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1.27 ! jsing 1: /* $OpenBSD: s_server.c,v 1.26 2017/04/18 02:15:50 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");
1.8 jsing 336: BIO_printf(bio_err," -alpn arg - set the advertised protocols for the ALPN extension (comma-separated list)\n");
1.1 jsing 337: #ifndef OPENSSL_NO_SRTP
338: BIO_printf(bio_err, " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
339: #endif
340: BIO_printf(bio_err, " -keymatexport label - Export keying material using label\n");
341: BIO_printf(bio_err, " -keymatexportlen len - Export len bytes of keying material (default 20)\n");
342: }
343:
344: static int local_argc = 0;
345: static char **local_argv;
346:
347:
348: /* This is a context that we pass to callbacks */
349: typedef struct tlsextctx_st {
350: char *servername;
351: BIO *biodebug;
352: int extension_error;
353: } tlsextctx;
354:
355:
356: static int
357: ssl_servername_cb(SSL * s, int *ad, void *arg)
358: {
359: tlsextctx *p = (tlsextctx *) arg;
360: const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
361: if (servername && p->biodebug)
362: BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n", servername);
363:
364: if (!p->servername)
365: return SSL_TLSEXT_ERR_NOACK;
366:
367: if (servername) {
368: if (strcmp(servername, p->servername))
369: return p->extension_error;
370: if (ctx2) {
371: BIO_printf(p->biodebug, "Switching server context.\n");
372: SSL_set_SSL_CTX(s, ctx2);
373: }
374: }
375: return SSL_TLSEXT_ERR_OK;
376: }
377:
378: /* Structure passed to cert status callback */
379:
380: typedef struct tlsextstatusctx_st {
381: /* Default responder to use */
382: char *host, *path, *port;
383: int use_ssl;
384: int timeout;
385: BIO *err;
386: int verbose;
387: } tlsextstatusctx;
388:
389: static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
390:
391: /* Certificate Status callback. This is called when a client includes a
392: * certificate status request extension.
393: *
394: * This is a simplified version. It examines certificates each time and
395: * makes one OCSP responder query for each request.
396: *
397: * A full version would store details such as the OCSP certificate IDs and
398: * minimise the number of OCSP responses by caching them until they were
399: * considered "expired".
400: */
401:
402: static int
403: cert_status_cb(SSL * s, void *arg)
404: {
405: tlsextstatusctx *srctx = arg;
406: BIO *err = srctx->err;
407: char *host, *port, *path;
408: int use_ssl;
409: unsigned char *rspder = NULL;
410: int rspderlen;
411: STACK_OF(OPENSSL_STRING) * aia = NULL;
412: X509 *x = NULL;
413: X509_STORE_CTX inctx;
414: X509_OBJECT obj;
415: OCSP_REQUEST *req = NULL;
416: OCSP_RESPONSE *resp = NULL;
417: OCSP_CERTID *id = NULL;
418: STACK_OF(X509_EXTENSION) * exts;
419: int ret = SSL_TLSEXT_ERR_NOACK;
420: int i;
421:
422: if (srctx->verbose)
423: BIO_puts(err, "cert_status: callback called\n");
424: /* Build up OCSP query from server certificate */
425: x = SSL_get_certificate(s);
426: aia = X509_get1_ocsp(x);
427: if (aia) {
428: if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
429: &host, &port, &path, &use_ssl)) {
430: BIO_puts(err, "cert_status: can't parse AIA URL\n");
431: goto err;
432: }
433: if (srctx->verbose)
434: BIO_printf(err, "cert_status: AIA URL: %s\n",
435: sk_OPENSSL_STRING_value(aia, 0));
436: } else {
437: if (!srctx->host) {
438: BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
439: goto done;
440: }
441: host = srctx->host;
442: path = srctx->path;
443: port = srctx->port;
444: use_ssl = srctx->use_ssl;
445: }
446:
447: if (!X509_STORE_CTX_init(&inctx,
448: SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
449: NULL, NULL))
450: goto err;
451: if (X509_STORE_get_by_subject(&inctx, X509_LU_X509,
452: X509_get_issuer_name(x), &obj) <= 0) {
453: BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
454: X509_STORE_CTX_cleanup(&inctx);
455: goto done;
456: }
457: req = OCSP_REQUEST_new();
458: if (!req)
459: goto err;
460: id = OCSP_cert_to_id(NULL, x, obj.data.x509);
461: X509_free(obj.data.x509);
462: X509_STORE_CTX_cleanup(&inctx);
463: if (!id)
464: goto err;
465: if (!OCSP_request_add0_id(req, id))
466: goto err;
467: id = NULL;
468: /* Add any extensions to the request */
469: SSL_get_tlsext_status_exts(s, &exts);
470: for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
471: X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
472: if (!OCSP_REQUEST_add_ext(req, ext, -1))
473: goto err;
474: }
475: resp = process_responder(err, req, host, path, port, use_ssl, NULL,
476: srctx->timeout);
477: if (!resp) {
478: BIO_puts(err, "cert_status: error querying responder\n");
479: goto done;
480: }
481: rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
482: if (rspderlen <= 0)
483: goto err;
484: SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
485: if (srctx->verbose) {
486: BIO_puts(err, "cert_status: ocsp response sent:\n");
487: OCSP_RESPONSE_print(err, resp, 2);
488: }
489: ret = SSL_TLSEXT_ERR_OK;
490: done:
491: if (ret != SSL_TLSEXT_ERR_OK)
492: ERR_print_errors(err);
493: if (aia) {
494: free(host);
495: free(path);
496: free(port);
497: X509_email_free(aia);
498: }
499: if (id)
500: OCSP_CERTID_free(id);
501: if (req)
502: OCSP_REQUEST_free(req);
503: if (resp)
504: OCSP_RESPONSE_free(resp);
505: return ret;
506: err:
507: ret = SSL_TLSEXT_ERR_ALERT_FATAL;
508: goto done;
509: }
510:
1.8 jsing 511: /* This the context that we pass to alpn_cb */
512: typedef struct tlsextalpnctx_st {
513: unsigned char *data;
514: unsigned short len;
515: } tlsextalpnctx;
516:
517: static int
518: alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
519: const unsigned char *in, unsigned int inlen, void *arg)
520: {
521: tlsextalpnctx *alpn_ctx = arg;
522:
523: if (!s_quiet) {
524: /* We can assume that in is syntactically valid. */
525: unsigned i;
526:
527: BIO_printf(bio_s_out,
528: "ALPN protocols advertised by the client: ");
529: for (i = 0; i < inlen; ) {
530: if (i)
531: BIO_write(bio_s_out, ", ", 2);
532: BIO_write(bio_s_out, &in[i + 1], in[i]);
533: i += in[i] + 1;
534: }
535: BIO_write(bio_s_out, "\n", 1);
536: }
537:
538: if (SSL_select_next_proto((unsigned char**)out, outlen, alpn_ctx->data,
539: alpn_ctx->len, in, inlen) != OPENSSL_NPN_NEGOTIATED)
540: return (SSL_TLSEXT_ERR_NOACK);
541:
542: if (!s_quiet) {
543: BIO_printf(bio_s_out, "ALPN protocols selected: ");
544: BIO_write(bio_s_out, *out, *outlen);
545: BIO_write(bio_s_out, "\n", 1);
546: }
547:
548: return (SSL_TLSEXT_ERR_OK);
549: }
1.1 jsing 550:
551: #ifndef OPENSSL_NO_SRTP
552: static char *srtp_profiles = NULL;
553: #endif
554:
555: int
556: s_server_main(int argc, char *argv[])
557: {
558: X509_VERIFY_PARAM *vpm = NULL;
559: int badarg = 0;
560: short port = PORT;
561: char *CApath = NULL, *CAfile = NULL;
562: unsigned char *context = NULL;
563: char *dhfile = NULL;
564: char *named_curve = NULL;
565: int badop = 0, bugs = 0;
566: int ret = 1;
567: int off = 0;
1.5 jsing 568: int no_dhe = 0, no_ecdhe = 0, nocert = 0;
1.1 jsing 569: int state = 0;
570: const SSL_METHOD *meth = NULL;
571: int socket_type = SOCK_STREAM;
572: int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
573: char *passarg = NULL, *pass = NULL;
574: char *dpassarg = NULL, *dpass = NULL;
575: int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
576: X509 *s_cert = NULL, *s_dcert = NULL;
577: EVP_PKEY *s_key = NULL, *s_dkey = NULL;
578: int no_cache = 0;
579: const char *errstr = NULL;
580: EVP_PKEY *s_key2 = NULL;
581: X509 *s_cert2 = NULL;
582: tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
1.8 jsing 583: const char *alpn_in = NULL;
584: tlsextalpnctx alpn_ctx = { NULL, 0 };
1.20 doug 585:
586: if (single_execution) {
1.25 deraadt 587: if (pledge("stdio rpath inet dns tty", NULL) == -1) {
1.20 doug 588: perror("pledge");
1.22 doug 589: exit(1);
590: }
1.20 doug 591: }
592:
1.1 jsing 593: meth = SSLv23_server_method();
594:
595: local_argc = argc;
596: local_argv = argv;
597:
598: s_server_init();
599:
600: verify_depth = 0;
601: s_nbio = 0;
602: s_nbio_test = 0;
603:
604: argc--;
605: argv++;
606:
607: while (argc >= 1) {
608: if ((strcmp(*argv, "-port") == 0) ||
609: (strcmp(*argv, "-accept") == 0)) {
610: if (--argc < 1)
611: goto bad;
612: if (!extract_port(*(++argv), &port))
613: goto bad;
614: } else if (strcmp(*argv, "-verify") == 0) {
615: s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
616: if (--argc < 1)
617: goto bad;
618: verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr);
619: if (errstr)
620: goto bad;
621: BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
622: } else if (strcmp(*argv, "-Verify") == 0) {
623: s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
624: SSL_VERIFY_CLIENT_ONCE;
625: if (--argc < 1)
626: goto bad;
627: verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr);
628: if (errstr)
629: goto bad;
630: BIO_printf(bio_err, "verify depth is %d, must return a certificate\n", verify_depth);
631: } else if (strcmp(*argv, "-context") == 0) {
632: if (--argc < 1)
633: goto bad;
634: context = (unsigned char *) *(++argv);
635: } else if (strcmp(*argv, "-cert") == 0) {
636: if (--argc < 1)
637: goto bad;
638: s_cert_file = *(++argv);
639: } else if (strcmp(*argv, "-certform") == 0) {
640: if (--argc < 1)
641: goto bad;
642: s_cert_format = str2fmt(*(++argv));
643: } else if (strcmp(*argv, "-key") == 0) {
644: if (--argc < 1)
645: goto bad;
646: s_key_file = *(++argv);
647: } else if (strcmp(*argv, "-keyform") == 0) {
648: if (--argc < 1)
649: goto bad;
650: s_key_format = str2fmt(*(++argv));
651: } else if (strcmp(*argv, "-pass") == 0) {
652: if (--argc < 1)
653: goto bad;
654: passarg = *(++argv);
655: } else if (strcmp(*argv, "-dhparam") == 0) {
656: if (--argc < 1)
657: goto bad;
658: dhfile = *(++argv);
659: }
660: else if (strcmp(*argv, "-named_curve") == 0) {
661: if (--argc < 1)
662: goto bad;
663: named_curve = *(++argv);
664: }
665: else if (strcmp(*argv, "-dcertform") == 0) {
666: if (--argc < 1)
667: goto bad;
668: s_dcert_format = str2fmt(*(++argv));
669: } else if (strcmp(*argv, "-dcert") == 0) {
670: if (--argc < 1)
671: goto bad;
672: s_dcert_file = *(++argv);
673: } else if (strcmp(*argv, "-dkeyform") == 0) {
674: if (--argc < 1)
675: goto bad;
676: s_dkey_format = str2fmt(*(++argv));
677: } else if (strcmp(*argv, "-dpass") == 0) {
678: if (--argc < 1)
679: goto bad;
680: dpassarg = *(++argv);
681: } else if (strcmp(*argv, "-dkey") == 0) {
682: if (--argc < 1)
683: goto bad;
684: s_dkey_file = *(++argv);
685: } else if (strcmp(*argv, "-nocert") == 0) {
686: nocert = 1;
687: } else if (strcmp(*argv, "-CApath") == 0) {
688: if (--argc < 1)
689: goto bad;
690: CApath = *(++argv);
691: } else if (strcmp(*argv, "-no_cache") == 0)
692: no_cache = 1;
693: else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
694: if (badarg)
695: goto bad;
696: continue;
697: } else if (strcmp(*argv, "-verify_return_error") == 0)
698: verify_return_error = 1;
699: else if (strcmp(*argv, "-serverpref") == 0) {
700: off |= SSL_OP_CIPHER_SERVER_PREFERENCE;
701: } else if (strcmp(*argv, "-legacy_renegotiation") == 0)
702: ; /* no-op */
703: else if (strcmp(*argv, "-cipher") == 0) {
704: if (--argc < 1)
705: goto bad;
706: cipher = *(++argv);
707: } else if (strcmp(*argv, "-CAfile") == 0) {
708: if (--argc < 1)
709: goto bad;
710: CAfile = *(++argv);
711: }
712: else if (strcmp(*argv, "-nbio") == 0) {
713: s_nbio = 1;
714: }
715: else if (strcmp(*argv, "-nbio_test") == 0) {
716: s_nbio = 1;
717: s_nbio_test = 1;
718: } else if (strcmp(*argv, "-debug") == 0) {
719: s_debug = 1;
720: }
721: else if (strcmp(*argv, "-tlsextdebug") == 0)
722: s_tlsextdebug = 1;
723: else if (strcmp(*argv, "-status") == 0)
724: s_tlsextstatus = 1;
725: else if (strcmp(*argv, "-status_verbose") == 0) {
726: s_tlsextstatus = 1;
727: tlscstatp.verbose = 1;
728: } else if (!strcmp(*argv, "-status_timeout")) {
729: s_tlsextstatus = 1;
730: if (--argc < 1)
731: goto bad;
732: tlscstatp.timeout = strtonum(*(++argv), 0, INT_MAX, &errstr);
733: if (errstr)
734: goto bad;
735: } else if (!strcmp(*argv, "-status_url")) {
736: s_tlsextstatus = 1;
737: if (--argc < 1)
738: goto bad;
739: if (!OCSP_parse_url(*(++argv),
740: &tlscstatp.host,
741: &tlscstatp.port,
742: &tlscstatp.path,
743: &tlscstatp.use_ssl)) {
744: BIO_printf(bio_err, "Error parsing URL\n");
745: goto bad;
746: }
747: }
748: else if (strcmp(*argv, "-msg") == 0) {
749: s_msg = 1;
750: } else if (strcmp(*argv, "-state") == 0) {
751: state = 1;
752: } else if (strcmp(*argv, "-crlf") == 0) {
753: s_crlf = 1;
754: } else if (strcmp(*argv, "-quiet") == 0) {
755: s_quiet = 1;
756: } else if (strcmp(*argv, "-bugs") == 0) {
757: bugs = 1;
758: } else if (strcmp(*argv, "-no_tmp_rsa") == 0) {
1.5 jsing 759: /* No-op. */
1.1 jsing 760: } else if (strcmp(*argv, "-no_dhe") == 0) {
761: no_dhe = 1;
762: } else if (strcmp(*argv, "-no_ecdhe") == 0) {
763: no_ecdhe = 1;
1.5 jsing 764: } else if (strcmp(*argv, "-www") == 0) {
1.1 jsing 765: www = 1;
766: } else if (strcmp(*argv, "-WWW") == 0) {
767: www = 2;
768: } else if (strcmp(*argv, "-HTTP") == 0) {
769: www = 3;
770: } else if (strcmp(*argv, "-no_ssl2") == 0) {
771: off |= SSL_OP_NO_SSLv2;
772: } else if (strcmp(*argv, "-no_ssl3") == 0) {
773: off |= SSL_OP_NO_SSLv3;
774: } else if (strcmp(*argv, "-no_tls1") == 0) {
775: off |= SSL_OP_NO_TLSv1;
776: } else if (strcmp(*argv, "-no_tls1_1") == 0) {
777: off |= SSL_OP_NO_TLSv1_1;
778: } else if (strcmp(*argv, "-no_tls1_2") == 0) {
779: off |= SSL_OP_NO_TLSv1_2;
780: } else if (strcmp(*argv, "-no_comp") == 0) {
781: off |= SSL_OP_NO_COMPRESSION;
1.13 doug 782: } else if (strcmp(*argv, "-no_ticket") == 0) {
1.1 jsing 783: off |= SSL_OP_NO_TICKET;
784: } else if (strcmp(*argv, "-tls1") == 0) {
785: meth = TLSv1_server_method();
786: } else if (strcmp(*argv, "-tls1_1") == 0) {
787: meth = TLSv1_1_server_method();
788: } else if (strcmp(*argv, "-tls1_2") == 0) {
789: meth = TLSv1_2_server_method();
790: }
791: #ifndef OPENSSL_NO_DTLS1
792: else if (strcmp(*argv, "-dtls1") == 0) {
793: meth = DTLSv1_server_method();
794: socket_type = SOCK_DGRAM;
795: } else if (strcmp(*argv, "-timeout") == 0)
796: enable_timeouts = 1;
797: else if (strcmp(*argv, "-mtu") == 0) {
798: if (--argc < 1)
799: goto bad;
800: socket_mtu = strtonum(*(++argv), 0, LONG_MAX, &errstr);
801: if (errstr)
802: goto bad;
803: } else if (strcmp(*argv, "-chain") == 0)
804: cert_chain = 1;
805: #endif
806: else if (strcmp(*argv, "-id_prefix") == 0) {
807: if (--argc < 1)
808: goto bad;
809: session_id_prefix = *(++argv);
810: }
811: else if (strcmp(*argv, "-servername") == 0) {
812: if (--argc < 1)
813: goto bad;
814: tlsextcbp.servername = *(++argv);
815: } else if (strcmp(*argv, "-servername_fatal") == 0) {
816: tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL;
817: } else if (strcmp(*argv, "-cert2") == 0) {
818: if (--argc < 1)
819: goto bad;
820: s_cert_file2 = *(++argv);
821: } else if (strcmp(*argv, "-key2") == 0) {
822: if (--argc < 1)
823: goto bad;
824: s_key_file2 = *(++argv);
1.27 ! jsing 825: } else if (strcmp(*argv, "-nextprotoneg") == 0) {
! 826: /* Ignored. */
1.1 jsing 827: if (--argc < 1)
828: goto bad;
1.27 ! jsing 829: ++argv;
! 830: } else if (strcmp(*argv,"-alpn") == 0) {
1.8 jsing 831: if (--argc < 1)
832: goto bad;
833: alpn_in = *(++argv);
834: }
1.1 jsing 835: #ifndef OPENSSL_NO_SRTP
836: else if (strcmp(*argv, "-use_srtp") == 0) {
837: if (--argc < 1)
838: goto bad;
839: srtp_profiles = *(++argv);
840: }
841: #endif
842: else if (strcmp(*argv, "-keymatexport") == 0) {
843: if (--argc < 1)
844: goto bad;
845: keymatexportlabel = *(++argv);
846: } else if (strcmp(*argv, "-keymatexportlen") == 0) {
847: if (--argc < 1)
848: goto bad;
849: keymatexportlen = strtonum(*(++argv), 1, INT_MAX, &errstr);
850: if (errstr)
851: goto bad;
852: } else {
853: BIO_printf(bio_err, "unknown option %s\n", *argv);
854: badop = 1;
855: break;
856: }
857: argc--;
858: argv++;
859: }
860: if (badop) {
861: bad:
862: if (errstr)
863: BIO_printf(bio_err, "invalid argument %s: %s\n",
864: *argv, errstr);
865: else
866: sv_usage();
867: goto end;
868: }
869:
870: if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) {
871: BIO_printf(bio_err, "Error getting password\n");
872: goto end;
873: }
874: if (s_key_file == NULL)
875: s_key_file = s_cert_file;
876: if (s_key_file2 == NULL)
877: s_key_file2 = s_cert_file2;
878:
879: if (nocert == 0) {
1.17 bcook 880: s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass,
1.1 jsing 881: "server certificate private key file");
882: if (!s_key) {
883: ERR_print_errors(bio_err);
884: goto end;
885: }
886: s_cert = load_cert(bio_err, s_cert_file, s_cert_format,
1.17 bcook 887: NULL, "server certificate file");
1.1 jsing 888:
889: if (!s_cert) {
890: ERR_print_errors(bio_err);
891: goto end;
892: }
893: if (tlsextcbp.servername) {
1.17 bcook 894: s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass,
1.1 jsing 895: "second server certificate private key file");
896: if (!s_key2) {
897: ERR_print_errors(bio_err);
898: goto end;
899: }
900: s_cert2 = load_cert(bio_err, s_cert_file2, s_cert_format,
1.17 bcook 901: NULL, "second server certificate file");
1.1 jsing 902:
903: if (!s_cert2) {
904: ERR_print_errors(bio_err);
905: goto end;
906: }
907: }
908: }
1.8 jsing 909: alpn_ctx.data = NULL;
910: if (alpn_in) {
911: unsigned short len;
912: alpn_ctx.data = next_protos_parse(&len, alpn_in);
913: if (alpn_ctx.data == NULL)
914: goto end;
915: alpn_ctx.len = len;
916: }
1.1 jsing 917:
918: if (s_dcert_file) {
919:
920: if (s_dkey_file == NULL)
921: s_dkey_file = s_dcert_file;
922:
923: s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1.17 bcook 924: 0, dpass, "second certificate private key file");
1.1 jsing 925: if (!s_dkey) {
926: ERR_print_errors(bio_err);
927: goto end;
928: }
929: s_dcert = load_cert(bio_err, s_dcert_file, s_dcert_format,
1.17 bcook 930: NULL, "second server certificate file");
1.1 jsing 931:
932: if (!s_dcert) {
933: ERR_print_errors(bio_err);
934: goto end;
935: }
936: }
937: if (bio_s_out == NULL) {
938: if (s_quiet && !s_debug && !s_msg) {
939: bio_s_out = BIO_new(BIO_s_null());
940: } else {
941: if (bio_s_out == NULL)
942: bio_s_out = BIO_new_fp(stdout, BIO_NOCLOSE);
943: }
944: }
1.8 jsing 945: if (nocert) {
1.1 jsing 946: s_cert_file = NULL;
947: s_key_file = NULL;
948: s_dcert_file = NULL;
949: s_dkey_file = NULL;
950: s_cert_file2 = NULL;
951: s_key_file2 = NULL;
952: }
953: ctx = SSL_CTX_new(meth);
954: if (ctx == NULL) {
955: ERR_print_errors(bio_err);
956: goto end;
957: }
958: if (session_id_prefix) {
959: if (strlen(session_id_prefix) >= 32)
960: BIO_printf(bio_err,
961: "warning: id_prefix is too long, only one new session will be possible\n");
962: else if (strlen(session_id_prefix) >= 16)
963: BIO_printf(bio_err,
964: "warning: id_prefix is too long if you use SSLv2\n");
965: if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
966: BIO_printf(bio_err, "error setting 'id_prefix'\n");
967: ERR_print_errors(bio_err);
968: goto end;
969: }
970: BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
971: }
972: SSL_CTX_set_quiet_shutdown(ctx, 1);
973: if (bugs)
974: SSL_CTX_set_options(ctx, SSL_OP_ALL);
975: SSL_CTX_set_options(ctx, off);
976: /*
977: * DTLS: partial reads end up discarding unread UDP bytes :-( Setting
978: * read ahead solves this problem.
979: */
980: if (socket_type == SOCK_DGRAM)
981: SSL_CTX_set_read_ahead(ctx, 1);
982:
983: if (state)
984: SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
985: if (no_cache)
986: SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
987: else
988: SSL_CTX_sess_set_cache_size(ctx, 128);
989:
990: #ifndef OPENSSL_NO_SRTP
991: if (srtp_profiles != NULL)
992: SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
993: #endif
994:
995:
996: if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) ||
997: (!SSL_CTX_set_default_verify_paths(ctx))) {
998: /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
999: ERR_print_errors(bio_err);
1000: /* goto end; */
1001: }
1002: if (vpm)
1003: SSL_CTX_set1_param(ctx, vpm);
1004:
1005: if (s_cert2) {
1006: ctx2 = SSL_CTX_new(meth);
1007: if (ctx2 == NULL) {
1008: ERR_print_errors(bio_err);
1009: goto end;
1010: }
1011: }
1012: if (ctx2) {
1013: BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1014:
1015: if (session_id_prefix) {
1016: if (strlen(session_id_prefix) >= 32)
1017: BIO_printf(bio_err,
1018: "warning: id_prefix is too long, only one new session will be possible\n");
1019: else if (strlen(session_id_prefix) >= 16)
1020: BIO_printf(bio_err,
1021: "warning: id_prefix is too long if you use SSLv2\n");
1022: if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) {
1023: BIO_printf(bio_err, "error setting 'id_prefix'\n");
1024: ERR_print_errors(bio_err);
1025: goto end;
1026: }
1027: BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix);
1028: }
1029: SSL_CTX_set_quiet_shutdown(ctx2, 1);
1030: if (bugs)
1031: SSL_CTX_set_options(ctx2, SSL_OP_ALL);
1032: SSL_CTX_set_options(ctx2, off);
1033: /*
1034: * DTLS: partial reads end up discarding unread UDP bytes :-(
1035: * Setting read ahead solves this problem.
1036: */
1037: if (socket_type == SOCK_DGRAM)
1038: SSL_CTX_set_read_ahead(ctx2, 1);
1039:
1040: if (state)
1041: SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1042:
1043: if (no_cache)
1044: SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1045: else
1046: SSL_CTX_sess_set_cache_size(ctx2, 128);
1047:
1048: if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) ||
1049: (!SSL_CTX_set_default_verify_paths(ctx2))) {
1050: ERR_print_errors(bio_err);
1051: }
1052: if (vpm)
1053: SSL_CTX_set1_param(ctx2, vpm);
1054: }
1.8 jsing 1055: if (alpn_ctx.data)
1056: SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1.1 jsing 1057:
1058: #ifndef OPENSSL_NO_DH
1059: if (!no_dhe) {
1060: DH *dh = NULL;
1061:
1062: if (dhfile)
1063: dh = load_dh_param(dhfile);
1064: else if (s_cert_file)
1065: dh = load_dh_param(s_cert_file);
1066:
1.4 jsing 1067: if (dh != NULL)
1.1 jsing 1068: BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1.4 jsing 1069: else
1070: BIO_printf(bio_s_out, "Using auto DH parameters\n");
1071: (void) BIO_flush(bio_s_out);
1072:
1073: if (dh == NULL)
1074: SSL_CTX_set_dh_auto(ctx, 1);
1075: else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1076: BIO_printf(bio_err,
1077: "Error setting temp DH parameters\n");
1078: ERR_print_errors(bio_err);
1079: DH_free(dh);
1080: goto end;
1.1 jsing 1081: }
1082:
1083: if (ctx2) {
1084: if (!dhfile) {
1.14 doug 1085: DH *dh2 = NULL;
1086:
1087: if (s_cert_file2 != NULL)
1088: dh2 = load_dh_param(s_cert_file2);
1.1 jsing 1089: if (dh2 != NULL) {
1090: BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1091: (void) BIO_flush(bio_s_out);
1092:
1093: DH_free(dh);
1094: dh = dh2;
1095: }
1096: }
1.4 jsing 1097: if (dh == NULL)
1098: SSL_CTX_set_dh_auto(ctx2, 1);
1099: else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1100: BIO_printf(bio_err,
1101: "Error setting temp DH parameters\n");
1102: ERR_print_errors(bio_err);
1103: DH_free(dh);
1104: goto end;
1105: }
1.1 jsing 1106: }
1107: DH_free(dh);
1108: }
1109: #endif
1110:
1111: if (!no_ecdhe) {
1112: EC_KEY *ecdh = NULL;
1113:
1114: if (named_curve) {
1115: int nid = OBJ_sn2nid(named_curve);
1116:
1117: if (nid == 0) {
1118: BIO_printf(bio_err, "unknown curve name (%s)\n",
1119: named_curve);
1120: goto end;
1121: }
1122: ecdh = EC_KEY_new_by_curve_name(nid);
1123: if (ecdh == NULL) {
1124: BIO_printf(bio_err, "unable to create curve (%s)\n",
1125: named_curve);
1126: goto end;
1127: }
1128: }
1129: if (ecdh != NULL) {
1130: BIO_printf(bio_s_out, "Setting temp ECDH parameters\n");
1131: } else {
1132: BIO_printf(bio_s_out, "Using default temp ECDH parameters\n");
1133: ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1134: if (ecdh == NULL) {
1135: BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1136: goto end;
1137: }
1138: }
1139: (void) BIO_flush(bio_s_out);
1140:
1141: SSL_CTX_set_tmp_ecdh(ctx, ecdh);
1142: if (ctx2)
1143: SSL_CTX_set_tmp_ecdh(ctx2, ecdh);
1144: EC_KEY_free(ecdh);
1145: }
1146:
1147: if (!set_cert_key_stuff(ctx, s_cert, s_key))
1148: goto end;
1149: if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2))
1150: goto end;
1151: if (s_dcert != NULL) {
1152: if (!set_cert_key_stuff(ctx, s_dcert, s_dkey))
1153: goto end;
1154: }
1155:
1156: if (cipher != NULL) {
1157: if (!SSL_CTX_set_cipher_list(ctx, cipher)) {
1158: BIO_printf(bio_err, "error setting cipher list\n");
1159: ERR_print_errors(bio_err);
1160: goto end;
1161: }
1162: if (ctx2 && !SSL_CTX_set_cipher_list(ctx2, cipher)) {
1163: BIO_printf(bio_err, "error setting cipher list\n");
1164: ERR_print_errors(bio_err);
1165: goto end;
1166: }
1167: }
1168: SSL_CTX_set_verify(ctx, s_server_verify, verify_callback);
1169: SSL_CTX_set_session_id_context(ctx, (void *) &s_server_session_id_context,
1170: sizeof s_server_session_id_context);
1171:
1172: /* Set DTLS cookie generation and verification callbacks */
1173: SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1174: SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1175:
1176: if (ctx2) {
1177: SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback);
1178: SSL_CTX_set_session_id_context(ctx2, (void *) &s_server_session_id_context,
1179: sizeof s_server_session_id_context);
1180:
1181: tlsextcbp.biodebug = bio_s_out;
1182: SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1183: SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1184: SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1185: SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1186: }
1187:
1188: if (CAfile != NULL) {
1189: SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile));
1190: if (ctx2)
1191: SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile));
1192: }
1193: BIO_printf(bio_s_out, "ACCEPT\n");
1194: (void) BIO_flush(bio_s_out);
1195: if (www)
1196: do_server(port, socket_type, &accept_socket, www_body, context);
1197: else
1198: do_server(port, socket_type, &accept_socket, sv_body, context);
1199: print_stats(bio_s_out, ctx);
1200: ret = 0;
1201: end:
1202: if (ctx != NULL)
1203: SSL_CTX_free(ctx);
1204: if (s_cert)
1205: X509_free(s_cert);
1206: if (s_dcert)
1207: X509_free(s_dcert);
1208: if (s_key)
1209: EVP_PKEY_free(s_key);
1210: if (s_dkey)
1211: EVP_PKEY_free(s_dkey);
1212: free(pass);
1213: free(dpass);
1214: if (vpm)
1215: X509_VERIFY_PARAM_free(vpm);
1216: free(tlscstatp.host);
1217: free(tlscstatp.port);
1218: free(tlscstatp.path);
1219: if (ctx2 != NULL)
1220: SSL_CTX_free(ctx2);
1221: if (s_cert2)
1222: X509_free(s_cert2);
1223: if (s_key2)
1224: EVP_PKEY_free(s_key2);
1.8 jsing 1225: free(alpn_ctx.data);
1.1 jsing 1226: if (bio_s_out != NULL) {
1227: BIO_free(bio_s_out);
1228: bio_s_out = NULL;
1229: }
1230:
1231: return (ret);
1232: }
1233:
1234: static void
1235: print_stats(BIO * bio, SSL_CTX * ssl_ctx)
1236: {
1237: BIO_printf(bio, "%4ld items in the session cache\n",
1238: SSL_CTX_sess_number(ssl_ctx));
1239: BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
1240: SSL_CTX_sess_connect(ssl_ctx));
1241: BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
1242: SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1243: BIO_printf(bio, "%4ld client connects that finished\n",
1244: SSL_CTX_sess_connect_good(ssl_ctx));
1245: BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
1246: SSL_CTX_sess_accept(ssl_ctx));
1247: BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
1248: SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1249: BIO_printf(bio, "%4ld server accepts that finished\n",
1250: SSL_CTX_sess_accept_good(ssl_ctx));
1251: BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx));
1252: BIO_printf(bio, "%4ld session cache misses\n", SSL_CTX_sess_misses(ssl_ctx));
1253: BIO_printf(bio, "%4ld session cache timeouts\n", SSL_CTX_sess_timeouts(ssl_ctx));
1254: BIO_printf(bio, "%4ld callback cache hits\n", SSL_CTX_sess_cb_hits(ssl_ctx));
1255: BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
1256: SSL_CTX_sess_cache_full(ssl_ctx),
1257: SSL_CTX_sess_get_cache_size(ssl_ctx));
1258: }
1259:
1260: static int
1261: sv_body(char *hostname, int s, unsigned char *context)
1262: {
1263: char *buf = NULL;
1.7 deraadt 1264: int ret = 1;
1.1 jsing 1265: int k, i;
1266: unsigned long l;
1267: SSL *con = NULL;
1268: BIO *sbio;
1269: struct timeval timeout;
1270:
1271: if ((buf = malloc(bufsize)) == NULL) {
1272: BIO_printf(bio_err, "out of memory\n");
1273: goto err;
1274: }
1275: if (s_nbio) {
1276: if (!s_quiet)
1277: BIO_printf(bio_err, "turning on non blocking io\n");
1.2 bcook 1278: if (!BIO_socket_nbio(s, 1))
1.1 jsing 1279: ERR_print_errors(bio_err);
1280: }
1281:
1282: if (con == NULL) {
1283: con = SSL_new(ctx);
1284: if (s_tlsextdebug) {
1285: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1286: SSL_set_tlsext_debug_arg(con, bio_s_out);
1287: }
1288: if (s_tlsextstatus) {
1289: SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1290: tlscstatp.err = bio_err;
1291: SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1292: }
1293: if (context)
1294: SSL_set_session_id_context(con, context,
1295: strlen((char *) context));
1296: }
1297: SSL_clear(con);
1298:
1299: if (SSL_version(con) == DTLS1_VERSION) {
1300:
1301: sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1302:
1303: if (enable_timeouts) {
1304: timeout.tv_sec = 0;
1305: timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1306: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1307:
1308: timeout.tv_sec = 0;
1309: timeout.tv_usec = DGRAM_SND_TIMEOUT;
1310: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1311: }
1312: if (socket_mtu > 28) {
1313: SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1314: SSL_set_mtu(con, socket_mtu - 28);
1315: } else
1316: /* want to do MTU discovery */
1317: BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1318:
1319: /* turn on cookie exchange */
1320: SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
1321: } else
1322: sbio = BIO_new_socket(s, BIO_NOCLOSE);
1323:
1324: if (s_nbio_test) {
1325: BIO *test;
1326:
1327: test = BIO_new(BIO_f_nbio_test());
1328: sbio = BIO_push(test, sbio);
1329: }
1330:
1331: SSL_set_bio(con, sbio, sbio);
1332: SSL_set_accept_state(con);
1333: /* SSL_set_fd(con,s); */
1334:
1335: if (s_debug) {
1336: SSL_set_debug(con, 1);
1337: BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
1338: BIO_set_callback_arg(SSL_get_rbio(con), (char *) bio_s_out);
1339: }
1340: if (s_msg) {
1341: SSL_set_msg_callback(con, msg_cb);
1342: SSL_set_msg_callback_arg(con, bio_s_out);
1343: }
1344: if (s_tlsextdebug) {
1345: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1346: SSL_set_tlsext_debug_arg(con, bio_s_out);
1347: }
1348:
1349: for (;;) {
1350: int read_from_terminal;
1351: int read_from_sslcon;
1.7 deraadt 1352: struct pollfd pfd[2];
1353: int ptimeout;
1.1 jsing 1354:
1355: read_from_terminal = 0;
1356: read_from_sslcon = SSL_pending(con);
1357:
1358: if (!read_from_sslcon) {
1.7 deraadt 1359: pfd[0].fd = fileno(stdin);
1360: pfd[0].events = POLLIN;
1361: pfd[1].fd = s;
1362: pfd[1].events = POLLIN;
1363:
1.1 jsing 1364: if ((SSL_version(con) == DTLS1_VERSION) &&
1365: DTLSv1_get_timeout(con, &timeout))
1.7 deraadt 1366: ptimeout = timeout.tv_sec * 1000 +
1367: timeout.tv_usec / 1000;
1.1 jsing 1368: else
1.7 deraadt 1369: ptimeout = -1;
1.1 jsing 1370:
1.7 deraadt 1371: i = poll(pfd, 2, ptimeout);
1.1 jsing 1372:
1373: if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) {
1374: BIO_printf(bio_err, "TIMEOUT occured\n");
1375: }
1376: if (i <= 0)
1377: continue;
1.7 deraadt 1378: if (pfd[0].revents) {
1379: if ((pfd[0].revents & (POLLERR|POLLNVAL)))
1380: continue;
1.1 jsing 1381: read_from_terminal = 1;
1.7 deraadt 1382: }
1383: if (pfd[1].revents) {
1384: if ((pfd[1].revents & (POLLERR|POLLNVAL)))
1385: continue;
1.1 jsing 1386: read_from_sslcon = 1;
1.7 deraadt 1387: }
1.1 jsing 1388: }
1389: if (read_from_terminal) {
1390: if (s_crlf) {
1391: int j, lf_num;
1392:
1393: i = read(fileno(stdin), buf, bufsize / 2);
1394: lf_num = 0;
1395: /* both loops are skipped when i <= 0 */
1396: for (j = 0; j < i; j++)
1397: if (buf[j] == '\n')
1398: lf_num++;
1399: for (j = i - 1; j >= 0; j--) {
1400: buf[j + lf_num] = buf[j];
1401: if (buf[j] == '\n') {
1402: lf_num--;
1403: i++;
1404: buf[j + lf_num] = '\r';
1405: }
1406: }
1407: assert(lf_num == 0);
1408: } else
1409: i = read(fileno(stdin), buf, bufsize);
1410: if (!s_quiet) {
1411: if ((i <= 0) || (buf[0] == 'Q')) {
1412: BIO_printf(bio_s_out, "DONE\n");
1413: shutdown(s, SHUT_RD);
1414: close(s);
1415: close_accept_socket();
1416: ret = -11;
1417: goto err;
1418: }
1419: if ((i <= 0) || (buf[0] == 'q')) {
1420: BIO_printf(bio_s_out, "DONE\n");
1421: if (SSL_version(con) != DTLS1_VERSION) {
1422: shutdown(s, SHUT_RD);
1423: close(s);
1424: }
1425: /*
1426: * close_accept_socket(); ret= -11;
1427: */
1428: goto err;
1429: }
1430: if ((buf[0] == 'r') &&
1431: ((buf[1] == '\n') || (buf[1] == '\r'))) {
1432: SSL_renegotiate(con);
1433: i = SSL_do_handshake(con);
1434: printf("SSL_do_handshake -> %d\n", i);
1435: i = 0; /* 13; */
1436: continue;
1437: /*
1438: * RE-NEGOTIATE\n");
1439: */
1440: }
1441: if ((buf[0] == 'R') &&
1442: ((buf[1] == '\n') || (buf[1] == '\r'))) {
1443: SSL_set_verify(con,
1444: SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, NULL);
1445: SSL_renegotiate(con);
1446: i = SSL_do_handshake(con);
1447: printf("SSL_do_handshake -> %d\n", i);
1448: i = 0; /* 13; */
1449: continue;
1450: /*
1451: * RE-NEGOTIATE asking for client
1452: * cert\n");
1453: */
1454: }
1455: if (buf[0] == 'P') {
1456: static const char *str = "Lets print some clear text\n";
1457: BIO_write(SSL_get_wbio(con), str, strlen(str));
1458: }
1459: if (buf[0] == 'S') {
1460: print_stats(bio_s_out, SSL_get_SSL_CTX(con));
1461: }
1462: }
1463: l = k = 0;
1464: for (;;) {
1465: /* should do a select for the write */
1466: #ifdef RENEG
1467: {
1468: static count = 0;
1469: if (++count == 100) {
1470: count = 0;
1471: SSL_renegotiate(con);
1472: }
1473: }
1474: #endif
1475: k = SSL_write(con, &(buf[l]), (unsigned int) i);
1476: switch (SSL_get_error(con, k)) {
1477: case SSL_ERROR_NONE:
1478: break;
1479: case SSL_ERROR_WANT_WRITE:
1480: case SSL_ERROR_WANT_READ:
1481: case SSL_ERROR_WANT_X509_LOOKUP:
1482: BIO_printf(bio_s_out, "Write BLOCK\n");
1483: break;
1484: case SSL_ERROR_SYSCALL:
1485: case SSL_ERROR_SSL:
1486: BIO_printf(bio_s_out, "ERROR\n");
1487: ERR_print_errors(bio_err);
1488: ret = 1;
1489: goto err;
1490: /* break; */
1491: case SSL_ERROR_ZERO_RETURN:
1492: BIO_printf(bio_s_out, "DONE\n");
1493: ret = 1;
1494: goto err;
1495: }
1496: l += k;
1497: i -= k;
1498: if (i <= 0)
1499: break;
1500: }
1501: }
1502: if (read_from_sslcon) {
1503: if (!SSL_is_init_finished(con)) {
1504: i = init_ssl_connection(con);
1505:
1506: if (i < 0) {
1507: ret = 0;
1508: goto err;
1509: } else if (i == 0) {
1510: ret = 1;
1511: goto err;
1512: }
1513: } else {
1514: again:
1515: i = SSL_read(con, (char *) buf, bufsize);
1516: switch (SSL_get_error(con, i)) {
1517: case SSL_ERROR_NONE: {
1518: int len, n;
1519: for (len = 0; len < i;) {
1520: do {
1521: n = write(fileno(stdout), buf + len, i - len);
1522: } while (n == -1 && errno == EINTR);
1523:
1524: if (n < 0) {
1525: BIO_printf(bio_s_out, "ERROR\n");
1526: goto err;
1527: }
1528: len += n;
1529: }
1530: }
1531: if (SSL_pending(con))
1532: goto again;
1533: break;
1534: case SSL_ERROR_WANT_WRITE:
1535: case SSL_ERROR_WANT_READ:
1536: BIO_printf(bio_s_out, "Read BLOCK\n");
1537: break;
1538: case SSL_ERROR_SYSCALL:
1539: case SSL_ERROR_SSL:
1540: BIO_printf(bio_s_out, "ERROR\n");
1541: ERR_print_errors(bio_err);
1542: ret = 1;
1543: goto err;
1544: case SSL_ERROR_ZERO_RETURN:
1545: BIO_printf(bio_s_out, "DONE\n");
1546: ret = 1;
1547: goto err;
1548: }
1549: }
1550: }
1551: }
1552: err:
1553: if (con != NULL) {
1554: BIO_printf(bio_s_out, "shutting down SSL\n");
1555: SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
1556: SSL_free(con);
1557: }
1558: BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
1.26 deraadt 1559: freezero(buf, bufsize);
1.1 jsing 1560: if (ret >= 0)
1561: BIO_printf(bio_s_out, "ACCEPT\n");
1562: return (ret);
1563: }
1564:
1565: static void
1566: close_accept_socket(void)
1567: {
1568: BIO_printf(bio_err, "shutdown accept socket\n");
1569: if (accept_socket >= 0) {
1570: shutdown(accept_socket, SHUT_RDWR);
1571: close(accept_socket);
1572: }
1573: }
1574:
1575: static int
1576: init_ssl_connection(SSL * con)
1577: {
1578: int i;
1579: const char *str;
1580: X509 *peer;
1581: long verify_error;
1582: char buf[BUFSIZ];
1583: unsigned char *exportedkeymat;
1584:
1585: i = SSL_accept(con);
1586: if (i <= 0) {
1587: if (BIO_sock_should_retry(i)) {
1588: BIO_printf(bio_s_out, "DELAY\n");
1589: return (1);
1590: }
1591: BIO_printf(bio_err, "ERROR\n");
1592: verify_error = SSL_get_verify_result(con);
1593: if (verify_error != X509_V_OK) {
1594: BIO_printf(bio_err, "verify error:%s\n",
1595: X509_verify_cert_error_string(verify_error));
1596: } else
1597: ERR_print_errors(bio_err);
1598: return (0);
1599: }
1600: PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
1601:
1602: peer = SSL_get_peer_certificate(con);
1603: if (peer != NULL) {
1604: BIO_printf(bio_s_out, "Client certificate\n");
1605: PEM_write_bio_X509(bio_s_out, peer);
1606: X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
1607: BIO_printf(bio_s_out, "subject=%s\n", buf);
1608: X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
1609: BIO_printf(bio_s_out, "issuer=%s\n", buf);
1610: X509_free(peer);
1611: }
1612: if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
1613: BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
1614: str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1615: BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
1616:
1617: #ifndef OPENSSL_NO_SRTP
1618: {
1619: SRTP_PROTECTION_PROFILE *srtp_profile
1620: = SSL_get_selected_srtp_profile(con);
1621:
1622: if (srtp_profile)
1623: BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n",
1624: srtp_profile->name);
1625: }
1626: #endif
1627: if (SSL_cache_hit(con))
1628: BIO_printf(bio_s_out, "Reused session-id\n");
1629: BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
1630: SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
1631: if (keymatexportlabel != NULL) {
1632: BIO_printf(bio_s_out, "Keying material exporter:\n");
1633: BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel);
1634: BIO_printf(bio_s_out, " Length: %i bytes\n",
1635: keymatexportlen);
1636: exportedkeymat = malloc(keymatexportlen);
1637: if (exportedkeymat != NULL) {
1638: if (!SSL_export_keying_material(con, exportedkeymat,
1639: keymatexportlen,
1640: keymatexportlabel,
1641: strlen(keymatexportlabel),
1642: NULL, 0, 0)) {
1643: BIO_printf(bio_s_out, " Error\n");
1644: } else {
1645: BIO_printf(bio_s_out, " Keying material: ");
1646: for (i = 0; i < keymatexportlen; i++)
1647: BIO_printf(bio_s_out, "%02X",
1648: exportedkeymat[i]);
1649: BIO_printf(bio_s_out, "\n");
1650: }
1651: free(exportedkeymat);
1652: }
1653: }
1654: return (1);
1655: }
1656:
1657: #ifndef OPENSSL_NO_DH
1658: static DH *
1659: load_dh_param(const char *dhfile)
1660: {
1661: DH *ret = NULL;
1662: BIO *bio;
1663:
1664: if ((bio = BIO_new_file(dhfile, "r")) == NULL)
1665: goto err;
1666: ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
1667: err:
1668: BIO_free(bio);
1669: return (ret);
1670: }
1671: #endif
1672:
1673: static int
1674: www_body(char *hostname, int s, unsigned char *context)
1675: {
1676: char *buf = NULL;
1677: int ret = 1;
1678: int i, j, k, dot;
1679: SSL *con;
1680: const SSL_CIPHER *c;
1681: BIO *io, *ssl_bio, *sbio;
1682:
1683: buf = malloc(bufsize);
1684: if (buf == NULL)
1685: return (0);
1686: io = BIO_new(BIO_f_buffer());
1687: ssl_bio = BIO_new(BIO_f_ssl());
1688: if ((io == NULL) || (ssl_bio == NULL))
1689: goto err;
1690:
1691: if (s_nbio) {
1692: if (!s_quiet)
1693: BIO_printf(bio_err, "turning on non blocking io\n");
1.2 bcook 1694: if (!BIO_socket_nbio(s, 1))
1.1 jsing 1695: ERR_print_errors(bio_err);
1696: }
1697:
1698: /* lets make the output buffer a reasonable size */
1699: if (!BIO_set_write_buffer_size(io, bufsize))
1700: goto err;
1701:
1702: if ((con = SSL_new(ctx)) == NULL)
1703: goto err;
1704: if (s_tlsextdebug) {
1705: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1706: SSL_set_tlsext_debug_arg(con, bio_s_out);
1707: }
1708: if (context)
1709: SSL_set_session_id_context(con, context,
1710: strlen((char *) context));
1711:
1712: sbio = BIO_new_socket(s, BIO_NOCLOSE);
1713: if (s_nbio_test) {
1714: BIO *test;
1715:
1716: test = BIO_new(BIO_f_nbio_test());
1717: sbio = BIO_push(test, sbio);
1718: }
1719: SSL_set_bio(con, sbio, sbio);
1720: SSL_set_accept_state(con);
1721:
1722: /* SSL_set_fd(con,s); */
1723: BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
1724: BIO_push(io, ssl_bio);
1725:
1726: if (s_debug) {
1727: SSL_set_debug(con, 1);
1728: BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
1729: BIO_set_callback_arg(SSL_get_rbio(con), (char *) bio_s_out);
1730: }
1731: if (s_msg) {
1732: SSL_set_msg_callback(con, msg_cb);
1733: SSL_set_msg_callback_arg(con, bio_s_out);
1734: }
1735: for (;;) {
1736: i = BIO_gets(io, buf, bufsize - 1);
1737: if (i < 0) { /* error */
1738: if (!BIO_should_retry(io)) {
1739: if (!s_quiet)
1740: ERR_print_errors(bio_err);
1741: goto err;
1742: } else {
1743: BIO_printf(bio_s_out, "read R BLOCK\n");
1744: sleep(1);
1745: continue;
1746: }
1747: } else if (i == 0) { /* end of input */
1748: ret = 1;
1749: goto end;
1750: }
1751: /* else we have data */
1752: if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) ||
1753: ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) {
1754: char *p;
1755: X509 *peer;
1756: STACK_OF(SSL_CIPHER) * sk;
1757: static const char *space = " ";
1758:
1759: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1760: BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1761: BIO_puts(io, "<pre>\n");
1762: /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1763: BIO_puts(io, "\n");
1764: for (i = 0; i < local_argc; i++) {
1765: BIO_puts(io, local_argv[i]);
1766: BIO_write(io, " ", 1);
1767: }
1768: BIO_puts(io, "\n");
1769:
1770: BIO_printf(io,
1771: "Secure Renegotiation IS%s supported\n",
1772: SSL_get_secure_renegotiation_support(con) ?
1773: "" : " NOT");
1774:
1775: /*
1776: * The following is evil and should not really be
1777: * done
1778: */
1779: BIO_printf(io, "Ciphers supported in s_server binary\n");
1780: sk = SSL_get_ciphers(con);
1781: j = sk_SSL_CIPHER_num(sk);
1782: for (i = 0; i < j; i++) {
1783: c = sk_SSL_CIPHER_value(sk, i);
1784: BIO_printf(io, "%-11s:%-25s",
1785: SSL_CIPHER_get_version(c),
1786: SSL_CIPHER_get_name(c));
1787: if ((((i + 1) % 2) == 0) && (i + 1 != j))
1788: BIO_puts(io, "\n");
1789: }
1790: BIO_puts(io, "\n");
1791: p = SSL_get_shared_ciphers(con, buf, bufsize);
1792: if (p != NULL) {
1793: BIO_printf(io, "---\nCiphers common between both SSL end points:\n");
1794: j = i = 0;
1795: while (*p) {
1796: if (*p == ':') {
1797: BIO_write(io, space, 26 - j);
1798: i++;
1799: j = 0;
1800: BIO_write(io, ((i % 3) ? " " : "\n"), 1);
1801: } else {
1802: BIO_write(io, p, 1);
1803: j++;
1804: }
1805: p++;
1806: }
1807: BIO_puts(io, "\n");
1808: }
1809: BIO_printf(io, (SSL_cache_hit(con)
1810: ? "---\nReused, "
1811: : "---\nNew, "));
1812: c = SSL_get_current_cipher(con);
1813: BIO_printf(io, "%s, Cipher is %s\n",
1814: SSL_CIPHER_get_version(c),
1815: SSL_CIPHER_get_name(c));
1816: SSL_SESSION_print(io, SSL_get_session(con));
1817: BIO_printf(io, "---\n");
1818: print_stats(io, SSL_get_SSL_CTX(con));
1819: BIO_printf(io, "---\n");
1820: peer = SSL_get_peer_certificate(con);
1821: if (peer != NULL) {
1822: BIO_printf(io, "Client certificate\n");
1823: X509_print(io, peer);
1824: PEM_write_bio_X509(io, peer);
1825: } else
1826: BIO_puts(io, "no client certificate available\n");
1827: BIO_puts(io, "</BODY></HTML>\r\n\r\n");
1828: break;
1829: } else if ((www == 2 || www == 3)
1830: && (strncmp("GET /", buf, 5) == 0)) {
1831: BIO *file;
1832: char *p, *e;
1833: static const char *text = "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1834:
1835: /* skip the '/' */
1836: p = &(buf[5]);
1837:
1838: dot = 1;
1839: for (e = p; *e != '\0'; e++) {
1840: if (e[0] == ' ')
1841: break;
1842:
1843: switch (dot) {
1844: case 1:
1845: dot = (e[0] == '.') ? 2 : 0;
1846: break;
1847: case 2:
1848: dot = (e[0] == '.') ? 3 : 0;
1849: break;
1850: case 3:
1851: dot = (e[0] == '/') ? -1 : 0;
1852: break;
1853: }
1854: if (dot == 0)
1855: dot = (e[0] == '/') ? 1 : 0;
1856: }
1857: dot = (dot == 3) || (dot == -1); /* filename contains
1858: * ".." component */
1859:
1860: if (*e == '\0') {
1861: BIO_puts(io, text);
1862: BIO_printf(io, "'%s' is an invalid file name\r\n", p);
1863: break;
1864: }
1865: *e = '\0';
1866:
1867: if (dot) {
1868: BIO_puts(io, text);
1869: BIO_printf(io, "'%s' contains '..' reference\r\n", p);
1870: break;
1871: }
1872: if (*p == '/') {
1873: BIO_puts(io, text);
1874: BIO_printf(io, "'%s' is an invalid path\r\n", p);
1875: break;
1876: }
1877: /* if a directory, do the index thang */
1878: if (app_isdir(p) > 0) {
1879: BIO_puts(io, text);
1880: BIO_printf(io, "'%s' is a directory\r\n", p);
1881: break;
1882: }
1883: if ((file = BIO_new_file(p, "r")) == NULL) {
1884: BIO_puts(io, text);
1885: BIO_printf(io, "Error opening '%s'\r\n", p);
1886: ERR_print_errors(io);
1887: break;
1888: }
1889: if (!s_quiet)
1890: BIO_printf(bio_err, "FILE:%s\n", p);
1891:
1892: if (www == 2) {
1893: i = strlen(p);
1894: if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
1895: ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
1896: ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
1897: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1898: else
1899: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1900: }
1901: /* send the file */
1902: for (;;) {
1903: i = BIO_read(file, buf, bufsize);
1904: if (i <= 0)
1905: break;
1906:
1907: #ifdef RENEG
1908: total_bytes += i;
1909: fprintf(stderr, "%d\n", i);
1910: if (total_bytes > 3 * 1024) {
1911: total_bytes = 0;
1912: fprintf(stderr, "RENEGOTIATE\n");
1913: SSL_renegotiate(con);
1914: }
1915: #endif
1916:
1917: for (j = 0; j < i;) {
1918: #ifdef RENEG
1919: {
1920: static count = 0;
1921: if (++count == 13) {
1922: SSL_renegotiate(con);
1923: }
1924: }
1925: #endif
1926: k = BIO_write(io, &(buf[j]), i - j);
1927: if (k <= 0) {
1928: if (!BIO_should_retry(io))
1929: goto write_error;
1930: else {
1931: BIO_printf(bio_s_out, "rwrite W BLOCK\n");
1932: }
1933: } else {
1934: j += k;
1935: }
1936: }
1937: }
1938: write_error:
1939: BIO_free(file);
1940: break;
1941: }
1942: }
1943:
1944: for (;;) {
1945: i = (int) BIO_flush(io);
1946: if (i <= 0) {
1947: if (!BIO_should_retry(io))
1948: break;
1949: } else
1950: break;
1951: }
1952: end:
1953: /* make sure we re-use sessions */
1954: SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
1955:
1956: err:
1957:
1958: if (ret >= 0)
1959: BIO_printf(bio_s_out, "ACCEPT\n");
1960:
1.24 mmcc 1961: free(buf);
1.1 jsing 1962: if (io != NULL)
1963: BIO_free_all(io);
1964: /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
1965: return (ret);
1966: }
1967:
1968: #define MAX_SESSION_ID_ATTEMPTS 10
1969: static int
1970: generate_session_id(const SSL * ssl, unsigned char *id,
1971: unsigned int *id_len)
1972: {
1973: unsigned int count = 0;
1974: do {
1.3 jsing 1975: arc4random_buf(id, *id_len);
1.1 jsing 1976: /*
1977: * Prefix the session_id with the required prefix. NB: If our
1978: * prefix is too long, clip it - but there will be worse
1979: * effects anyway, eg. the server could only possibly create
1980: * 1 session ID (ie. the prefix!) so all future session
1981: * negotiations will fail due to conflicts.
1982: */
1983: memcpy(id, session_id_prefix,
1984: (strlen(session_id_prefix) < *id_len) ?
1985: strlen(session_id_prefix) : *id_len);
1986: }
1987: while (SSL_has_matching_session_id(ssl, id, *id_len) &&
1988: (++count < MAX_SESSION_ID_ATTEMPTS));
1989: if (count >= MAX_SESSION_ID_ATTEMPTS)
1990: return 0;
1991: return 1;
1992: }