Annotation of src/usr.bin/openssl/s_server.c, Revision 1.52
1.52 ! tb 1: /* $OpenBSD: s_server.c,v 1.51 2021/10/23 14:50:10 tb 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:
1.42 inoguchi 180: static void s_server_init(void);
181: static void sv_usage(void);
182: static void print_stats(BIO *bp, SSL_CTX *ctx);
1.1 jsing 183: static int sv_body(char *hostname, int s, unsigned char *context);
184: static void close_accept_socket(void);
1.41 inoguchi 185: static int init_ssl_connection(SSL *s);
1.1 jsing 186: #ifndef OPENSSL_NO_DH
187: static DH *load_dh_param(const char *dhfile);
188: #endif
1.42 inoguchi 189: static int www_body(char *hostname, int s, unsigned char *context);
190: static int generate_session_id(const SSL *ssl, unsigned char *id,
191: unsigned int *id_len);
192: static int ssl_servername_cb(SSL *s, int *ad, void *arg);
193: static int cert_status_cb(SSL * s, void *arg);
194: static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
195: const unsigned char *in, unsigned int inlen, void *arg);
1.1 jsing 196: /* static int load_CA(SSL_CTX *ctx, char *file);*/
197:
198: #define BUFSIZZ 16*1024
199: static int bufsize = BUFSIZZ;
200: static int accept_socket = -1;
201:
202: #define TEST_CERT "server.pem"
203: #define TEST_CERT2 "server2.pem"
204:
205: static int s_server_session_id_context = 1; /* anything will do */
206: static SSL_CTX *ctx = NULL;
207: static SSL_CTX *ctx2 = NULL;
208: static BIO *bio_s_out = NULL;
1.42 inoguchi 209:
210: static int local_argc = 0;
211: static char **local_argv;
1.1 jsing 212:
1.39 inoguchi 213: /* This is a context that we pass to callbacks */
214: typedef struct tlsextctx_st {
215: char *servername;
216: BIO *biodebug;
217: int extension_error;
218: } tlsextctx;
1.1 jsing 219:
1.39 inoguchi 220: /* Structure passed to cert status callback */
221: typedef struct tlsextstatusctx_st {
222: /* Default responder to use */
223: char *host, *path, *port;
224: int use_ssl;
225: int timeout;
226: BIO *err;
227: int verbose;
228: } tlsextstatusctx;
229:
1.42 inoguchi 230: /* This the context that we pass to alpn_cb */
231: typedef struct tlsextalpnctx_st {
232: unsigned char *data;
233: unsigned short len;
234: } tlsextalpnctx;
235:
1.39 inoguchi 236: static struct {
237: char *alpn_in;
238: char *npn_in; /* Ignored. */
239: int bugs;
240: char *CAfile;
241: char *CApath;
1.45 jsing 242: #ifndef OPENSSL_NO_DTLS
1.39 inoguchi 243: int cert_chain;
244: #endif
1.40 inoguchi 245: char *cert_file;
246: char *cert_file2;
247: int cert_format;
1.39 inoguchi 248: char *cipher;
249: unsigned char *context;
1.40 inoguchi 250: int crlf;
251: char *dcert_file;
252: int dcert_format;
253: int debug;
1.39 inoguchi 254: char *dhfile;
1.40 inoguchi 255: char *dkey_file;
256: int dkey_format;
1.39 inoguchi 257: char *dpassarg;
258: int enable_timeouts;
259: const char *errstr;
260: char *groups_in;
1.40 inoguchi 261: char *key_file;
262: char *key_file2;
263: int key_format;
1.39 inoguchi 264: char *keymatexportlabel;
265: int keymatexportlen;
266: uint16_t max_version;
267: uint16_t min_version;
268: const SSL_METHOD *meth;
1.40 inoguchi 269: int msg;
1.48 tb 270: int naccept;
1.39 inoguchi 271: char *named_curve;
1.40 inoguchi 272: int nbio;
273: int nbio_test;
1.39 inoguchi 274: int no_cache;
275: int nocert;
276: int no_dhe;
277: int no_ecdhe;
278: int no_tmp_rsa; /* No-op. */
279: int off;
280: char *passarg;
281: short port;
1.40 inoguchi 282: int quiet;
283: int server_verify;
1.39 inoguchi 284: char *session_id_prefix;
285: long socket_mtu;
286: int socket_type;
287: #ifndef OPENSSL_NO_SRTP
288: char *srtp_profiles;
289: #endif
290: int state;
291: tlsextstatusctx tlscstatp;
292: tlsextctx tlsextcbp;
1.40 inoguchi 293: int tlsextdebug;
294: int tlsextstatus;
1.39 inoguchi 295: X509_VERIFY_PARAM *vpm;
296: int www;
297: } s_server_config;
298:
299: static int
300: s_server_opt_context(char *arg)
301: {
302: s_server_config.context = (unsigned char *) arg;
303: return (0);
304: }
305:
306: static int
307: s_server_opt_keymatexportlen(char *arg)
308: {
309: s_server_config.keymatexportlen = strtonum(arg, 1, INT_MAX,
310: &s_server_config.errstr);
311: if (s_server_config.errstr != NULL) {
312: BIO_printf(bio_err, "invalid argument %s: %s\n",
313: arg, s_server_config.errstr);
314: return (1);
315: }
316: return (0);
317: }
1.1 jsing 318:
1.45 jsing 319: #ifndef OPENSSL_NO_DTLS
1.39 inoguchi 320: static int
321: s_server_opt_mtu(char *arg)
322: {
323: s_server_config.socket_mtu = strtonum(arg, 0, LONG_MAX,
324: &s_server_config.errstr);
325: if (s_server_config.errstr != NULL) {
326: BIO_printf(bio_err, "invalid argument %s: %s\n",
327: arg, s_server_config.errstr);
328: return (1);
329: }
330: return (0);
331: }
1.45 jsing 332: #endif
1.39 inoguchi 333:
1.45 jsing 334: #ifndef OPENSSL_NO_DTLS
1.39 inoguchi 335: static int
1.45 jsing 336: s_server_opt_protocol_version_dtls(void)
1.39 inoguchi 337: {
338: s_server_config.meth = DTLS_server_method();
339: s_server_config.socket_type = SOCK_DGRAM;
340: return (0);
341: }
1.1 jsing 342: #endif
343:
1.45 jsing 344: #ifndef OPENSSL_NO_DTLS1
345: static int
346: s_server_opt_protocol_version_dtls1(void)
347: {
348: s_server_config.meth = DTLS_server_method();
349: s_server_config.min_version = DTLS1_VERSION;
350: s_server_config.max_version = DTLS1_VERSION;
351: s_server_config.socket_type = SOCK_DGRAM;
352: return (0);
353: }
354: #endif
355:
356: #ifndef OPENSSL_NO_DTLS1_2
357: static int
358: s_server_opt_protocol_version_dtls1_2(void)
359: {
360: s_server_config.meth = DTLS_server_method();
361: s_server_config.min_version = DTLS1_2_VERSION;
362: s_server_config.max_version = DTLS1_2_VERSION;
363: s_server_config.socket_type = SOCK_DGRAM;
364: return (0);
365: }
366: #endif
367:
1.39 inoguchi 368: static int
1.46 jsing 369: s_server_opt_protocol_version_tls1(void)
1.39 inoguchi 370: {
371: s_server_config.min_version = TLS1_VERSION;
372: s_server_config.max_version = TLS1_VERSION;
373: return (0);
374: }
375:
376: static int
1.46 jsing 377: s_server_opt_protocol_version_tls1_1(void)
1.39 inoguchi 378: {
379: s_server_config.min_version = TLS1_1_VERSION;
380: s_server_config.max_version = TLS1_1_VERSION;
381: return (0);
382: }
383:
384: static int
1.46 jsing 385: s_server_opt_protocol_version_tls1_2(void)
1.39 inoguchi 386: {
387: s_server_config.min_version = TLS1_2_VERSION;
388: s_server_config.max_version = TLS1_2_VERSION;
389: return (0);
390: }
391:
392: static int
1.46 jsing 393: s_server_opt_protocol_version_tls1_3(void)
1.39 inoguchi 394: {
395: s_server_config.min_version = TLS1_3_VERSION;
396: s_server_config.max_version = TLS1_3_VERSION;
397: return (0);
398: }
399:
400: static int
401: s_server_opt_nbio_test(void)
402: {
1.40 inoguchi 403: s_server_config.nbio = 1;
404: s_server_config.nbio_test = 1;
1.39 inoguchi 405: return (0);
406: }
407:
408: static int
409: s_server_opt_port(char *arg)
410: {
411: if (!extract_port(arg, &s_server_config.port))
412: return (1);
413: return (0);
414: }
415:
416: static int
417: s_server_opt_status_timeout(char *arg)
418: {
1.40 inoguchi 419: s_server_config.tlsextstatus = 1;
1.39 inoguchi 420: s_server_config.tlscstatp.timeout = strtonum(arg, 0, INT_MAX,
421: &s_server_config.errstr);
422: if (s_server_config.errstr != NULL) {
423: BIO_printf(bio_err, "invalid argument %s: %s\n",
424: arg, s_server_config.errstr);
425: return (1);
426: }
427: return (0);
428: }
429:
430: static int
431: s_server_opt_status_url(char *arg)
432: {
1.40 inoguchi 433: s_server_config.tlsextstatus = 1;
1.39 inoguchi 434: if (!OCSP_parse_url(arg, &s_server_config.tlscstatp.host,
435: &s_server_config.tlscstatp.port, &s_server_config.tlscstatp.path,
436: &s_server_config.tlscstatp.use_ssl)) {
437: BIO_printf(bio_err, "Error parsing URL\n");
438: return (1);
439: }
440: return (0);
441: }
442:
443: static int
444: s_server_opt_status_verbose(void)
445: {
1.40 inoguchi 446: s_server_config.tlsextstatus = 1;
1.39 inoguchi 447: s_server_config.tlscstatp.verbose = 1;
448: return (0);
449: }
450:
451: static int
452: s_server_opt_verify(char *arg)
453: {
1.40 inoguchi 454: s_server_config.server_verify = SSL_VERIFY_PEER |
1.39 inoguchi 455: SSL_VERIFY_CLIENT_ONCE;
456: verify_depth = strtonum(arg, 0, INT_MAX, &s_server_config.errstr);
457: if (s_server_config.errstr != NULL) {
458: BIO_printf(bio_err, "invalid argument %s: %s\n",
459: arg, s_server_config.errstr);
460: return (1);
461: }
462: BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
463: return (0);
464: }
465:
466: static int
467: s_server_opt_verify_fail(char *arg)
468: {
1.40 inoguchi 469: s_server_config.server_verify = SSL_VERIFY_PEER |
1.39 inoguchi 470: SSL_VERIFY_FAIL_IF_NO_PEER_CERT | SSL_VERIFY_CLIENT_ONCE;
471: verify_depth = strtonum(arg, 0, INT_MAX, &s_server_config.errstr);
472: if (s_server_config.errstr != NULL) {
473: BIO_printf(bio_err, "invalid argument %s: %s\n",
474: arg, s_server_config.errstr);
475: return (1);
476: }
477: BIO_printf(bio_err, "verify depth is %d, must return a certificate\n",
478: verify_depth);
479: return (0);
480: }
481:
482: static int
483: s_server_opt_verify_param(int argc, char **argv, int *argsused)
484: {
485: char **pargs = argv;
486: int pargc = argc;
487: int badarg = 0;
1.1 jsing 488:
1.39 inoguchi 489: if (!args_verify(&pargs, &pargc, &badarg, bio_err,
490: &s_server_config.vpm)) {
491: BIO_printf(bio_err, "unknown option %s\n", *argv);
492: return (1);
493: }
494: if (badarg)
495: return (1);
496:
497: *argsused = argc - pargc;
498: return (0);
499: }
1.1 jsing 500:
1.39 inoguchi 501: static const struct option s_server_options[] = {
1.44 tb 502: {
503: .name = "4",
504: .type = OPTION_DISCARD,
505: },
506: {
507: .name = "6",
508: .type = OPTION_DISCARD,
509: },
1.39 inoguchi 510: {
511: .name = "accept",
512: .argname = "port",
513: .desc = "Port to accept on (default is 4433)",
514: .type = OPTION_ARG_FUNC,
515: .opt.argfunc = s_server_opt_port,
516: },
517: {
518: .name = "alpn",
519: .argname = "protocols",
520: .desc = "Set the advertised protocols for the ALPN extension"
521: " (comma-separated list)",
522: .type = OPTION_ARG,
523: .opt.arg = &s_server_config.alpn_in,
524: },
525: {
526: .name = "bugs",
527: .desc = "Turn on SSL bug compatibility",
528: .type = OPTION_FLAG,
529: .opt.flag = &s_server_config.bugs,
530: },
531: {
532: .name = "CAfile",
533: .argname = "file",
534: .desc = "PEM format file of CA certificates",
535: .type = OPTION_ARG,
536: .opt.arg = &s_server_config.CAfile,
537: },
538: {
539: .name = "CApath",
540: .argname = "directory",
541: .desc = "PEM format directory of CA certificates",
542: .type = OPTION_ARG,
543: .opt.arg = &s_server_config.CApath,
544: },
545: {
546: .name = "cert",
547: .argname = "file",
548: .desc = "Certificate file to use\n"
549: "(default is " TEST_CERT ")",
550: .type = OPTION_ARG,
1.40 inoguchi 551: .opt.arg = &s_server_config.cert_file,
1.39 inoguchi 552: },
553: {
554: .name = "cert2",
555: .argname = "file",
556: .desc = "Certificate file to use for servername\n"
557: "(default is " TEST_CERT2 ")",
558: .type = OPTION_ARG,
1.40 inoguchi 559: .opt.arg = &s_server_config.cert_file2,
1.39 inoguchi 560: },
561: {
562: .name = "certform",
563: .argname = "fmt",
564: .desc = "Certificate format (PEM or DER) PEM default",
565: .type = OPTION_ARG_FORMAT,
1.40 inoguchi 566: .opt.value = &s_server_config.cert_format,
1.39 inoguchi 567: },
1.45 jsing 568: #ifndef OPENSSL_NO_DTLS
1.39 inoguchi 569: {
570: .name = "chain",
571: .type = OPTION_FLAG,
572: .opt.flag = &s_server_config.cert_chain,
573: },
574: #endif
575: {
576: .name = "cipher",
577: .argname = "list",
578: .desc = "List of ciphers to enable (see `openssl ciphers`)",
579: .type = OPTION_ARG,
580: .opt.arg = &s_server_config.cipher,
581: },
582: {
583: .name = "context",
584: .argname = "id",
585: .desc = "Set session ID context",
586: .type = OPTION_ARG_FUNC,
587: .opt.argfunc = s_server_opt_context,
588: },
589: {
590: .name = "crlf",
591: .desc = "Convert LF from terminal into CRLF",
592: .type = OPTION_FLAG,
1.40 inoguchi 593: .opt.flag = &s_server_config.crlf,
1.39 inoguchi 594: },
595: {
596: .name = "dcert",
597: .argname = "file",
598: .desc = "Second certificate file to use (usually for DSA)",
599: .type = OPTION_ARG,
1.40 inoguchi 600: .opt.arg = &s_server_config.dcert_file,
1.39 inoguchi 601: },
602: {
603: .name = "dcertform",
604: .argname = "fmt",
605: .desc = "Second certificate format (PEM or DER) PEM default",
606: .type = OPTION_ARG_FORMAT,
1.40 inoguchi 607: .opt.value = &s_server_config.dcert_format,
1.39 inoguchi 608: },
609: {
610: .name = "debug",
611: .desc = "Print more output",
612: .type = OPTION_FLAG,
1.40 inoguchi 613: .opt.flag = &s_server_config.debug,
1.39 inoguchi 614: },
615: {
616: .name = "dhparam",
617: .argname = "file",
618: .desc = "DH parameter file to use, in cert file if not specified",
619: .type = OPTION_ARG,
620: .opt.arg = &s_server_config.dhfile,
621: },
622: {
623: .name = "dkey",
624: .argname = "file",
625: .desc = "Second private key file to use (usually for DSA)",
626: .type = OPTION_ARG,
1.40 inoguchi 627: .opt.arg = &s_server_config.dkey_file,
1.39 inoguchi 628: },
629: {
630: .name = "dkeyform",
631: .argname = "fmt",
632: .desc = "Second key format (PEM or DER) PEM default",
633: .type = OPTION_ARG_FORMAT,
1.40 inoguchi 634: .opt.value = &s_server_config.dkey_format,
1.39 inoguchi 635: },
636: {
637: .name = "dpass",
638: .argname = "arg",
639: .desc = "Second private key file pass phrase source",
640: .type = OPTION_ARG,
641: .opt.arg = &s_server_config.dpassarg,
642: },
1.45 jsing 643: #ifndef OPENSSL_NO_DTLS
644: {
645: .name = "dtls",
646: .desc = "Use any version of DTLS",
647: .type = OPTION_FUNC,
648: .opt.func = s_server_opt_protocol_version_dtls,
649: },
650: #endif
1.39 inoguchi 651: #ifndef OPENSSL_NO_DTLS1
652: {
653: .name = "dtls1",
1.45 jsing 654: .desc = "Just use DTLSv1",
1.39 inoguchi 655: .type = OPTION_FUNC,
1.45 jsing 656: .opt.func = s_server_opt_protocol_version_dtls1,
657: },
658: #endif
659: #ifndef OPENSSL_NO_DTLS1_2
660: {
661: .name = "dtls1_2",
662: .desc = "Just use DTLSv1.2",
663: .type = OPTION_FUNC,
664: .opt.func = s_server_opt_protocol_version_dtls1_2,
1.39 inoguchi 665: },
666: #endif
667: {
668: .name = "groups",
669: .argname = "list",
670: .desc = "Specify EC groups (colon-separated list)",
671: .type = OPTION_ARG,
672: .opt.arg = &s_server_config.groups_in,
673: },
674: {
675: .name = "HTTP",
676: .desc = "Respond to a 'GET /<path> HTTP/1.0' with file ./<path>",
677: .type = OPTION_VALUE,
678: .opt.value = &s_server_config.www,
679: .value = 3,
680: },
681: {
682: .name = "id_prefix",
683: .argname = "arg",
684: .desc = "Generate SSL/TLS session IDs prefixed by 'arg'",
685: .type = OPTION_ARG,
686: .opt.arg = &s_server_config.session_id_prefix,
687: },
688: {
689: .name = "key",
690: .argname = "file",
691: .desc = "Private Key file to use, in cert file if\n"
692: "not specified (default is " TEST_CERT ")",
693: .type = OPTION_ARG,
1.40 inoguchi 694: .opt.arg = &s_server_config.key_file,
1.39 inoguchi 695: },
696: {
697: .name = "key2",
698: .argname = "file",
699: .desc = "Private Key file to use for servername, in cert file if\n"
700: "not specified (default is " TEST_CERT2 ")",
701: .type = OPTION_ARG,
1.40 inoguchi 702: .opt.arg = &s_server_config.key_file2,
1.39 inoguchi 703: },
704: {
705: .name = "keyform",
706: .argname = "fmt",
707: .desc = "Key format (PEM or DER) PEM default",
708: .type = OPTION_ARG_FORMAT,
1.40 inoguchi 709: .opt.value = &s_server_config.key_format,
1.39 inoguchi 710: },
711: {
712: .name = "keymatexport",
713: .argname = "label",
714: .desc = "Export keying material using label",
715: .type = OPTION_ARG,
716: .opt.arg = &s_server_config.keymatexportlabel,
717: },
718: {
719: .name = "keymatexportlen",
720: .argname = "len",
721: .desc = "Export len bytes of keying material (default 20)",
722: .type = OPTION_ARG_FUNC,
723: .opt.argfunc = s_server_opt_keymatexportlen,
724: },
725: {
726: .name = "legacy_renegotiation",
727: .type = OPTION_DISCARD,
728: },
729: {
730: .name = "msg",
731: .desc = "Show protocol messages",
732: .type = OPTION_FLAG,
1.40 inoguchi 733: .opt.flag = &s_server_config.msg,
1.39 inoguchi 734: },
1.45 jsing 735: #ifndef OPENSSL_NO_DTLS
1.39 inoguchi 736: {
737: .name = "mtu",
738: .argname = "mtu",
739: .desc = "Set link layer MTU",
740: .type = OPTION_ARG_FUNC,
741: .opt.argfunc = s_server_opt_mtu,
742: },
743: #endif
744: {
1.48 tb 745: .name = "naccept",
746: .argname = "num",
1.49 tb 747: .desc = "Terminate after num connections",
1.48 tb 748: .type = OPTION_ARG_INT,
749: .opt.value = &s_server_config.naccept
750: },
751: {
1.39 inoguchi 752: .name = "named_curve",
753: .argname = "arg",
754: .type = OPTION_ARG,
755: .opt.arg = &s_server_config.named_curve,
756: },
757: {
758: .name = "nbio",
759: .desc = "Run with non-blocking I/O",
760: .type = OPTION_FLAG,
1.40 inoguchi 761: .opt.flag = &s_server_config.nbio,
1.39 inoguchi 762: },
763: {
764: .name = "nbio_test",
765: .desc = "Test with the non-blocking test bio",
766: .type = OPTION_FUNC,
767: .opt.func = s_server_opt_nbio_test,
768: },
769: {
770: .name = "nextprotoneg",
771: .argname = "arg",
772: .type = OPTION_ARG,
773: .opt.arg = &s_server_config.npn_in, /* Ignored. */
774: },
775: {
776: .name = "no_cache",
777: .desc = "Disable session cache",
778: .type = OPTION_FLAG,
779: .opt.flag = &s_server_config.no_cache,
780: },
781: {
782: .name = "no_comp",
783: .desc = "Disable SSL/TLS compression",
784: .type = OPTION_VALUE_OR,
785: .opt.value = &s_server_config.off,
786: .value = SSL_OP_NO_COMPRESSION,
787: },
788: {
789: .name = "no_dhe",
790: .desc = "Disable ephemeral DH",
791: .type = OPTION_FLAG,
792: .opt.flag = &s_server_config.no_dhe,
793: },
794: {
795: .name = "no_ecdhe",
796: .desc = "Disable ephemeral ECDH",
797: .type = OPTION_FLAG,
798: .opt.flag = &s_server_config.no_ecdhe,
799: },
800: {
801: .name = "no_ticket",
802: .desc = "Disable use of RFC4507bis session tickets",
803: .type = OPTION_VALUE_OR,
804: .opt.value = &s_server_config.off,
805: .value = SSL_OP_NO_TICKET,
806: },
807: {
808: .name = "no_ssl2",
809: .type = OPTION_VALUE_OR,
810: .opt.value = &s_server_config.off,
811: .value = SSL_OP_NO_SSLv2,
812: },
813: {
814: .name = "no_ssl3",
815: .type = OPTION_VALUE_OR,
816: .opt.value = &s_server_config.off,
817: .value = SSL_OP_NO_SSLv3,
818: },
819: {
820: .name = "no_tls1",
821: .desc = "Just disable TLSv1",
822: .type = OPTION_VALUE_OR,
823: .opt.value = &s_server_config.off,
824: .value = SSL_OP_NO_TLSv1,
825: },
826: {
827: .name = "no_tls1_1",
828: .desc = "Just disable TLSv1.1",
829: .type = OPTION_VALUE_OR,
830: .opt.value = &s_server_config.off,
831: .value = SSL_OP_NO_TLSv1_1,
832: },
833: {
834: .name = "no_tls1_2",
835: .desc = "Just disable TLSv1.2",
836: .type = OPTION_VALUE_OR,
837: .opt.value = &s_server_config.off,
838: .value = SSL_OP_NO_TLSv1_2,
839: },
840: {
841: .name = "no_tls1_3",
842: .desc = "Just disable TLSv1.3",
843: .type = OPTION_VALUE_OR,
844: .opt.value = &s_server_config.off,
845: .value = SSL_OP_NO_TLSv1_3,
846: },
847: {
848: .name = "no_tmp_rsa",
849: .type = OPTION_DISCARD,
850: },
851: {
852: .name = "nocert",
853: .desc = "Don't use any certificates (Anon-DH)",
854: .type = OPTION_FLAG,
855: .opt.flag = &s_server_config.nocert,
856: },
857: {
858: .name = "pass",
859: .argname = "arg",
860: .desc = "Private key file pass phrase source",
861: .type = OPTION_ARG,
862: .opt.arg = &s_server_config.passarg,
863: },
864: {
865: .name = "port",
866: .argname = "port",
867: .type = OPTION_ARG_FUNC,
868: .opt.argfunc = s_server_opt_port,
869: },
870: {
871: .name = "quiet",
872: .desc = "Inhibit printing of session and certificate information",
873: .type = OPTION_FLAG,
1.40 inoguchi 874: .opt.flag = &s_server_config.quiet,
1.39 inoguchi 875: },
876: {
877: .name = "servername",
878: .argname = "name",
879: .desc = "Servername for HostName TLS extension",
880: .type = OPTION_ARG,
881: .opt.arg = &s_server_config.tlsextcbp.servername,
882: },
883: {
884: .name = "servername_fatal",
885: .desc = "On mismatch send fatal alert (default warning alert)",
886: .type = OPTION_VALUE,
887: .opt.value = &s_server_config.tlsextcbp.extension_error,
888: .value = SSL_TLSEXT_ERR_ALERT_FATAL,
889: },
890: {
891: .name = "serverpref",
892: .desc = "Use server's cipher preferences",
893: .type = OPTION_VALUE_OR,
894: .opt.value = &s_server_config.off,
895: .value = SSL_OP_CIPHER_SERVER_PREFERENCE,
896: },
897: {
898: .name = "state",
899: .desc = "Print the SSL states",
900: .type = OPTION_FLAG,
901: .opt.flag = &s_server_config.state,
902: },
903: {
904: .name = "status",
905: .desc = "Respond to certificate status requests",
906: .type = OPTION_FLAG,
1.40 inoguchi 907: .opt.flag = &s_server_config.tlsextstatus,
1.39 inoguchi 908: },
909: {
910: .name = "status_timeout",
911: .argname = "nsec",
912: .desc = "Status request responder timeout",
913: .type = OPTION_ARG_FUNC,
914: .opt.argfunc = s_server_opt_status_timeout,
915: },
916: {
917: .name = "status_url",
918: .argname = "url",
919: .desc = "Status request fallback URL",
920: .type = OPTION_ARG_FUNC,
921: .opt.argfunc = s_server_opt_status_url,
922: },
923: {
924: .name = "status_verbose",
925: .desc = "Enable status request verbose printout",
926: .type = OPTION_FUNC,
927: .opt.func = s_server_opt_status_verbose,
928: },
1.45 jsing 929: #ifndef OPENSSL_NO_DTLS
1.39 inoguchi 930: {
931: .name = "timeout",
932: .desc = "Enable timeouts",
933: .type = OPTION_FLAG,
934: .opt.flag = &s_server_config.enable_timeouts,
935: },
936: #endif
937: {
938: .name = "tls1",
939: .desc = "Just talk TLSv1",
940: .type = OPTION_FUNC,
1.46 jsing 941: .opt.func = s_server_opt_protocol_version_tls1,
1.39 inoguchi 942: },
943: {
944: .name = "tls1_1",
945: .desc = "Just talk TLSv1.1",
946: .type = OPTION_FUNC,
1.46 jsing 947: .opt.func = s_server_opt_protocol_version_tls1_1,
1.39 inoguchi 948: },
949: {
950: .name = "tls1_2",
951: .desc = "Just talk TLSv1.2",
952: .type = OPTION_FUNC,
1.46 jsing 953: .opt.func = s_server_opt_protocol_version_tls1_2,
1.39 inoguchi 954: },
955: {
956: .name = "tls1_3",
957: .desc = "Just talk TLSv1.3",
958: .type = OPTION_FUNC,
1.46 jsing 959: .opt.func = s_server_opt_protocol_version_tls1_3,
1.39 inoguchi 960: },
961: {
962: .name = "tlsextdebug",
963: .desc = "Hex dump of all TLS extensions received",
964: .type = OPTION_FLAG,
1.40 inoguchi 965: .opt.flag = &s_server_config.tlsextdebug,
1.39 inoguchi 966: },
967: #ifndef OPENSSL_NO_SRTP
968: {
969: .name = "use_srtp",
970: .argname = "profiles",
971: .desc = "Offer SRTP key management with a colon-separated profile list",
972: .type = OPTION_ARG,
973: .opt.arg = &s_server_config.srtp_profiles,
974: },
975: #endif
976: {
977: .name = "Verify",
978: .argname = "depth",
979: .desc = "Turn on peer certificate verification, must have a cert",
980: .type = OPTION_ARG_FUNC,
981: .opt.argfunc = s_server_opt_verify_fail,
982: },
983: {
984: .name = "verify",
985: .argname = "depth",
986: .desc = "Turn on peer certificate verification",
987: .type = OPTION_ARG_FUNC,
988: .opt.argfunc = s_server_opt_verify,
989: },
990: {
991: .name = "verify_return_error",
992: .desc = "Return verification error",
993: .type = OPTION_FLAG,
994: .opt.flag = &verify_return_error,
995: },
996: {
997: .name = "WWW",
998: .desc = "Respond to a 'GET /<path> HTTP/1.0' with file ./<path>",
999: .type = OPTION_VALUE,
1000: .opt.value = &s_server_config.www,
1001: .value = 2,
1002: },
1003: {
1004: .name = "www",
1005: .desc = "Respond to a 'GET /' with a status page",
1006: .type = OPTION_VALUE,
1007: .opt.value = &s_server_config.www,
1008: .value = 1,
1009: },
1010: {
1011: .name = NULL,
1012: .desc = "",
1013: .type = OPTION_ARGV_FUNC,
1014: .opt.argvfunc = s_server_opt_verify_param,
1015: },
1016: { NULL },
1017: };
1.1 jsing 1018:
1019: static void
1020: s_server_init(void)
1021: {
1022: accept_socket = -1;
1.39 inoguchi 1023: s_server_config.cipher = NULL;
1.40 inoguchi 1024: s_server_config.server_verify = SSL_VERIFY_NONE;
1025: s_server_config.dcert_file = NULL;
1026: s_server_config.dkey_file = NULL;
1027: s_server_config.cert_file = TEST_CERT;
1028: s_server_config.key_file = NULL;
1029: s_server_config.cert_file2 = TEST_CERT2;
1030: s_server_config.key_file2 = NULL;
1.1 jsing 1031: ctx2 = NULL;
1.40 inoguchi 1032: s_server_config.nbio = 0;
1033: s_server_config.nbio_test = 0;
1.1 jsing 1034: ctx = NULL;
1.39 inoguchi 1035: s_server_config.www = 0;
1.1 jsing 1036:
1037: bio_s_out = NULL;
1.40 inoguchi 1038: s_server_config.debug = 0;
1039: s_server_config.msg = 0;
1040: s_server_config.quiet = 0;
1.1 jsing 1041: }
1042:
1043: static void
1044: sv_usage(void)
1045: {
1.39 inoguchi 1046: fprintf(stderr, "usage: s_server "
1047: "[-accept port] [-alpn protocols] [-bugs] [-CAfile file]\n"
1048: " [-CApath directory] [-cert file] [-cert2 file]\n"
1049: " [-certform der | pem] [-cipher cipherlist]\n"
1050: " [-context id] [-crl_check] [-crl_check_all] [-crlf]\n"
1051: " [-dcert file] [-dcertform der | pem] [-debug]\n"
1052: " [-dhparam file] [-dkey file] [-dkeyform der | pem]\n"
1.45 jsing 1053: " [-dpass arg] [-dtls] [-dtls1] [-dtls1_2] [-groups list] [-HTTP]\n"
1.39 inoguchi 1054: " [-id_prefix arg] [-key keyfile] [-key2 keyfile]\n"
1055: " [-keyform der | pem] [-keymatexport label]\n"
1.48 tb 1056: " [-keymatexportlen len] [-msg] [-mtu mtu] [-naccept num]\n"
1.39 inoguchi 1057: " [-named_curve arg] [-nbio] [-nbio_test] [-no_cache]\n"
1058: " [-no_dhe] [-no_ecdhe] [-no_ticket] [-no_tls1]\n"
1059: " [-no_tls1_1] [-no_tls1_2] [-no_tls1_3] [-no_tmp_rsa]\n"
1060: " [-nocert] [-pass arg] [-quiet] [-servername name]\n"
1061: " [-servername_fatal] [-serverpref] [-state] [-status]\n"
1062: " [-status_timeout nsec] [-status_url url]\n"
1063: " [-status_verbose] [-timeout] [-tls1] [-tls1_1]\n"
1064: " [-tls1_2] [-tls1_3] [-tlsextdebug] [-use_srtp profiles]\n"
1065: " [-Verify depth] [-verify depth] [-verify_return_error]\n"
1066: " [-WWW] [-www]\n");
1067: fprintf(stderr, "\n");
1068: options_usage(s_server_options);
1069: fprintf(stderr, "\n");
1.1 jsing 1070: }
1071:
1072: int
1073: s_server_main(int argc, char *argv[])
1074: {
1075: int ret = 1;
1.39 inoguchi 1076: char *pass = NULL;
1077: char *dpass = NULL;
1.1 jsing 1078: X509 *s_cert = NULL, *s_dcert = NULL;
1079: EVP_PKEY *s_key = NULL, *s_dkey = NULL;
1080: EVP_PKEY *s_key2 = NULL;
1081: X509 *s_cert2 = NULL;
1.8 jsing 1082: tlsextalpnctx alpn_ctx = { NULL, 0 };
1.20 doug 1083:
1084: if (single_execution) {
1.25 deraadt 1085: if (pledge("stdio rpath inet dns tty", NULL) == -1) {
1.20 doug 1086: perror("pledge");
1.22 doug 1087: exit(1);
1088: }
1.20 doug 1089: }
1090:
1.39 inoguchi 1091: memset(&s_server_config, 0, sizeof(s_server_config));
1092: s_server_config.keymatexportlen = 20;
1093: s_server_config.meth = TLS_server_method();
1.48 tb 1094: s_server_config.naccept = -1;
1.39 inoguchi 1095: s_server_config.port = PORT;
1.40 inoguchi 1096: s_server_config.cert_file = TEST_CERT;
1097: s_server_config.cert_file2 = TEST_CERT2;
1098: s_server_config.cert_format = FORMAT_PEM;
1099: s_server_config.dcert_format = FORMAT_PEM;
1100: s_server_config.dkey_format = FORMAT_PEM;
1101: s_server_config.key_format = FORMAT_PEM;
1102: s_server_config.server_verify = SSL_VERIFY_NONE;
1.39 inoguchi 1103: s_server_config.socket_type = SOCK_STREAM;
1104: s_server_config.tlscstatp.timeout = -1;
1.43 inoguchi 1105: s_server_config.tlsextcbp.extension_error =
1106: SSL_TLSEXT_ERR_ALERT_WARNING;
1.1 jsing 1107:
1108: local_argc = argc;
1109: local_argv = argv;
1110:
1111: s_server_init();
1112:
1113: verify_depth = 0;
1114:
1.39 inoguchi 1115: if (options_parse(argc, argv, s_server_options, NULL, NULL) != 0) {
1116: if (s_server_config.errstr == NULL)
1.1 jsing 1117: sv_usage();
1118: goto end;
1119: }
1120:
1.43 inoguchi 1121: if (!app_passwd(bio_err, s_server_config.passarg,
1122: s_server_config.dpassarg, &pass, &dpass)) {
1.1 jsing 1123: BIO_printf(bio_err, "Error getting password\n");
1124: goto end;
1125: }
1.40 inoguchi 1126: if (s_server_config.key_file == NULL)
1127: s_server_config.key_file = s_server_config.cert_file;
1128: if (s_server_config.key_file2 == NULL)
1129: s_server_config.key_file2 = s_server_config.cert_file2;
1.1 jsing 1130:
1.39 inoguchi 1131: if (s_server_config.nocert == 0) {
1.43 inoguchi 1132: s_key = load_key(bio_err, s_server_config.key_file,
1133: s_server_config.key_format, 0, pass,
1.1 jsing 1134: "server certificate private key file");
1135: if (!s_key) {
1136: ERR_print_errors(bio_err);
1137: goto end;
1138: }
1.43 inoguchi 1139: s_cert = load_cert(bio_err, s_server_config.cert_file,
1140: s_server_config.cert_format,
1.17 bcook 1141: NULL, "server certificate file");
1.1 jsing 1142:
1143: if (!s_cert) {
1144: ERR_print_errors(bio_err);
1145: goto end;
1146: }
1.39 inoguchi 1147: if (s_server_config.tlsextcbp.servername) {
1.43 inoguchi 1148: s_key2 = load_key(bio_err, s_server_config.key_file2,
1149: s_server_config.key_format, 0, pass,
1.1 jsing 1150: "second server certificate private key file");
1151: if (!s_key2) {
1152: ERR_print_errors(bio_err);
1153: goto end;
1154: }
1.43 inoguchi 1155: s_cert2 = load_cert(bio_err, s_server_config.cert_file2,
1156: s_server_config.cert_format,
1.17 bcook 1157: NULL, "second server certificate file");
1.1 jsing 1158:
1159: if (!s_cert2) {
1160: ERR_print_errors(bio_err);
1161: goto end;
1162: }
1163: }
1164: }
1.8 jsing 1165: alpn_ctx.data = NULL;
1.39 inoguchi 1166: if (s_server_config.alpn_in) {
1.8 jsing 1167: unsigned short len;
1.43 inoguchi 1168: alpn_ctx.data = next_protos_parse(&len,
1169: s_server_config.alpn_in);
1.8 jsing 1170: if (alpn_ctx.data == NULL)
1171: goto end;
1172: alpn_ctx.len = len;
1173: }
1.1 jsing 1174:
1.40 inoguchi 1175: if (s_server_config.dcert_file) {
1.1 jsing 1176:
1.40 inoguchi 1177: if (s_server_config.dkey_file == NULL)
1178: s_server_config.dkey_file = s_server_config.dcert_file;
1.1 jsing 1179:
1.43 inoguchi 1180: s_dkey = load_key(bio_err, s_server_config.dkey_file,
1181: s_server_config.dkey_format,
1.17 bcook 1182: 0, dpass, "second certificate private key file");
1.1 jsing 1183: if (!s_dkey) {
1184: ERR_print_errors(bio_err);
1185: goto end;
1186: }
1.43 inoguchi 1187: s_dcert = load_cert(bio_err, s_server_config.dcert_file,
1188: s_server_config.dcert_format,
1.17 bcook 1189: NULL, "second server certificate file");
1.1 jsing 1190:
1191: if (!s_dcert) {
1192: ERR_print_errors(bio_err);
1193: goto end;
1194: }
1195: }
1196: if (bio_s_out == NULL) {
1.43 inoguchi 1197: if (s_server_config.quiet && !s_server_config.debug &&
1198: !s_server_config.msg) {
1.1 jsing 1199: bio_s_out = BIO_new(BIO_s_null());
1200: } else {
1201: if (bio_s_out == NULL)
1202: bio_s_out = BIO_new_fp(stdout, BIO_NOCLOSE);
1203: }
1204: }
1.39 inoguchi 1205: if (s_server_config.nocert) {
1.40 inoguchi 1206: s_server_config.cert_file = NULL;
1207: s_server_config.key_file = NULL;
1208: s_server_config.dcert_file = NULL;
1209: s_server_config.dkey_file = NULL;
1210: s_server_config.cert_file2 = NULL;
1211: s_server_config.key_file2 = NULL;
1.1 jsing 1212: }
1.39 inoguchi 1213: ctx = SSL_CTX_new(s_server_config.meth);
1.1 jsing 1214: if (ctx == NULL) {
1215: ERR_print_errors(bio_err);
1216: goto end;
1217: }
1.37 tb 1218:
1219: SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1.35 inoguchi 1220:
1.39 inoguchi 1221: if (!SSL_CTX_set_min_proto_version(ctx, s_server_config.min_version))
1.35 inoguchi 1222: goto end;
1.39 inoguchi 1223: if (!SSL_CTX_set_max_proto_version(ctx, s_server_config.max_version))
1.35 inoguchi 1224: goto end;
1225:
1.39 inoguchi 1226: if (s_server_config.session_id_prefix) {
1227: if (strlen(s_server_config.session_id_prefix) >= 32)
1.1 jsing 1228: BIO_printf(bio_err,
1229: "warning: id_prefix is too long, only one new session will be possible\n");
1.39 inoguchi 1230: else if (strlen(s_server_config.session_id_prefix) >= 16)
1.1 jsing 1231: BIO_printf(bio_err,
1232: "warning: id_prefix is too long if you use SSLv2\n");
1233: if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) {
1234: BIO_printf(bio_err, "error setting 'id_prefix'\n");
1235: ERR_print_errors(bio_err);
1236: goto end;
1237: }
1.43 inoguchi 1238: BIO_printf(bio_err, "id_prefix '%s' set.\n",
1239: s_server_config.session_id_prefix);
1.1 jsing 1240: }
1241: SSL_CTX_set_quiet_shutdown(ctx, 1);
1.39 inoguchi 1242: if (s_server_config.bugs)
1.1 jsing 1243: SSL_CTX_set_options(ctx, SSL_OP_ALL);
1.39 inoguchi 1244: SSL_CTX_set_options(ctx, s_server_config.off);
1.1 jsing 1245:
1.39 inoguchi 1246: if (s_server_config.state)
1.1 jsing 1247: SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1.39 inoguchi 1248: if (s_server_config.no_cache)
1.1 jsing 1249: SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1250: else
1251: SSL_CTX_sess_set_cache_size(ctx, 128);
1252:
1253: #ifndef OPENSSL_NO_SRTP
1.39 inoguchi 1254: if (s_server_config.srtp_profiles != NULL)
1255: SSL_CTX_set_tlsext_use_srtp(ctx, s_server_config.srtp_profiles);
1.1 jsing 1256: #endif
1257:
1.43 inoguchi 1258: if ((!SSL_CTX_load_verify_locations(ctx, s_server_config.CAfile,
1259: s_server_config.CApath)) ||
1.1 jsing 1260: (!SSL_CTX_set_default_verify_paths(ctx))) {
1261: /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1262: ERR_print_errors(bio_err);
1263: /* goto end; */
1264: }
1.39 inoguchi 1265: if (s_server_config.vpm)
1266: SSL_CTX_set1_param(ctx, s_server_config.vpm);
1.1 jsing 1267:
1268: if (s_cert2) {
1.39 inoguchi 1269: ctx2 = SSL_CTX_new(s_server_config.meth);
1.1 jsing 1270: if (ctx2 == NULL) {
1271: ERR_print_errors(bio_err);
1272: goto end;
1273: }
1.35 inoguchi 1274:
1.43 inoguchi 1275: if (!SSL_CTX_set_min_proto_version(ctx2,
1276: s_server_config.min_version))
1.35 inoguchi 1277: goto end;
1.43 inoguchi 1278: if (!SSL_CTX_set_max_proto_version(ctx2,
1279: s_server_config.max_version))
1.35 inoguchi 1280: goto end;
1.38 tb 1281: SSL_CTX_clear_mode(ctx2, SSL_MODE_AUTO_RETRY);
1.1 jsing 1282: }
1283: if (ctx2) {
1284: BIO_printf(bio_s_out, "Setting secondary ctx parameters\n");
1285:
1.39 inoguchi 1286: if (s_server_config.session_id_prefix) {
1287: if (strlen(s_server_config.session_id_prefix) >= 32)
1.1 jsing 1288: BIO_printf(bio_err,
1289: "warning: id_prefix is too long, only one new session will be possible\n");
1.39 inoguchi 1290: else if (strlen(s_server_config.session_id_prefix) >= 16)
1.1 jsing 1291: BIO_printf(bio_err,
1292: "warning: id_prefix is too long if you use SSLv2\n");
1.43 inoguchi 1293: if (!SSL_CTX_set_generate_session_id(ctx2,
1294: generate_session_id)) {
1295: BIO_printf(bio_err,
1296: "error setting 'id_prefix'\n");
1.1 jsing 1297: ERR_print_errors(bio_err);
1298: goto end;
1299: }
1.43 inoguchi 1300: BIO_printf(bio_err, "id_prefix '%s' set.\n",
1301: s_server_config.session_id_prefix);
1.1 jsing 1302: }
1303: SSL_CTX_set_quiet_shutdown(ctx2, 1);
1.39 inoguchi 1304: if (s_server_config.bugs)
1.1 jsing 1305: SSL_CTX_set_options(ctx2, SSL_OP_ALL);
1.39 inoguchi 1306: SSL_CTX_set_options(ctx2, s_server_config.off);
1.1 jsing 1307:
1.39 inoguchi 1308: if (s_server_config.state)
1.1 jsing 1309: SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback);
1310:
1.39 inoguchi 1311: if (s_server_config.no_cache)
1.1 jsing 1312: SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF);
1313: else
1314: SSL_CTX_sess_set_cache_size(ctx2, 128);
1315:
1.43 inoguchi 1316: if ((!SSL_CTX_load_verify_locations(ctx2,
1317: s_server_config.CAfile, s_server_config.CApath)) ||
1.1 jsing 1318: (!SSL_CTX_set_default_verify_paths(ctx2))) {
1319: ERR_print_errors(bio_err);
1320: }
1.39 inoguchi 1321: if (s_server_config.vpm)
1322: SSL_CTX_set1_param(ctx2, s_server_config.vpm);
1.1 jsing 1323: }
1.8 jsing 1324: if (alpn_ctx.data)
1325: SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1.1 jsing 1326:
1.39 inoguchi 1327: if (s_server_config.groups_in != NULL) {
1328: if (SSL_CTX_set1_groups_list(ctx, s_server_config.groups_in) != 1) {
1.33 jsing 1329: BIO_printf(bio_err, "Failed to set groups '%s'\n",
1.39 inoguchi 1330: s_server_config.groups_in);
1.33 jsing 1331: goto end;
1332: }
1333: }
1334:
1.1 jsing 1335: #ifndef OPENSSL_NO_DH
1.39 inoguchi 1336: if (!s_server_config.no_dhe) {
1.1 jsing 1337: DH *dh = NULL;
1338:
1.39 inoguchi 1339: if (s_server_config.dhfile)
1340: dh = load_dh_param(s_server_config.dhfile);
1.40 inoguchi 1341: else if (s_server_config.cert_file)
1342: dh = load_dh_param(s_server_config.cert_file);
1.1 jsing 1343:
1.4 jsing 1344: if (dh != NULL)
1.1 jsing 1345: BIO_printf(bio_s_out, "Setting temp DH parameters\n");
1.4 jsing 1346: else
1347: BIO_printf(bio_s_out, "Using auto DH parameters\n");
1348: (void) BIO_flush(bio_s_out);
1349:
1350: if (dh == NULL)
1351: SSL_CTX_set_dh_auto(ctx, 1);
1352: else if (!SSL_CTX_set_tmp_dh(ctx, dh)) {
1353: BIO_printf(bio_err,
1354: "Error setting temp DH parameters\n");
1355: ERR_print_errors(bio_err);
1356: DH_free(dh);
1357: goto end;
1.1 jsing 1358: }
1359:
1360: if (ctx2) {
1.39 inoguchi 1361: if (!s_server_config.dhfile) {
1.14 doug 1362: DH *dh2 = NULL;
1363:
1.40 inoguchi 1364: if (s_server_config.cert_file2 != NULL)
1.43 inoguchi 1365: dh2 = load_dh_param(
1366: s_server_config.cert_file2);
1.1 jsing 1367: if (dh2 != NULL) {
1.43 inoguchi 1368: BIO_printf(bio_s_out,
1369: "Setting temp DH parameters\n");
1.1 jsing 1370: (void) BIO_flush(bio_s_out);
1371:
1372: DH_free(dh);
1373: dh = dh2;
1374: }
1375: }
1.4 jsing 1376: if (dh == NULL)
1377: SSL_CTX_set_dh_auto(ctx2, 1);
1378: else if (!SSL_CTX_set_tmp_dh(ctx2, dh)) {
1379: BIO_printf(bio_err,
1380: "Error setting temp DH parameters\n");
1381: ERR_print_errors(bio_err);
1382: DH_free(dh);
1383: goto end;
1384: }
1.1 jsing 1385: }
1386: DH_free(dh);
1387: }
1388: #endif
1389:
1.39 inoguchi 1390: if (!s_server_config.no_ecdhe && s_server_config.named_curve != NULL) {
1.1 jsing 1391: EC_KEY *ecdh = NULL;
1.33 jsing 1392: int nid;
1.1 jsing 1393:
1.39 inoguchi 1394: if ((nid = OBJ_sn2nid(s_server_config.named_curve)) == 0) {
1.33 jsing 1395: BIO_printf(bio_err, "unknown curve name (%s)\n",
1.39 inoguchi 1396: s_server_config.named_curve);
1.33 jsing 1397: goto end;
1.39 inoguchi 1398: }
1.33 jsing 1399: if ((ecdh = EC_KEY_new_by_curve_name(nid)) == NULL) {
1400: BIO_printf(bio_err, "unable to create curve (%s)\n",
1.39 inoguchi 1401: s_server_config.named_curve);
1.33 jsing 1402: goto end;
1.39 inoguchi 1403: }
1.33 jsing 1404: BIO_printf(bio_s_out, "Setting temp ECDH parameters\n");
1.1 jsing 1405: (void) BIO_flush(bio_s_out);
1406:
1407: SSL_CTX_set_tmp_ecdh(ctx, ecdh);
1408: if (ctx2)
1409: SSL_CTX_set_tmp_ecdh(ctx2, ecdh);
1410: EC_KEY_free(ecdh);
1411: }
1412:
1413: if (!set_cert_key_stuff(ctx, s_cert, s_key))
1414: goto end;
1415: if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2))
1416: goto end;
1417: if (s_dcert != NULL) {
1418: if (!set_cert_key_stuff(ctx, s_dcert, s_dkey))
1419: goto end;
1420: }
1421:
1.39 inoguchi 1422: if (s_server_config.cipher != NULL) {
1423: if (!SSL_CTX_set_cipher_list(ctx, s_server_config.cipher)) {
1.1 jsing 1424: BIO_printf(bio_err, "error setting cipher list\n");
1425: ERR_print_errors(bio_err);
1426: goto end;
1427: }
1.43 inoguchi 1428: if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,
1429: s_server_config.cipher)) {
1.1 jsing 1430: BIO_printf(bio_err, "error setting cipher list\n");
1431: ERR_print_errors(bio_err);
1432: goto end;
1433: }
1434: }
1.40 inoguchi 1435: SSL_CTX_set_verify(ctx, s_server_config.server_verify, verify_callback);
1.43 inoguchi 1436: SSL_CTX_set_session_id_context(ctx,
1437: (void *) &s_server_session_id_context,
1.1 jsing 1438: sizeof s_server_session_id_context);
1439:
1440: /* Set DTLS cookie generation and verification callbacks */
1441: SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1442: SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1443:
1444: if (ctx2) {
1.43 inoguchi 1445: SSL_CTX_set_verify(ctx2, s_server_config.server_verify,
1446: verify_callback);
1447: SSL_CTX_set_session_id_context(ctx2,
1448: (void *) &s_server_session_id_context,
1.1 jsing 1449: sizeof s_server_session_id_context);
1450:
1.39 inoguchi 1451: s_server_config.tlsextcbp.biodebug = bio_s_out;
1.1 jsing 1452: SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1.43 inoguchi 1453: SSL_CTX_set_tlsext_servername_arg(ctx2,
1454: &s_server_config.tlsextcbp);
1.1 jsing 1455: SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1.43 inoguchi 1456: SSL_CTX_set_tlsext_servername_arg(ctx,
1457: &s_server_config.tlsextcbp);
1.1 jsing 1458: }
1459:
1.39 inoguchi 1460: if (s_server_config.CAfile != NULL) {
1.43 inoguchi 1461: SSL_CTX_set_client_CA_list(ctx,
1462: SSL_load_client_CA_file(s_server_config.CAfile));
1.1 jsing 1463: if (ctx2)
1.43 inoguchi 1464: SSL_CTX_set_client_CA_list(ctx2,
1465: SSL_load_client_CA_file(s_server_config.CAfile));
1.1 jsing 1466: }
1467: BIO_printf(bio_s_out, "ACCEPT\n");
1468: (void) BIO_flush(bio_s_out);
1.39 inoguchi 1469: if (s_server_config.www)
1.43 inoguchi 1470: do_server(s_server_config.port, s_server_config.socket_type,
1.48 tb 1471: &accept_socket, www_body, s_server_config.context,
1472: s_server_config.naccept);
1.1 jsing 1473: else
1.43 inoguchi 1474: do_server(s_server_config.port, s_server_config.socket_type,
1.48 tb 1475: &accept_socket, sv_body, s_server_config.context,
1476: s_server_config.naccept);
1.1 jsing 1477: print_stats(bio_s_out, ctx);
1478: ret = 0;
1.30 jsing 1479: end:
1.29 jsing 1480: SSL_CTX_free(ctx);
1481: X509_free(s_cert);
1482: X509_free(s_dcert);
1483: EVP_PKEY_free(s_key);
1484: EVP_PKEY_free(s_dkey);
1.1 jsing 1485: free(pass);
1486: free(dpass);
1.39 inoguchi 1487: X509_VERIFY_PARAM_free(s_server_config.vpm);
1488: free(s_server_config.tlscstatp.host);
1489: free(s_server_config.tlscstatp.port);
1490: free(s_server_config.tlscstatp.path);
1.29 jsing 1491: SSL_CTX_free(ctx2);
1492: X509_free(s_cert2);
1493: EVP_PKEY_free(s_key2);
1.8 jsing 1494: free(alpn_ctx.data);
1.1 jsing 1495: if (bio_s_out != NULL) {
1496: BIO_free(bio_s_out);
1497: bio_s_out = NULL;
1498: }
1499:
1500: return (ret);
1501: }
1502:
1503: static void
1.41 inoguchi 1504: print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1.1 jsing 1505: {
1506: BIO_printf(bio, "%4ld items in the session cache\n",
1507: SSL_CTX_sess_number(ssl_ctx));
1508: BIO_printf(bio, "%4ld client connects (SSL_connect())\n",
1509: SSL_CTX_sess_connect(ssl_ctx));
1510: BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n",
1511: SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1512: BIO_printf(bio, "%4ld client connects that finished\n",
1513: SSL_CTX_sess_connect_good(ssl_ctx));
1514: BIO_printf(bio, "%4ld server accepts (SSL_accept())\n",
1515: SSL_CTX_sess_accept(ssl_ctx));
1516: BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n",
1517: SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1518: BIO_printf(bio, "%4ld server accepts that finished\n",
1519: SSL_CTX_sess_accept_good(ssl_ctx));
1.43 inoguchi 1520: BIO_printf(bio, "%4ld session cache hits\n",
1521: SSL_CTX_sess_hits(ssl_ctx));
1522: BIO_printf(bio, "%4ld session cache misses\n",
1523: SSL_CTX_sess_misses(ssl_ctx));
1524: BIO_printf(bio, "%4ld session cache timeouts\n",
1525: SSL_CTX_sess_timeouts(ssl_ctx));
1526: BIO_printf(bio, "%4ld callback cache hits\n",
1527: SSL_CTX_sess_cb_hits(ssl_ctx));
1.1 jsing 1528: BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n",
1529: SSL_CTX_sess_cache_full(ssl_ctx),
1530: SSL_CTX_sess_get_cache_size(ssl_ctx));
1531: }
1532:
1533: static int
1534: sv_body(char *hostname, int s, unsigned char *context)
1535: {
1536: char *buf = NULL;
1.7 deraadt 1537: int ret = 1;
1.1 jsing 1538: int k, i;
1539: unsigned long l;
1540: SSL *con = NULL;
1541: BIO *sbio;
1542: struct timeval timeout;
1543:
1544: if ((buf = malloc(bufsize)) == NULL) {
1545: BIO_printf(bio_err, "out of memory\n");
1546: goto err;
1547: }
1.40 inoguchi 1548: if (s_server_config.nbio) {
1549: if (!s_server_config.quiet)
1.1 jsing 1550: BIO_printf(bio_err, "turning on non blocking io\n");
1.2 bcook 1551: if (!BIO_socket_nbio(s, 1))
1.1 jsing 1552: ERR_print_errors(bio_err);
1553: }
1554:
1555: if (con == NULL) {
1556: con = SSL_new(ctx);
1.40 inoguchi 1557: if (s_server_config.tlsextdebug) {
1.1 jsing 1558: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1559: SSL_set_tlsext_debug_arg(con, bio_s_out);
1560: }
1.40 inoguchi 1561: if (s_server_config.tlsextstatus) {
1.1 jsing 1562: SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1.39 inoguchi 1563: s_server_config.tlscstatp.err = bio_err;
1.43 inoguchi 1564: SSL_CTX_set_tlsext_status_arg(ctx,
1565: &s_server_config.tlscstatp);
1.1 jsing 1566: }
1567: if (context)
1568: SSL_set_session_id_context(con, context,
1569: strlen((char *) context));
1570: }
1571: SSL_clear(con);
1572:
1.45 jsing 1573: if (SSL_is_dtls(con)) {
1.1 jsing 1574: sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1575:
1.39 inoguchi 1576: if (s_server_config.enable_timeouts) {
1.1 jsing 1577: timeout.tv_sec = 0;
1578: timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1.43 inoguchi 1579: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0,
1580: &timeout);
1.1 jsing 1581:
1582: timeout.tv_sec = 0;
1583: timeout.tv_usec = DGRAM_SND_TIMEOUT;
1.43 inoguchi 1584: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0,
1585: &timeout);
1.1 jsing 1586: }
1.39 inoguchi 1587: if (s_server_config.socket_mtu > 28) {
1.1 jsing 1588: SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1.39 inoguchi 1589: SSL_set_mtu(con, s_server_config.socket_mtu - 28);
1.1 jsing 1590: } else
1591: /* want to do MTU discovery */
1592: BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1593:
1594: /* turn on cookie exchange */
1595: SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
1596: } else
1597: sbio = BIO_new_socket(s, BIO_NOCLOSE);
1598:
1.40 inoguchi 1599: if (s_server_config.nbio_test) {
1.1 jsing 1600: BIO *test;
1601:
1602: test = BIO_new(BIO_f_nbio_test());
1603: sbio = BIO_push(test, sbio);
1604: }
1605:
1606: SSL_set_bio(con, sbio, sbio);
1607: SSL_set_accept_state(con);
1608: /* SSL_set_fd(con,s); */
1609:
1.40 inoguchi 1610: if (s_server_config.debug) {
1.1 jsing 1611: SSL_set_debug(con, 1);
1612: BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
1613: BIO_set_callback_arg(SSL_get_rbio(con), (char *) bio_s_out);
1614: }
1.40 inoguchi 1615: if (s_server_config.msg) {
1.1 jsing 1616: SSL_set_msg_callback(con, msg_cb);
1617: SSL_set_msg_callback_arg(con, bio_s_out);
1618: }
1.40 inoguchi 1619: if (s_server_config.tlsextdebug) {
1.1 jsing 1620: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1621: SSL_set_tlsext_debug_arg(con, bio_s_out);
1622: }
1623:
1624: for (;;) {
1625: int read_from_terminal;
1626: int read_from_sslcon;
1.7 deraadt 1627: struct pollfd pfd[2];
1628: int ptimeout;
1.1 jsing 1629:
1630: read_from_terminal = 0;
1631: read_from_sslcon = SSL_pending(con);
1632:
1633: if (!read_from_sslcon) {
1.7 deraadt 1634: pfd[0].fd = fileno(stdin);
1635: pfd[0].events = POLLIN;
1636: pfd[1].fd = s;
1637: pfd[1].events = POLLIN;
1638:
1.45 jsing 1639: if (SSL_is_dtls(con) &&
1.1 jsing 1640: DTLSv1_get_timeout(con, &timeout))
1.7 deraadt 1641: ptimeout = timeout.tv_sec * 1000 +
1642: timeout.tv_usec / 1000;
1.1 jsing 1643: else
1.7 deraadt 1644: ptimeout = -1;
1.1 jsing 1645:
1.7 deraadt 1646: i = poll(pfd, 2, ptimeout);
1.1 jsing 1647:
1.45 jsing 1648: if (SSL_is_dtls(con) &&
1649: DTLSv1_handle_timeout(con) > 0)
1.1 jsing 1650: BIO_printf(bio_err, "TIMEOUT occured\n");
1651: if (i <= 0)
1652: continue;
1.7 deraadt 1653: if (pfd[0].revents) {
1654: if ((pfd[0].revents & (POLLERR|POLLNVAL)))
1655: continue;
1.1 jsing 1656: read_from_terminal = 1;
1.7 deraadt 1657: }
1658: if (pfd[1].revents) {
1659: if ((pfd[1].revents & (POLLERR|POLLNVAL)))
1660: continue;
1.1 jsing 1661: read_from_sslcon = 1;
1.7 deraadt 1662: }
1.1 jsing 1663: }
1664: if (read_from_terminal) {
1.40 inoguchi 1665: if (s_server_config.crlf) {
1.1 jsing 1666: int j, lf_num;
1667:
1668: i = read(fileno(stdin), buf, bufsize / 2);
1669: lf_num = 0;
1670: /* both loops are skipped when i <= 0 */
1671: for (j = 0; j < i; j++)
1672: if (buf[j] == '\n')
1673: lf_num++;
1674: for (j = i - 1; j >= 0; j--) {
1675: buf[j + lf_num] = buf[j];
1676: if (buf[j] == '\n') {
1677: lf_num--;
1678: i++;
1679: buf[j + lf_num] = '\r';
1680: }
1681: }
1682: assert(lf_num == 0);
1683: } else
1684: i = read(fileno(stdin), buf, bufsize);
1.40 inoguchi 1685: if (!s_server_config.quiet) {
1.1 jsing 1686: if ((i <= 0) || (buf[0] == 'Q')) {
1687: BIO_printf(bio_s_out, "DONE\n");
1688: shutdown(s, SHUT_RD);
1689: close(s);
1690: close_accept_socket();
1691: ret = -11;
1692: goto err;
1693: }
1694: if ((i <= 0) || (buf[0] == 'q')) {
1695: BIO_printf(bio_s_out, "DONE\n");
1.45 jsing 1696: if (!SSL_is_dtls(con)) {
1.1 jsing 1697: shutdown(s, SHUT_RD);
1698: close(s);
1699: }
1700: /*
1701: * close_accept_socket(); ret= -11;
1702: */
1703: goto err;
1704: }
1705: if ((buf[0] == 'r') &&
1706: ((buf[1] == '\n') || (buf[1] == '\r'))) {
1707: SSL_renegotiate(con);
1708: i = SSL_do_handshake(con);
1709: printf("SSL_do_handshake -> %d\n", i);
1710: i = 0; /* 13; */
1711: continue;
1712: /*
1713: * RE-NEGOTIATE\n");
1714: */
1715: }
1716: if ((buf[0] == 'R') &&
1717: ((buf[1] == '\n') || (buf[1] == '\r'))) {
1718: SSL_set_verify(con,
1.43 inoguchi 1719: SSL_VERIFY_PEER |
1720: SSL_VERIFY_CLIENT_ONCE,
1721: NULL);
1.1 jsing 1722: SSL_renegotiate(con);
1723: i = SSL_do_handshake(con);
1724: printf("SSL_do_handshake -> %d\n", i);
1725: i = 0; /* 13; */
1726: continue;
1727: /*
1728: * RE-NEGOTIATE asking for client
1729: * cert\n");
1730: */
1731: }
1732: if (buf[0] == 'P') {
1.43 inoguchi 1733: static const char *str =
1734: "Lets print some clear text\n";
1735: BIO_write(SSL_get_wbio(con), str,
1736: strlen(str));
1.1 jsing 1737: }
1738: if (buf[0] == 'S') {
1.43 inoguchi 1739: print_stats(bio_s_out,
1740: SSL_get_SSL_CTX(con));
1.1 jsing 1741: }
1742: }
1743: l = k = 0;
1744: for (;;) {
1745: /* should do a select for the write */
1746: #ifdef RENEG
1747: {
1748: static count = 0;
1749: if (++count == 100) {
1750: count = 0;
1751: SSL_renegotiate(con);
1752: }
1753: }
1754: #endif
1755: k = SSL_write(con, &(buf[l]), (unsigned int) i);
1756: switch (SSL_get_error(con, k)) {
1757: case SSL_ERROR_NONE:
1758: break;
1759: case SSL_ERROR_WANT_WRITE:
1760: case SSL_ERROR_WANT_READ:
1761: case SSL_ERROR_WANT_X509_LOOKUP:
1762: BIO_printf(bio_s_out, "Write BLOCK\n");
1763: break;
1764: case SSL_ERROR_SYSCALL:
1765: case SSL_ERROR_SSL:
1766: BIO_printf(bio_s_out, "ERROR\n");
1767: ERR_print_errors(bio_err);
1768: ret = 1;
1769: goto err;
1770: /* break; */
1771: case SSL_ERROR_ZERO_RETURN:
1772: BIO_printf(bio_s_out, "DONE\n");
1773: ret = 1;
1774: goto err;
1775: }
1.36 tb 1776: if (k <= 0)
1777: continue;
1.1 jsing 1778: l += k;
1779: i -= k;
1780: if (i <= 0)
1781: break;
1782: }
1783: }
1784: if (read_from_sslcon) {
1785: if (!SSL_is_init_finished(con)) {
1786: i = init_ssl_connection(con);
1787:
1788: if (i < 0) {
1789: ret = 0;
1790: goto err;
1791: } else if (i == 0) {
1792: ret = 1;
1793: goto err;
1794: }
1795: } else {
1796: again:
1797: i = SSL_read(con, (char *) buf, bufsize);
1798: switch (SSL_get_error(con, i)) {
1799: case SSL_ERROR_NONE: {
1800: int len, n;
1801: for (len = 0; len < i;) {
1802: do {
1803: n = write(fileno(stdout), buf + len, i - len);
1804: } while (n == -1 && errno == EINTR);
1805:
1.31 deraadt 1806: if (n == -1) {
1.1 jsing 1807: BIO_printf(bio_s_out, "ERROR\n");
1808: goto err;
1809: }
1810: len += n;
1811: }
1812: }
1813: if (SSL_pending(con))
1814: goto again;
1815: break;
1816: case SSL_ERROR_WANT_WRITE:
1817: case SSL_ERROR_WANT_READ:
1818: BIO_printf(bio_s_out, "Read BLOCK\n");
1819: break;
1820: case SSL_ERROR_SYSCALL:
1821: case SSL_ERROR_SSL:
1822: BIO_printf(bio_s_out, "ERROR\n");
1823: ERR_print_errors(bio_err);
1824: ret = 1;
1825: goto err;
1826: case SSL_ERROR_ZERO_RETURN:
1827: BIO_printf(bio_s_out, "DONE\n");
1828: ret = 1;
1829: goto err;
1830: }
1831: }
1832: }
1833: }
1.30 jsing 1834: err:
1.1 jsing 1835: if (con != NULL) {
1836: BIO_printf(bio_s_out, "shutting down SSL\n");
1.43 inoguchi 1837: SSL_set_shutdown(con,
1838: SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
1.1 jsing 1839: SSL_free(con);
1840: }
1841: BIO_printf(bio_s_out, "CONNECTION CLOSED\n");
1.26 deraadt 1842: freezero(buf, bufsize);
1.1 jsing 1843: if (ret >= 0)
1844: BIO_printf(bio_s_out, "ACCEPT\n");
1845: return (ret);
1846: }
1847:
1848: static void
1849: close_accept_socket(void)
1850: {
1851: BIO_printf(bio_err, "shutdown accept socket\n");
1852: if (accept_socket >= 0) {
1853: shutdown(accept_socket, SHUT_RDWR);
1854: close(accept_socket);
1855: }
1856: }
1857:
1858: static int
1.41 inoguchi 1859: init_ssl_connection(SSL *con)
1.1 jsing 1860: {
1861: int i;
1862: const char *str;
1863: X509 *peer;
1864: long verify_error;
1865: char buf[BUFSIZ];
1866: unsigned char *exportedkeymat;
1867:
1868: i = SSL_accept(con);
1869: if (i <= 0) {
1870: if (BIO_sock_should_retry(i)) {
1871: BIO_printf(bio_s_out, "DELAY\n");
1872: return (1);
1873: }
1874: BIO_printf(bio_err, "ERROR\n");
1875: verify_error = SSL_get_verify_result(con);
1876: if (verify_error != X509_V_OK) {
1877: BIO_printf(bio_err, "verify error:%s\n",
1878: X509_verify_cert_error_string(verify_error));
1879: } else
1880: ERR_print_errors(bio_err);
1881: return (0);
1882: }
1883: PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con));
1884:
1885: peer = SSL_get_peer_certificate(con);
1886: if (peer != NULL) {
1887: BIO_printf(bio_s_out, "Client certificate\n");
1888: PEM_write_bio_X509(bio_s_out, peer);
1889: X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
1890: BIO_printf(bio_s_out, "subject=%s\n", buf);
1891: X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
1892: BIO_printf(bio_s_out, "issuer=%s\n", buf);
1893: X509_free(peer);
1894: }
1895: if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL)
1896: BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf);
1897: str = SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1898: BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)");
1899:
1900: #ifndef OPENSSL_NO_SRTP
1901: {
1902: SRTP_PROTECTION_PROFILE *srtp_profile
1903: = SSL_get_selected_srtp_profile(con);
1904:
1905: if (srtp_profile)
1.43 inoguchi 1906: BIO_printf(bio_s_out,
1907: "SRTP Extension negotiated, profile=%s\n",
1.1 jsing 1908: srtp_profile->name);
1909: }
1910: #endif
1911: if (SSL_cache_hit(con))
1912: BIO_printf(bio_s_out, "Reused session-id\n");
1913: BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
1914: SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
1.39 inoguchi 1915: if (s_server_config.keymatexportlabel != NULL) {
1.1 jsing 1916: BIO_printf(bio_s_out, "Keying material exporter:\n");
1.43 inoguchi 1917: BIO_printf(bio_s_out, " Label: '%s'\n",
1918: s_server_config.keymatexportlabel);
1.1 jsing 1919: BIO_printf(bio_s_out, " Length: %i bytes\n",
1.39 inoguchi 1920: s_server_config.keymatexportlen);
1921: exportedkeymat = malloc(s_server_config.keymatexportlen);
1.1 jsing 1922: if (exportedkeymat != NULL) {
1923: if (!SSL_export_keying_material(con, exportedkeymat,
1.39 inoguchi 1924: s_server_config.keymatexportlen,
1925: s_server_config.keymatexportlabel,
1926: strlen(s_server_config.keymatexportlabel),
1.1 jsing 1927: NULL, 0, 0)) {
1928: BIO_printf(bio_s_out, " Error\n");
1929: } else {
1930: BIO_printf(bio_s_out, " Keying material: ");
1.39 inoguchi 1931: for (i = 0; i < s_server_config.keymatexportlen; i++)
1.1 jsing 1932: BIO_printf(bio_s_out, "%02X",
1933: exportedkeymat[i]);
1934: BIO_printf(bio_s_out, "\n");
1935: }
1936: free(exportedkeymat);
1937: }
1938: }
1939: return (1);
1940: }
1941:
1942: #ifndef OPENSSL_NO_DH
1943: static DH *
1944: load_dh_param(const char *dhfile)
1945: {
1946: DH *ret = NULL;
1947: BIO *bio;
1948:
1949: if ((bio = BIO_new_file(dhfile, "r")) == NULL)
1950: goto err;
1951: ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
1.30 jsing 1952: err:
1.1 jsing 1953: BIO_free(bio);
1954: return (ret);
1955: }
1956: #endif
1957:
1958: static int
1959: www_body(char *hostname, int s, unsigned char *context)
1960: {
1961: char *buf = NULL;
1962: int ret = 1;
1963: int i, j, k, dot;
1964: SSL *con;
1965: const SSL_CIPHER *c;
1966: BIO *io, *ssl_bio, *sbio;
1967:
1968: buf = malloc(bufsize);
1969: if (buf == NULL)
1970: return (0);
1971: io = BIO_new(BIO_f_buffer());
1972: ssl_bio = BIO_new(BIO_f_ssl());
1973: if ((io == NULL) || (ssl_bio == NULL))
1974: goto err;
1975:
1.40 inoguchi 1976: if (s_server_config.nbio) {
1977: if (!s_server_config.quiet)
1.1 jsing 1978: BIO_printf(bio_err, "turning on non blocking io\n");
1.2 bcook 1979: if (!BIO_socket_nbio(s, 1))
1.1 jsing 1980: ERR_print_errors(bio_err);
1981: }
1982:
1983: /* lets make the output buffer a reasonable size */
1984: if (!BIO_set_write_buffer_size(io, bufsize))
1985: goto err;
1986:
1987: if ((con = SSL_new(ctx)) == NULL)
1988: goto err;
1.40 inoguchi 1989: if (s_server_config.tlsextdebug) {
1.1 jsing 1990: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1991: SSL_set_tlsext_debug_arg(con, bio_s_out);
1992: }
1993: if (context)
1994: SSL_set_session_id_context(con, context,
1995: strlen((char *) context));
1996:
1997: sbio = BIO_new_socket(s, BIO_NOCLOSE);
1.40 inoguchi 1998: if (s_server_config.nbio_test) {
1.1 jsing 1999: BIO *test;
2000:
2001: test = BIO_new(BIO_f_nbio_test());
2002: sbio = BIO_push(test, sbio);
2003: }
2004: SSL_set_bio(con, sbio, sbio);
2005: SSL_set_accept_state(con);
2006:
2007: /* SSL_set_fd(con,s); */
2008: BIO_set_ssl(ssl_bio, con, BIO_CLOSE);
2009: BIO_push(io, ssl_bio);
2010:
1.40 inoguchi 2011: if (s_server_config.debug) {
1.1 jsing 2012: SSL_set_debug(con, 1);
2013: BIO_set_callback(SSL_get_rbio(con), bio_dump_callback);
2014: BIO_set_callback_arg(SSL_get_rbio(con), (char *) bio_s_out);
2015: }
1.40 inoguchi 2016: if (s_server_config.msg) {
1.1 jsing 2017: SSL_set_msg_callback(con, msg_cb);
2018: SSL_set_msg_callback_arg(con, bio_s_out);
2019: }
2020: for (;;) {
2021: i = BIO_gets(io, buf, bufsize - 1);
2022: if (i < 0) { /* error */
2023: if (!BIO_should_retry(io)) {
1.40 inoguchi 2024: if (!s_server_config.quiet)
1.1 jsing 2025: ERR_print_errors(bio_err);
2026: goto err;
2027: } else {
1.40 inoguchi 2028: if (s_server_config.debug) {
1.34 beck 2029: BIO_printf(bio_s_out, "read R BLOCK\n");
2030: sleep(1);
2031: }
1.1 jsing 2032: continue;
2033: }
2034: } else if (i == 0) { /* end of input */
2035: ret = 1;
2036: goto end;
2037: }
2038: /* else we have data */
1.43 inoguchi 2039: if (((s_server_config.www == 1) &&
2040: (strncmp("GET ", buf, 4) == 0)) ||
2041: ((s_server_config.www == 2) &&
2042: (strncmp("GET /stats ", buf, 11) == 0))) {
1.1 jsing 2043: char *p;
2044: X509 *peer;
1.41 inoguchi 2045: STACK_OF(SSL_CIPHER) *sk;
1.1 jsing 2046: static const char *space = " ";
2047:
2048: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2049: BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2050: BIO_puts(io, "<pre>\n");
2051: /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2052: BIO_puts(io, "\n");
2053: for (i = 0; i < local_argc; i++) {
2054: BIO_puts(io, local_argv[i]);
2055: BIO_write(io, " ", 1);
2056: }
2057: BIO_puts(io, "\n");
2058:
2059: BIO_printf(io,
2060: "Secure Renegotiation IS%s supported\n",
2061: SSL_get_secure_renegotiation_support(con) ?
2062: "" : " NOT");
2063:
2064: /*
2065: * The following is evil and should not really be
2066: * done
2067: */
1.43 inoguchi 2068: BIO_printf(io,
2069: "Ciphers supported in s_server binary\n");
1.1 jsing 2070: sk = SSL_get_ciphers(con);
2071: j = sk_SSL_CIPHER_num(sk);
2072: for (i = 0; i < j; i++) {
2073: c = sk_SSL_CIPHER_value(sk, i);
2074: BIO_printf(io, "%-11s:%-25s",
2075: SSL_CIPHER_get_version(c),
2076: SSL_CIPHER_get_name(c));
2077: if ((((i + 1) % 2) == 0) && (i + 1 != j))
2078: BIO_puts(io, "\n");
2079: }
2080: BIO_puts(io, "\n");
2081: p = SSL_get_shared_ciphers(con, buf, bufsize);
2082: if (p != NULL) {
1.43 inoguchi 2083: BIO_printf(io,
2084: "---\nCiphers common between both SSL end points:\n");
1.1 jsing 2085: j = i = 0;
2086: while (*p) {
2087: if (*p == ':') {
2088: BIO_write(io, space, 26 - j);
2089: i++;
2090: j = 0;
1.43 inoguchi 2091: BIO_write(io,
2092: ((i % 3) ? " " : "\n"), 1);
1.1 jsing 2093: } else {
2094: BIO_write(io, p, 1);
2095: j++;
2096: }
2097: p++;
2098: }
2099: BIO_puts(io, "\n");
2100: }
2101: BIO_printf(io, (SSL_cache_hit(con)
2102: ? "---\nReused, "
2103: : "---\nNew, "));
2104: c = SSL_get_current_cipher(con);
2105: BIO_printf(io, "%s, Cipher is %s\n",
2106: SSL_CIPHER_get_version(c),
2107: SSL_CIPHER_get_name(c));
2108: SSL_SESSION_print(io, SSL_get_session(con));
2109: BIO_printf(io, "---\n");
2110: print_stats(io, SSL_get_SSL_CTX(con));
2111: BIO_printf(io, "---\n");
2112: peer = SSL_get_peer_certificate(con);
2113: if (peer != NULL) {
2114: BIO_printf(io, "Client certificate\n");
2115: X509_print(io, peer);
2116: PEM_write_bio_X509(io, peer);
2117: } else
1.43 inoguchi 2118: BIO_puts(io,
2119: "no client certificate available\n");
1.1 jsing 2120: BIO_puts(io, "</BODY></HTML>\r\n\r\n");
2121: break;
1.43 inoguchi 2122: } else if ((s_server_config.www == 2 ||
2123: s_server_config.www == 3) &&
2124: (strncmp("GET /", buf, 5) == 0)) {
1.1 jsing 2125: BIO *file;
2126: char *p, *e;
2127: static const char *text = "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2128:
2129: /* skip the '/' */
2130: p = &(buf[5]);
2131:
2132: dot = 1;
2133: for (e = p; *e != '\0'; e++) {
2134: if (e[0] == ' ')
2135: break;
2136:
2137: switch (dot) {
2138: case 1:
2139: dot = (e[0] == '.') ? 2 : 0;
2140: break;
2141: case 2:
2142: dot = (e[0] == '.') ? 3 : 0;
2143: break;
2144: case 3:
1.43 inoguchi 2145: dot = (e[0] == '/' || e[0] == '\\') ?
2146: -1 : 0;
1.1 jsing 2147: break;
2148: }
2149: if (dot == 0)
1.43 inoguchi 2150: dot = (e[0] == '/' || e[0] == '\\') ?
2151: 1 : 0;
1.1 jsing 2152: }
1.43 inoguchi 2153: dot = (dot == 3) || (dot == -1); /* filename contains
2154: * ".." component */
1.1 jsing 2155:
2156: if (*e == '\0') {
2157: BIO_puts(io, text);
1.43 inoguchi 2158: BIO_printf(io,
2159: "'%s' is an invalid file name\r\n", p);
1.1 jsing 2160: break;
2161: }
2162: *e = '\0';
2163:
2164: if (dot) {
2165: BIO_puts(io, text);
1.43 inoguchi 2166: BIO_printf(io,
2167: "'%s' contains '..' reference\r\n", p);
1.1 jsing 2168: break;
2169: }
2170: if (*p == '/') {
2171: BIO_puts(io, text);
1.43 inoguchi 2172: BIO_printf(io,
2173: "'%s' is an invalid path\r\n", p);
1.1 jsing 2174: break;
2175: }
2176: /* if a directory, do the index thang */
2177: if (app_isdir(p) > 0) {
2178: BIO_puts(io, text);
2179: BIO_printf(io, "'%s' is a directory\r\n", p);
2180: break;
2181: }
2182: if ((file = BIO_new_file(p, "r")) == NULL) {
2183: BIO_puts(io, text);
2184: BIO_printf(io, "Error opening '%s'\r\n", p);
2185: ERR_print_errors(io);
2186: break;
2187: }
1.40 inoguchi 2188: if (!s_server_config.quiet)
1.1 jsing 2189: BIO_printf(bio_err, "FILE:%s\n", p);
2190:
1.39 inoguchi 2191: if (s_server_config.www == 2) {
1.1 jsing 2192: i = strlen(p);
2193: if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) ||
2194: ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) ||
2195: ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0)))
2196: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2197: else
2198: BIO_puts(io, "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2199: }
2200: /* send the file */
2201: for (;;) {
2202: i = BIO_read(file, buf, bufsize);
2203: if (i <= 0)
2204: break;
2205:
2206: #ifdef RENEG
2207: total_bytes += i;
2208: fprintf(stderr, "%d\n", i);
2209: if (total_bytes > 3 * 1024) {
2210: total_bytes = 0;
2211: fprintf(stderr, "RENEGOTIATE\n");
2212: SSL_renegotiate(con);
2213: }
2214: #endif
2215:
2216: for (j = 0; j < i;) {
2217: #ifdef RENEG
2218: {
2219: static count = 0;
2220: if (++count == 13) {
2221: SSL_renegotiate(con);
2222: }
2223: }
2224: #endif
2225: k = BIO_write(io, &(buf[j]), i - j);
2226: if (k <= 0) {
2227: if (!BIO_should_retry(io))
2228: goto write_error;
2229: else {
1.43 inoguchi 2230: BIO_printf(bio_s_out,
2231: "rwrite W BLOCK\n");
1.1 jsing 2232: }
2233: } else {
2234: j += k;
2235: }
2236: }
2237: }
2238: write_error:
2239: BIO_free(file);
2240: break;
2241: }
2242: }
2243:
2244: for (;;) {
2245: i = (int) BIO_flush(io);
2246: if (i <= 0) {
2247: if (!BIO_should_retry(io))
2248: break;
2249: } else
2250: break;
2251: }
1.30 jsing 2252: end:
1.1 jsing 2253: /* make sure we re-use sessions */
2254: SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
2255:
1.30 jsing 2256: err:
1.1 jsing 2257:
2258: if (ret >= 0)
2259: BIO_printf(bio_s_out, "ACCEPT\n");
2260:
1.24 mmcc 2261: free(buf);
1.29 jsing 2262: BIO_free_all(io);
1.1 jsing 2263: /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2264: return (ret);
2265: }
2266:
2267: #define MAX_SESSION_ID_ATTEMPTS 10
2268: static int
1.42 inoguchi 2269: generate_session_id(const SSL *ssl, unsigned char *id, unsigned int *id_len)
1.1 jsing 2270: {
2271: unsigned int count = 0;
2272: do {
1.3 jsing 2273: arc4random_buf(id, *id_len);
1.1 jsing 2274: /*
2275: * Prefix the session_id with the required prefix. NB: If our
2276: * prefix is too long, clip it - but there will be worse
2277: * effects anyway, eg. the server could only possibly create
2278: * 1 session ID (ie. the prefix!) so all future session
2279: * negotiations will fail due to conflicts.
2280: */
1.39 inoguchi 2281: memcpy(id, s_server_config.session_id_prefix,
2282: (strlen(s_server_config.session_id_prefix) < *id_len) ?
2283: strlen(s_server_config.session_id_prefix) : *id_len);
1.1 jsing 2284: }
2285: while (SSL_has_matching_session_id(ssl, id, *id_len) &&
2286: (++count < MAX_SESSION_ID_ATTEMPTS));
2287: if (count >= MAX_SESSION_ID_ATTEMPTS)
2288: return 0;
2289: return 1;
1.42 inoguchi 2290: }
2291:
2292: static int
2293: ssl_servername_cb(SSL *s, int *ad, void *arg)
2294: {
2295: tlsextctx *p = (tlsextctx *) arg;
1.43 inoguchi 2296: const char *servername = SSL_get_servername(s,
2297: TLSEXT_NAMETYPE_host_name);
2298:
1.42 inoguchi 2299: if (servername && p->biodebug)
1.43 inoguchi 2300: BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n",
2301: servername);
1.42 inoguchi 2302:
2303: if (!p->servername)
2304: return SSL_TLSEXT_ERR_NOACK;
2305:
2306: if (servername) {
2307: if (strcmp(servername, p->servername))
2308: return p->extension_error;
2309: if (ctx2) {
2310: BIO_printf(p->biodebug, "Switching server context.\n");
2311: SSL_set_SSL_CTX(s, ctx2);
2312: }
2313: }
2314: return SSL_TLSEXT_ERR_OK;
2315: }
2316:
2317: /* Certificate Status callback. This is called when a client includes a
2318: * certificate status request extension.
2319: *
2320: * This is a simplified version. It examines certificates each time and
2321: * makes one OCSP responder query for each request.
2322: *
2323: * A full version would store details such as the OCSP certificate IDs and
2324: * minimise the number of OCSP responses by caching them until they were
2325: * considered "expired".
2326: */
2327:
2328: static int
2329: cert_status_cb(SSL *s, void *arg)
2330: {
2331: tlsextstatusctx *srctx = arg;
2332: BIO *err = srctx->err;
2333: char *host = NULL, *port = NULL, *path = NULL;
2334: int use_ssl;
2335: unsigned char *rspder = NULL;
2336: int rspderlen;
2337: STACK_OF(OPENSSL_STRING) *aia = NULL;
2338: X509 *x = NULL;
1.51 tb 2339: X509_STORE_CTX *inctx = NULL;
1.42 inoguchi 2340: X509_OBJECT obj;
2341: OCSP_REQUEST *req = NULL;
2342: OCSP_RESPONSE *resp = NULL;
2343: OCSP_CERTID *id = NULL;
2344: STACK_OF(X509_EXTENSION) *exts;
2345: int ret = SSL_TLSEXT_ERR_NOACK;
2346: int i;
2347:
2348: if (srctx->verbose)
2349: BIO_puts(err, "cert_status: callback called\n");
2350: /* Build up OCSP query from server certificate */
2351: x = SSL_get_certificate(s);
2352: aia = X509_get1_ocsp(x);
2353: if (aia) {
2354: if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
1.52 ! tb 2355: &host, &port, &path, &use_ssl)) {
1.42 inoguchi 2356: BIO_puts(err, "cert_status: can't parse AIA URL\n");
2357: goto err;
2358: }
2359: if (srctx->verbose)
2360: BIO_printf(err, "cert_status: AIA URL: %s\n",
2361: sk_OPENSSL_STRING_value(aia, 0));
2362: } else {
2363: if (!srctx->host) {
1.43 inoguchi 2364: BIO_puts(srctx->err,
2365: "cert_status: no AIA and no default responder URL\n");
1.42 inoguchi 2366: goto done;
2367: }
2368: host = srctx->host;
2369: path = srctx->path;
2370: port = srctx->port;
2371: use_ssl = srctx->use_ssl;
2372: }
2373:
1.51 tb 2374: if ((inctx = X509_STORE_CTX_new()) == NULL)
2375: goto err;
2376:
2377: if (!X509_STORE_CTX_init(inctx,
1.52 ! tb 2378: SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
1.42 inoguchi 2379: NULL, NULL))
2380: goto err;
1.51 tb 2381: if (X509_STORE_get_by_subject(inctx, X509_LU_X509,
1.52 ! tb 2382: X509_get_issuer_name(x), &obj) <= 0) {
1.43 inoguchi 2383: BIO_puts(err,
2384: "cert_status: Can't retrieve issuer certificate.\n");
1.51 tb 2385: X509_STORE_CTX_cleanup(inctx);
1.42 inoguchi 2386: goto done;
2387: }
2388: req = OCSP_REQUEST_new();
2389: if (!req)
2390: goto err;
1.51 tb 2391: id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(&obj));
2392: X509_OBJECT_free_contents(&obj);
2393: X509_STORE_CTX_free(inctx);
2394: inctx = NULL;
1.42 inoguchi 2395: if (!id)
2396: goto err;
2397: if (!OCSP_request_add0_id(req, id))
2398: goto err;
2399: id = NULL;
2400: /* Add any extensions to the request */
2401: SSL_get_tlsext_status_exts(s, &exts);
2402: for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
2403: X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
2404: if (!OCSP_REQUEST_add_ext(req, ext, -1))
2405: goto err;
2406: }
2407: resp = process_responder(err, req, host, path, port, use_ssl, NULL,
2408: srctx->timeout);
2409: if (!resp) {
2410: BIO_puts(err, "cert_status: error querying responder\n");
2411: goto done;
2412: }
2413: rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
2414: if (rspderlen <= 0)
2415: goto err;
2416: SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
2417: if (srctx->verbose) {
2418: BIO_puts(err, "cert_status: ocsp response sent:\n");
2419: OCSP_RESPONSE_print(err, resp, 2);
2420: }
2421: ret = SSL_TLSEXT_ERR_OK;
2422: done:
1.51 tb 2423: X509_STORE_CTX_free(inctx);
1.42 inoguchi 2424: if (ret != SSL_TLSEXT_ERR_OK)
2425: ERR_print_errors(err);
2426: if (aia) {
2427: free(host);
2428: free(path);
2429: free(port);
2430: X509_email_free(aia);
2431: }
2432: if (id)
2433: OCSP_CERTID_free(id);
2434: if (req)
2435: OCSP_REQUEST_free(req);
2436: if (resp)
2437: OCSP_RESPONSE_free(resp);
2438: return ret;
2439: err:
2440: ret = SSL_TLSEXT_ERR_ALERT_FATAL;
2441: goto done;
2442: }
2443:
2444: static int
2445: alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen,
2446: const unsigned char *in, unsigned int inlen, void *arg)
2447: {
2448: tlsextalpnctx *alpn_ctx = arg;
2449:
2450: if (!s_server_config.quiet) {
2451: /* We can assume that in is syntactically valid. */
2452: unsigned i;
2453:
2454: BIO_printf(bio_s_out,
2455: "ALPN protocols advertised by the client: ");
2456: for (i = 0; i < inlen; ) {
2457: if (i)
2458: BIO_write(bio_s_out, ", ", 2);
2459: BIO_write(bio_s_out, &in[i + 1], in[i]);
2460: i += in[i] + 1;
2461: }
2462: BIO_write(bio_s_out, "\n", 1);
2463: }
2464:
2465: if (SSL_select_next_proto((unsigned char**)out, outlen, alpn_ctx->data,
2466: alpn_ctx->len, in, inlen) != OPENSSL_NPN_NEGOTIATED)
2467: return (SSL_TLSEXT_ERR_NOACK);
2468:
2469: if (!s_server_config.quiet) {
2470: BIO_printf(bio_s_out, "ALPN protocols selected: ");
2471: BIO_write(bio_s_out, *out, *outlen);
2472: BIO_write(bio_s_out, "\n", 1);
2473: }
2474:
2475: return (SSL_TLSEXT_ERR_OK);
1.1 jsing 2476: }
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