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1.20 ! doug 1: /* $OpenBSD: s_server.c,v 1.19 2015/10/06 03:29:49 deraadt 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) {
! 608: if (pledge("stdio inet rpath", NULL) == -1)
! 609: perror("pledge");
! 610: }
! 611:
1.1 jsing 612: meth = SSLv23_server_method();
613:
614: local_argc = argc;
615: local_argv = argv;
616:
617: s_server_init();
618:
619: verify_depth = 0;
620: s_nbio = 0;
621: s_nbio_test = 0;
622:
623: argc--;
624: argv++;
625:
626: while (argc >= 1) {
627: if ((strcmp(*argv, "-port") == 0) ||
628: (strcmp(*argv, "-accept") == 0)) {
629: if (--argc < 1)
630: goto bad;
631: if (!extract_port(*(++argv), &port))
632: goto bad;
633: } else if (strcmp(*argv, "-verify") == 0) {
634: s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
635: if (--argc < 1)
636: goto bad;
637: verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr);
638: if (errstr)
639: goto bad;
640: BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
641: } else if (strcmp(*argv, "-Verify") == 0) {
642: s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
643: SSL_VERIFY_CLIENT_ONCE;
644: if (--argc < 1)
645: goto bad;
646: verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr);
647: if (errstr)
648: goto bad;
649: BIO_printf(bio_err, "verify depth is %d, must return a certificate\n", verify_depth);
650: } else if (strcmp(*argv, "-context") == 0) {
651: if (--argc < 1)
652: goto bad;
653: context = (unsigned char *) *(++argv);
654: } else if (strcmp(*argv, "-cert") == 0) {
655: if (--argc < 1)
656: goto bad;
657: s_cert_file = *(++argv);
658: } else if (strcmp(*argv, "-certform") == 0) {
659: if (--argc < 1)
660: goto bad;
661: s_cert_format = str2fmt(*(++argv));
662: } else if (strcmp(*argv, "-key") == 0) {
663: if (--argc < 1)
664: goto bad;
665: s_key_file = *(++argv);
666: } else if (strcmp(*argv, "-keyform") == 0) {
667: if (--argc < 1)
668: goto bad;
669: s_key_format = str2fmt(*(++argv));
670: } else if (strcmp(*argv, "-pass") == 0) {
671: if (--argc < 1)
672: goto bad;
673: passarg = *(++argv);
674: } else if (strcmp(*argv, "-dhparam") == 0) {
675: if (--argc < 1)
676: goto bad;
677: dhfile = *(++argv);
678: }
679: else if (strcmp(*argv, "-named_curve") == 0) {
680: if (--argc < 1)
681: goto bad;
682: named_curve = *(++argv);
683: }
684: else if (strcmp(*argv, "-dcertform") == 0) {
685: if (--argc < 1)
686: goto bad;
687: s_dcert_format = str2fmt(*(++argv));
688: } else if (strcmp(*argv, "-dcert") == 0) {
689: if (--argc < 1)
690: goto bad;
691: s_dcert_file = *(++argv);
692: } else if (strcmp(*argv, "-dkeyform") == 0) {
693: if (--argc < 1)
694: goto bad;
695: s_dkey_format = str2fmt(*(++argv));
696: } else if (strcmp(*argv, "-dpass") == 0) {
697: if (--argc < 1)
698: goto bad;
699: dpassarg = *(++argv);
700: } else if (strcmp(*argv, "-dkey") == 0) {
701: if (--argc < 1)
702: goto bad;
703: s_dkey_file = *(++argv);
704: } else if (strcmp(*argv, "-nocert") == 0) {
705: nocert = 1;
706: } else if (strcmp(*argv, "-CApath") == 0) {
707: if (--argc < 1)
708: goto bad;
709: CApath = *(++argv);
710: } else if (strcmp(*argv, "-no_cache") == 0)
711: no_cache = 1;
712: else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
713: if (badarg)
714: goto bad;
715: continue;
716: } else if (strcmp(*argv, "-verify_return_error") == 0)
717: verify_return_error = 1;
718: else if (strcmp(*argv, "-serverpref") == 0) {
719: off |= SSL_OP_CIPHER_SERVER_PREFERENCE;
720: } else if (strcmp(*argv, "-legacy_renegotiation") == 0)
721: ; /* no-op */
722: else if (strcmp(*argv, "-cipher") == 0) {
723: if (--argc < 1)
724: goto bad;
725: cipher = *(++argv);
726: } else if (strcmp(*argv, "-CAfile") == 0) {
727: if (--argc < 1)
728: goto bad;
729: CAfile = *(++argv);
730: }
731: else if (strcmp(*argv, "-nbio") == 0) {
732: s_nbio = 1;
733: }
734: else if (strcmp(*argv, "-nbio_test") == 0) {
735: s_nbio = 1;
736: s_nbio_test = 1;
737: } else if (strcmp(*argv, "-debug") == 0) {
738: s_debug = 1;
739: }
740: else if (strcmp(*argv, "-tlsextdebug") == 0)
741: s_tlsextdebug = 1;
742: else if (strcmp(*argv, "-status") == 0)
743: s_tlsextstatus = 1;
744: else if (strcmp(*argv, "-status_verbose") == 0) {
745: s_tlsextstatus = 1;
746: tlscstatp.verbose = 1;
747: } else if (!strcmp(*argv, "-status_timeout")) {
748: s_tlsextstatus = 1;
749: if (--argc < 1)
750: goto bad;
751: tlscstatp.timeout = strtonum(*(++argv), 0, INT_MAX, &errstr);
752: if (errstr)
753: goto bad;
754: } else if (!strcmp(*argv, "-status_url")) {
755: s_tlsextstatus = 1;
756: if (--argc < 1)
757: goto bad;
758: if (!OCSP_parse_url(*(++argv),
759: &tlscstatp.host,
760: &tlscstatp.port,
761: &tlscstatp.path,
762: &tlscstatp.use_ssl)) {
763: BIO_printf(bio_err, "Error parsing URL\n");
764: goto bad;
765: }
766: }
767: else if (strcmp(*argv, "-msg") == 0) {
768: s_msg = 1;
769: } else if (strcmp(*argv, "-state") == 0) {
770: state = 1;
771: } else if (strcmp(*argv, "-crlf") == 0) {
772: s_crlf = 1;
773: } else if (strcmp(*argv, "-quiet") == 0) {
774: s_quiet = 1;
775: } else if (strcmp(*argv, "-bugs") == 0) {
776: bugs = 1;
777: } else if (strcmp(*argv, "-no_tmp_rsa") == 0) {
1.5 jsing 778: /* No-op. */
1.1 jsing 779: } else if (strcmp(*argv, "-no_dhe") == 0) {
780: no_dhe = 1;
781: } else if (strcmp(*argv, "-no_ecdhe") == 0) {
782: no_ecdhe = 1;
1.5 jsing 783: } else if (strcmp(*argv, "-www") == 0) {
1.1 jsing 784: www = 1;
785: } else if (strcmp(*argv, "-WWW") == 0) {
786: www = 2;
787: } else if (strcmp(*argv, "-HTTP") == 0) {
788: www = 3;
789: } else if (strcmp(*argv, "-no_ssl2") == 0) {
790: off |= SSL_OP_NO_SSLv2;
791: } else if (strcmp(*argv, "-no_ssl3") == 0) {
792: off |= SSL_OP_NO_SSLv3;
793: } else if (strcmp(*argv, "-no_tls1") == 0) {
794: off |= SSL_OP_NO_TLSv1;
795: } else if (strcmp(*argv, "-no_tls1_1") == 0) {
796: off |= SSL_OP_NO_TLSv1_1;
797: } else if (strcmp(*argv, "-no_tls1_2") == 0) {
798: off |= SSL_OP_NO_TLSv1_2;
799: } else if (strcmp(*argv, "-no_comp") == 0) {
800: off |= SSL_OP_NO_COMPRESSION;
1.13 doug 801: } else if (strcmp(*argv, "-no_ticket") == 0) {
1.1 jsing 802: off |= SSL_OP_NO_TICKET;
803: } else if (strcmp(*argv, "-tls1") == 0) {
804: meth = TLSv1_server_method();
805: } else if (strcmp(*argv, "-tls1_1") == 0) {
806: meth = TLSv1_1_server_method();
807: } else if (strcmp(*argv, "-tls1_2") == 0) {
808: meth = TLSv1_2_server_method();
809: }
810: #ifndef OPENSSL_NO_DTLS1
811: else if (strcmp(*argv, "-dtls1") == 0) {
812: meth = DTLSv1_server_method();
813: socket_type = SOCK_DGRAM;
814: } else if (strcmp(*argv, "-timeout") == 0)
815: enable_timeouts = 1;
816: else if (strcmp(*argv, "-mtu") == 0) {
817: if (--argc < 1)
818: goto bad;
819: socket_mtu = strtonum(*(++argv), 0, LONG_MAX, &errstr);
820: if (errstr)
821: goto bad;
822: } else if (strcmp(*argv, "-chain") == 0)
823: cert_chain = 1;
824: #endif
825: else if (strcmp(*argv, "-id_prefix") == 0) {
826: if (--argc < 1)
827: goto bad;
828: session_id_prefix = *(++argv);
829: }
830: else if (strcmp(*argv, "-servername") == 0) {
831: if (--argc < 1)
832: goto bad;
833: tlsextcbp.servername = *(++argv);
834: } else if (strcmp(*argv, "-servername_fatal") == 0) {
835: tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
836: } else if (strcmp(*argv, "-cert2") == 0) {
837: if (--argc < 1)
838: goto bad;
839: s_cert_file2 = *(++argv);
840: } else if (strcmp(*argv, "-key2") == 0) {
841: if (--argc < 1)
842: goto bad;
843: s_key_file2 = *(++argv);
844: }
845: else if (strcmp(*argv, "-nextprotoneg") == 0) {
846: if (--argc < 1)
847: goto bad;
848: next_proto_neg_in = *(++argv);
849: }
1.8 jsing 850: else if (strcmp(*argv,"-alpn") == 0) {
851: if (--argc < 1)
852: goto bad;
853: alpn_in = *(++argv);
854: }
1.1 jsing 855: #ifndef OPENSSL_NO_SRTP
856: else if (strcmp(*argv, "-use_srtp") == 0) {
857: if (--argc < 1)
858: goto bad;
859: srtp_profiles = *(++argv);
860: }
861: #endif
862: else if (strcmp(*argv, "-keymatexport") == 0) {
863: if (--argc < 1)
864: goto bad;
865: keymatexportlabel = *(++argv);
866: } else if (strcmp(*argv, "-keymatexportlen") == 0) {
867: if (--argc < 1)
868: goto bad;
869: keymatexportlen = strtonum(*(++argv), 1, INT_MAX, &errstr);
870: if (errstr)
871: goto bad;
872: } else {
873: BIO_printf(bio_err, "unknown option %s\n", *argv);
874: badop = 1;
875: break;
876: }
877: argc--;
878: argv++;
879: }
880: if (badop) {
881: bad:
882: if (errstr)
883: BIO_printf(bio_err, "invalid argument %s: %s\n",
884: *argv, errstr);
885: else
886: sv_usage();
887: goto end;
888: }
889:
890: if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) {
891: BIO_printf(bio_err, "Error getting password\n");
892: goto end;
893: }
894: if (s_key_file == NULL)
895: s_key_file = s_cert_file;
896: if (s_key_file2 == NULL)
897: s_key_file2 = s_cert_file2;
898:
899: if (nocert == 0) {
1.17 bcook 900: s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass,
1.1 jsing 901: "server certificate private key file");
902: if (!s_key) {
903: ERR_print_errors(bio_err);
904: goto end;
905: }
906: s_cert = load_cert(bio_err, s_cert_file, s_cert_format,
1.17 bcook 907: NULL, "server certificate file");
1.1 jsing 908:
909: if (!s_cert) {
910: ERR_print_errors(bio_err);
911: goto end;
912: }
913: if (tlsextcbp.servername) {
1.17 bcook 914: s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass,
1.1 jsing 915: "second server certificate private key file");
916: if (!s_key2) {
917: ERR_print_errors(bio_err);
918: goto end;
919: }
920: s_cert2 = load_cert(bio_err, s_cert_file2, s_cert_format,
1.17 bcook 921: NULL, "second server certificate file");
1.1 jsing 922:
923: if (!s_cert2) {
924: ERR_print_errors(bio_err);
925: goto end;
926: }
927: }
928: }
929: if (next_proto_neg_in) {
930: unsigned short len;
931: next_proto.data = next_protos_parse(&len, next_proto_neg_in);
932: if (next_proto.data == NULL)
933: goto end;
934: next_proto.len = len;
935: } else {
936: next_proto.data = NULL;
937: }
1.8 jsing 938: alpn_ctx.data = NULL;
939: if (alpn_in) {
940: unsigned short len;
941: alpn_ctx.data = next_protos_parse(&len, alpn_in);
942: if (alpn_ctx.data == NULL)
943: goto end;
944: alpn_ctx.len = len;
945: }
1.1 jsing 946:
947: if (s_dcert_file) {
948:
949: if (s_dkey_file == NULL)
950: s_dkey_file = s_dcert_file;
951:
952: s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1.17 bcook 953: 0, dpass, "second certificate private key file");
1.1 jsing 954: if (!s_dkey) {
955: ERR_print_errors(bio_err);
956: goto end;
957: }
958: s_dcert = load_cert(bio_err, s_dcert_file, s_dcert_format,
1.17 bcook 959: NULL, "second server certificate file");
1.1 jsing 960:
961: if (!s_dcert) {
962: ERR_print_errors(bio_err);
963: goto end;
964: }
965: }
966: if (bio_s_out == NULL) {
967: if (s_quiet && !s_debug && !s_msg) {
968: bio_s_out = BIO_new(BIO_s_null());
969: } else {
970: if (bio_s_out == NULL)
971: bio_s_out = BIO_new_fp(stdout, BIO_NOCLOSE);
972: }
973: }
1.8 jsing 974: if (nocert) {
1.1 jsing 975: s_cert_file = NULL;
976: s_key_file = NULL;
977: s_dcert_file = NULL;
978: s_dkey_file = NULL;
979: s_cert_file2 = NULL;
980: s_key_file2 = NULL;
981: }
982: ctx = SSL_CTX_new(meth);
983: if (ctx == NULL) {
984: ERR_print_errors(bio_err);
985: goto end;
986: }
987: if (session_id_prefix) {
988: if (strlen(session_id_prefix) >= 32)
989: BIO_printf(bio_err,
990: "warning: id_prefix is too long, only one new session will be possible\n");
991: else if (strlen(session_id_prefix) >= 16)
992: BIO_printf(bio_err,
993: "warning: id_prefix is too long if you use SSLv2\n");
994: if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
995: BIO_printf(bio_err, "error setting 'id_prefix'\n");
996: ERR_print_errors(bio_err);
997: goto end;
998: }
999: BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1000: }
1001: SSL_CTX_set_quiet_shutdown(ctx, 1);
1002: if (bugs)
1003: SSL_CTX_set_options(ctx, SSL_OP_ALL);
1004: SSL_CTX_set_options(ctx, off);
1005: /*
1006: * DTLS: partial reads end up discarding unread UDP bytes :-( Setting
1007: * read ahead solves this problem.
1008: */
1009: if (socket_type == SOCK_DGRAM)
1010: SSL_CTX_set_read_ahead(ctx, 1);
1011:
1012: if (state)
1013: SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1014: if (no_cache)
1015: SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1016: else
1017: SSL_CTX_sess_set_cache_size(ctx, 128);
1018:
1019: #ifndef OPENSSL_NO_SRTP
1020: if (srtp_profiles != NULL)
1021: SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1022: #endif
1023:
1024:
1025: if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) ||
1026: (!SSL_CTX_set_default_verify_paths(ctx))) {
1027: /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1028: ERR_print_errors(bio_err);
1029: /* goto end; */
1030: }
1031: if (vpm)
1032: SSL_CTX_set1_param(ctx, vpm);
1033:
1034: if (s_cert2) {
1035: ctx2 = SSL_CTX_new(meth);
1036: if (ctx2 == NULL) {
1037: ERR_print_errors(bio_err);
1038: goto end;
1039: }
1040: }
1041: if (ctx2) {
1042: BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1043:
1044: if (session_id_prefix) {
1045: if (strlen(session_id_prefix) >= 32)
1046: BIO_printf(bio_err,
1047: "warning: id_prefix is too long, only one new session will be possible\n");
1048: else if (strlen(session_id_prefix) >= 16)
1049: BIO_printf(bio_err,
1050: "warning: id_prefix is too long if you use SSLv2\n");
1051: if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1052: BIO_printf(bio_err, "error setting 'id_prefix'\n");
1053: ERR_print_errors(bio_err);
1054: goto end;
1055: }
1056: BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1057: }
1058: SSL_CTX_set_quiet_shutdown(ctx2, 1);
1059: if (bugs)
1060: SSL_CTX_set_options(ctx2, SSL_OP_ALL);
1061: SSL_CTX_set_options(ctx2, off);
1062: /*
1063: * DTLS: partial reads end up discarding unread UDP bytes :-(
1064: * Setting read ahead solves this problem.
1065: */
1066: if (socket_type == SOCK_DGRAM)
1067: SSL_CTX_set_read_ahead(ctx2, 1);
1068:
1069: if (state)
1070: SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1071:
1072: if (no_cache)
1073: SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1074: else
1075: SSL_CTX_sess_set_cache_size(ctx2, 128);
1076:
1077: if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) ||
1078: (!SSL_CTX_set_default_verify_paths(ctx2))) {
1079: ERR_print_errors(bio_err);
1080: }
1081: if (vpm)
1082: SSL_CTX_set1_param(ctx2, vpm);
1083: }
1084: if (next_proto.data)
1085: SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1.8 jsing 1086: if (alpn_ctx.data)
1087: SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1.1 jsing 1088:
1089: #ifndef OPENSSL_NO_DH
1090: if (!no_dhe) {
1091: DH *dh = NULL;
1092:
1093: if (dhfile)
1094: dh = load_dh_param(dhfile);
1095: else if (s_cert_file)
1096: dh = load_dh_param(s_cert_file);
1097:
1.4 jsing 1098: if (dh != NULL)
1.1 jsing 1099: BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1.4 jsing 1100: else
1101: BIO_printf(bio_s_out, "Using auto DH parameters\n");
1102: (void) BIO_flush(bio_s_out);
1103:
1104: if (dh == NULL)
1105: SSL_CTX_set_dh_auto(ctx, 1);
1106: else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1107: BIO_printf(bio_err,
1108: "Error setting temp DH parameters\n");
1109: ERR_print_errors(bio_err);
1110: DH_free(dh);
1111: goto end;
1.1 jsing 1112: }
1113:
1114: if (ctx2) {
1115: if (!dhfile) {
1.14 doug 1116: DH *dh2 = NULL;
1117:
1118: if (s_cert_file2 != NULL)
1119: dh2 = load_dh_param(s_cert_file2);
1.1 jsing 1120: if (dh2 != NULL) {
1121: BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1122: (void) BIO_flush(bio_s_out);
1123:
1124: DH_free(dh);
1125: dh = dh2;
1126: }
1127: }
1.4 jsing 1128: if (dh == NULL)
1129: SSL_CTX_set_dh_auto(ctx2, 1);
1130: else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1131: BIO_printf(bio_err,
1132: "Error setting temp DH parameters\n");
1133: ERR_print_errors(bio_err);
1134: DH_free(dh);
1135: goto end;
1136: }
1.1 jsing 1137: }
1138: DH_free(dh);
1139: }
1140: #endif
1141:
1142: if (!no_ecdhe) {
1143: EC_KEY *ecdh = NULL;
1144:
1145: if (named_curve) {
1146: int nid = OBJ_sn2nid(named_curve);
1147:
1148: if (nid == 0) {
1149: BIO_printf(bio_err, "unknown curve name (%s)\n",
1150: named_curve);
1151: goto end;
1152: }
1153: ecdh = EC_KEY_new_by_curve_name(nid);
1154: if (ecdh == NULL) {
1155: BIO_printf(bio_err, "unable to create curve (%s)\n",
1156: named_curve);
1157: goto end;
1158: }
1159: }
1160: if (ecdh != NULL) {
1161: BIO_printf(bio_s_out, "Setting temp ECDH parameters\n");
1162: } else {
1163: BIO_printf(bio_s_out, "Using default temp ECDH parameters\n");
1164: ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1165: if (ecdh == NULL) {
1166: BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1167: goto end;
1168: }
1169: }
1170: (void) BIO_flush(bio_s_out);
1171:
1172: SSL_CTX_set_tmp_ecdh(ctx, ecdh);
1173: if (ctx2)
1174: SSL_CTX_set_tmp_ecdh(ctx2, ecdh);
1175: EC_KEY_free(ecdh);
1176: }
1177:
1178: if (!set_cert_key_stuff(ctx, s_cert, s_key))
1179: goto end;
1180: if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2))
1181: goto end;
1182: if (s_dcert != NULL) {
1183: if (!set_cert_key_stuff(ctx, s_dcert, s_dkey))
1184: goto end;
1185: }
1186:
1187: if (cipher != NULL) {
1188: if (!SSL_CTX_set_cipher_list(ctx, cipher)) {
1189: BIO_printf(bio_err, "error setting cipher list\n");
1190: ERR_print_errors(bio_err);
1191: goto end;
1192: }
1193: if (ctx2 && !SSL_CTX_set_cipher_list(ctx2, cipher)) {
1194: BIO_printf(bio_err, "error setting cipher list\n");
1195: ERR_print_errors(bio_err);
1196: goto end;
1197: }
1198: }
1199: SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
1200: SSL_CTX_set_session_id_context(ctx, (void *) &s_server_session_id_context,
1201: sizeof s_server_session_id_context);
1202:
1203: /* Set DTLS cookie generation and verification callbacks */
1204: SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1205: SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1206:
1207: if (ctx2) {
1208: SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
1209: SSL_CTX_set_session_id_context(ctx2, (void *) &s_server_session_id_context,
1210: sizeof s_server_session_id_context);
1211:
1212: tlsextcbp.biodebug = bio_s_out;
1213: SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1214: SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1215: SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1216: SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1217: }
1218:
1219: if (CAfile != NULL) {
1220: SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
1221: if (ctx2)
1222: SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
1223: }
1224: BIO_printf(bio_s_out, "ACCEPT\n");
1225: (void) BIO_flush(bio_s_out);
1226: if (www)
1227: do_server(port, socket_type, &accept_socket, www_body, context);
1228: else
1229: do_server(port, socket_type, &accept_socket, sv_body, context);
1230: print_stats(bio_s_out, ctx);
1231: ret = 0;
1232: end:
1233: if (ctx != NULL)
1234: SSL_CTX_free(ctx);
1235: if (s_cert)
1236: X509_free(s_cert);
1237: if (s_dcert)
1238: X509_free(s_dcert);
1239: if (s_key)
1240: EVP_PKEY_free(s_key);
1241: if (s_dkey)
1242: EVP_PKEY_free(s_dkey);
1243: free(pass);
1244: free(dpass);
1245: if (vpm)
1246: X509_VERIFY_PARAM_free(vpm);
1247: free(tlscstatp.host);
1248: free(tlscstatp.port);
1249: free(tlscstatp.path);
1250: if (ctx2 != NULL)
1251: SSL_CTX_free(ctx2);
1252: if (s_cert2)
1253: X509_free(s_cert2);
1254: if (s_key2)
1255: EVP_PKEY_free(s_key2);
1.8 jsing 1256: free(next_proto.data);
1257: free(alpn_ctx.data);
1.1 jsing 1258: if (bio_s_out != NULL) {
1259: BIO_free(bio_s_out);
1260: bio_s_out = NULL;
1261: }
1262:
1263: return (ret);
1264: }
1265:
1266: static void
1267: print_stats(BIO * bio, SSL_CTX * ssl_ctx)
1268: {
1269: BIO_printf(bio, "%4ld items in the session cache\n",
1270: SSL_CTX_sess_number(ssl_ctx));
1271: BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
1272: SSL_CTX_sess_connect(ssl_ctx));
1273: BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
1274: SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1275: BIO_printf(bio, "%4ld client connects that finished\n",
1276: SSL_CTX_sess_connect_good(ssl_ctx));
1277: BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
1278: SSL_CTX_sess_accept(ssl_ctx));
1279: BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
1280: SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1281: BIO_printf(bio, "%4ld server accepts that finished\n",
1282: SSL_CTX_sess_accept_good(ssl_ctx));
1283: BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
1284: BIO_printf(bio, "%4ld session cache misses\n", SSL_CTX_sess_misses(ssl_ctx));
1285: BIO_printf(bio, "%4ld session cache timeouts\n", SSL_CTX_sess_timeouts(ssl_ctx));
1286: BIO_printf(bio, "%4ld callback cache hits\n", SSL_CTX_sess_cb_hits(ssl_ctx));
1287: BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
1288: SSL_CTX_sess_cache_full(ssl_ctx),
1289: SSL_CTX_sess_get_cache_size(ssl_ctx));
1290: }
1291:
1292: static int
1293: sv_body(char *hostname, int s, unsigned char *context)
1294: {
1295: char *buf = NULL;
1.7 deraadt 1296: int ret = 1;
1.1 jsing 1297: int k, i;
1298: unsigned long l;
1299: SSL *con = NULL;
1300: BIO *sbio;
1301: struct timeval timeout;
1302:
1303: if ((buf = malloc(bufsize)) == NULL) {
1304: BIO_printf(bio_err, "out of memory\n");
1305: goto err;
1306: }
1307: if (s_nbio) {
1308: if (!s_quiet)
1309: BIO_printf(bio_err, "turning on non blocking io\n");
1.2 bcook 1310: if (!BIO_socket_nbio(s, 1))
1.1 jsing 1311: ERR_print_errors(bio_err);
1312: }
1313:
1314: if (con == NULL) {
1315: con = SSL_new(ctx);
1316: if (s_tlsextdebug) {
1317: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1318: SSL_set_tlsext_debug_arg(con, bio_s_out);
1319: }
1320: if (s_tlsextstatus) {
1321: SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1322: tlscstatp.err = bio_err;
1323: SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1324: }
1325: if (context)
1326: SSL_set_session_id_context(con, context,
1327: strlen((char *) context));
1328: }
1329: SSL_clear(con);
1330:
1331: if (SSL_version(con) == DTLS1_VERSION) {
1332:
1333: sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1334:
1335: if (enable_timeouts) {
1336: timeout.tv_sec = 0;
1337: timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1338: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1339:
1340: timeout.tv_sec = 0;
1341: timeout.tv_usec = DGRAM_SND_TIMEOUT;
1342: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1343: }
1344: if (socket_mtu > 28) {
1345: SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1346: SSL_set_mtu(con, socket_mtu - 28);
1347: } else
1348: /* want to do MTU discovery */
1349: BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1350:
1351: /* turn on cookie exchange */
1352: SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
1353: } else
1354: sbio = BIO_new_socket(s, BIO_NOCLOSE);
1355:
1356: if (s_nbio_test) {
1357: BIO *test;
1358:
1359: test = BIO_new(BIO_f_nbio_test());
1360: sbio = BIO_push(test, sbio);
1361: }
1362:
1363: SSL_set_bio(con, sbio, sbio);
1364: SSL_set_accept_state(con);
1365: /* SSL_set_fd(con,s); */
1366:
1367: if (s_debug) {
1368: SSL_set_debug(con, 1);
1369: BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
1370: BIO_set_callback_arg(SSL_get_rbio(con), (char *) bio_s_out);
1371: }
1372: if (s_msg) {
1373: SSL_set_msg_callback(con, msg_cb);
1374: SSL_set_msg_callback_arg(con, bio_s_out);
1375: }
1376: if (s_tlsextdebug) {
1377: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1378: SSL_set_tlsext_debug_arg(con, bio_s_out);
1379: }
1380:
1381: for (;;) {
1382: int read_from_terminal;
1383: int read_from_sslcon;
1.7 deraadt 1384: struct pollfd pfd[2];
1385: int ptimeout;
1.1 jsing 1386:
1387: read_from_terminal = 0;
1388: read_from_sslcon = SSL_pending(con);
1389:
1390: if (!read_from_sslcon) {
1.7 deraadt 1391: pfd[0].fd = fileno(stdin);
1392: pfd[0].events = POLLIN;
1393: pfd[1].fd = s;
1394: pfd[1].events = POLLIN;
1395:
1.1 jsing 1396: if ((SSL_version(con) == DTLS1_VERSION) &&
1397: DTLSv1_get_timeout(con, &timeout))
1.7 deraadt 1398: ptimeout = timeout.tv_sec * 1000 +
1399: timeout.tv_usec / 1000;
1.1 jsing 1400: else
1.7 deraadt 1401: ptimeout = -1;
1.1 jsing 1402:
1.7 deraadt 1403: i = poll(pfd, 2, ptimeout);
1.1 jsing 1404:
1405: if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) {
1406: BIO_printf(bio_err, "TIMEOUT occured\n");
1407: }
1408: if (i <= 0)
1409: continue;
1.7 deraadt 1410: if (pfd[0].revents) {
1411: if ((pfd[0].revents & (POLLERR|POLLNVAL)))
1412: continue;
1.1 jsing 1413: read_from_terminal = 1;
1.7 deraadt 1414: }
1415: if (pfd[1].revents) {
1416: if ((pfd[1].revents & (POLLERR|POLLNVAL)))
1417: continue;
1.1 jsing 1418: read_from_sslcon = 1;
1.7 deraadt 1419: }
1.1 jsing 1420: }
1421: if (read_from_terminal) {
1422: if (s_crlf) {
1423: int j, lf_num;
1424:
1425: i = read(fileno(stdin), buf, bufsize / 2);
1426: lf_num = 0;
1427: /* both loops are skipped when i <= 0 */
1428: for (j = 0; j < i; j++)
1429: if (buf[j] == '\n')
1430: lf_num++;
1431: for (j = i - 1; j >= 0; j--) {
1432: buf[j + lf_num] = buf[j];
1433: if (buf[j] == '\n') {
1434: lf_num--;
1435: i++;
1436: buf[j + lf_num] = '\r';
1437: }
1438: }
1439: assert(lf_num == 0);
1440: } else
1441: i = read(fileno(stdin), buf, bufsize);
1442: if (!s_quiet) {
1443: if ((i <= 0) || (buf[0] == 'Q')) {
1444: BIO_printf(bio_s_out, "DONE\n");
1445: shutdown(s, SHUT_RD);
1446: close(s);
1447: close_accept_socket();
1448: ret = -11;
1449: goto err;
1450: }
1451: if ((i <= 0) || (buf[0] == 'q')) {
1452: BIO_printf(bio_s_out, "DONE\n");
1453: if (SSL_version(con) != DTLS1_VERSION) {
1454: shutdown(s, SHUT_RD);
1455: close(s);
1456: }
1457: /*
1458: * close_accept_socket(); ret= -11;
1459: */
1460: goto err;
1461: }
1462: if ((buf[0] == 'r') &&
1463: ((buf[1] == '\n') || (buf[1] == '\r'))) {
1464: SSL_renegotiate(con);
1465: i = SSL_do_handshake(con);
1466: printf("SSL_do_handshake -> %d\n", i);
1467: i = 0; /* 13; */
1468: continue;
1469: /*
1470: * RE-NEGOTIATE\n");
1471: */
1472: }
1473: if ((buf[0] == 'R') &&
1474: ((buf[1] == '\n') || (buf[1] == '\r'))) {
1475: SSL_set_verify(con,
1476: SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, NULL);
1477: SSL_renegotiate(con);
1478: i = SSL_do_handshake(con);
1479: printf("SSL_do_handshake -> %d\n", i);
1480: i = 0; /* 13; */
1481: continue;
1482: /*
1483: * RE-NEGOTIATE asking for client
1484: * cert\n");
1485: */
1486: }
1487: if (buf[0] == 'P') {
1488: static const char *str = "Lets print some clear text\n";
1489: BIO_write(SSL_get_wbio(con), str, strlen(str));
1490: }
1491: if (buf[0] == 'S') {
1492: print_stats(bio_s_out, SSL_get_SSL_CTX(con));
1493: }
1494: }
1495: l = k = 0;
1496: for (;;) {
1497: /* should do a select for the write */
1498: #ifdef RENEG
1499: {
1500: static count = 0;
1501: if (++count == 100) {
1502: count = 0;
1503: SSL_renegotiate(con);
1504: }
1505: }
1506: #endif
1507: k = SSL_write(con, &(buf[l]), (unsigned int) i);
1508: switch (SSL_get_error(con, k)) {
1509: case SSL_ERROR_NONE:
1510: break;
1511: case SSL_ERROR_WANT_WRITE:
1512: case SSL_ERROR_WANT_READ:
1513: case SSL_ERROR_WANT_X509_LOOKUP:
1514: BIO_printf(bio_s_out, "Write BLOCK\n");
1515: break;
1516: case SSL_ERROR_SYSCALL:
1517: case SSL_ERROR_SSL:
1518: BIO_printf(bio_s_out, "ERROR\n");
1519: ERR_print_errors(bio_err);
1520: ret = 1;
1521: goto err;
1522: /* break; */
1523: case SSL_ERROR_ZERO_RETURN:
1524: BIO_printf(bio_s_out, "DONE\n");
1525: ret = 1;
1526: goto err;
1527: }
1528: l += k;
1529: i -= k;
1530: if (i <= 0)
1531: break;
1532: }
1533: }
1534: if (read_from_sslcon) {
1535: if (!SSL_is_init_finished(con)) {
1536: i = init_ssl_connection(con);
1537:
1538: if (i < 0) {
1539: ret = 0;
1540: goto err;
1541: } else if (i == 0) {
1542: ret = 1;
1543: goto err;
1544: }
1545: } else {
1546: again:
1547: i = SSL_read(con, (char *) buf, bufsize);
1548: switch (SSL_get_error(con, i)) {
1549: case SSL_ERROR_NONE: {
1550: int len, n;
1551: for (len = 0; len < i;) {
1552: do {
1553: n = write(fileno(stdout), buf + len, i - len);
1554: } while (n == -1 && errno == EINTR);
1555:
1556: if (n < 0) {
1557: BIO_printf(bio_s_out, "ERROR\n");
1558: goto err;
1559: }
1560: len += n;
1561: }
1562: }
1563: if (SSL_pending(con))
1564: goto again;
1565: break;
1566: case SSL_ERROR_WANT_WRITE:
1567: case SSL_ERROR_WANT_READ:
1568: BIO_printf(bio_s_out, "Read BLOCK\n");
1569: break;
1570: case SSL_ERROR_SYSCALL:
1571: case SSL_ERROR_SSL:
1572: BIO_printf(bio_s_out, "ERROR\n");
1573: ERR_print_errors(bio_err);
1574: ret = 1;
1575: goto err;
1576: case SSL_ERROR_ZERO_RETURN:
1577: BIO_printf(bio_s_out, "DONE\n");
1578: ret = 1;
1579: goto err;
1580: }
1581: }
1582: }
1583: }
1584: err:
1585: if (con != NULL) {
1586: BIO_printf(bio_s_out, "shutting down SSL\n");
1587: SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
1588: SSL_free(con);
1589: }
1590: BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
1591: if (buf != NULL) {
1.16 jsing 1592: explicit_bzero(buf, bufsize);
1.1 jsing 1593: free(buf);
1594: }
1595: if (ret >= 0)
1596: BIO_printf(bio_s_out, "ACCEPT\n");
1597: return (ret);
1598: }
1599:
1600: static void
1601: close_accept_socket(void)
1602: {
1603: BIO_printf(bio_err, "shutdown accept socket\n");
1604: if (accept_socket >= 0) {
1605: shutdown(accept_socket, SHUT_RDWR);
1606: close(accept_socket);
1607: }
1608: }
1609:
1610: static int
1611: init_ssl_connection(SSL * con)
1612: {
1613: int i;
1614: const char *str;
1615: X509 *peer;
1616: long verify_error;
1617: char buf[BUFSIZ];
1618: const unsigned char *next_proto_neg;
1619: unsigned next_proto_neg_len;
1620: unsigned char *exportedkeymat;
1621:
1622: i = SSL_accept(con);
1623: if (i <= 0) {
1624: if (BIO_sock_should_retry(i)) {
1625: BIO_printf(bio_s_out, "DELAY\n");
1626: return (1);
1627: }
1628: BIO_printf(bio_err, "ERROR\n");
1629: verify_error = SSL_get_verify_result(con);
1630: if (verify_error != X509_V_OK) {
1631: BIO_printf(bio_err, "verify error:%s\n",
1632: X509_verify_cert_error_string(verify_error));
1633: } else
1634: ERR_print_errors(bio_err);
1635: return (0);
1636: }
1637: PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
1638:
1639: peer = SSL_get_peer_certificate(con);
1640: if (peer != NULL) {
1641: BIO_printf(bio_s_out, "Client certificate\n");
1642: PEM_write_bio_X509(bio_s_out, peer);
1643: X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
1644: BIO_printf(bio_s_out, "subject=%s\n", buf);
1645: X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
1646: BIO_printf(bio_s_out, "issuer=%s\n", buf);
1647: X509_free(peer);
1648: }
1649: if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
1650: BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
1651: str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1652: BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
1653:
1654: SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
1655: if (next_proto_neg) {
1656: BIO_printf(bio_s_out, "NEXTPROTO is ");
1657: BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
1658: BIO_printf(bio_s_out, "\n");
1659: }
1660: #ifndef OPENSSL_NO_SRTP
1661: {
1662: SRTP_PROTECTION_PROFILE *srtp_profile
1663: = SSL_get_selected_srtp_profile(con);
1664:
1665: if (srtp_profile)
1666: BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
1667: srtp_profile->name);
1668: }
1669: #endif
1670: if (SSL_cache_hit(con))
1671: BIO_printf(bio_s_out, "Reused session-id\n");
1672: BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
1673: SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
1674: if (keymatexportlabel != NULL) {
1675: BIO_printf(bio_s_out, "Keying material exporter:\n");
1676: BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
1677: BIO_printf(bio_s_out, " Length: %i bytes\n",
1678: keymatexportlen);
1679: exportedkeymat = malloc(keymatexportlen);
1680: if (exportedkeymat != NULL) {
1681: if (!SSL_export_keying_material(con, exportedkeymat,
1682: keymatexportlen,
1683: keymatexportlabel,
1684: strlen(keymatexportlabel),
1685: NULL, 0, 0)) {
1686: BIO_printf(bio_s_out, " Error\n");
1687: } else {
1688: BIO_printf(bio_s_out, " Keying material: ");
1689: for (i = 0; i < keymatexportlen; i++)
1690: BIO_printf(bio_s_out, "%02X",
1691: exportedkeymat[i]);
1692: BIO_printf(bio_s_out, "\n");
1693: }
1694: free(exportedkeymat);
1695: }
1696: }
1697: return (1);
1698: }
1699:
1700: #ifndef OPENSSL_NO_DH
1701: static DH *
1702: load_dh_param(const char *dhfile)
1703: {
1704: DH *ret = NULL;
1705: BIO *bio;
1706:
1707: if ((bio = BIO_new_file(dhfile, "r")) == NULL)
1708: goto err;
1709: ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
1710: err:
1711: BIO_free(bio);
1712: return (ret);
1713: }
1714: #endif
1715:
1716: static int
1717: www_body(char *hostname, int s, unsigned char *context)
1718: {
1719: char *buf = NULL;
1720: int ret = 1;
1721: int i, j, k, dot;
1722: SSL *con;
1723: const SSL_CIPHER *c;
1724: BIO *io, *ssl_bio, *sbio;
1725:
1726: buf = malloc(bufsize);
1727: if (buf == NULL)
1728: return (0);
1729: io = BIO_new(BIO_f_buffer());
1730: ssl_bio = BIO_new(BIO_f_ssl());
1731: if ((io == NULL) || (ssl_bio == NULL))
1732: goto err;
1733:
1734: if (s_nbio) {
1735: if (!s_quiet)
1736: BIO_printf(bio_err, "turning on non blocking io\n");
1.2 bcook 1737: if (!BIO_socket_nbio(s, 1))
1.1 jsing 1738: ERR_print_errors(bio_err);
1739: }
1740:
1741: /* lets make the output buffer a reasonable size */
1742: if (!BIO_set_write_buffer_size(io, bufsize))
1743: goto err;
1744:
1745: if ((con = SSL_new(ctx)) == NULL)
1746: goto err;
1747: if (s_tlsextdebug) {
1748: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1749: SSL_set_tlsext_debug_arg(con, bio_s_out);
1750: }
1751: if (context)
1752: SSL_set_session_id_context(con, context,
1753: strlen((char *) context));
1754:
1755: sbio = BIO_new_socket(s, BIO_NOCLOSE);
1756: if (s_nbio_test) {
1757: BIO *test;
1758:
1759: test = BIO_new(BIO_f_nbio_test());
1760: sbio = BIO_push(test, sbio);
1761: }
1762: SSL_set_bio(con, sbio, sbio);
1763: SSL_set_accept_state(con);
1764:
1765: /* SSL_set_fd(con,s); */
1766: BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
1767: BIO_push(io, ssl_bio);
1768:
1769: if (s_debug) {
1770: SSL_set_debug(con, 1);
1771: BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
1772: BIO_set_callback_arg(SSL_get_rbio(con), (char *) bio_s_out);
1773: }
1774: if (s_msg) {
1775: SSL_set_msg_callback(con, msg_cb);
1776: SSL_set_msg_callback_arg(con, bio_s_out);
1777: }
1778: for (;;) {
1779: i = BIO_gets(io, buf, bufsize - 1);
1780: if (i < 0) { /* error */
1781: if (!BIO_should_retry(io)) {
1782: if (!s_quiet)
1783: ERR_print_errors(bio_err);
1784: goto err;
1785: } else {
1786: BIO_printf(bio_s_out, "read R BLOCK\n");
1787: sleep(1);
1788: continue;
1789: }
1790: } else if (i == 0) { /* end of input */
1791: ret = 1;
1792: goto end;
1793: }
1794: /* else we have data */
1795: if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
1796: ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
1797: char *p;
1798: X509 *peer;
1799: STACK_OF(SSL_CIPHER) * sk;
1800: static const char *space = " ";
1801:
1802: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1803: BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1804: BIO_puts(io, "<pre>\n");
1805: /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1806: BIO_puts(io, "\n");
1807: for (i = 0; i < local_argc; i++) {
1808: BIO_puts(io, local_argv[i]);
1809: BIO_write(io, " ", 1);
1810: }
1811: BIO_puts(io, "\n");
1812:
1813: BIO_printf(io,
1814: "Secure Renegotiation IS%s supported\n",
1815: SSL_get_secure_renegotiation_support(con) ?
1816: "" : " NOT");
1817:
1818: /*
1819: * The following is evil and should not really be
1820: * done
1821: */
1822: BIO_printf(io, "Ciphers supported in s_server binary\n");
1823: sk = SSL_get_ciphers(con);
1824: j = sk_SSL_CIPHER_num(sk);
1825: for (i = 0; i < j; i++) {
1826: c = sk_SSL_CIPHER_value(sk, i);
1827: BIO_printf(io, "%-11s:%-25s",
1828: SSL_CIPHER_get_version(c),
1829: SSL_CIPHER_get_name(c));
1830: if ((((i + 1) % 2) == 0) && (i + 1 != j))
1831: BIO_puts(io, "\n");
1832: }
1833: BIO_puts(io, "\n");
1834: p = SSL_get_shared_ciphers(con, buf, bufsize);
1835: if (p != NULL) {
1836: BIO_printf(io, "---\nCiphers common between both SSL end points:\n");
1837: j = i = 0;
1838: while (*p) {
1839: if (*p == ':') {
1840: BIO_write(io, space, 26 - j);
1841: i++;
1842: j = 0;
1843: BIO_write(io, ((i % 3) ? " " : "\n"), 1);
1844: } else {
1845: BIO_write(io, p, 1);
1846: j++;
1847: }
1848: p++;
1849: }
1850: BIO_puts(io, "\n");
1851: }
1852: BIO_printf(io, (SSL_cache_hit(con)
1853: ? "---\nReused, "
1854: : "---\nNew, "));
1855: c = SSL_get_current_cipher(con);
1856: BIO_printf(io, "%s, Cipher is %s\n",
1857: SSL_CIPHER_get_version(c),
1858: SSL_CIPHER_get_name(c));
1859: SSL_SESSION_print(io, SSL_get_session(con));
1860: BIO_printf(io, "---\n");
1861: print_stats(io, SSL_get_SSL_CTX(con));
1862: BIO_printf(io, "---\n");
1863: peer = SSL_get_peer_certificate(con);
1864: if (peer != NULL) {
1865: BIO_printf(io, "Client certificate\n");
1866: X509_print(io, peer);
1867: PEM_write_bio_X509(io, peer);
1868: } else
1869: BIO_puts(io, "no client certificate available\n");
1870: BIO_puts(io, "</BODY></HTML>\r\n\r\n");
1871: break;
1872: } else if ((www == 2 || www == 3)
1873: && (strncmp("GET /", buf, 5) == 0)) {
1874: BIO *file;
1875: char *p, *e;
1876: static const char *text = "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1877:
1878: /* skip the '/' */
1879: p = &(buf[5]);
1880:
1881: dot = 1;
1882: for (e = p; *e != '\0'; e++) {
1883: if (e[0] == ' ')
1884: break;
1885:
1886: switch (dot) {
1887: case 1:
1888: dot = (e[0] == '.') ? 2 : 0;
1889: break;
1890: case 2:
1891: dot = (e[0] == '.') ? 3 : 0;
1892: break;
1893: case 3:
1894: dot = (e[0] == '/') ? -1 : 0;
1895: break;
1896: }
1897: if (dot == 0)
1898: dot = (e[0] == '/') ? 1 : 0;
1899: }
1900: dot = (dot == 3) || (dot == -1); /* filename contains
1901: * ".." component */
1902:
1903: if (*e == '\0') {
1904: BIO_puts(io, text);
1905: BIO_printf(io, "'%s' is an invalid file name\r\n", p);
1906: break;
1907: }
1908: *e = '\0';
1909:
1910: if (dot) {
1911: BIO_puts(io, text);
1912: BIO_printf(io, "'%s' contains '..' reference\r\n", p);
1913: break;
1914: }
1915: if (*p == '/') {
1916: BIO_puts(io, text);
1917: BIO_printf(io, "'%s' is an invalid path\r\n", p);
1918: break;
1919: }
1920: /* if a directory, do the index thang */
1921: if (app_isdir(p) > 0) {
1922: BIO_puts(io, text);
1923: BIO_printf(io, "'%s' is a directory\r\n", p);
1924: break;
1925: }
1926: if ((file = BIO_new_file(p, "r")) == NULL) {
1927: BIO_puts(io, text);
1928: BIO_printf(io, "Error opening '%s'\r\n", p);
1929: ERR_print_errors(io);
1930: break;
1931: }
1932: if (!s_quiet)
1933: BIO_printf(bio_err, "FILE:%s\n", p);
1934:
1935: if (www == 2) {
1936: i = strlen(p);
1937: if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
1938: ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
1939: ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
1940: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1941: else
1942: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1943: }
1944: /* send the file */
1945: for (;;) {
1946: i = BIO_read(file, buf, bufsize);
1947: if (i <= 0)
1948: break;
1949:
1950: #ifdef RENEG
1951: total_bytes += i;
1952: fprintf(stderr, "%d\n", i);
1953: if (total_bytes > 3 * 1024) {
1954: total_bytes = 0;
1955: fprintf(stderr, "RENEGOTIATE\n");
1956: SSL_renegotiate(con);
1957: }
1958: #endif
1959:
1960: for (j = 0; j < i;) {
1961: #ifdef RENEG
1962: {
1963: static count = 0;
1964: if (++count == 13) {
1965: SSL_renegotiate(con);
1966: }
1967: }
1968: #endif
1969: k = BIO_write(io, &(buf[j]), i - j);
1970: if (k <= 0) {
1971: if (!BIO_should_retry(io))
1972: goto write_error;
1973: else {
1974: BIO_printf(bio_s_out, "rwrite W BLOCK\n");
1975: }
1976: } else {
1977: j += k;
1978: }
1979: }
1980: }
1981: write_error:
1982: BIO_free(file);
1983: break;
1984: }
1985: }
1986:
1987: for (;;) {
1988: i = (int) BIO_flush(io);
1989: if (i <= 0) {
1990: if (!BIO_should_retry(io))
1991: break;
1992: } else
1993: break;
1994: }
1995: end:
1996: /* make sure we re-use sessions */
1997: SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
1998:
1999: err:
2000:
2001: if (ret >= 0)
2002: BIO_printf(bio_s_out, "ACCEPT\n");
2003:
2004: if (buf != NULL)
2005: free(buf);
2006: if (io != NULL)
2007: BIO_free_all(io);
2008: /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2009: return (ret);
2010: }
2011:
2012: #define MAX_SESSION_ID_ATTEMPTS 10
2013: static int
2014: generate_session_id(const SSL * ssl, unsigned char *id,
2015: unsigned int *id_len)
2016: {
2017: unsigned int count = 0;
2018: do {
1.3 jsing 2019: arc4random_buf(id, *id_len);
1.1 jsing 2020: /*
2021: * Prefix the session_id with the required prefix. NB: If our
2022: * prefix is too long, clip it - but there will be worse
2023: * effects anyway, eg. the server could only possibly create
2024: * 1 session ID (ie. the prefix!) so all future session
2025: * negotiations will fail due to conflicts.
2026: */
2027: memcpy(id, session_id_prefix,
2028: (strlen(session_id_prefix) < *id_len) ?
2029: strlen(session_id_prefix) : *id_len);
2030: }
2031: while (SSL_has_matching_session_id(ssl, id, *id_len) &&
2032: (++count < MAX_SESSION_ID_ATTEMPTS));
2033: if (count >= MAX_SESSION_ID_ATTEMPTS)
2034: return 0;
2035: return 1;
2036: }