS extension\n");
329: BIO_printf(bio_err, " -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
330: BIO_printf(bio_err, " -cert2 arg - certificate file to use for servername\n");
331: BIO_printf(bio_err, " (default is %s)\n", TEST_CERT2);
332: BIO_printf(bio_err, " -key2 arg - Private Key file to use for servername, in cert file if\n");
333: BIO_printf(bio_err, " not specified (default is %s)\n", TEST_CERT2);
334: BIO_printf(bio_err, " -tlsextdebug - hex dump of all TLS extensions received\n");
335: BIO_printf(bio_err, " -no_ticket - disable use of RFC4507bis session tickets\n");
336: BIO_printf(bio_err, " -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
1.8 jsing 337: BIO_printf(bio_err," -alpn arg - set the advertised protocols for the ALPN extension (comma-separated list)\n");
1.1 jsing 338: #ifndef OPENSSL_NO_SRTP
339: BIO_printf(bio_err, " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
340: #endif
341: BIO_printf(bio_err, " -keymatexport label - Export keying material using label\n");
342: BIO_printf(bio_err, " -keymatexportlen len - Export len bytes of keying material (default 20)\n");
343: }
344:
345: static int local_argc = 0;
346: static char **local_argv;
347:
348:
349: /* This is a context that we pass to callbacks */
350: typedef struct tlsextctx_st {
351: char *servername;
352: BIO *biodebug;
353: int extension_error;
354: } tlsextctx;
355:
356:
357: static int
358: ssl_servername_cb(SSL * s, int *ad, void *arg)
359: {
360: tlsextctx *p = (tlsextctx *) arg;
361: const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
362: if (servername && p->biodebug)
363: BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n", servername);
364:
365: if (!p->servername)
366: return SSL_TLSEXT_ERR_NOACK;
367:
368: if (servername) {
369: if (strcmp(servername, p->servername))
370: return p->extension_error;
371: if (ctx2) {
372: BIO_printf(p->biodebug, "Switching server context.\n");
373: SSL_set_SSL_CTX(s, ctx2);
374: }
375: }
376: return SSL_TLSEXT_ERR_OK;
377: }
378:
379: /* Structure passed to cert status callback */
380:
381: typedef struct tlsextstatusctx_st {
382: /* Default responder to use */
383: char *host, *path, *port;
384: int use_ssl;
385: int timeout;
386: BIO *err;
387: int verbose;
388: } tlsextstatusctx;
389:
390: static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
391:
392: /* Certificate Status callback. This is called when a client includes a
393: * certificate status request extension.
394: *
395: * This is a simplified version. It examines certificates each time and
396: * makes one OCSP responder query for each request.
397: *
398: * A full version would store details such as the OCSP certificate IDs and
399: * minimise the number of OCSP responses by caching them until they were
400: * considered "expired".
401: */
402:
403: static int
404: cert_status_cb(SSL * s, void *arg)
405: {
406: tlsextstatusctx *srctx = arg;
407: BIO *err = srctx->err;
408: char *host, *port, *path;
409: int use_ssl;
410: unsigned char *rspder = NULL;
411: int rspderlen;
412: STACK_OF(OPENSSL_STRING) * aia = NULL;
413: X509 *x = NULL;
414: X509_STORE_CTX inctx;
415: X509_OBJECT obj;
416: OCSP_REQUEST *req = NULL;
417: OCSP_RESPONSE *resp = NULL;
418: OCSP_CERTID *id = NULL;
419: STACK_OF(X509_EXTENSION) * exts;
420: int ret = SSL_TLSEXT_ERR_NOACK;
421: int i;
422:
423: if (srctx->verbose)
424: BIO_puts(err, "cert_status: callback called\n");
425: /* Build up OCSP query from server certificate */
426: x = SSL_get_certificate(s);
427: aia = X509_get1_ocsp(x);
428: if (aia) {
429: if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
430: &host, &port, &path, &use_ssl)) {
431: BIO_puts(err, "cert_status: can't parse AIA URL\n");
432: goto err;
433: }
434: if (srctx->verbose)
435: BIO_printf(err, "cert_status: AIA URL: %s\n",
436: sk_OPENSSL_STRING_value(aia, 0));
437: } else {
438: if (!srctx->host) {
439: BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
440: goto done;
441: }
442: host = srctx->host;
443: path = srctx->path;
444: port = srctx->port;
445: use_ssl = srctx->use_ssl;
446: }
447:
448: if (!X509_STORE_CTX_init(&inctx,
449: SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
450: NULL, NULL))
451: goto err;
452: if (X509_STORE_get_by_subject(&inctx, X509_LU_X509,
453: X509_get_issuer_name(x), &obj) <= 0) {
454: BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
455: X509_STORE_CTX_cleanup(&inctx);
456: goto done;
457: }
458: req = OCSP_REQUEST_new();
459: if (!req)
460: goto err;
461: id = OCSP_cert_to_id(NULL, x, obj.data.x509);
462: X509_free(obj.data.x509);
463: X509_STORE_CTX_cleanup(&inctx);
464: if (!id)
465: goto err;
466: if (!OCSP_request_add0_id(req, id))
467: goto err;
468: id = NULL;
469: /* Add any extensions to the request */
470: SSL_get_tlsext_status_exts(s, &exts);
471: for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
472: X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
473: if (!OCSP_REQUEST_add_ext(req, ext, -1))
474: goto err;
475: }
476: resp = process_responder(err, req, host, path, port, use_ssl, NULL,
477: srctx->timeout);
478: if (!resp) {
479: BIO_puts(err, "cert_status: error querying responder\n");
480: goto done;
481: }
482: rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
483: if (rspderlen <= 0)
484: goto err;
485: SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
486: if (srctx->verbose) {
487: BIO_puts(err, "cert_status: ocsp response sent:\n");
488: OCSP_RESPONSE_print(err, resp, 2);
489: }
490: ret = SSL_TLSEXT_ERR_OK;
491: done:
492: if (ret != SSL_TLSEXT_ERR_OK)
493: ERR_print_errors(err);
494: if (aia) {
495: free(host);
496: free(path);
497: free(port);
498: X509_email_free(aia);
499: }
500: if (id)
501: OCSP_CERTID_free(id);
502: if (req)
503: OCSP_REQUEST_free(req);
504: if (resp)
505: OCSP_RESPONSE_free(resp);
506: return ret;
507: err:
508: ret = SSL_TLSEXT_ERR_ALERT_FATAL;
509: goto done;
510: }
511:
512: /* This is the context that we pass to next_proto_cb */
513: typedef struct tlsextnextprotoctx_st {
514: unsigned char *data;
515: unsigned int len;
516: } tlsextnextprotoctx;
517:
518: static int
519: next_proto_cb(SSL * s, const unsigned char **data, unsigned int *len, void *arg)
520: {
521: tlsextnextprotoctx *next_proto = arg;
522:
523: *data = next_proto->data;
524: *len = next_proto->len;
525:
526: return SSL_TLSEXT_ERR_OK;
527: }
528:
529:
1.8 jsing 530: /* This the context that we pass to alpn_cb */
531: typedef struct tlsextalpnctx_st {
532: unsigned char *data;
533: unsigned short len;
534: } tlsextalpnctx;
535:
536: static int
537: alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
538: const unsigned char *in, unsigned int inlen, void *arg)
539: {
540: tlsextalpnctx *alpn_ctx = arg;
541:
542: if (!s_quiet) {
543: /* We can assume that in is syntactically valid. */
544: unsigned i;
545:
546: BIO_printf(bio_s_out,
547: "ALPN protocols advertised by the client: ");
548: for (i = 0; i < inlen; ) {
549: if (i)
550: BIO_write(bio_s_out, ", ", 2);
551: BIO_write(bio_s_out, &in[i + 1], in[i]);
552: i += in[i] + 1;
553: }
554: BIO_write(bio_s_out, "\n", 1);
555: }
556:
557: if (SSL_select_next_proto((unsigned char**)out, outlen, alpn_ctx->data,
558: alpn_ctx->len, in, inlen) != OPENSSL_NPN_NEGOTIATED)
559: return (SSL_TLSEXT_ERR_NOACK);
560:
561: if (!s_quiet) {
562: BIO_printf(bio_s_out, "ALPN protocols selected: ");
563: BIO_write(bio_s_out, *out, *outlen);
564: BIO_write(bio_s_out, "\n", 1);
565: }
566:
567: return (SSL_TLSEXT_ERR_OK);
568: }
1.1 jsing 569:
570: #ifndef OPENSSL_NO_SRTP
571: static char *srtp_profiles = NULL;
572: #endif
573:
574: int
575: s_server_main(int argc, char *argv[])
576: {
577: X509_VERIFY_PARAM *vpm = NULL;
578: int badarg = 0;
579: short port = PORT;
580: char *CApath = NULL, *CAfile = NULL;
581: unsigned char *context = NULL;
582: char *dhfile = NULL;
583: char *named_curve = NULL;
584: int badop = 0, bugs = 0;
585: int ret = 1;
586: int off = 0;
1.5 jsing 587: int no_dhe = 0, no_ecdhe = 0, nocert = 0;
1.1 jsing 588: int state = 0;
589: const SSL_METHOD *meth = NULL;
590: int socket_type = SOCK_STREAM;
591: int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
592: char *passarg = NULL, *pass = NULL;
593: char *dpassarg = NULL, *dpass = NULL;
594: int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
595: X509 *s_cert = NULL, *s_dcert = NULL;
596: EVP_PKEY *s_key = NULL, *s_dkey = NULL;
597: int no_cache = 0;
598: const char *errstr = NULL;
599: EVP_PKEY *s_key2 = NULL;
600: X509 *s_cert2 = NULL;
601: tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
602: const char *next_proto_neg_in = NULL;
1.8 jsing 603: tlsextnextprotoctx next_proto = { NULL, 0 };
604: const char *alpn_in = NULL;
605: tlsextalpnctx alpn_ctx = { NULL, 0 };
1.20 doug 606:
607: if (single_execution) {
1.25 ! deraadt 608: if (pledge("stdio rpath inet dns tty", NULL) == -1) {
1.20 doug 609: perror("pledge");
1.22 doug 610: exit(1);
611: }
1.20 doug 612: }
613:
1.1 jsing 614: meth = SSLv23_server_method();
615:
616: local_argc = argc;
617: local_argv = argv;
618:
619: s_server_init();
620:
621: verify_depth = 0;
622: s_nbio = 0;
623: s_nbio_test = 0;
624:
625: argc--;
626: argv++;
627:
628: while (argc >= 1) {
629: if ((strcmp(*argv, "-port") == 0) ||
630: (strcmp(*argv, "-accept") == 0)) {
631: if (--argc < 1)
632: goto bad;
633: if (!extract_port(*(++argv), &port))
634: goto bad;
635: } else if (strcmp(*argv, "-verify") == 0) {
636: s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
637: if (--argc < 1)
638: goto bad;
639: verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr);
640: if (errstr)
641: goto bad;
642: BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
643: } else if (strcmp(*argv, "-Verify") == 0) {
644: s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
645: SSL_VERIFY_CLIENT_ONCE;
646: if (--argc < 1)
647: goto bad;
648: verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr);
649: if (errstr)
650: goto bad;
651: BIO_printf(bio_err, "verify depth is %d, must return a certificate\n", verify_depth);
652: } else if (strcmp(*argv, "-context") == 0) {
653: if (--argc < 1)
654: goto bad;
655: context = (unsigned char *) *(++argv);
656: } else if (strcmp(*argv, "-cert") == 0) {
657: if (--argc < 1)
658: goto bad;
659: s_cert_file = *(++argv);
660: } else if (strcmp(*argv, "-certform") == 0) {
661: if (--argc < 1)
662: goto bad;
663: s_cert_format = str2fmt(*(++argv));
664: } else if (strcmp(*argv, "-key") == 0) {
665: if (--argc < 1)
666: goto bad;
667: s_key_file = *(++argv);
668: } else if (strcmp(*argv, "-keyform") == 0) {
669: if (--argc < 1)
670: goto bad;
671: s_key_format = str2fmt(*(++argv));
672: } else if (strcmp(*argv, "-pass") == 0) {
673: if (--argc < 1)
674: goto bad;
675: passarg = *(++argv);
676: } else if (strcmp(*argv, "-dhparam") == 0) {
677: if (--argc < 1)
678: goto bad;
679: dhfile = *(++argv);
680: }
681: else if (strcmp(*argv, "-named_curve") == 0) {
682: if (--argc < 1)
683: goto bad;
684: named_curve = *(++argv);
685: }
686: else if (strcmp(*argv, "-dcertform") == 0) {
687: if (--argc < 1)
688: goto bad;
689: s_dcert_format = str2fmt(*(++argv));
690: } else if (strcmp(*argv, "-dcert") == 0) {
691: if (--argc < 1)
692: goto bad;
693: s_dcert_file = *(++argv);
694: } else if (strcmp(*argv, "-dkeyform") == 0) {
695: if (--argc < 1)
696: goto bad;
697: s_dkey_format = str2fmt(*(++argv));
698: } else if (strcmp(*argv, "-dpass") == 0) {
699: if (--argc < 1)
700: goto bad;
701: dpassarg = *(++argv);
702: } else if (strcmp(*argv, "-dkey") == 0) {
703: if (--argc < 1)
704: goto bad;
705: s_dkey_file = *(++argv);
706: } else if (strcmp(*argv, "-nocert") == 0) {
707: nocert = 1;
708: } else if (strcmp(*argv, "-CApath") == 0) {
709: if (--argc < 1)
710: goto bad;
711: CApath = *(++argv);
712: } else if (strcmp(*argv, "-no_cache") == 0)
713: no_cache = 1;
714: else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
715: if (badarg)
716: goto bad;
717: continue;
718: } else if (strcmp(*argv, "-verify_return_error") == 0)
719: verify_return_error = 1;
720: else if (strcmp(*argv, "-serverpref") == 0) {
721: off |= SSL_OP_CIPHER_SERVER_PREFERENCE;
722: } else if (strcmp(*argv, "-legacy_renegotiation") == 0)
723: ; /* no-op */
724: else if (strcmp(*argv, "-cipher") == 0) {
725: if (--argc < 1)
726: goto bad;
727: cipher = *(++argv);
728: } else if (strcmp(*argv, "-CAfile") == 0) {
729: if (--argc < 1)
730: goto bad;
731: CAfile = *(++argv);
732: }
733: else if (strcmp(*argv, "-nbio") == 0) {
734: s_nbio = 1;
735: }
736: else if (strcmp(*argv, "-nbio_test") == 0) {
737: s_nbio = 1;
738: s_nbio_test = 1;
739: } else if (strcmp(*argv, "-debug") == 0) {
740: s_debug = 1;
741: }
742: else if (strcmp(*argv, "-tlsextdebug") == 0)
743: s_tlsextdebug = 1;
744: else if (strcmp(*argv, "-status") == 0)
745: s_tlsextstatus = 1;
746: else if (strcmp(*argv, "-status_verbose") == 0) {
747: s_tlsextstatus = 1;
748: tlscstatp.verbose = 1;
749: } else if (!strcmp(*argv, "-status_timeout")) {
750: s_tlsextstatus = 1;
751: if (--argc < 1)
752: goto bad;
753: tlscstatp.timeout = strtonum(*(++argv), 0, INT_MAX, &errstr);
754: if (errstr)
755: goto bad;
756: } else if (!strcmp(*argv, "-status_url")) {
757: s_tlsextstatus = 1;
758: if (--argc < 1)
759: goto bad;
760: if (!OCSP_parse_url(*(++argv),
761: &tlscstatp.host,
762: &tlscstatp.port,
763: &tlscstatp.path,
764: &tlscstatp.use_ssl)) {
765: BIO_printf(bio_err, "Error parsing URL\n");
766: goto bad;
767: }
768: }
769: else if (strcmp(*argv, "-msg") == 0) {
770: s_msg = 1;
771: } else if (strcmp(*argv, "-state") == 0) {
772: state = 1;
773: } else if (strcmp(*argv, "-crlf") == 0) {
774: s_crlf = 1;
775: } else if (strcmp(*argv, "-quiet") == 0) {
776: s_quiet = 1;
777: } else if (strcmp(*argv, "-bugs") == 0) {
778: bugs = 1;
779: } else if (strcmp(*argv, "-no_tmp_rsa") == 0) {
1.5 jsing 780: /* No-op. */
1.1 jsing 781: } else if (strcmp(*argv, "-no_dhe") == 0) {
782: no_dhe = 1;
783: } else if (strcmp(*argv, "-no_ecdhe") == 0) {
784: no_ecdhe = 1;
1.5 jsing 785: } else if (strcmp(*argv, "-www") == 0) {
1.1 jsing 786: www = 1;
787: } else if (strcmp(*argv, "-WWW") == 0) {
788: www = 2;
789: } else if (strcmp(*argv, "-HTTP") == 0) {
790: www = 3;
791: } else if (strcmp(*argv, "-no_ssl2") == 0) {
792: off |= SSL_OP_NO_SSLv2;
793: } else if (strcmp(*argv, "-no_ssl3") == 0) {
794: off |= SSL_OP_NO_SSLv3;
795: } else if (strcmp(*argv, "-no_tls1") == 0) {
796: off |= SSL_OP_NO_TLSv1;
797: } else if (strcmp(*argv, "-no_tls1_1") == 0) {
798: off |= SSL_OP_NO_TLSv1_1;
799: } else if (strcmp(*argv, "-no_tls1_2") == 0) {
800: off |= SSL_OP_NO_TLSv1_2;
801: } else if (strcmp(*argv, "-no_comp") == 0) {
802: off |= SSL_OP_NO_COMPRESSION;
1.13 doug 803: } else if (strcmp(*argv, "-no_ticket") == 0) {
1.1 jsing 804: off |= SSL_OP_NO_TICKET;
805: } else if (strcmp(*argv, "-tls1") == 0) {
806: meth = TLSv1_server_method();
807: } else if (strcmp(*argv, "-tls1_1") == 0) {
808: meth = TLSv1_1_server_method();
809: } else if (strcmp(*argv, "-tls1_2") == 0) {
810: meth = TLSv1_2_server_method();
811: }
812: #ifndef OPENSSL_NO_DTLS1
813: else if (strcmp(*argv, "-dtls1") == 0) {
814: meth = DTLSv1_server_method();
815: socket_type = SOCK_DGRAM;
816: } else if (strcmp(*argv, "-timeout") == 0)
817: enable_timeouts = 1;
818: else if (strcmp(*argv, "-mtu") == 0) {
819: if (--argc < 1)
820: goto bad;
821: socket_mtu = strtonum(*(++argv), 0, LONG_MAX, &errstr);
822: if (errstr)
823: goto bad;
824: } else if (strcmp(*argv, "-chain") == 0)
825: cert_chain = 1;
826: #endif
827: else if (strcmp(*argv, "-id_prefix") == 0) {
828: if (--argc < 1)
829: goto bad;
830: session_id_prefix = *(++argv);
831: }
832: else if (strcmp(*argv, "-servername") == 0) {
833: if (--argc < 1)
834: goto bad;
835: tlsextcbp.servername = *(++argv);
836: } else if (strcmp(*argv, "-servername_fatal") == 0) {
837: tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
838: } else if (strcmp(*argv, "-cert2") == 0) {
839: if (--argc < 1)
840: goto bad;
841: s_cert_file2 = *(++argv);
842: } else if (strcmp(*argv, "-key2") == 0) {
843: if (--argc < 1)
844: goto bad;
845: s_key_file2 = *(++argv);
846: }
847: else if (strcmp(*argv, "-nextprotoneg") == 0) {
848: if (--argc < 1)
849: goto bad;
850: next_proto_neg_in = *(++argv);
851: }
1.8 jsing 852: else if (strcmp(*argv,"-alpn") == 0) {
853: if (--argc < 1)
854: goto bad;
855: alpn_in = *(++argv);
856: }
1.1 jsing 857: #ifndef OPENSSL_NO_SRTP
858: else if (strcmp(*argv, "-use_srtp") == 0) {
859: if (--argc < 1)
860: goto bad;
861: srtp_profiles = *(++argv);
862: }
863: #endif
864: else if (strcmp(*argv, "-keymatexport") == 0) {
865: if (--argc < 1)
866: goto bad;
867: keymatexportlabel = *(++argv);
868: } else if (strcmp(*argv, "-keymatexportlen") == 0) {
869: if (--argc < 1)
870: goto bad;
871: keymatexportlen = strtonum(*(++argv), 1, INT_MAX, &errstr);
872: if (errstr)
873: goto bad;
874: } else {
875: BIO_printf(bio_err, "unknown option %s\n", *argv);
876: badop = 1;
877: break;
878: }
879: argc--;
880: argv++;
881: }
882: if (badop) {
883: bad:
884: if (errstr)
885: BIO_printf(bio_err, "invalid argument %s: %s\n",
886: *argv, errstr);
887: else
888: sv_usage();
889: goto end;
890: }
891:
892: if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) {
893: BIO_printf(bio_err, "Error getting password\n");
894: goto end;
895: }
896: if (s_key_file == NULL)
897: s_key_file = s_cert_file;
898: if (s_key_file2 == NULL)
899: s_key_file2 = s_cert_file2;
900:
901: if (nocert == 0) {
1.17 bcook 902: s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass,
1.1 jsing 903: "server certificate private key file");
904: if (!s_key) {
905: ERR_print_errors(bio_err);
906: goto end;
907: }
908: s_cert = load_cert(bio_err, s_cert_file, s_cert_format,
1.17 bcook 909: NULL, "server certificate file");
1.1 jsing 910:
911: if (!s_cert) {
912: ERR_print_errors(bio_err);
913: goto end;
914: }
915: if (tlsextcbp.servername) {
1.17 bcook 916: s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass,
1.1 jsing 917: "second server certificate private key file");
918: if (!s_key2) {
919: ERR_print_errors(bio_err);
920: goto end;
921: }
922: s_cert2 = load_cert(bio_err, s_cert_file2, s_cert_format,
1.17 bcook 923: NULL, "second server certificate file");
1.1 jsing 924:
925: if (!s_cert2) {
926: ERR_print_errors(bio_err);
927: goto end;
928: }
929: }
930: }
931: if (next_proto_neg_in) {
932: unsigned short len;
933: next_proto.data = next_protos_parse(&len, next_proto_neg_in);
934: if (next_proto.data == NULL)
935: goto end;
936: next_proto.len = len;
937: } else {
938: next_proto.data = NULL;
939: }
1.8 jsing 940: alpn_ctx.data = NULL;
941: if (alpn_in) {
942: unsigned short len;
943: alpn_ctx.data = next_protos_parse(&len, alpn_in);
944: if (alpn_ctx.data == NULL)
945: goto end;
946: alpn_ctx.len = len;
947: }
1.1 jsing 948:
949: if (s_dcert_file) {
950:
951: if (s_dkey_file == NULL)
952: s_dkey_file = s_dcert_file;
953:
954: s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1.17 bcook 955: 0, dpass, "second certificate private key file");
1.1 jsing 956: if (!s_dkey) {
957: ERR_print_errors(bio_err);
958: goto end;
959: }
960: s_dcert = load_cert(bio_err, s_dcert_file, s_dcert_format,
1.17 bcook 961: NULL, "second server certificate file");
1.1 jsing 962:
963: if (!s_dcert) {
964: ERR_print_errors(bio_err);
965: goto end;
966: }
967: }
968: if (bio_s_out == NULL) {
969: if (s_quiet && !s_debug && !s_msg) {
970: bio_s_out = BIO_new(BIO_s_null());
971: } else {
972: if (bio_s_out == NULL)
973: bio_s_out = BIO_new_fp(stdout, BIO_NOCLOSE);
974: }
975: }
1.8 jsing 976: if (nocert) {
1.1 jsing 977: s_cert_file = NULL;
978: s_key_file = NULL;
979: s_dcert_file = NULL;
980: s_dkey_file = NULL;
981: s_cert_file2 = NULL;
982: s_key_file2 = NULL;
983: }
984: ctx = SSL_CTX_new(meth);
985: if (ctx == NULL) {
986: ERR_print_errors(bio_err);
987: goto end;
988: }
989: if (session_id_prefix) {
990: if (strlen(session_id_prefix) >= 32)
991: BIO_printf(bio_err,
992: "warning: id_prefix is too long, only one new session will be possible\n");
993: else if (strlen(session_id_prefix) >= 16)
994: BIO_printf(bio_err,
995: "warning: id_prefix is too long if you use SSLv2\n");
996: if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
997: BIO_printf(bio_err, "error setting 'id_prefix'\n");
998: ERR_print_errors(bio_err);
999: goto end;
1000: }
1001: BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1002: }
1003: SSL_CTX_set_quiet_shutdown(ctx, 1);
1004: if (bugs)
1005: SSL_CTX_set_options(ctx, SSL_OP_ALL);
1006: SSL_CTX_set_options(ctx, off);
1007: /*
1008: * DTLS: partial reads end up discarding unread UDP bytes :-( Setting
1009: * read ahead solves this problem.
1010: */
1011: if (socket_type == SOCK_DGRAM)
1012: SSL_CTX_set_read_ahead(ctx, 1);
1013:
1014: if (state)
1015: SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1016: if (no_cache)
1017: SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1018: else
1019: SSL_CTX_sess_set_cache_size(ctx, 128);
1020:
1021: #ifndef OPENSSL_NO_SRTP
1022: if (srtp_profiles != NULL)
1023: SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1024: #endif
1025:
1026:
1027: if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) ||
1028: (!SSL_CTX_set_default_verify_paths(ctx))) {
1029: /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1030: ERR_print_errors(bio_err);
1031: /* goto end; */
1032: }
1033: if (vpm)
1034: SSL_CTX_set1_param(ctx, vpm);
1035:
1036: if (s_cert2) {
1037: ctx2 = SSL_CTX_new(meth);
1038: if (ctx2 == NULL) {
1039: ERR_print_errors(bio_err);
1040: goto end;
1041: }
1042: }
1043: if (ctx2) {
1044: BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1045:
1046: if (session_id_prefix) {
1047: if (strlen(session_id_prefix) >= 32)
1048: BIO_printf(bio_err,
1049: "warning: id_prefix is too long, only one new session will be possible\n");
1050: else if (strlen(session_id_prefix) >= 16)
1051: BIO_printf(bio_err,
1052: "warning: id_prefix is too long if you use SSLv2\n");
1053: if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1054: BIO_printf(bio_err, "error setting 'id_prefix'\n");
1055: ERR_print_errors(bio_err);
1056: goto end;
1057: }
1058: BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1059: }
1060: SSL_CTX_set_quiet_shutdown(ctx2, 1);
1061: if (bugs)
1062: SSL_CTX_set_options(ctx2, SSL_OP_ALL);
1063: SSL_CTX_set_options(ctx2, off);
1064: /*
1065: * DTLS: partial reads end up discarding unread UDP bytes :-(
1066: * Setting read ahead solves this problem.
1067: */
1068: if (socket_type == SOCK_DGRAM)
1069: SSL_CTX_set_read_ahead(ctx2, 1);
1070:
1071: if (state)
1072: SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1073:
1074: if (no_cache)
1075: SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1076: else
1077: SSL_CTX_sess_set_cache_size(ctx2, 128);
1078:
1079: if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) ||
1080: (!SSL_CTX_set_default_verify_paths(ctx2))) {
1081: ERR_print_errors(bio_err);
1082: }
1083: if (vpm)
1084: SSL_CTX_set1_param(ctx2, vpm);
1085: }
1086: if (next_proto.data)
1087: SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1.8 jsing 1088: if (alpn_ctx.data)
1089: SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1.1 jsing 1090:
1091: #ifndef OPENSSL_NO_DH
1092: if (!no_dhe) {
1093: DH *dh = NULL;
1094:
1095: if (dhfile)
1096: dh = load_dh_param(dhfile);
1097: else if (s_cert_file)
1098: dh = load_dh_param(s_cert_file);
1099:
1.4 jsing 1100: if (dh != NULL)
1.1 jsing 1101: BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1.4 jsing 1102: else
1103: BIO_printf(bio_s_out, "Using auto DH parameters\n");
1104: (void) BIO_flush(bio_s_out);
1105:
1106: if (dh == NULL)
1107: SSL_CTX_set_dh_auto(ctx, 1);
1108: else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1109: BIO_printf(bio_err,
1110: "Error setting temp DH parameters\n");
1111: ERR_print_errors(bio_err);
1112: DH_free(dh);
1113: goto end;
1.1 jsing 1114: }
1115:
1116: if (ctx2) {
1117: if (!dhfile) {
1.14 doug 1118: DH *dh2 = NULL;
1119:
1120: if (s_cert_file2 != NULL)
1121: dh2 = load_dh_param(s_cert_file2);
1.1 jsing 1122: if (dh2 != NULL) {
1123: BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1124: (void) BIO_flush(bio_s_out);
1125:
1126: DH_free(dh);
1127: dh = dh2;
1128: }
1129: }
1.4 jsing 1130: if (dh == NULL)
1131: SSL_CTX_set_dh_auto(ctx2, 1);
1132: else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1133: BIO_printf(bio_err,
1134: "Error setting temp DH parameters\n");
1135: ERR_print_errors(bio_err);
1136: DH_free(dh);
1137: goto end;
1138: }
1.1 jsing 1139: }
1140: DH_free(dh);
1141: }
1142: #endif
1143:
1144: if (!no_ecdhe) {
1145: EC_KEY *ecdh = NULL;
1146:
1147: if (named_curve) {
1148: int nid = OBJ_sn2nid(named_curve);
1149:
1150: if (nid == 0) {
1151: BIO_printf(bio_err, "unknown curve name (%s)\n",
1152: named_curve);
1153: goto end;
1154: }
1155: ecdh = EC_KEY_new_by_curve_name(nid);
1156: if (ecdh == NULL) {
1157: BIO_printf(bio_err, "unable to create curve (%s)\n",
1158: named_curve);
1159: goto end;
1160: }
1161: }
1162: if (ecdh != NULL) {
1163: BIO_printf(bio_s_out, "Setting temp ECDH parameters\n");
1164: } else {
1165: BIO_printf(bio_s_out, "Using default temp ECDH parameters\n");
1166: ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1167: if (ecdh == NULL) {
1168: BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1169: goto end;
1170: }
1171: }
1172: (void) BIO_flush(bio_s_out);
1173:
1174: SSL_CTX_set_tmp_ecdh(ctx, ecdh);
1175: if (ctx2)
1176: SSL_CTX_set_tmp_ecdh(ctx2, ecdh);
1177: EC_KEY_free(ecdh);
1178: }
1179:
1180: if (!set_cert_key_stuff(ctx, s_cert, s_key))
1181: goto end;
1182: if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2))
1183: goto end;
1184: if (s_dcert != NULL) {
1185: if (!set_cert_key_stuff(ctx, s_dcert, s_dkey))
1186: goto end;
1187: }
1188:
1189: if (cipher != NULL) {
1190: if (!SSL_CTX_set_cipher_list(ctx, cipher)) {
1191: BIO_printf(bio_err, "error setting cipher list\n");
1192: ERR_print_errors(bio_err);
1193: goto end;
1194: }
1195: if (ctx2 && !SSL_CTX_set_cipher_list(ctx2, cipher)) {
1196: BIO_printf(bio_err, "error setting cipher list\n");
1197: ERR_print_errors(bio_err);
1198: goto end;
1199: }
1200: }
1201: SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
1202: SSL_CTX_set_session_id_context(ctx, (void *) &s_server_session_id_context,
1203: sizeof s_server_session_id_context);
1204:
1205: /* Set DTLS cookie generation and verification callbacks */
1206: SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1207: SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1208:
1209: if (ctx2) {
1210: SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
1211: SSL_CTX_set_session_id_context(ctx2, (void *) &s_server_session_id_context,
1212: sizeof s_server_session_id_context);
1213:
1214: tlsextcbp.biodebug = bio_s_out;
1215: SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1216: SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1217: SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1218: SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1219: }
1220:
1221: if (CAfile != NULL) {
1222: SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
1223: if (ctx2)
1224: SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
1225: }
1226: BIO_printf(bio_s_out, "ACCEPT\n");
1227: (void) BIO_flush(bio_s_out);
1228: if (www)
1229: do_server(port, socket_type, &accept_socket, www_body, context);
1230: else
1231: do_server(port, socket_type, &accept_socket, sv_body, context);
1232: print_stats(bio_s_out, ctx);
1233: ret = 0;
1234: end:
1235: if (ctx != NULL)
1236: SSL_CTX_free(ctx);
1237: if (s_cert)
1238: X509_free(s_cert);
1239: if (s_dcert)
1240: X509_free(s_dcert);
1241: if (s_key)
1242: EVP_PKEY_free(s_key);
1243: if (s_dkey)
1244: EVP_PKEY_free(s_dkey);
1245: free(pass);
1246: free(dpass);
1247: if (vpm)
1248: X509_VERIFY_PARAM_free(vpm);
1249: free(tlscstatp.host);
1250: free(tlscstatp.port);
1251: free(tlscstatp.path);
1252: if (ctx2 != NULL)
1253: SSL_CTX_free(ctx2);
1254: if (s_cert2)
1255: X509_free(s_cert2);
1256: if (s_key2)
1257: EVP_PKEY_free(s_key2);
1.8 jsing 1258: free(next_proto.data);
1259: free(alpn_ctx.data);
1.1 jsing 1260: if (bio_s_out != NULL) {
1261: BIO_free(bio_s_out);
1262: bio_s_out = NULL;
1263: }
1264:
1265: return (ret);
1266: }
1267:
1268: static void
1269: print_stats(BIO * bio, SSL_CTX * ssl_ctx)
1270: {
1271: BIO_printf(bio, "%4ld items in the session cache\n",
1272: SSL_CTX_sess_number(ssl_ctx));
1273: BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
1274: SSL_CTX_sess_connect(ssl_ctx));
1275: BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
1276: SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1277: BIO_printf(bio, "%4ld client connects that finished\n",
1278: SSL_CTX_sess_connect_good(ssl_ctx));
1279: BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
1280: SSL_CTX_sess_accept(ssl_ctx));
1281: BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
1282: SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1283: BIO_printf(bio, "%4ld server accepts that finished\n",
1284: SSL_CTX_sess_accept_good(ssl_ctx));
1285: BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
1286: BIO_printf(bio, "%4ld session cache misses\n", SSL_CTX_sess_misses(ssl_ctx));
1287: BIO_printf(bio, "%4ld session cache timeouts\n", SSL_CTX_sess_timeouts(ssl_ctx));
1288: BIO_printf(bio, "%4ld callback cache hits\n", SSL_CTX_sess_cb_hits(ssl_ctx));
1289: BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
1290: SSL_CTX_sess_cache_full(ssl_ctx),
1291: SSL_CTX_sess_get_cache_size(ssl_ctx));
1292: }
1293:
1294: static int
1295: sv_body(char *hostname, int s, unsigned char *context)
1296: {
1297: char *buf = NULL;
1.7 deraadt 1298: int ret = 1;
1.1 jsing 1299: int k, i;
1300: unsigned long l;
1301: SSL *con = NULL;
1302: BIO *sbio;
1303: struct timeval timeout;
1304:
1305: if ((buf = malloc(bufsize)) == NULL) {
1306: BIO_printf(bio_err, "out of memory\n");
1307: goto err;
1308: }
1309: if (s_nbio) {
1310: if (!s_quiet)
1311: BIO_printf(bio_err, "turning on non blocking io\n");
1.2 bcook 1312: if (!BIO_socket_nbio(s, 1))
1.1 jsing 1313: ERR_print_errors(bio_err);
1314: }
1315:
1316: if (con == NULL) {
1317: con = SSL_new(ctx);
1318: if (s_tlsextdebug) {
1319: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1320: SSL_set_tlsext_debug_arg(con, bio_s_out);
1321: }
1322: if (s_tlsextstatus) {
1323: SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1324: tlscstatp.err = bio_err;
1325: SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1326: }
1327: if (context)
1328: SSL_set_session_id_context(con, context,
1329: strlen((char *) context));
1330: }
1331: SSL_clear(con);
1332:
1333: if (SSL_version(con) == DTLS1_VERSION) {
1334:
1335: sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1336:
1337: if (enable_timeouts) {
1338: timeout.tv_sec = 0;
1339: timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1340: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1341:
1342: timeout.tv_sec = 0;
1343: timeout.tv_usec = DGRAM_SND_TIMEOUT;
1344: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1345: }
1346: if (socket_mtu > 28) {
1347: SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1348: SSL_set_mtu(con, socket_mtu - 28);
1349: } else
1350: /* want to do MTU discovery */
1351: BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1352:
1353: /* turn on cookie exchange */
1354: SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
1355: } else
1356: sbio = BIO_new_socket(s, BIO_NOCLOSE);
1357:
1358: if (s_nbio_test) {
1359: BIO *test;
1360:
1361: test = BIO_new(BIO_f_nbio_test());
1362: sbio = BIO_push(test, sbio);
1363: }
1364:
1365: SSL_set_bio(con, sbio, sbio);
1366: SSL_set_accept_state(con);
1367: /* SSL_set_fd(con,s); */
1368:
1369: if (s_debug) {
1370: SSL_set_debug(con, 1);
1371: BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
1372: BIO_set_callback_arg(SSL_get_rbio(con), (char *) bio_s_out);
1373: }
1374: if (s_msg) {
1375: SSL_set_msg_callback(con, msg_cb);
1376: SSL_set_msg_callback_arg(con, bio_s_out);
1377: }
1378: if (s_tlsextdebug) {
1379: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1380: SSL_set_tlsext_debug_arg(con, bio_s_out);
1381: }
1382:
1383: for (;;) {
1384: int read_from_terminal;
1385: int read_from_sslcon;
1.7 deraadt 1386: struct pollfd pfd[2];
1387: int ptimeout;
1.1 jsing 1388:
1389: read_from_terminal = 0;
1390: read_from_sslcon = SSL_pending(con);
1391:
1392: if (!read_from_sslcon) {
1.7 deraadt 1393: pfd[0].fd = fileno(stdin);
1394: pfd[0].events = POLLIN;
1395: pfd[1].fd = s;
1396: pfd[1].events = POLLIN;
1397:
1.1 jsing 1398: if ((SSL_version(con) == DTLS1_VERSION) &&
1399: DTLSv1_get_timeout(con, &timeout))
1.7 deraadt 1400: ptimeout = timeout.tv_sec * 1000 +
1401: timeout.tv_usec / 1000;
1.1 jsing 1402: else
1.7 deraadt 1403: ptimeout = -1;
1.1 jsing 1404:
1.7 deraadt 1405: i = poll(pfd, 2, ptimeout);
1.1 jsing 1406:
1407: if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) {
1408: BIO_printf(bio_err, "TIMEOUT occured\n");
1409: }
1410: if (i <= 0)
1411: continue;
1.7 deraadt 1412: if (pfd[0].revents) {
1413: if ((pfd[0].revents & (POLLERR|POLLNVAL)))
1414: continue;
1.1 jsing 1415: read_from_terminal = 1;
1.7 deraadt 1416: }
1417: if (pfd[1].revents) {
1418: if ((pfd[1].revents & (POLLERR|POLLNVAL)))
1419: continue;
1.1 jsing 1420: read_from_sslcon = 1;
1.7 deraadt 1421: }
1.1 jsing 1422: }
1423: if (read_from_terminal) {
1424: if (s_crlf) {
1425: int j, lf_num;
1426:
1427: i = read(fileno(stdin), buf, bufsize / 2);
1428: lf_num = 0;
1429: /* both loops are skipped when i <= 0 */
1430: for (j = 0; j < i; j++)
1431: if (buf[j] == '\n')
1432: lf_num++;
1433: for (j = i - 1; j >= 0; j--) {
1434: buf[j + lf_num] = buf[j];
1435: if (buf[j] == '\n') {
1436: lf_num--;
1437: i++;
1438: buf[j + lf_num] = '\r';
1439: }
1440: }
1441: assert(lf_num == 0);
1442: } else
1443: i = read(fileno(stdin), buf, bufsize);
1444: if (!s_quiet) {
1445: if ((i <= 0) || (buf[0] == 'Q')) {
1446: BIO_printf(bio_s_out, "DONE\n");
1447: shutdown(s, SHUT_RD);
1448: close(s);
1449: close_accept_socket();
1450: ret = -11;
1451: goto err;
1452: }
1453: if ((i <= 0) || (buf[0] == 'q')) {
1454: BIO_printf(bio_s_out, "DONE\n");
1455: if (SSL_version(con) != DTLS1_VERSION) {
1456: shutdown(s, SHUT_RD);
1457: close(s);
1458: }
1459: /*
1460: * close_accept_socket(); ret= -11;
1461: */
1462: goto err;
1463: }
1464: if ((buf[0] == 'r') &&
1465: ((buf[1] == '\n') || (buf[1] == '\r'))) {
1466: SSL_renegotiate(con);
1467: i = SSL_do_handshake(con);
1468: printf("SSL_do_handshake -> %d\n", i);
1469: i = 0; /* 13; */
1470: continue;
1471: /*
1472: * RE-NEGOTIATE\n");
1473: */
1474: }
1475: if ((buf[0] == 'R') &&
1476: ((buf[1] == '\n') || (buf[1] == '\r'))) {
1477: SSL_set_verify(con,
1478: SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, NULL);
1479: SSL_renegotiate(con);
1480: i = SSL_do_handshake(con);
1481: printf("SSL_do_handshake -> %d\n", i);
1482: i = 0; /* 13; */
1483: continue;
1484: /*
1485: * RE-NEGOTIATE asking for client
1486: * cert\n");
1487: */
1488: }
1489: if (buf[0] == 'P') {
1490: static const char *str = "Lets print some clear text\n";
1491: BIO_write(SSL_get_wbio(con), str, strlen(str));
1492: }
1493: if (buf[0] == 'S') {
1494: print_stats(bio_s_out, SSL_get_SSL_CTX(con));
1495: }
1496: }
1497: l = k = 0;
1498: for (;;) {
1499: /* should do a select for the write */
1500: #ifdef RENEG
1501: {
1502: static count = 0;
1503: if (++count == 100) {
1504: count = 0;
1505: SSL_renegotiate(con);
1506: }
1507: }
1508: #endif
1509: k = SSL_write(con, &(buf[l]), (unsigned int) i);
1510: switch (SSL_get_error(con, k)) {
1511: case SSL_ERROR_NONE:
1512: break;
1513: case SSL_ERROR_WANT_WRITE:
1514: case SSL_ERROR_WANT_READ:
1515: case SSL_ERROR_WANT_X509_LOOKUP:
1516: BIO_printf(bio_s_out, "Write BLOCK\n");
1517: break;
1518: case SSL_ERROR_SYSCALL:
1519: case SSL_ERROR_SSL:
1520: BIO_printf(bio_s_out, "ERROR\n");
1521: ERR_print_errors(bio_err);
1522: ret = 1;
1523: goto err;
1524: /* break; */
1525: case SSL_ERROR_ZERO_RETURN:
1526: BIO_printf(bio_s_out, "DONE\n");
1527: ret = 1;
1528: goto err;
1529: }
1530: l += k;
1531: i -= k;
1532: if (i <= 0)
1533: break;
1534: }
1535: }
1536: if (read_from_sslcon) {
1537: if (!SSL_is_init_finished(con)) {
1538: i = init_ssl_connection(con);
1539:
1540: if (i < 0) {
1541: ret = 0;
1542: goto err;
1543: } else if (i == 0) {
1544: ret = 1;
1545: goto err;
1546: }
1547: } else {
1548: again:
1549: i = SSL_read(con, (char *) buf, bufsize);
1550: switch (SSL_get_error(con, i)) {
1551: case SSL_ERROR_NONE: {
1552: int len, n;
1553: for (len = 0; len < i;) {
1554: do {
1555: n = write(fileno(stdout), buf + len, i - len);
1556: } while (n == -1 && errno == EINTR);
1557:
1558: if (n < 0) {
1559: BIO_printf(bio_s_out, "ERROR\n");
1560: goto err;
1561: }
1562: len += n;
1563: }
1564: }
1565: if (SSL_pending(con))
1566: goto again;
1567: break;
1568: case SSL_ERROR_WANT_WRITE:
1569: case SSL_ERROR_WANT_READ:
1570: BIO_printf(bio_s_out, "Read BLOCK\n");
1571: break;
1572: case SSL_ERROR_SYSCALL:
1573: case SSL_ERROR_SSL:
1574: BIO_printf(bio_s_out, "ERROR\n");
1575: ERR_print_errors(bio_err);
1576: ret = 1;
1577: goto err;
1578: case SSL_ERROR_ZERO_RETURN:
1579: BIO_printf(bio_s_out, "DONE\n");
1580: ret = 1;
1581: goto err;
1582: }
1583: }
1584: }
1585: }
1586: err:
1587: if (con != NULL) {
1588: BIO_printf(bio_s_out, "shutting down SSL\n");
1589: SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
1590: SSL_free(con);
1591: }
1592: BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
1593: if (buf != NULL) {
1.16 jsing 1594: explicit_bzero(buf, bufsize);
1.1 jsing 1595: free(buf);
1596: }
1597: if (ret >= 0)
1598: BIO_printf(bio_s_out, "ACCEPT\n");
1599: return (ret);
1600: }
1601:
1602: static void
1603: close_accept_socket(void)
1604: {
1605: BIO_printf(bio_err, "shutdown accept socket\n");
1606: if (accept_socket >= 0) {
1607: shutdown(accept_socket, SHUT_RDWR);
1608: close(accept_socket);
1609: }
1610: }
1611:
1612: static int
1613: init_ssl_connection(SSL * con)
1614: {
1615: int i;
1616: const char *str;
1617: X509 *peer;
1618: long verify_error;
1619: char buf[BUFSIZ];
1620: const unsigned char *next_proto_neg;
1621: unsigned next_proto_neg_len;
1622: unsigned char *exportedkeymat;
1623:
1624: i = SSL_accept(con);
1625: if (i <= 0) {
1626: if (BIO_sock_should_retry(i)) {
1627: BIO_printf(bio_s_out, "DELAY\n");
1628: return (1);
1629: }
1630: BIO_printf(bio_err, "ERROR\n");
1631: verify_error = SSL_get_verify_result(con);
1632: if (verify_error != X509_V_OK) {
1633: BIO_printf(bio_err, "verify error:%s\n",
1634: X509_verify_cert_error_string(verify_error));
1635: } else
1636: ERR_print_errors(bio_err);
1637: return (0);
1638: }
1639: PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
1640:
1641: peer = SSL_get_peer_certificate(con);
1642: if (peer != NULL) {
1643: BIO_printf(bio_s_out, "Client certificate\n");
1644: PEM_write_bio_X509(bio_s_out, peer);
1645: X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
1646: BIO_printf(bio_s_out, "subject=%s\n", buf);
1647: X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
1648: BIO_printf(bio_s_out, "issuer=%s\n", buf);
1649: X509_free(peer);
1650: }
1651: if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
1652: BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
1653: str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1654: BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
1655:
1656: SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
1657: if (next_proto_neg) {
1658: BIO_printf(bio_s_out, "NEXTPROTO is ");
1659: BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
1660: BIO_printf(bio_s_out, "\n");
1661: }
1662: #ifndef OPENSSL_NO_SRTP
1663: {
1664: SRTP_PROTECTION_PROFILE *srtp_profile
1665: = SSL_get_selected_srtp_profile(con);
1666:
1667: if (srtp_profile)
1668: BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
1669: srtp_profile->name);
1670: }
1671: #endif
1672: if (SSL_cache_hit(con))
1673: BIO_printf(bio_s_out, "Reused session-id\n");
1674: BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
1675: SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
1676: if (keymatexportlabel != NULL) {
1677: BIO_printf(bio_s_out, "Keying material exporter:\n");
1678: BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
1679: BIO_printf(bio_s_out, " Length: %i bytes\n",
1680: keymatexportlen);
1681: exportedkeymat = malloc(keymatexportlen);
1682: if (exportedkeymat != NULL) {
1683: if (!SSL_export_keying_material(con, exportedkeymat,
1684: keymatexportlen,
1685: keymatexportlabel,
1686: strlen(keymatexportlabel),
1687: NULL, 0, 0)) {
1688: BIO_printf(bio_s_out, " Error\n");
1689: } else {
1690: BIO_printf(bio_s_out, " Keying material: ");
1691: for (i = 0; i < keymatexportlen; i++)
1692: BIO_printf(bio_s_out, "%02X",
1693: exportedkeymat[i]);
1694: BIO_printf(bio_s_out, "\n");
1695: }
1696: free(exportedkeymat);
1697: }
1698: }
1699: return (1);
1700: }
1701:
1702: #ifndef OPENSSL_NO_DH
1703: static DH *
1704: load_dh_param(const char *dhfile)
1705: {
1706: DH *ret = NULL;
1707: BIO *bio;
1708:
1709: if ((bio = BIO_new_file(dhfile, "r")) == NULL)
1710: goto err;
1711: ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
1712: err:
1713: BIO_free(bio);
1714: return (ret);
1715: }
1716: #endif
1717:
1718: static int
1719: www_body(char *hostname, int s, unsigned char *context)
1720: {
1721: char *buf = NULL;
1722: int ret = 1;
1723: int i, j, k, dot;
1724: SSL *con;
1725: const SSL_CIPHER *c;
1726: BIO *io, *ssl_bio, *sbio;
1727:
1728: buf = malloc(bufsize);
1729: if (buf == NULL)
1730: return (0);
1731: io = BIO_new(BIO_f_buffer());
1732: ssl_bio = BIO_new(BIO_f_ssl());
1733: if ((io == NULL) || (ssl_bio == NULL))
1734: goto err;
1735:
1736: if (s_nbio) {
1737: if (!s_quiet)
1738: BIO_printf(bio_err, "turning on non blocking io\n");
1.2 bcook 1739: if (!BIO_socket_nbio(s, 1))
1.1 jsing 1740: ERR_print_errors(bio_err);
1741: }
1742:
1743: /* lets make the output buffer a reasonable size */
1744: if (!BIO_set_write_buffer_size(io, bufsize))
1745: goto err;
1746:
1747: if ((con = SSL_new(ctx)) == NULL)
1748: goto err;
1749: if (s_tlsextdebug) {
1750: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1751: SSL_set_tlsext_debug_arg(con, bio_s_out);
1752: }
1753: if (context)
1754: SSL_set_session_id_context(con, context,
1755: strlen((char *) context));
1756:
1757: sbio = BIO_new_socket(s, BIO_NOCLOSE);
1758: if (s_nbio_test) {
1759: BIO *test;
1760:
1761: test = BIO_new(BIO_f_nbio_test());
1762: sbio = BIO_push(test, sbio);
1763: }
1764: SSL_set_bio(con, sbio, sbio);
1765: SSL_set_accept_state(con);
1766:
1767: /* SSL_set_fd(con,s); */
1768: BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
1769: BIO_push(io, ssl_bio);
1770:
1771: if (s_debug) {
1772: SSL_set_debug(con, 1);
1773: BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
1774: BIO_set_callback_arg(SSL_get_rbio(con), (char *) bio_s_out);
1775: }
1776: if (s_msg) {
1777: SSL_set_msg_callback(con, msg_cb);
1778: SSL_set_msg_callback_arg(con, bio_s_out);
1779: }
1780: for (;;) {
1781: i = BIO_gets(io, buf, bufsize - 1);
1782: if (i < 0) { /* error */
1783: if (!BIO_should_retry(io)) {
1784: if (!s_quiet)
1785: ERR_print_errors(bio_err);
1786: goto err;
1787: } else {
1788: BIO_printf(bio_s_out, "read R BLOCK\n");
1789: sleep(1);
1790: continue;
1791: }
1792: } else if (i == 0) { /* end of input */
1793: ret = 1;
1794: goto end;
1795: }
1796: /* else we have data */
1797: if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
1798: ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
1799: char *p;
1800: X509 *peer;
1801: STACK_OF(SSL_CIPHER) * sk;
1802: static const char *space = " ";
1803:
1804: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1805: BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1806: BIO_puts(io, "<pre>\n");
1807: /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1808: BIO_puts(io, "\n");
1809: for (i = 0; i < local_argc; i++) {
1810: BIO_puts(io, local_argv[i]);
1811: BIO_write(io, " ", 1);
1812: }
1813: BIO_puts(io, "\n");
1814:
1815: BIO_printf(io,
1816: "Secure Renegotiation IS%s supported\n",
1817: SSL_get_secure_renegotiation_support(con) ?
1818: "" : " NOT");
1819:
1820: /*
1821: * The following is evil and should not really be
1822: * done
1823: */
1824: BIO_printf(io, "Ciphers supported in s_server binary\n");
1825: sk = SSL_get_ciphers(con);
1826: j = sk_SSL_CIPHER_num(sk);
1827: for (i = 0; i < j; i++) {
1828: c = sk_SSL_CIPHER_value(sk, i);
1829: BIO_printf(io, "%-11s:%-25s",
1830: SSL_CIPHER_get_version(c),
1831: SSL_CIPHER_get_name(c));
1832: if ((((i + 1) % 2) == 0) && (i + 1 != j))
1833: BIO_puts(io, "\n");
1834: }
1835: BIO_puts(io, "\n");
1836: p = SSL_get_shared_ciphers(con, buf, bufsize);
1837: if (p != NULL) {
1838: BIO_printf(io, "---\nCiphers common between both SSL end points:\n");
1839: j = i = 0;
1840: while (*p) {
1841: if (*p == ':') {
1842: BIO_write(io, space, 26 - j);
1843: i++;
1844: j = 0;
1845: BIO_write(io, ((i % 3) ? " " : "\n"), 1);
1846: } else {
1847: BIO_write(io, p, 1);
1848: j++;
1849: }
1850: p++;
1851: }
1852: BIO_puts(io, "\n");
1853: }
1854: BIO_printf(io, (SSL_cache_hit(con)
1855: ? "---\nReused, "
1856: : "---\nNew, "));
1857: c = SSL_get_current_cipher(con);
1858: BIO_printf(io, "%s, Cipher is %s\n",
1859: SSL_CIPHER_get_version(c),
1860: SSL_CIPHER_get_name(c));
1861: SSL_SESSION_print(io, SSL_get_session(con));
1862: BIO_printf(io, "---\n");
1863: print_stats(io, SSL_get_SSL_CTX(con));
1864: BIO_printf(io, "---\n");
1865: peer = SSL_get_peer_certificate(con);
1866: if (peer != NULL) {
1867: BIO_printf(io, "Client certificate\n");
1868: X509_print(io, peer);
1869: PEM_write_bio_X509(io, peer);
1870: } else
1871: BIO_puts(io, "no client certificate available\n");
1872: BIO_puts(io, "</BODY></HTML>\r\n\r\n");
1873: break;
1874: } else if ((www == 2 || www == 3)
1875: && (strncmp("GET /", buf, 5) == 0)) {
1876: BIO *file;
1877: char *p, *e;
1878: static const char *text = "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1879:
1880: /* skip the '/' */
1881: p = &(buf[5]);
1882:
1883: dot = 1;
1884: for (e = p; *e != '\0'; e++) {
1885: if (e[0] == ' ')
1886: break;
1887:
1888: switch (dot) {
1889: case 1:
1890: dot = (e[0] == '.') ? 2 : 0;
1891: break;
1892: case 2:
1893: dot = (e[0] == '.') ? 3 : 0;
1894: break;
1895: case 3:
1896: dot = (e[0] == '/') ? -1 : 0;
1897: break;
1898: }
1899: if (dot == 0)
1900: dot = (e[0] == '/') ? 1 : 0;
1901: }
1902: dot = (dot == 3) || (dot == -1); /* filename contains
1903: * ".." component */
1904:
1905: if (*e == '\0') {
1906: BIO_puts(io, text);
1907: BIO_printf(io, "'%s' is an invalid file name\r\n", p);
1908: break;
1909: }
1910: *e = '\0';
1911:
1912: if (dot) {
1913: BIO_puts(io, text);
1914: BIO_printf(io, "'%s' contains '..' reference\r\n", p);
1915: break;
1916: }
1917: if (*p == '/') {
1918: BIO_puts(io, text);
1919: BIO_printf(io, "'%s' is an invalid path\r\n", p);
1920: break;
1921: }
1922: /* if a directory, do the index thang */
1923: if (app_isdir(p) > 0) {
1924: BIO_puts(io, text);
1925: BIO_printf(io, "'%s' is a directory\r\n", p);
1926: break;
1927: }
1928: if ((file = BIO_new_file(p, "r")) == NULL) {
1929: BIO_puts(io, text);
1930: BIO_printf(io, "Error opening '%s'\r\n", p);
1931: ERR_print_errors(io);
1932: break;
1933: }
1934: if (!s_quiet)
1935: BIO_printf(bio_err, "FILE:%s\n", p);
1936:
1937: if (www == 2) {
1938: i = strlen(p);
1939: if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
1940: ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
1941: ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
1942: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1943: else
1944: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1945: }
1946: /* send the file */
1947: for (;;) {
1948: i = BIO_read(file, buf, bufsize);
1949: if (i <= 0)
1950: break;
1951:
1952: #ifdef RENEG
1953: total_bytes += i;
1954: fprintf(stderr, "%d\n", i);
1955: if (total_bytes > 3 * 1024) {
1956: total_bytes = 0;
1957: fprintf(stderr, "RENEGOTIATE\n");
1958: SSL_renegotiate(con);
1959: }
1960: #endif
1961:
1962: for (j = 0; j < i;) {
1963: #ifdef RENEG
1964: {
1965: static count = 0;
1966: if (++count == 13) {
1967: SSL_renegotiate(con);
1968: }
1969: }
1970: #endif
1971: k = BIO_write(io, &(buf[j]), i - j);
1972: if (k <= 0) {
1973: if (!BIO_should_retry(io))
1974: goto write_error;
1975: else {
1976: BIO_printf(bio_s_out, "rwrite W BLOCK\n");
1977: }
1978: } else {
1979: j += k;
1980: }
1981: }
1982: }
1983: write_error:
1984: BIO_free(file);
1985: break;
1986: }
1987: }
1988:
1989: for (;;) {
1990: i = (int) BIO_flush(io);
1991: if (i <= 0) {
1992: if (!BIO_should_retry(io))
1993: break;
1994: } else
1995: break;
1996: }
1997: end:
1998: /* make sure we re-use sessions */
1999: SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2000:
2001: err:
2002:
2003: if (ret >= 0)
2004: BIO_printf(bio_s_out, "ACCEPT\n");
2005:
1.24 mmcc 2006: free(buf);
1.1 jsing 2007: if (io != NULL)
2008: BIO_free_all(io);
2009: /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2010: return (ret);
2011: }
2012:
2013: #define MAX_SESSION_ID_ATTEMPTS 10
2014: static int
2015: generate_session_id(const SSL * ssl, unsigned char *id,
2016: unsigned int *id_len)
2017: {
2018: unsigned int count = 0;
2019: do {
1.3 jsing 2020: arc4random_buf(id, *id_len);
1.1 jsing 2021: /*
2022: * Prefix the session_id with the required prefix. NB: If our
2023: * prefix is too long, clip it - but there will be worse
2024: * effects anyway, eg. the server could only possibly create
2025: * 1 session ID (ie. the prefix!) so all future session
2026: * negotiations will fail due to conflicts.
2027: */
2028: memcpy(id, session_id_prefix,
2029: (strlen(session_id_prefix) < *id_len) ?
2030: strlen(session_id_prefix) : *id_len);
2031: }
2032: while (SSL_has_matching_session_id(ssl, id, *id_len) &&
2033: (++count < MAX_SESSION_ID_ATTEMPTS));
2034: if (count >= MAX_SESSION_ID_ATTEMPTS)
2035: return 0;
2036: return 1;
2037: }