Annotation of src/usr.bin/openssl/s_server.c, Revision 1.19
1.19 ! deraadt 1: /* $OpenBSD: s_server.c,v 1.18 2015/09/11 20:06:35 beck 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 };
1.1 jsing 606: meth = SSLv23_server_method();
607:
608: local_argc = argc;
609: local_argv = argv;
610:
611: s_server_init();
612:
613: verify_depth = 0;
614: s_nbio = 0;
615: s_nbio_test = 0;
616:
617: argc--;
618: argv++;
619:
620: while (argc >= 1) {
621: if ((strcmp(*argv, "-port") == 0) ||
622: (strcmp(*argv, "-accept") == 0)) {
623: if (--argc < 1)
624: goto bad;
625: if (!extract_port(*(++argv), &port))
626: goto bad;
627: } else if (strcmp(*argv, "-verify") == 0) {
628: s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
629: if (--argc < 1)
630: goto bad;
631: verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr);
632: if (errstr)
633: goto bad;
634: BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
635: } else if (strcmp(*argv, "-Verify") == 0) {
636: s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
637: SSL_VERIFY_CLIENT_ONCE;
638: if (--argc < 1)
639: goto bad;
640: verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr);
641: if (errstr)
642: goto bad;
643: BIO_printf(bio_err, "verify depth is %d, must return a certificate\n", verify_depth);
644: } else if (strcmp(*argv, "-context") == 0) {
645: if (--argc < 1)
646: goto bad;
647: context = (unsigned char *) *(++argv);
648: } else if (strcmp(*argv, "-cert") == 0) {
649: if (--argc < 1)
650: goto bad;
651: s_cert_file = *(++argv);
652: } else if (strcmp(*argv, "-certform") == 0) {
653: if (--argc < 1)
654: goto bad;
655: s_cert_format = str2fmt(*(++argv));
656: } else if (strcmp(*argv, "-key") == 0) {
657: if (--argc < 1)
658: goto bad;
659: s_key_file = *(++argv);
660: } else if (strcmp(*argv, "-keyform") == 0) {
661: if (--argc < 1)
662: goto bad;
663: s_key_format = str2fmt(*(++argv));
664: } else if (strcmp(*argv, "-pass") == 0) {
665: if (--argc < 1)
666: goto bad;
667: passarg = *(++argv);
668: } else if (strcmp(*argv, "-dhparam") == 0) {
669: if (--argc < 1)
670: goto bad;
671: dhfile = *(++argv);
672: }
673: else if (strcmp(*argv, "-named_curve") == 0) {
674: if (--argc < 1)
675: goto bad;
676: named_curve = *(++argv);
677: }
678: else if (strcmp(*argv, "-dcertform") == 0) {
679: if (--argc < 1)
680: goto bad;
681: s_dcert_format = str2fmt(*(++argv));
682: } else if (strcmp(*argv, "-dcert") == 0) {
683: if (--argc < 1)
684: goto bad;
685: s_dcert_file = *(++argv);
686: } else if (strcmp(*argv, "-dkeyform") == 0) {
687: if (--argc < 1)
688: goto bad;
689: s_dkey_format = str2fmt(*(++argv));
690: } else if (strcmp(*argv, "-dpass") == 0) {
691: if (--argc < 1)
692: goto bad;
693: dpassarg = *(++argv);
694: } else if (strcmp(*argv, "-dkey") == 0) {
695: if (--argc < 1)
696: goto bad;
697: s_dkey_file = *(++argv);
698: } else if (strcmp(*argv, "-nocert") == 0) {
699: nocert = 1;
700: } else if (strcmp(*argv, "-CApath") == 0) {
701: if (--argc < 1)
702: goto bad;
703: CApath = *(++argv);
704: } else if (strcmp(*argv, "-no_cache") == 0)
705: no_cache = 1;
706: else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
707: if (badarg)
708: goto bad;
709: continue;
710: } else if (strcmp(*argv, "-verify_return_error") == 0)
711: verify_return_error = 1;
712: else if (strcmp(*argv, "-serverpref") == 0) {
713: off |= SSL_OP_CIPHER_SERVER_PREFERENCE;
714: } else if (strcmp(*argv, "-legacy_renegotiation") == 0)
715: ; /* no-op */
716: else if (strcmp(*argv, "-cipher") == 0) {
717: if (--argc < 1)
718: goto bad;
719: cipher = *(++argv);
720: } else if (strcmp(*argv, "-CAfile") == 0) {
721: if (--argc < 1)
722: goto bad;
723: CAfile = *(++argv);
724: }
725: else if (strcmp(*argv, "-nbio") == 0) {
726: s_nbio = 1;
727: }
728: else if (strcmp(*argv, "-nbio_test") == 0) {
729: s_nbio = 1;
730: s_nbio_test = 1;
731: } else if (strcmp(*argv, "-debug") == 0) {
732: s_debug = 1;
733: }
734: else if (strcmp(*argv, "-tlsextdebug") == 0)
735: s_tlsextdebug = 1;
736: else if (strcmp(*argv, "-status") == 0)
737: s_tlsextstatus = 1;
738: else if (strcmp(*argv, "-status_verbose") == 0) {
739: s_tlsextstatus = 1;
740: tlscstatp.verbose = 1;
741: } else if (!strcmp(*argv, "-status_timeout")) {
742: s_tlsextstatus = 1;
743: if (--argc < 1)
744: goto bad;
745: tlscstatp.timeout = strtonum(*(++argv), 0, INT_MAX, &errstr);
746: if (errstr)
747: goto bad;
748: } else if (!strcmp(*argv, "-status_url")) {
749: s_tlsextstatus = 1;
750: if (--argc < 1)
751: goto bad;
752: if (!OCSP_parse_url(*(++argv),
753: &tlscstatp.host,
754: &tlscstatp.port,
755: &tlscstatp.path,
756: &tlscstatp.use_ssl)) {
757: BIO_printf(bio_err, "Error parsing URL\n");
758: goto bad;
759: }
760: }
761: else if (strcmp(*argv, "-msg") == 0) {
762: s_msg = 1;
763: } else if (strcmp(*argv, "-state") == 0) {
764: state = 1;
765: } else if (strcmp(*argv, "-crlf") == 0) {
766: s_crlf = 1;
767: } else if (strcmp(*argv, "-quiet") == 0) {
768: s_quiet = 1;
769: } else if (strcmp(*argv, "-bugs") == 0) {
770: bugs = 1;
771: } else if (strcmp(*argv, "-no_tmp_rsa") == 0) {
1.5 jsing 772: /* No-op. */
1.1 jsing 773: } else if (strcmp(*argv, "-no_dhe") == 0) {
774: no_dhe = 1;
775: } else if (strcmp(*argv, "-no_ecdhe") == 0) {
776: no_ecdhe = 1;
1.5 jsing 777: } else if (strcmp(*argv, "-www") == 0) {
1.1 jsing 778: www = 1;
779: } else if (strcmp(*argv, "-WWW") == 0) {
780: www = 2;
781: } else if (strcmp(*argv, "-HTTP") == 0) {
782: www = 3;
783: } else if (strcmp(*argv, "-no_ssl2") == 0) {
784: off |= SSL_OP_NO_SSLv2;
785: } else if (strcmp(*argv, "-no_ssl3") == 0) {
786: off |= SSL_OP_NO_SSLv3;
787: } else if (strcmp(*argv, "-no_tls1") == 0) {
788: off |= SSL_OP_NO_TLSv1;
789: } else if (strcmp(*argv, "-no_tls1_1") == 0) {
790: off |= SSL_OP_NO_TLSv1_1;
791: } else if (strcmp(*argv, "-no_tls1_2") == 0) {
792: off |= SSL_OP_NO_TLSv1_2;
793: } else if (strcmp(*argv, "-no_comp") == 0) {
794: off |= SSL_OP_NO_COMPRESSION;
1.13 doug 795: } else if (strcmp(*argv, "-no_ticket") == 0) {
1.1 jsing 796: off |= SSL_OP_NO_TICKET;
797: } else if (strcmp(*argv, "-tls1") == 0) {
798: meth = TLSv1_server_method();
799: } else if (strcmp(*argv, "-tls1_1") == 0) {
800: meth = TLSv1_1_server_method();
801: } else if (strcmp(*argv, "-tls1_2") == 0) {
802: meth = TLSv1_2_server_method();
803: }
804: #ifndef OPENSSL_NO_DTLS1
805: else if (strcmp(*argv, "-dtls1") == 0) {
806: meth = DTLSv1_server_method();
807: socket_type = SOCK_DGRAM;
808: } else if (strcmp(*argv, "-timeout") == 0)
809: enable_timeouts = 1;
810: else if (strcmp(*argv, "-mtu") == 0) {
811: if (--argc < 1)
812: goto bad;
813: socket_mtu = strtonum(*(++argv), 0, LONG_MAX, &errstr);
814: if (errstr)
815: goto bad;
816: } else if (strcmp(*argv, "-chain") == 0)
817: cert_chain = 1;
818: #endif
819: else if (strcmp(*argv, "-id_prefix") == 0) {
820: if (--argc < 1)
821: goto bad;
822: session_id_prefix = *(++argv);
823: }
824: else if (strcmp(*argv, "-servername") == 0) {
825: if (--argc < 1)
826: goto bad;
827: tlsextcbp.servername = *(++argv);
828: } else if (strcmp(*argv, "-servername_fatal") == 0) {
829: tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
830: } else if (strcmp(*argv, "-cert2") == 0) {
831: if (--argc < 1)
832: goto bad;
833: s_cert_file2 = *(++argv);
834: } else if (strcmp(*argv, "-key2") == 0) {
835: if (--argc < 1)
836: goto bad;
837: s_key_file2 = *(++argv);
838: }
839: else if (strcmp(*argv, "-nextprotoneg") == 0) {
840: if (--argc < 1)
841: goto bad;
842: next_proto_neg_in = *(++argv);
843: }
1.8 jsing 844: else if (strcmp(*argv,"-alpn") == 0) {
845: if (--argc < 1)
846: goto bad;
847: alpn_in = *(++argv);
848: }
1.1 jsing 849: #ifndef OPENSSL_NO_SRTP
850: else if (strcmp(*argv, "-use_srtp") == 0) {
851: if (--argc < 1)
852: goto bad;
853: srtp_profiles = *(++argv);
854: }
855: #endif
856: else if (strcmp(*argv, "-keymatexport") == 0) {
857: if (--argc < 1)
858: goto bad;
859: keymatexportlabel = *(++argv);
860: } else if (strcmp(*argv, "-keymatexportlen") == 0) {
861: if (--argc < 1)
862: goto bad;
863: keymatexportlen = strtonum(*(++argv), 1, INT_MAX, &errstr);
864: if (errstr)
865: goto bad;
866: } else {
867: BIO_printf(bio_err, "unknown option %s\n", *argv);
868: badop = 1;
869: break;
870: }
871: argc--;
872: argv++;
873: }
874: if (badop) {
875: bad:
876: if (errstr)
877: BIO_printf(bio_err, "invalid argument %s: %s\n",
878: *argv, errstr);
879: else
880: sv_usage();
881: goto end;
882: }
883:
884: if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) {
885: BIO_printf(bio_err, "Error getting password\n");
886: goto end;
887: }
888: if (s_key_file == NULL)
889: s_key_file = s_cert_file;
890: if (s_key_file2 == NULL)
891: s_key_file2 = s_cert_file2;
892:
893: if (nocert == 0) {
1.17 bcook 894: s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass,
1.1 jsing 895: "server certificate private key file");
896: if (!s_key) {
897: ERR_print_errors(bio_err);
898: goto end;
899: }
900: s_cert = load_cert(bio_err, s_cert_file, s_cert_format,
1.17 bcook 901: NULL, "server certificate file");
1.1 jsing 902:
903: if (!s_cert) {
904: ERR_print_errors(bio_err);
905: goto end;
906: }
907: if (tlsextcbp.servername) {
1.17 bcook 908: s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass,
1.1 jsing 909: "second server certificate private key file");
910: if (!s_key2) {
911: ERR_print_errors(bio_err);
912: goto end;
913: }
914: s_cert2 = load_cert(bio_err, s_cert_file2, s_cert_format,
1.17 bcook 915: NULL, "second server certificate file");
1.1 jsing 916:
917: if (!s_cert2) {
918: ERR_print_errors(bio_err);
919: goto end;
920: }
921: }
922: }
923: if (next_proto_neg_in) {
924: unsigned short len;
925: next_proto.data = next_protos_parse(&len, next_proto_neg_in);
926: if (next_proto.data == NULL)
927: goto end;
928: next_proto.len = len;
929: } else {
930: next_proto.data = NULL;
931: }
1.8 jsing 932: alpn_ctx.data = NULL;
933: if (alpn_in) {
934: unsigned short len;
935: alpn_ctx.data = next_protos_parse(&len, alpn_in);
936: if (alpn_ctx.data == NULL)
937: goto end;
938: alpn_ctx.len = len;
939: }
1.1 jsing 940:
941: if (s_dcert_file) {
942:
943: if (s_dkey_file == NULL)
944: s_dkey_file = s_dcert_file;
945:
946: s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1.17 bcook 947: 0, dpass, "second certificate private key file");
1.1 jsing 948: if (!s_dkey) {
949: ERR_print_errors(bio_err);
950: goto end;
951: }
952: s_dcert = load_cert(bio_err, s_dcert_file, s_dcert_format,
1.17 bcook 953: NULL, "second server certificate file");
1.1 jsing 954:
955: if (!s_dcert) {
956: ERR_print_errors(bio_err);
957: goto end;
958: }
959: }
960: if (bio_s_out == NULL) {
961: if (s_quiet && !s_debug && !s_msg) {
962: bio_s_out = BIO_new(BIO_s_null());
963: } else {
964: if (bio_s_out == NULL)
965: bio_s_out = BIO_new_fp(stdout, BIO_NOCLOSE);
966: }
967: }
1.8 jsing 968: if (nocert) {
1.1 jsing 969: s_cert_file = NULL;
970: s_key_file = NULL;
971: s_dcert_file = NULL;
972: s_dkey_file = NULL;
973: s_cert_file2 = NULL;
974: s_key_file2 = NULL;
975: }
976: ctx = SSL_CTX_new(meth);
977: if (ctx == NULL) {
978: ERR_print_errors(bio_err);
979: goto end;
980: }
981: if (session_id_prefix) {
982: if (strlen(session_id_prefix) >= 32)
983: BIO_printf(bio_err,
984: "warning: id_prefix is too long, only one new session will be possible\n");
985: else if (strlen(session_id_prefix) >= 16)
986: BIO_printf(bio_err,
987: "warning: id_prefix is too long if you use SSLv2\n");
988: if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
989: BIO_printf(bio_err, "error setting 'id_prefix'\n");
990: ERR_print_errors(bio_err);
991: goto end;
992: }
993: BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
994: }
995: SSL_CTX_set_quiet_shutdown(ctx, 1);
996: if (bugs)
997: SSL_CTX_set_options(ctx, SSL_OP_ALL);
998: SSL_CTX_set_options(ctx, off);
999: /*
1000: * DTLS: partial reads end up discarding unread UDP bytes :-( Setting
1001: * read ahead solves this problem.
1002: */
1003: if (socket_type == SOCK_DGRAM)
1004: SSL_CTX_set_read_ahead(ctx, 1);
1005:
1006: if (state)
1007: SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1008: if (no_cache)
1009: SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1010: else
1011: SSL_CTX_sess_set_cache_size(ctx, 128);
1012:
1013: #ifndef OPENSSL_NO_SRTP
1014: if (srtp_profiles != NULL)
1015: SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1016: #endif
1017:
1018:
1019: if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) ||
1020: (!SSL_CTX_set_default_verify_paths(ctx))) {
1021: /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1022: ERR_print_errors(bio_err);
1023: /* goto end; */
1024: }
1025: if (vpm)
1026: SSL_CTX_set1_param(ctx, vpm);
1027:
1028: if (s_cert2) {
1029: ctx2 = SSL_CTX_new(meth);
1030: if (ctx2 == NULL) {
1031: ERR_print_errors(bio_err);
1032: goto end;
1033: }
1034: }
1035: if (ctx2) {
1036: BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1037:
1038: if (session_id_prefix) {
1039: if (strlen(session_id_prefix) >= 32)
1040: BIO_printf(bio_err,
1041: "warning: id_prefix is too long, only one new session will be possible\n");
1042: else if (strlen(session_id_prefix) >= 16)
1043: BIO_printf(bio_err,
1044: "warning: id_prefix is too long if you use SSLv2\n");
1045: if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1046: BIO_printf(bio_err, "error setting 'id_prefix'\n");
1047: ERR_print_errors(bio_err);
1048: goto end;
1049: }
1050: BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1051: }
1052: SSL_CTX_set_quiet_shutdown(ctx2, 1);
1053: if (bugs)
1054: SSL_CTX_set_options(ctx2, SSL_OP_ALL);
1055: SSL_CTX_set_options(ctx2, off);
1056: /*
1057: * DTLS: partial reads end up discarding unread UDP bytes :-(
1058: * Setting read ahead solves this problem.
1059: */
1060: if (socket_type == SOCK_DGRAM)
1061: SSL_CTX_set_read_ahead(ctx2, 1);
1062:
1063: if (state)
1064: SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1065:
1066: if (no_cache)
1067: SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1068: else
1069: SSL_CTX_sess_set_cache_size(ctx2, 128);
1070:
1071: if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) ||
1072: (!SSL_CTX_set_default_verify_paths(ctx2))) {
1073: ERR_print_errors(bio_err);
1074: }
1075: if (vpm)
1076: SSL_CTX_set1_param(ctx2, vpm);
1077: }
1078: if (next_proto.data)
1079: SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1.8 jsing 1080: if (alpn_ctx.data)
1081: SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1.1 jsing 1082:
1083: #ifndef OPENSSL_NO_DH
1084: if (!no_dhe) {
1085: DH *dh = NULL;
1086:
1087: if (dhfile)
1088: dh = load_dh_param(dhfile);
1089: else if (s_cert_file)
1090: dh = load_dh_param(s_cert_file);
1091:
1.4 jsing 1092: if (dh != NULL)
1.1 jsing 1093: BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1.4 jsing 1094: else
1095: BIO_printf(bio_s_out, "Using auto DH parameters\n");
1096: (void) BIO_flush(bio_s_out);
1097:
1098: if (dh == NULL)
1099: SSL_CTX_set_dh_auto(ctx, 1);
1100: else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1101: BIO_printf(bio_err,
1102: "Error setting temp DH parameters\n");
1103: ERR_print_errors(bio_err);
1104: DH_free(dh);
1105: goto end;
1.1 jsing 1106: }
1107:
1108: if (ctx2) {
1109: if (!dhfile) {
1.14 doug 1110: DH *dh2 = NULL;
1111:
1112: if (s_cert_file2 != NULL)
1113: dh2 = load_dh_param(s_cert_file2);
1.1 jsing 1114: if (dh2 != NULL) {
1115: BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1116: (void) BIO_flush(bio_s_out);
1117:
1118: DH_free(dh);
1119: dh = dh2;
1120: }
1121: }
1.4 jsing 1122: if (dh == NULL)
1123: SSL_CTX_set_dh_auto(ctx2, 1);
1124: else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1125: BIO_printf(bio_err,
1126: "Error setting temp DH parameters\n");
1127: ERR_print_errors(bio_err);
1128: DH_free(dh);
1129: goto end;
1130: }
1.1 jsing 1131: }
1132: DH_free(dh);
1133: }
1134: #endif
1135:
1136: if (!no_ecdhe) {
1137: EC_KEY *ecdh = NULL;
1138:
1139: if (named_curve) {
1140: int nid = OBJ_sn2nid(named_curve);
1141:
1142: if (nid == 0) {
1143: BIO_printf(bio_err, "unknown curve name (%s)\n",
1144: named_curve);
1145: goto end;
1146: }
1147: ecdh = EC_KEY_new_by_curve_name(nid);
1148: if (ecdh == NULL) {
1149: BIO_printf(bio_err, "unable to create curve (%s)\n",
1150: named_curve);
1151: goto end;
1152: }
1153: }
1154: if (ecdh != NULL) {
1155: BIO_printf(bio_s_out, "Setting temp ECDH parameters\n");
1156: } else {
1157: BIO_printf(bio_s_out, "Using default temp ECDH parameters\n");
1158: ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1159: if (ecdh == NULL) {
1160: BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1161: goto end;
1162: }
1163: }
1164: (void) BIO_flush(bio_s_out);
1165:
1166: SSL_CTX_set_tmp_ecdh(ctx, ecdh);
1167: if (ctx2)
1168: SSL_CTX_set_tmp_ecdh(ctx2, ecdh);
1169: EC_KEY_free(ecdh);
1170: }
1171:
1172: if (!set_cert_key_stuff(ctx, s_cert, s_key))
1173: goto end;
1174: if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2))
1175: goto end;
1176: if (s_dcert != NULL) {
1177: if (!set_cert_key_stuff(ctx, s_dcert, s_dkey))
1178: goto end;
1179: }
1180:
1181: if (cipher != NULL) {
1182: if (!SSL_CTX_set_cipher_list(ctx, cipher)) {
1183: BIO_printf(bio_err, "error setting cipher list\n");
1184: ERR_print_errors(bio_err);
1185: goto end;
1186: }
1187: if (ctx2 && !SSL_CTX_set_cipher_list(ctx2, cipher)) {
1188: BIO_printf(bio_err, "error setting cipher list\n");
1189: ERR_print_errors(bio_err);
1190: goto end;
1191: }
1192: }
1193: SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
1194: SSL_CTX_set_session_id_context(ctx, (void *) &s_server_session_id_context,
1195: sizeof s_server_session_id_context);
1196:
1197: /* Set DTLS cookie generation and verification callbacks */
1198: SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1199: SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1200:
1201: if (ctx2) {
1202: SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
1203: SSL_CTX_set_session_id_context(ctx2, (void *) &s_server_session_id_context,
1204: sizeof s_server_session_id_context);
1205:
1206: tlsextcbp.biodebug = bio_s_out;
1207: SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1208: SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1209: SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1210: SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1211: }
1212:
1213: if (CAfile != NULL) {
1214: SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
1215: if (ctx2)
1216: SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
1217: }
1218: BIO_printf(bio_s_out, "ACCEPT\n");
1219: (void) BIO_flush(bio_s_out);
1220: if (www)
1221: do_server(port, socket_type, &accept_socket, www_body, context);
1222: else
1223: do_server(port, socket_type, &accept_socket, sv_body, context);
1224: print_stats(bio_s_out, ctx);
1225: ret = 0;
1226: end:
1227: if (ctx != NULL)
1228: SSL_CTX_free(ctx);
1229: if (s_cert)
1230: X509_free(s_cert);
1231: if (s_dcert)
1232: X509_free(s_dcert);
1233: if (s_key)
1234: EVP_PKEY_free(s_key);
1235: if (s_dkey)
1236: EVP_PKEY_free(s_dkey);
1237: free(pass);
1238: free(dpass);
1239: if (vpm)
1240: X509_VERIFY_PARAM_free(vpm);
1241: free(tlscstatp.host);
1242: free(tlscstatp.port);
1243: free(tlscstatp.path);
1244: if (ctx2 != NULL)
1245: SSL_CTX_free(ctx2);
1246: if (s_cert2)
1247: X509_free(s_cert2);
1248: if (s_key2)
1249: EVP_PKEY_free(s_key2);
1.8 jsing 1250: free(next_proto.data);
1251: free(alpn_ctx.data);
1.1 jsing 1252: if (bio_s_out != NULL) {
1253: BIO_free(bio_s_out);
1254: bio_s_out = NULL;
1255: }
1256:
1257: return (ret);
1258: }
1259:
1260: static void
1261: print_stats(BIO * bio, SSL_CTX * ssl_ctx)
1262: {
1263: BIO_printf(bio, "%4ld items in the session cache\n",
1264: SSL_CTX_sess_number(ssl_ctx));
1265: BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
1266: SSL_CTX_sess_connect(ssl_ctx));
1267: BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
1268: SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1269: BIO_printf(bio, "%4ld client connects that finished\n",
1270: SSL_CTX_sess_connect_good(ssl_ctx));
1271: BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
1272: SSL_CTX_sess_accept(ssl_ctx));
1273: BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
1274: SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1275: BIO_printf(bio, "%4ld server accepts that finished\n",
1276: SSL_CTX_sess_accept_good(ssl_ctx));
1277: BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
1278: BIO_printf(bio, "%4ld session cache misses\n", SSL_CTX_sess_misses(ssl_ctx));
1279: BIO_printf(bio, "%4ld session cache timeouts\n", SSL_CTX_sess_timeouts(ssl_ctx));
1280: BIO_printf(bio, "%4ld callback cache hits\n", SSL_CTX_sess_cb_hits(ssl_ctx));
1281: BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
1282: SSL_CTX_sess_cache_full(ssl_ctx),
1283: SSL_CTX_sess_get_cache_size(ssl_ctx));
1284: }
1285:
1286: static int
1287: sv_body(char *hostname, int s, unsigned char *context)
1288: {
1289: char *buf = NULL;
1.7 deraadt 1290: int ret = 1;
1.1 jsing 1291: int k, i;
1292: unsigned long l;
1293: SSL *con = NULL;
1294: BIO *sbio;
1295: struct timeval timeout;
1296:
1297: if ((buf = malloc(bufsize)) == NULL) {
1298: BIO_printf(bio_err, "out of memory\n");
1299: goto err;
1300: }
1301: if (s_nbio) {
1302: if (!s_quiet)
1303: BIO_printf(bio_err, "turning on non blocking io\n");
1.2 bcook 1304: if (!BIO_socket_nbio(s, 1))
1.1 jsing 1305: ERR_print_errors(bio_err);
1306: }
1307:
1308: if (con == NULL) {
1309: con = SSL_new(ctx);
1310: if (s_tlsextdebug) {
1311: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1312: SSL_set_tlsext_debug_arg(con, bio_s_out);
1313: }
1314: if (s_tlsextstatus) {
1315: SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1316: tlscstatp.err = bio_err;
1317: SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1318: }
1319: if (context)
1320: SSL_set_session_id_context(con, context,
1321: strlen((char *) context));
1322: }
1323: SSL_clear(con);
1324:
1325: if (SSL_version(con) == DTLS1_VERSION) {
1326:
1327: sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1328:
1329: if (enable_timeouts) {
1330: timeout.tv_sec = 0;
1331: timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1332: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1333:
1334: timeout.tv_sec = 0;
1335: timeout.tv_usec = DGRAM_SND_TIMEOUT;
1336: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1337: }
1338: if (socket_mtu > 28) {
1339: SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1340: SSL_set_mtu(con, socket_mtu - 28);
1341: } else
1342: /* want to do MTU discovery */
1343: BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1344:
1345: /* turn on cookie exchange */
1346: SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
1347: } else
1348: sbio = BIO_new_socket(s, BIO_NOCLOSE);
1349:
1350: if (s_nbio_test) {
1351: BIO *test;
1352:
1353: test = BIO_new(BIO_f_nbio_test());
1354: sbio = BIO_push(test, sbio);
1355: }
1356:
1357: SSL_set_bio(con, sbio, sbio);
1358: SSL_set_accept_state(con);
1359: /* SSL_set_fd(con,s); */
1360:
1361: if (s_debug) {
1362: SSL_set_debug(con, 1);
1363: BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
1364: BIO_set_callback_arg(SSL_get_rbio(con), (char *) bio_s_out);
1365: }
1366: if (s_msg) {
1367: SSL_set_msg_callback(con, msg_cb);
1368: SSL_set_msg_callback_arg(con, bio_s_out);
1369: }
1370: if (s_tlsextdebug) {
1371: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1372: SSL_set_tlsext_debug_arg(con, bio_s_out);
1373: }
1374:
1375: for (;;) {
1376: int read_from_terminal;
1377: int read_from_sslcon;
1.7 deraadt 1378: struct pollfd pfd[2];
1379: int ptimeout;
1.1 jsing 1380:
1381: read_from_terminal = 0;
1382: read_from_sslcon = SSL_pending(con);
1383:
1384: if (!read_from_sslcon) {
1.7 deraadt 1385: pfd[0].fd = fileno(stdin);
1386: pfd[0].events = POLLIN;
1387: pfd[1].fd = s;
1388: pfd[1].events = POLLIN;
1389:
1.1 jsing 1390: if ((SSL_version(con) == DTLS1_VERSION) &&
1391: DTLSv1_get_timeout(con, &timeout))
1.7 deraadt 1392: ptimeout = timeout.tv_sec * 1000 +
1393: timeout.tv_usec / 1000;
1.1 jsing 1394: else
1.7 deraadt 1395: ptimeout = -1;
1.1 jsing 1396:
1.7 deraadt 1397: i = poll(pfd, 2, ptimeout);
1.1 jsing 1398:
1399: if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) {
1400: BIO_printf(bio_err, "TIMEOUT occured\n");
1401: }
1402: if (i <= 0)
1403: continue;
1.7 deraadt 1404: if (pfd[0].revents) {
1405: if ((pfd[0].revents & (POLLERR|POLLNVAL)))
1406: continue;
1.1 jsing 1407: read_from_terminal = 1;
1.7 deraadt 1408: }
1409: if (pfd[1].revents) {
1410: if ((pfd[1].revents & (POLLERR|POLLNVAL)))
1411: continue;
1.1 jsing 1412: read_from_sslcon = 1;
1.7 deraadt 1413: }
1.1 jsing 1414: }
1415: if (read_from_terminal) {
1416: if (s_crlf) {
1417: int j, lf_num;
1418:
1419: i = read(fileno(stdin), buf, bufsize / 2);
1420: lf_num = 0;
1421: /* both loops are skipped when i <= 0 */
1422: for (j = 0; j < i; j++)
1423: if (buf[j] == '\n')
1424: lf_num++;
1425: for (j = i - 1; j >= 0; j--) {
1426: buf[j + lf_num] = buf[j];
1427: if (buf[j] == '\n') {
1428: lf_num--;
1429: i++;
1430: buf[j + lf_num] = '\r';
1431: }
1432: }
1433: assert(lf_num == 0);
1434: } else
1435: i = read(fileno(stdin), buf, bufsize);
1436: if (!s_quiet) {
1437: if ((i <= 0) || (buf[0] == 'Q')) {
1438: BIO_printf(bio_s_out, "DONE\n");
1439: shutdown(s, SHUT_RD);
1440: close(s);
1441: close_accept_socket();
1442: ret = -11;
1443: goto err;
1444: }
1445: if ((i <= 0) || (buf[0] == 'q')) {
1446: BIO_printf(bio_s_out, "DONE\n");
1447: if (SSL_version(con) != DTLS1_VERSION) {
1448: shutdown(s, SHUT_RD);
1449: close(s);
1450: }
1451: /*
1452: * close_accept_socket(); ret= -11;
1453: */
1454: goto err;
1455: }
1456: if ((buf[0] == 'r') &&
1457: ((buf[1] == '\n') || (buf[1] == '\r'))) {
1458: SSL_renegotiate(con);
1459: i = SSL_do_handshake(con);
1460: printf("SSL_do_handshake -> %d\n", i);
1461: i = 0; /* 13; */
1462: continue;
1463: /*
1464: * RE-NEGOTIATE\n");
1465: */
1466: }
1467: if ((buf[0] == 'R') &&
1468: ((buf[1] == '\n') || (buf[1] == '\r'))) {
1469: SSL_set_verify(con,
1470: SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, NULL);
1471: SSL_renegotiate(con);
1472: i = SSL_do_handshake(con);
1473: printf("SSL_do_handshake -> %d\n", i);
1474: i = 0; /* 13; */
1475: continue;
1476: /*
1477: * RE-NEGOTIATE asking for client
1478: * cert\n");
1479: */
1480: }
1481: if (buf[0] == 'P') {
1482: static const char *str = "Lets print some clear text\n";
1483: BIO_write(SSL_get_wbio(con), str, strlen(str));
1484: }
1485: if (buf[0] == 'S') {
1486: print_stats(bio_s_out, SSL_get_SSL_CTX(con));
1487: }
1488: }
1489: l = k = 0;
1490: for (;;) {
1491: /* should do a select for the write */
1492: #ifdef RENEG
1493: {
1494: static count = 0;
1495: if (++count == 100) {
1496: count = 0;
1497: SSL_renegotiate(con);
1498: }
1499: }
1500: #endif
1501: k = SSL_write(con, &(buf[l]), (unsigned int) i);
1502: switch (SSL_get_error(con, k)) {
1503: case SSL_ERROR_NONE:
1504: break;
1505: case SSL_ERROR_WANT_WRITE:
1506: case SSL_ERROR_WANT_READ:
1507: case SSL_ERROR_WANT_X509_LOOKUP:
1508: BIO_printf(bio_s_out, "Write BLOCK\n");
1509: break;
1510: case SSL_ERROR_SYSCALL:
1511: case SSL_ERROR_SSL:
1512: BIO_printf(bio_s_out, "ERROR\n");
1513: ERR_print_errors(bio_err);
1514: ret = 1;
1515: goto err;
1516: /* break; */
1517: case SSL_ERROR_ZERO_RETURN:
1518: BIO_printf(bio_s_out, "DONE\n");
1519: ret = 1;
1520: goto err;
1521: }
1522: l += k;
1523: i -= k;
1524: if (i <= 0)
1525: break;
1526: }
1527: }
1528: if (read_from_sslcon) {
1529: if (!SSL_is_init_finished(con)) {
1530: i = init_ssl_connection(con);
1531:
1532: if (i < 0) {
1533: ret = 0;
1534: goto err;
1535: } else if (i == 0) {
1536: ret = 1;
1537: goto err;
1538: }
1539: } else {
1540: again:
1541: i = SSL_read(con, (char *) buf, bufsize);
1542: switch (SSL_get_error(con, i)) {
1543: case SSL_ERROR_NONE: {
1544: int len, n;
1545: for (len = 0; len < i;) {
1546: do {
1547: n = write(fileno(stdout), buf + len, i - len);
1548: } while (n == -1 && errno == EINTR);
1549:
1550: if (n < 0) {
1551: BIO_printf(bio_s_out, "ERROR\n");
1552: goto err;
1553: }
1554: len += n;
1555: }
1556: }
1557: if (SSL_pending(con))
1558: goto again;
1559: break;
1560: case SSL_ERROR_WANT_WRITE:
1561: case SSL_ERROR_WANT_READ:
1562: BIO_printf(bio_s_out, "Read BLOCK\n");
1563: break;
1564: case SSL_ERROR_SYSCALL:
1565: case SSL_ERROR_SSL:
1566: BIO_printf(bio_s_out, "ERROR\n");
1567: ERR_print_errors(bio_err);
1568: ret = 1;
1569: goto err;
1570: case SSL_ERROR_ZERO_RETURN:
1571: BIO_printf(bio_s_out, "DONE\n");
1572: ret = 1;
1573: goto err;
1574: }
1575: }
1576: }
1577: }
1578: err:
1579: if (con != NULL) {
1580: BIO_printf(bio_s_out, "shutting down SSL\n");
1581: SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
1582: SSL_free(con);
1583: }
1584: BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
1585: if (buf != NULL) {
1.16 jsing 1586: explicit_bzero(buf, bufsize);
1.1 jsing 1587: free(buf);
1588: }
1589: if (ret >= 0)
1590: BIO_printf(bio_s_out, "ACCEPT\n");
1591: return (ret);
1592: }
1593:
1594: static void
1595: close_accept_socket(void)
1596: {
1597: BIO_printf(bio_err, "shutdown accept socket\n");
1598: if (accept_socket >= 0) {
1599: shutdown(accept_socket, SHUT_RDWR);
1600: close(accept_socket);
1601: }
1602: }
1603:
1604: static int
1605: init_ssl_connection(SSL * con)
1606: {
1607: int i;
1608: const char *str;
1609: X509 *peer;
1610: long verify_error;
1611: char buf[BUFSIZ];
1612: const unsigned char *next_proto_neg;
1613: unsigned next_proto_neg_len;
1614: unsigned char *exportedkeymat;
1615:
1616: i = SSL_accept(con);
1617: if (i <= 0) {
1618: if (BIO_sock_should_retry(i)) {
1619: BIO_printf(bio_s_out, "DELAY\n");
1620: return (1);
1621: }
1622: BIO_printf(bio_err, "ERROR\n");
1623: verify_error = SSL_get_verify_result(con);
1624: if (verify_error != X509_V_OK) {
1625: BIO_printf(bio_err, "verify error:%s\n",
1626: X509_verify_cert_error_string(verify_error));
1627: } else
1628: ERR_print_errors(bio_err);
1629: return (0);
1630: }
1631: PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
1632:
1633: peer = SSL_get_peer_certificate(con);
1634: if (peer != NULL) {
1635: BIO_printf(bio_s_out, "Client certificate\n");
1636: PEM_write_bio_X509(bio_s_out, peer);
1637: X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
1638: BIO_printf(bio_s_out, "subject=%s\n", buf);
1639: X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
1640: BIO_printf(bio_s_out, "issuer=%s\n", buf);
1641: X509_free(peer);
1642: }
1643: if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
1644: BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
1645: str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1646: BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
1647:
1648: SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
1649: if (next_proto_neg) {
1650: BIO_printf(bio_s_out, "NEXTPROTO is ");
1651: BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
1652: BIO_printf(bio_s_out, "\n");
1653: }
1654: #ifndef OPENSSL_NO_SRTP
1655: {
1656: SRTP_PROTECTION_PROFILE *srtp_profile
1657: = SSL_get_selected_srtp_profile(con);
1658:
1659: if (srtp_profile)
1660: BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
1661: srtp_profile->name);
1662: }
1663: #endif
1664: if (SSL_cache_hit(con))
1665: BIO_printf(bio_s_out, "Reused session-id\n");
1666: BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
1667: SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
1668: if (keymatexportlabel != NULL) {
1669: BIO_printf(bio_s_out, "Keying material exporter:\n");
1670: BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
1671: BIO_printf(bio_s_out, " Length: %i bytes\n",
1672: keymatexportlen);
1673: exportedkeymat = malloc(keymatexportlen);
1674: if (exportedkeymat != NULL) {
1675: if (!SSL_export_keying_material(con, exportedkeymat,
1676: keymatexportlen,
1677: keymatexportlabel,
1678: strlen(keymatexportlabel),
1679: NULL, 0, 0)) {
1680: BIO_printf(bio_s_out, " Error\n");
1681: } else {
1682: BIO_printf(bio_s_out, " Keying material: ");
1683: for (i = 0; i < keymatexportlen; i++)
1684: BIO_printf(bio_s_out, "%02X",
1685: exportedkeymat[i]);
1686: BIO_printf(bio_s_out, "\n");
1687: }
1688: free(exportedkeymat);
1689: }
1690: }
1691: return (1);
1692: }
1693:
1694: #ifndef OPENSSL_NO_DH
1695: static DH *
1696: load_dh_param(const char *dhfile)
1697: {
1698: DH *ret = NULL;
1699: BIO *bio;
1700:
1701: if ((bio = BIO_new_file(dhfile, "r")) == NULL)
1702: goto err;
1703: ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
1704: err:
1705: BIO_free(bio);
1706: return (ret);
1707: }
1708: #endif
1709:
1710: static int
1711: www_body(char *hostname, int s, unsigned char *context)
1712: {
1713: char *buf = NULL;
1714: int ret = 1;
1715: int i, j, k, dot;
1716: SSL *con;
1717: const SSL_CIPHER *c;
1718: BIO *io, *ssl_bio, *sbio;
1719:
1720: buf = malloc(bufsize);
1721: if (buf == NULL)
1722: return (0);
1723: io = BIO_new(BIO_f_buffer());
1724: ssl_bio = BIO_new(BIO_f_ssl());
1725: if ((io == NULL) || (ssl_bio == NULL))
1726: goto err;
1727:
1728: if (s_nbio) {
1729: if (!s_quiet)
1730: BIO_printf(bio_err, "turning on non blocking io\n");
1.2 bcook 1731: if (!BIO_socket_nbio(s, 1))
1.1 jsing 1732: ERR_print_errors(bio_err);
1733: }
1734:
1735: /* lets make the output buffer a reasonable size */
1736: if (!BIO_set_write_buffer_size(io, bufsize))
1737: goto err;
1738:
1739: if ((con = SSL_new(ctx)) == NULL)
1740: goto err;
1741: if (s_tlsextdebug) {
1742: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1743: SSL_set_tlsext_debug_arg(con, bio_s_out);
1744: }
1745: if (context)
1746: SSL_set_session_id_context(con, context,
1747: strlen((char *) context));
1748:
1749: sbio = BIO_new_socket(s, BIO_NOCLOSE);
1750: if (s_nbio_test) {
1751: BIO *test;
1752:
1753: test = BIO_new(BIO_f_nbio_test());
1754: sbio = BIO_push(test, sbio);
1755: }
1756: SSL_set_bio(con, sbio, sbio);
1757: SSL_set_accept_state(con);
1758:
1759: /* SSL_set_fd(con,s); */
1760: BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
1761: BIO_push(io, ssl_bio);
1762:
1763: if (s_debug) {
1764: SSL_set_debug(con, 1);
1765: BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
1766: BIO_set_callback_arg(SSL_get_rbio(con), (char *) bio_s_out);
1767: }
1768: if (s_msg) {
1769: SSL_set_msg_callback(con, msg_cb);
1770: SSL_set_msg_callback_arg(con, bio_s_out);
1771: }
1772: for (;;) {
1773: i = BIO_gets(io, buf, bufsize - 1);
1774: if (i < 0) { /* error */
1775: if (!BIO_should_retry(io)) {
1776: if (!s_quiet)
1777: ERR_print_errors(bio_err);
1778: goto err;
1779: } else {
1780: BIO_printf(bio_s_out, "read R BLOCK\n");
1781: sleep(1);
1782: continue;
1783: }
1784: } else if (i == 0) { /* end of input */
1785: ret = 1;
1786: goto end;
1787: }
1788: /* else we have data */
1789: if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
1790: ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
1791: char *p;
1792: X509 *peer;
1793: STACK_OF(SSL_CIPHER) * sk;
1794: static const char *space = " ";
1795:
1796: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1797: BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1798: BIO_puts(io, "<pre>\n");
1799: /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1800: BIO_puts(io, "\n");
1801: for (i = 0; i < local_argc; i++) {
1802: BIO_puts(io, local_argv[i]);
1803: BIO_write(io, " ", 1);
1804: }
1805: BIO_puts(io, "\n");
1806:
1807: BIO_printf(io,
1808: "Secure Renegotiation IS%s supported\n",
1809: SSL_get_secure_renegotiation_support(con) ?
1810: "" : " NOT");
1811:
1812: /*
1813: * The following is evil and should not really be
1814: * done
1815: */
1816: BIO_printf(io, "Ciphers supported in s_server binary\n");
1817: sk = SSL_get_ciphers(con);
1818: j = sk_SSL_CIPHER_num(sk);
1819: for (i = 0; i < j; i++) {
1820: c = sk_SSL_CIPHER_value(sk, i);
1821: BIO_printf(io, "%-11s:%-25s",
1822: SSL_CIPHER_get_version(c),
1823: SSL_CIPHER_get_name(c));
1824: if ((((i + 1) % 2) == 0) && (i + 1 != j))
1825: BIO_puts(io, "\n");
1826: }
1827: BIO_puts(io, "\n");
1828: p = SSL_get_shared_ciphers(con, buf, bufsize);
1829: if (p != NULL) {
1830: BIO_printf(io, "---\nCiphers common between both SSL end points:\n");
1831: j = i = 0;
1832: while (*p) {
1833: if (*p == ':') {
1834: BIO_write(io, space, 26 - j);
1835: i++;
1836: j = 0;
1837: BIO_write(io, ((i % 3) ? " " : "\n"), 1);
1838: } else {
1839: BIO_write(io, p, 1);
1840: j++;
1841: }
1842: p++;
1843: }
1844: BIO_puts(io, "\n");
1845: }
1846: BIO_printf(io, (SSL_cache_hit(con)
1847: ? "---\nReused, "
1848: : "---\nNew, "));
1849: c = SSL_get_current_cipher(con);
1850: BIO_printf(io, "%s, Cipher is %s\n",
1851: SSL_CIPHER_get_version(c),
1852: SSL_CIPHER_get_name(c));
1853: SSL_SESSION_print(io, SSL_get_session(con));
1854: BIO_printf(io, "---\n");
1855: print_stats(io, SSL_get_SSL_CTX(con));
1856: BIO_printf(io, "---\n");
1857: peer = SSL_get_peer_certificate(con);
1858: if (peer != NULL) {
1859: BIO_printf(io, "Client certificate\n");
1860: X509_print(io, peer);
1861: PEM_write_bio_X509(io, peer);
1862: } else
1863: BIO_puts(io, "no client certificate available\n");
1864: BIO_puts(io, "</BODY></HTML>\r\n\r\n");
1865: break;
1866: } else if ((www == 2 || www == 3)
1867: && (strncmp("GET /", buf, 5) == 0)) {
1868: BIO *file;
1869: char *p, *e;
1870: static const char *text = "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1871:
1872: /* skip the '/' */
1873: p = &(buf[5]);
1874:
1875: dot = 1;
1876: for (e = p; *e != '\0'; e++) {
1877: if (e[0] == ' ')
1878: break;
1879:
1880: switch (dot) {
1881: case 1:
1882: dot = (e[0] == '.') ? 2 : 0;
1883: break;
1884: case 2:
1885: dot = (e[0] == '.') ? 3 : 0;
1886: break;
1887: case 3:
1888: dot = (e[0] == '/') ? -1 : 0;
1889: break;
1890: }
1891: if (dot == 0)
1892: dot = (e[0] == '/') ? 1 : 0;
1893: }
1894: dot = (dot == 3) || (dot == -1); /* filename contains
1895: * ".." component */
1896:
1897: if (*e == '\0') {
1898: BIO_puts(io, text);
1899: BIO_printf(io, "'%s' is an invalid file name\r\n", p);
1900: break;
1901: }
1902: *e = '\0';
1903:
1904: if (dot) {
1905: BIO_puts(io, text);
1906: BIO_printf(io, "'%s' contains '..' reference\r\n", p);
1907: break;
1908: }
1909: if (*p == '/') {
1910: BIO_puts(io, text);
1911: BIO_printf(io, "'%s' is an invalid path\r\n", p);
1912: break;
1913: }
1914: /* if a directory, do the index thang */
1915: if (app_isdir(p) > 0) {
1916: BIO_puts(io, text);
1917: BIO_printf(io, "'%s' is a directory\r\n", p);
1918: break;
1919: }
1920: if ((file = BIO_new_file(p, "r")) == NULL) {
1921: BIO_puts(io, text);
1922: BIO_printf(io, "Error opening '%s'\r\n", p);
1923: ERR_print_errors(io);
1924: break;
1925: }
1926: if (!s_quiet)
1927: BIO_printf(bio_err, "FILE:%s\n", p);
1928:
1929: if (www == 2) {
1930: i = strlen(p);
1931: if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
1932: ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
1933: ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
1934: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1935: else
1936: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1937: }
1938: /* send the file */
1939: for (;;) {
1940: i = BIO_read(file, buf, bufsize);
1941: if (i <= 0)
1942: break;
1943:
1944: #ifdef RENEG
1945: total_bytes += i;
1946: fprintf(stderr, "%d\n", i);
1947: if (total_bytes > 3 * 1024) {
1948: total_bytes = 0;
1949: fprintf(stderr, "RENEGOTIATE\n");
1950: SSL_renegotiate(con);
1951: }
1952: #endif
1953:
1954: for (j = 0; j < i;) {
1955: #ifdef RENEG
1956: {
1957: static count = 0;
1958: if (++count == 13) {
1959: SSL_renegotiate(con);
1960: }
1961: }
1962: #endif
1963: k = BIO_write(io, &(buf[j]), i - j);
1964: if (k <= 0) {
1965: if (!BIO_should_retry(io))
1966: goto write_error;
1967: else {
1968: BIO_printf(bio_s_out, "rwrite W BLOCK\n");
1969: }
1970: } else {
1971: j += k;
1972: }
1973: }
1974: }
1975: write_error:
1976: BIO_free(file);
1977: break;
1978: }
1979: }
1980:
1981: for (;;) {
1982: i = (int) BIO_flush(io);
1983: if (i <= 0) {
1984: if (!BIO_should_retry(io))
1985: break;
1986: } else
1987: break;
1988: }
1989: end:
1990: /* make sure we re-use sessions */
1991: SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
1992:
1993: err:
1994:
1995: if (ret >= 0)
1996: BIO_printf(bio_s_out, "ACCEPT\n");
1997:
1998: if (buf != NULL)
1999: free(buf);
2000: if (io != NULL)
2001: BIO_free_all(io);
2002: /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2003: return (ret);
2004: }
2005:
2006: #define MAX_SESSION_ID_ATTEMPTS 10
2007: static int
2008: generate_session_id(const SSL * ssl, unsigned char *id,
2009: unsigned int *id_len)
2010: {
2011: unsigned int count = 0;
2012: do {
1.3 jsing 2013: arc4random_buf(id, *id_len);
1.1 jsing 2014: /*
2015: * Prefix the session_id with the required prefix. NB: If our
2016: * prefix is too long, clip it - but there will be worse
2017: * effects anyway, eg. the server could only possibly create
2018: * 1 session ID (ie. the prefix!) so all future session
2019: * negotiations will fail due to conflicts.
2020: */
2021: memcpy(id, session_id_prefix,
2022: (strlen(session_id_prefix) < *id_len) ?
2023: strlen(session_id_prefix) : *id_len);
2024: }
2025: while (SSL_has_matching_session_id(ssl, id, *id_len) &&
2026: (++count < MAX_SESSION_ID_ATTEMPTS));
2027: if (count >= MAX_SESSION_ID_ATTEMPTS)
2028: return 0;
2029: return 1;
2030: }