Annotation of src/usr.bin/openssl/s_client.c, Revision 1.56
1.56 ! jca 1: /* $OpenBSD: s_client.c,v 1.55 2021/10/22 09:44:58 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 2005 Nokia. All rights reserved.
113: *
114: * The portions of the attached software ("Contribution") is developed by
115: * Nokia Corporation and is licensed pursuant to the OpenSSL open source
116: * license.
117: *
118: * The Contribution, originally written by Mika Kousa and Pasi Eronen of
119: * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
120: * support (see RFC 4279) to OpenSSL.
121: *
122: * No patent licenses or other rights except those expressly stated in
123: * the OpenSSL open source license shall be deemed granted or received
124: * expressly, by implication, estoppel, or otherwise.
125: *
126: * No assurances are provided by Nokia that the Contribution does not
127: * infringe the patent or other intellectual property rights of any third
128: * party or that the license provides you with all the necessary rights
129: * to make use of the Contribution.
130: *
131: * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
132: * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
133: * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
134: * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
135: * OTHERWISE.
136: */
137:
138: #include <sys/types.h>
139: #include <sys/socket.h>
140:
141: #include <netinet/in.h>
142:
143: #include <assert.h>
144: #include <ctype.h>
145: #include <limits.h>
146: #include <netdb.h>
147: #include <stdio.h>
148: #include <stdlib.h>
149: #include <string.h>
150: #include <unistd.h>
1.9 deraadt 151: #include <poll.h>
1.1 jsing 152:
153: #include "apps.h"
154:
155: #include <openssl/bn.h>
156: #include <openssl/err.h>
157: #include <openssl/ocsp.h>
158: #include <openssl/pem.h>
159: #include <openssl/ssl.h>
160: #include <openssl/x509.h>
161:
162: #include "s_apps.h"
163: #include "timeouts.h"
164:
165: /*#define SSL_HOST_NAME "www.netscape.com" */
166: /*#define SSL_HOST_NAME "193.118.187.102" */
167: #define SSL_HOST_NAME "localhost"
168:
169: /*#define TEST_CERT "client.pem" *//* no default cert. */
170:
171: #define BUFSIZZ 1024*8
172:
173: static void sc_usage(void);
1.51 inoguchi 174: static void print_stuff(BIO *berr, SSL *con, int full);
175: static int ocsp_resp_cb(SSL *s, void *arg);
176: static int ssl_servername_cb(SSL *s, int *ad, void *arg);
1.1 jsing 177:
1.47 inoguchi 178: enum {
179: PROTO_OFF = 0,
180: PROTO_SMTP,
181: PROTO_LMTP,
182: PROTO_POP3,
183: PROTO_IMAP,
184: PROTO_FTP,
185: PROTO_XMPP,
186: };
187:
1.51 inoguchi 188: /* This is a context that we pass to callbacks */
189: typedef struct tlsextctx_st {
190: BIO *biodebug;
191: int ack;
192: } tlsextctx;
193:
1.47 inoguchi 194: static struct {
195: int af;
196: char *alpn_in;
197: int bugs;
198: char *CAfile;
199: char *CApath;
200: char *cert_file;
201: int cert_format;
202: char *cipher;
203: unsigned int clr;
204: char *connect;
205: int crlf;
1.48 inoguchi 206: int debug;
1.47 inoguchi 207: int enable_timeouts;
208: const char *errstr;
209: char *groups_in;
210: char *host;
1.48 inoguchi 211: int ign_eof;
1.47 inoguchi 212: char *key_file;
213: int key_format;
214: char *keymatexportlabel;
215: int keymatexportlen;
216: uint16_t max_version;
217: uint16_t min_version;
218: const SSL_METHOD *meth;
1.48 inoguchi 219: int msg;
220: int nbio;
1.47 inoguchi 221: int nbio_test;
222: char *npn_in;
223: unsigned int off;
224: char *passarg;
1.48 inoguchi 225: int pause;
1.47 inoguchi 226: int peekaboo;
227: char *port;
228: int prexit;
229: char *proxy;
1.48 inoguchi 230: int quiet;
1.47 inoguchi 231: int reconnect;
232: char *servername;
233: char *sess_in;
234: char *sess_out;
1.48 inoguchi 235: int showcerts;
1.47 inoguchi 236: int socket_type;
237: long socket_mtu;
238: #ifndef OPENSSL_NO_SRTP
239: char *srtp_profiles;
240: #endif
241: int starttls_proto;
242: int state;
1.48 inoguchi 243: int status_req;
244: int tlsextdebug;
1.47 inoguchi 245: int verify;
246: X509_VERIFY_PARAM *vpm;
247: char *xmpphost;
248: } s_client_config;
249:
250: static int
251: s_client_opt_keymatexportlen(char *arg)
252: {
253: s_client_config.keymatexportlen = strtonum(arg, 1, INT_MAX,
254: &s_client_config.errstr);
255: if (s_client_config.errstr != NULL) {
256: BIO_printf(bio_err, "invalid argument %s: %s\n",
257: arg, s_client_config.errstr);
258: return (1);
259: }
260: return (0);
261: }
262:
1.53 jsing 263: #ifndef OPENSSL_NO_DTLS
1.47 inoguchi 264: static int
265: s_client_opt_mtu(char *arg)
266: {
267: s_client_config.socket_mtu = strtonum(arg, 0, LONG_MAX,
268: &s_client_config.errstr);
269: if (s_client_config.errstr != NULL) {
270: BIO_printf(bio_err, "invalid argument %s: %s\n",
271: arg, s_client_config.errstr);
272: return (1);
273: }
274: return (0);
275: }
276: #endif
277:
278: static int
279: s_client_opt_port(char *arg)
280: {
281: if (*arg == '\0')
282: return (1);
283:
284: s_client_config.port = arg;
285: return (0);
286: }
287:
1.53 jsing 288: #ifndef OPENSSL_NO_DTLS
289: static int
290: s_client_opt_protocol_version_dtls(void)
291: {
292: s_client_config.meth = DTLS_client_method();
293: s_client_config.socket_type = SOCK_DGRAM;
294: return (0);
295: }
296: #endif
297:
1.47 inoguchi 298: #ifndef OPENSSL_NO_DTLS1
299: static int
300: s_client_opt_protocol_version_dtls1(void)
301: {
302: s_client_config.meth = DTLS_client_method();
1.53 jsing 303: s_client_config.min_version = DTLS1_VERSION;
304: s_client_config.max_version = DTLS1_VERSION;
305: s_client_config.socket_type = SOCK_DGRAM;
306: return (0);
307: }
308: #endif
309:
310: #ifndef OPENSSL_NO_DTLS1_2
311: static int
312: s_client_opt_protocol_version_dtls1_2(void)
313: {
314: s_client_config.meth = DTLS_client_method();
315: s_client_config.min_version = DTLS1_2_VERSION;
316: s_client_config.max_version = DTLS1_2_VERSION;
1.47 inoguchi 317: s_client_config.socket_type = SOCK_DGRAM;
318: return (0);
319: }
320: #endif
321:
322: static int
323: s_client_opt_protocol_version_tls1(void)
324: {
325: s_client_config.min_version = TLS1_VERSION;
326: s_client_config.max_version = TLS1_VERSION;
327: return (0);
328: }
329:
330: static int
331: s_client_opt_protocol_version_tls1_1(void)
332: {
333: s_client_config.min_version = TLS1_1_VERSION;
334: s_client_config.max_version = TLS1_1_VERSION;
335: return (0);
336: }
337:
338: static int
339: s_client_opt_protocol_version_tls1_2(void)
340: {
341: s_client_config.min_version = TLS1_2_VERSION;
342: s_client_config.max_version = TLS1_2_VERSION;
343: return (0);
344: }
345:
346: static int
347: s_client_opt_protocol_version_tls1_3(void)
348: {
349: s_client_config.min_version = TLS1_3_VERSION;
350: s_client_config.max_version = TLS1_3_VERSION;
351: return (0);
352: }
353:
354: static int
355: s_client_opt_quiet(void)
356: {
1.48 inoguchi 357: s_client_config.quiet = 1;
358: s_client_config.ign_eof = 1;
1.47 inoguchi 359: return (0);
360: }
361:
362: static int
363: s_client_opt_starttls(char *arg)
364: {
365: if (strcmp(arg, "smtp") == 0)
366: s_client_config.starttls_proto = PROTO_SMTP;
367: else if (strcmp(arg, "lmtp") == 0)
368: s_client_config.starttls_proto = PROTO_LMTP;
369: else if (strcmp(arg, "pop3") == 0)
370: s_client_config.starttls_proto = PROTO_POP3;
371: else if (strcmp(arg, "imap") == 0)
372: s_client_config.starttls_proto = PROTO_IMAP;
373: else if (strcmp(arg, "ftp") == 0)
374: s_client_config.starttls_proto = PROTO_FTP;
375: else if (strcmp(arg, "xmpp") == 0)
376: s_client_config.starttls_proto = PROTO_XMPP;
377: else
378: return (1);
379: return (0);
380: }
381:
382: static int
383: s_client_opt_verify(char *arg)
384: {
385: s_client_config.verify = SSL_VERIFY_PEER;
386:
387: verify_depth = strtonum(arg, 0, INT_MAX, &s_client_config.errstr);
388: if (s_client_config.errstr != NULL) {
389: BIO_printf(bio_err, "invalid argument %s: %s\n",
390: arg, s_client_config.errstr);
391: return (1);
392: }
393: BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
394: return (0);
395: }
396:
397: static int
398: s_client_opt_verify_param(int argc, char **argv, int *argsused)
399: {
400: char **pargs = argv;
401: int pargc = argc;
402: int badarg = 0;
403:
404: if (!args_verify(&pargs, &pargc, &badarg, bio_err,
405: &s_client_config.vpm)) {
406: BIO_printf(bio_err, "unknown option %s\n", *argv);
407: return (1);
408: }
409: if (badarg)
410: return (1);
411:
412: *argsused = argc - pargc;
413: return (0);
414: }
415:
416: static const struct option s_client_options[] = {
417: {
418: .name = "4",
419: .desc = "Use IPv4 only",
420: .type = OPTION_VALUE,
421: .opt.value = &s_client_config.af,
422: .value = AF_INET,
423: },
424: {
425: .name = "6",
426: .desc = "Use IPv6 only",
427: .type = OPTION_VALUE,
428: .opt.value = &s_client_config.af,
429: .value = AF_INET6,
430: },
431: {
432: .name = "alpn",
433: .argname = "protocols",
434: .desc = "Set the advertised protocols for ALPN"
435: " (comma-separated list)",
436: .type = OPTION_ARG,
437: .opt.arg = &s_client_config.alpn_in,
438: },
439: {
440: .name = "bugs",
441: .desc = "Enable various workarounds for buggy implementations",
442: .type = OPTION_FLAG,
443: .opt.flag = &s_client_config.bugs,
444: },
445: {
446: .name = "CAfile",
447: .argname = "file",
448: .desc = "PEM format file of CA certificates",
449: .type = OPTION_ARG,
450: .opt.arg = &s_client_config.CAfile,
451: },
452: {
453: .name = "CApath",
454: .argname = "directory",
455: .desc = "PEM format directory of CA certificates",
456: .type = OPTION_ARG,
457: .opt.arg = &s_client_config.CApath,
458: },
459: {
460: .name = "cert",
461: .argname = "file",
462: .desc = "Certificate file to use, PEM format assumed",
463: .type = OPTION_ARG,
464: .opt.arg = &s_client_config.cert_file,
465: },
466: {
467: .name = "certform",
468: .argname = "fmt",
469: .desc = "Certificate format (PEM or DER) PEM default",
470: .type = OPTION_ARG_FORMAT,
471: .opt.value = &s_client_config.cert_format,
472: },
473: {
474: .name = "cipher",
475: .argname = "cipherlist",
476: .desc = "Preferred cipher to use (see 'openssl ciphers')",
477: .type = OPTION_ARG,
478: .opt.arg = &s_client_config.cipher,
479: },
480: {
481: .name = "connect",
482: .argname = "host:port",
483: .desc = "Who to connect to (default is localhost:4433)",
484: .type = OPTION_ARG,
485: .opt.arg = &s_client_config.connect,
486: },
487: {
488: .name = "crlf",
489: .desc = "Convert LF from terminal into CRLF",
490: .type = OPTION_FLAG,
491: .opt.flag = &s_client_config.crlf,
492: },
493: {
494: .name = "debug",
495: .desc = "Print extensive debugging information",
496: .type = OPTION_FLAG,
1.48 inoguchi 497: .opt.flag = &s_client_config.debug,
1.47 inoguchi 498: },
1.53 jsing 499: #ifndef OPENSSL_NO_DTLS
500: {
501: .name = "dtls",
502: .desc = "Use any version of DTLS",
503: .type = OPTION_FUNC,
504: .opt.func = s_client_opt_protocol_version_dtls,
505: },
506: #endif
1.47 inoguchi 507: #ifndef OPENSSL_NO_DTLS1
508: {
509: .name = "dtls1",
510: .desc = "Just use DTLSv1",
511: .type = OPTION_FUNC,
512: .opt.func = s_client_opt_protocol_version_dtls1,
513: },
514: #endif
1.53 jsing 515: #ifndef OPENSSL_NO_DTLS1_2
516: {
517: .name = "dtls1_2",
518: .desc = "Just use DTLSv1.2",
519: .type = OPTION_FUNC,
520: .opt.func = s_client_opt_protocol_version_dtls1_2,
521: },
522: #endif
1.47 inoguchi 523: {
524: .name = "groups",
525: .argname = "list",
526: .desc = "Specify EC groups (colon-separated list)",
527: .type = OPTION_ARG,
528: .opt.arg = &s_client_config.groups_in,
529: },
530: {
531: .name = "host",
532: .argname = "host",
533: .desc = "Use -connect instead",
534: .type = OPTION_ARG,
535: .opt.arg = &s_client_config.host,
536: },
537: {
538: .name = "ign_eof",
539: .desc = "Ignore input EOF (default when -quiet)",
540: .type = OPTION_VALUE,
1.48 inoguchi 541: .opt.value = &s_client_config.ign_eof,
1.47 inoguchi 542: .value = 1,
543: },
544: {
545: .name = "key",
546: .argname = "file",
547: .desc = "Private key file to use, if not, -cert file is used",
548: .type = OPTION_ARG,
549: .opt.arg = &s_client_config.key_file,
550: },
551: {
552: .name = "keyform",
553: .argname = "fmt",
554: .desc = "Key format (PEM or DER) PEM default",
555: .type = OPTION_ARG_FORMAT,
556: .opt.value = &s_client_config.key_format,
557: },
558: {
559: .name = "keymatexport",
560: .argname = "label",
561: .desc = "Export keying material using label",
562: .type = OPTION_ARG,
563: .opt.arg = &s_client_config.keymatexportlabel,
564: },
565: {
566: .name = "keymatexportlen",
567: .argname = "len",
568: .desc = "Export len bytes of keying material (default 20)",
569: .type = OPTION_ARG_FUNC,
570: .opt.argfunc = s_client_opt_keymatexportlen,
571: },
572: {
573: .name = "legacy_renegotiation",
574: .type = OPTION_DISCARD,
575: },
576: {
577: .name = "legacy_server_connect",
578: .desc = "Allow initial connection to servers that don't support RI",
579: .type = OPTION_VALUE_OR,
580: .opt.value = &s_client_config.off,
581: .value = SSL_OP_LEGACY_SERVER_CONNECT,
582: },
583: {
584: .name = "msg",
585: .desc = "Show all protocol messages with hex dump",
586: .type = OPTION_FLAG,
1.48 inoguchi 587: .opt.flag = &s_client_config.msg,
1.47 inoguchi 588: },
1.53 jsing 589: #ifndef OPENSSL_NO_DTLS
1.47 inoguchi 590: {
591: .name = "mtu",
592: .argname = "mtu",
593: .desc = "Set the link layer MTU on DTLS connections",
594: .type = OPTION_ARG_FUNC,
595: .opt.argfunc = s_client_opt_mtu,
596: },
597: #endif
598: {
599: .name = "nbio",
600: .desc = "Turn on non-blocking I/O",
601: .type = OPTION_FLAG,
1.48 inoguchi 602: .opt.flag = &s_client_config.nbio,
1.47 inoguchi 603: },
604: {
605: .name = "nbio_test",
606: .desc = "Test non-blocking I/O",
607: .type = OPTION_FLAG,
608: .opt.flag = &s_client_config.nbio_test,
609: },
610: {
611: .name = "nextprotoneg",
612: .argname = "protocols",
613: .type = OPTION_ARG,
614: .opt.arg = &s_client_config.npn_in, /* Ignored. */
615: },
616: {
617: .name = "no_comp",
618: .type = OPTION_VALUE_OR,
619: .opt.value = &s_client_config.off,
620: .value = SSL_OP_NO_COMPRESSION,
621: },
622: {
623: .name = "no_ign_eof",
624: .desc = "Don't ignore input EOF",
625: .type = OPTION_VALUE,
1.48 inoguchi 626: .opt.value = &s_client_config.ign_eof,
1.47 inoguchi 627: .value = 0,
628: },
629: {
630: .name = "no_legacy_server_connect",
631: .desc = "Disallow initial connection to servers that don't support RI",
632: .type = OPTION_VALUE_OR,
633: .opt.value = &s_client_config.clr,
634: .value = SSL_OP_LEGACY_SERVER_CONNECT,
635: },
636: {
637: .name = "no_ssl2",
638: .type = OPTION_VALUE_OR,
639: .opt.value = &s_client_config.off,
640: .value = SSL_OP_NO_SSLv2,
641: },
642: {
643: .name = "no_ssl3",
644: .type = OPTION_VALUE_OR,
645: .opt.value = &s_client_config.off,
646: .value = SSL_OP_NO_SSLv3,
647: },
648: {
649: .name = "no_ticket",
650: .desc = "Disable use of RFC4507 session ticket support",
651: .type = OPTION_VALUE_OR,
652: .opt.value = &s_client_config.off,
653: .value = SSL_OP_NO_TICKET,
654: },
655: {
656: .name = "no_tls1",
657: .desc = "Disable the use of TLSv1",
658: .type = OPTION_VALUE_OR,
659: .opt.value = &s_client_config.off,
660: .value = SSL_OP_NO_TLSv1,
661: },
662: {
663: .name = "no_tls1_1",
664: .desc = "Disable the use of TLSv1.1",
665: .type = OPTION_VALUE_OR,
666: .opt.value = &s_client_config.off,
667: .value = SSL_OP_NO_TLSv1_1,
668: },
669: {
670: .name = "no_tls1_2",
671: .desc = "Disable the use of TLSv1.2",
672: .type = OPTION_VALUE_OR,
673: .opt.value = &s_client_config.off,
674: .value = SSL_OP_NO_TLSv1_2,
675: },
676: {
677: .name = "no_tls1_3",
678: .desc = "Disable the use of TLSv1.3",
679: .type = OPTION_VALUE_OR,
680: .opt.value = &s_client_config.off,
681: .value = SSL_OP_NO_TLSv1_3,
682: },
683: {
684: .name = "pass",
685: .argname = "arg",
686: .desc = "Private key file pass phrase source",
687: .type = OPTION_ARG,
688: .opt.arg = &s_client_config.passarg,
689: },
690: {
691: .name = "pause",
692: .desc = "Pause 1 second between each read and write call",
693: .type = OPTION_FLAG,
1.48 inoguchi 694: .opt.flag = &s_client_config.pause,
1.47 inoguchi 695: },
696: {
697: .name = "peekaboo",
698: .type = OPTION_FLAG,
699: .opt.flag = &s_client_config.peekaboo,
700: },
701: {
702: .name = "port",
703: .argname = "port",
704: .desc = "Use -connect instead",
705: .type = OPTION_ARG_FUNC,
706: .opt.argfunc = s_client_opt_port,
707: },
708: {
709: .name = "prexit",
710: .desc = "Print session information when the program exits",
711: .type = OPTION_FLAG,
712: .opt.flag = &s_client_config.prexit,
713: },
714: {
715: .name = "proxy",
716: .argname = "host:port",
717: .desc = "Connect to http proxy",
718: .type = OPTION_ARG,
719: .opt.arg = &s_client_config.proxy,
720: },
721: {
722: .name = "quiet",
723: .desc = "Inhibit printing of session and certificate info",
724: .type = OPTION_FUNC,
725: .opt.func = s_client_opt_quiet,
726: },
727: {
728: .name = "reconnect",
729: .desc = "Drop and re-make the connection with the same Session-ID",
730: .type = OPTION_VALUE,
731: .opt.value = &s_client_config.reconnect,
732: .value = 5,
733: },
734: {
735: .name = "servername",
736: .argname = "name",
737: .desc = "Set TLS extension servername in ClientHello (SNI)",
738: .type = OPTION_ARG,
739: .opt.arg = &s_client_config.servername,
740: },
741: {
742: .name = "serverpref",
743: .desc = "Use server's cipher preferences",
744: .type = OPTION_VALUE_OR,
745: .opt.value = &s_client_config.off,
746: .value = SSL_OP_CIPHER_SERVER_PREFERENCE,
747: },
748: {
749: .name = "sess_in",
750: .argname = "file",
751: .desc = "File to read TLS session from",
752: .type = OPTION_ARG,
753: .opt.arg = &s_client_config.sess_in,
754: },
755: {
756: .name = "sess_out",
757: .argname = "file",
758: .desc = "File to write TLS session to",
759: .type = OPTION_ARG,
760: .opt.arg = &s_client_config.sess_out,
761: },
762: {
763: .name = "showcerts",
764: .desc = "Show all server certificates in the chain",
765: .type = OPTION_FLAG,
1.48 inoguchi 766: .opt.flag = &s_client_config.showcerts,
1.47 inoguchi 767: },
768: {
769: .name = "starttls",
770: .argname = "protocol",
771: .desc = "Use the STARTTLS command before starting TLS,\n"
772: "smtp, lmtp, pop3, imap, ftp and xmpp are supported.",
773: .type = OPTION_ARG_FUNC,
774: .opt.argfunc = s_client_opt_starttls,
775: },
776: {
777: .name = "state",
778: .desc = "Print the TLS session states",
779: .type = OPTION_FLAG,
780: .opt.flag = &s_client_config.state,
781: },
782: {
783: .name = "status",
784: .desc = "Send a certificate status request to the server (OCSP)",
785: .type = OPTION_FLAG,
1.48 inoguchi 786: .opt.flag = &s_client_config.status_req,
1.47 inoguchi 787: },
1.53 jsing 788: #ifndef OPENSSL_NO_DTLS
1.47 inoguchi 789: {
790: .name = "timeout",
791: .desc = "Enable send/receive timeout on DTLS connections",
792: .type = OPTION_FLAG,
793: .opt.flag = &s_client_config.enable_timeouts,
794: },
795: #endif
796: {
797: .name = "tls1",
798: .desc = "Just use TLSv1",
799: .type = OPTION_FUNC,
800: .opt.func = s_client_opt_protocol_version_tls1,
801: },
802: {
803: .name = "tls1_1",
804: .desc = "Just use TLSv1.1",
805: .type = OPTION_FUNC,
806: .opt.func = s_client_opt_protocol_version_tls1_1,
807: },
808: {
809: .name = "tls1_2",
810: .desc = "Just use TLSv1.2",
811: .type = OPTION_FUNC,
812: .opt.func = s_client_opt_protocol_version_tls1_2,
813: },
814: {
815: .name = "tls1_3",
816: .desc = "Just use TLSv1.3",
817: .type = OPTION_FUNC,
818: .opt.func = s_client_opt_protocol_version_tls1_3,
819: },
820: {
821: .name = "tlsextdebug",
822: .desc = "Hex dump of all TLS extensions received",
823: .type = OPTION_FLAG,
1.48 inoguchi 824: .opt.flag = &s_client_config.tlsextdebug,
1.47 inoguchi 825: },
826: #ifndef OPENSSL_NO_SRTP
827: {
828: .name = "use_srtp",
829: .argname = "profiles",
830: .desc = "Offer SRTP key management with a colon-separated profiles",
831: .type = OPTION_ARG,
832: .opt.arg = &s_client_config.srtp_profiles,
833: },
834: #endif
835: {
836: .name = "verify",
837: .argname = "depth",
838: .desc = "Turn on peer certificate verification, with a max of depth",
839: .type = OPTION_ARG_FUNC,
840: .opt.argfunc = s_client_opt_verify,
841: },
842: {
843: .name = "verify_return_error",
844: .desc = "Return verification error",
845: .type = OPTION_FLAG,
846: .opt.flag = &verify_return_error,
847: },
848: {
849: .name = "xmpphost",
850: .argname = "host",
851: .desc = "Connect to this virtual host on the xmpp server",
852: .type = OPTION_ARG,
853: .opt.arg = &s_client_config.xmpphost,
854: },
855: {
856: .name = NULL,
857: .desc = "",
858: .type = OPTION_ARGV_FUNC,
859: .opt.argvfunc = s_client_opt_verify_param,
860: },
861: { NULL },
862: };
1.1 jsing 863:
864: static void
865: sc_usage(void)
866: {
1.47 inoguchi 867: fprintf(stderr, "usage: s_client "
868: "[-4 | -6] [-alpn protocols] [-bugs] [-CAfile file]\n"
869: " [-CApath directory] [-cert file] [-certform der | pem] [-check_ss_sig]\n"
870: " [-cipher cipherlist] [-connect host[:port]] [-crl_check]\n"
1.53 jsing 871: " [-crl_check_all] [-crlf] [-debug] [-dtls] [-dtls1] [-dtls1_2] [-extended_crl]\n"
1.47 inoguchi 872: " [-groups list] [-host host] [-ign_eof] [-ignore_critical]\n"
873: " [-issuer_checks] [-key keyfile] [-keyform der | pem]\n"
874: " [-keymatexport label] [-keymatexportlen len] [-legacy_server_connect]\n"
875: " [-msg] [-mtu mtu] [-nbio] [-nbio_test] [-no_comp] [-no_ign_eof]\n"
876: " [-no_legacy_server_connect] [-no_ticket] [-no_tls1] [-no_tls1_1]\n"
877: " [-no_tls1_2] [-no_tls1_3] [-pass arg] [-pause] [-policy_check]\n"
878: " [-port port] [-prexit] [-proxy host:port] [-quiet] [-reconnect]\n"
879: " [-servername name] [-serverpref] [-sess_in file] [-sess_out file]\n"
880: " [-showcerts] [-starttls protocol] [-state] [-status] [-timeout]\n"
881: " [-tls1] [-tls1_1] [-tls1_2] [-tls1_3] [-tlsextdebug]\n"
882: " [-use_srtp profiles] [-verify depth] [-verify_return_error]\n"
883: " [-x509_strict] [-xmpphost host]\n");
884: fprintf(stderr, "\n");
885: options_usage(s_client_options);
886: fprintf(stderr, "\n");
1.1 jsing 887: }
888:
889: int
890: s_client_main(int argc, char **argv)
891: {
892: SSL *con = NULL;
1.47 inoguchi 893: int s, k, p = 0, pending = 0;
1.39 beck 894: char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL, *pbuf = NULL;
1.1 jsing 895: int cbuf_len, cbuf_off;
896: int sbuf_len, sbuf_off;
897: int full_log = 1;
1.47 inoguchi 898: char *pass = NULL;
1.1 jsing 899: X509 *cert = NULL;
900: EVP_PKEY *key = NULL;
1.47 inoguchi 901: int badop = 0;
1.1 jsing 902: int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
903: SSL_CTX *ctx = NULL;
1.47 inoguchi 904: int ret = 1, in_init = 1, i;
1.50 inoguchi 905: BIO *bio_c_out = NULL;
1.1 jsing 906: BIO *sbio;
907: int mbuf_len = 0;
1.9 deraadt 908: struct timeval timeout;
1.33 jsing 909: tlsextctx tlsextcbp = {NULL, 0};
1.45 deraadt 910: struct sockaddr_storage peer;
1.1 jsing 911: int peerlen = sizeof(peer);
1.21 doug 912:
913: if (single_execution) {
1.30 deraadt 914: if (pledge("stdio cpath wpath rpath inet dns tty", NULL) == -1) {
1.21 doug 915: perror("pledge");
1.23 doug 916: exit(1);
917: }
1.21 doug 918: }
1.1 jsing 919:
1.47 inoguchi 920: memset(&s_client_config, 0, sizeof(s_client_config));
921: s_client_config.af = AF_UNSPEC;
922: s_client_config.cert_format = FORMAT_PEM;
923: s_client_config.host = SSL_HOST_NAME;
924: s_client_config.key_format = FORMAT_PEM;
925: s_client_config.keymatexportlen = 20;
926: s_client_config.meth = TLS_client_method();
927: s_client_config.port = PORT_STR;
928: s_client_config.socket_type = SOCK_STREAM;
929: s_client_config.starttls_proto = PROTO_OFF;
930: s_client_config.verify = SSL_VERIFY_NONE;
1.1 jsing 931:
932: if (((cbuf = malloc(BUFSIZZ)) == NULL) ||
933: ((sbuf = malloc(BUFSIZZ)) == NULL) ||
1.39 beck 934: ((pbuf = malloc(BUFSIZZ)) == NULL) ||
1.1 jsing 935: ((mbuf = malloc(BUFSIZZ + 1)) == NULL)) { /* NUL byte */
936: BIO_printf(bio_err, "out of memory\n");
937: goto end;
938: }
939: verify_depth = 0;
940:
1.47 inoguchi 941: if (options_parse(argc, argv, s_client_options, NULL, NULL) != 0) {
942: badop = 1;
943: goto bad;
1.1 jsing 944: }
1.47 inoguchi 945: if (s_client_config.proxy != NULL) {
1.49 inoguchi 946: if (!extract_host_port(s_client_config.proxy,
947: &s_client_config.host, NULL, &s_client_config.port))
1.12 bluhm 948: goto bad;
1.47 inoguchi 949: if (s_client_config.connect == NULL)
950: s_client_config.connect = SSL_HOST_NAME;
951: } else if (s_client_config.connect != NULL) {
1.49 inoguchi 952: if (!extract_host_port(s_client_config.connect,
953: &s_client_config.host, NULL, &s_client_config.port))
1.12 bluhm 954: goto bad;
955: }
1.1 jsing 956: if (badop) {
1.35 jsing 957: bad:
1.47 inoguchi 958: if (s_client_config.errstr == NULL)
1.1 jsing 959: sc_usage();
960: goto end;
961: }
962:
1.47 inoguchi 963: if (!app_passwd(bio_err, s_client_config.passarg, NULL, &pass, NULL)) {
1.1 jsing 964: BIO_printf(bio_err, "Error getting password\n");
965: goto end;
966: }
1.47 inoguchi 967: if (s_client_config.key_file == NULL)
968: s_client_config.key_file = s_client_config.cert_file;
1.1 jsing 969:
970:
1.47 inoguchi 971: if (s_client_config.key_file) {
1.1 jsing 972:
1.49 inoguchi 973: key = load_key(bio_err, s_client_config.key_file,
974: s_client_config.key_format, 0, pass,
1.1 jsing 975: "client certificate private key file");
976: if (!key) {
977: ERR_print_errors(bio_err);
978: goto end;
979: }
980: }
1.47 inoguchi 981: if (s_client_config.cert_file) {
1.49 inoguchi 982: cert = load_cert(bio_err, s_client_config.cert_file,
983: s_client_config.cert_format,
1.19 bcook 984: NULL, "client certificate file");
1.1 jsing 985:
986: if (!cert) {
987: ERR_print_errors(bio_err);
988: goto end;
989: }
990: }
1.50 inoguchi 991: if (s_client_config.quiet && !s_client_config.debug &&
992: !s_client_config.msg) {
993: if ((bio_c_out = BIO_new(BIO_s_null())) == NULL)
994: goto end;
995: } else {
996: if ((bio_c_out = BIO_new_fp(stdout, BIO_NOCLOSE)) == NULL)
997: goto end;
1.1 jsing 998: }
999:
1.47 inoguchi 1000: ctx = SSL_CTX_new(s_client_config.meth);
1.1 jsing 1001: if (ctx == NULL) {
1002: ERR_print_errors(bio_err);
1003: goto end;
1004: }
1.46 tb 1005:
1006: SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1007:
1.47 inoguchi 1008: if (s_client_config.vpm)
1009: SSL_CTX_set1_param(ctx, s_client_config.vpm);
1.42 jsing 1010:
1.47 inoguchi 1011: if (!SSL_CTX_set_min_proto_version(ctx, s_client_config.min_version))
1.42 jsing 1012: goto end;
1.47 inoguchi 1013: if (!SSL_CTX_set_max_proto_version(ctx, s_client_config.max_version))
1.42 jsing 1014: goto end;
1.1 jsing 1015:
1016: #ifndef OPENSSL_NO_SRTP
1.47 inoguchi 1017: if (s_client_config.srtp_profiles != NULL)
1018: SSL_CTX_set_tlsext_use_srtp(ctx, s_client_config.srtp_profiles);
1.1 jsing 1019: #endif
1.47 inoguchi 1020: if (s_client_config.bugs)
1021: SSL_CTX_set_options(ctx, SSL_OP_ALL | s_client_config.off);
1.1 jsing 1022: else
1.47 inoguchi 1023: SSL_CTX_set_options(ctx, s_client_config.off);
1.1 jsing 1024:
1.47 inoguchi 1025: if (s_client_config.clr)
1026: SSL_CTX_clear_options(ctx, s_client_config.clr);
1.1 jsing 1027:
1.47 inoguchi 1028: if (s_client_config.alpn_in) {
1.10 jsing 1029: unsigned short alpn_len;
1.49 inoguchi 1030: unsigned char *alpn;
1.10 jsing 1031:
1.49 inoguchi 1032: alpn = next_protos_parse(&alpn_len, s_client_config.alpn_in);
1.10 jsing 1033: if (alpn == NULL) {
1034: BIO_printf(bio_err, "Error parsing -alpn argument\n");
1035: goto end;
1036: }
1037: SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
1038: free(alpn);
1.31 jsing 1039: }
1.47 inoguchi 1040: if (s_client_config.groups_in != NULL) {
1041: if (SSL_CTX_set1_groups_list(ctx, s_client_config.groups_in) != 1) {
1.31 jsing 1042: BIO_printf(bio_err, "Failed to set groups '%s'\n",
1.47 inoguchi 1043: s_client_config.groups_in);
1.31 jsing 1044: goto end;
1045: }
1.10 jsing 1046: }
1.1 jsing 1047:
1.47 inoguchi 1048: if (s_client_config.state)
1.1 jsing 1049: SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1.47 inoguchi 1050: if (s_client_config.cipher != NULL)
1051: if (!SSL_CTX_set_cipher_list(ctx, s_client_config.cipher)) {
1.1 jsing 1052: BIO_printf(bio_err, "error setting cipher list\n");
1053: ERR_print_errors(bio_err);
1054: goto end;
1055: }
1056:
1.47 inoguchi 1057: SSL_CTX_set_verify(ctx, s_client_config.verify, verify_callback);
1.1 jsing 1058: if (!set_cert_key_stuff(ctx, cert, key))
1059: goto end;
1060:
1.47 inoguchi 1061: if ((s_client_config.CAfile || s_client_config.CApath)
1.49 inoguchi 1062: && !SSL_CTX_load_verify_locations(ctx, s_client_config.CAfile,
1063: s_client_config.CApath))
1.1 jsing 1064: ERR_print_errors(bio_err);
1.28 bcook 1065:
1066: if (!SSL_CTX_set_default_verify_paths(ctx))
1067: ERR_print_errors(bio_err);
1068:
1.47 inoguchi 1069: if (s_client_config.servername != NULL) {
1.1 jsing 1070: tlsextcbp.biodebug = bio_err;
1071: SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1072: SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1073: }
1074:
1075: con = SSL_new(ctx);
1.47 inoguchi 1076: if (s_client_config.sess_in) {
1.1 jsing 1077: SSL_SESSION *sess;
1.47 inoguchi 1078: BIO *stmp = BIO_new_file(s_client_config.sess_in, "r");
1.1 jsing 1079: if (!stmp) {
1080: BIO_printf(bio_err, "Can't open session file %s\n",
1.47 inoguchi 1081: s_client_config.sess_in);
1.1 jsing 1082: ERR_print_errors(bio_err);
1083: goto end;
1084: }
1085: sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1086: BIO_free(stmp);
1087: if (!sess) {
1088: BIO_printf(bio_err, "Can't open session file %s\n",
1.47 inoguchi 1089: s_client_config.sess_in);
1.1 jsing 1090: ERR_print_errors(bio_err);
1091: goto end;
1092: }
1093: SSL_set_session(con, sess);
1094: SSL_SESSION_free(sess);
1095: }
1.47 inoguchi 1096: if (s_client_config.servername != NULL) {
1097: if (!SSL_set_tlsext_host_name(con, s_client_config.servername)) {
1.49 inoguchi 1098: BIO_printf(bio_err,
1099: "Unable to set TLS servername extension.\n");
1.1 jsing 1100: ERR_print_errors(bio_err);
1101: goto end;
1102: }
1103: }
1104: /* SSL_set_cipher_list(con,"RC4-MD5"); */
1105:
1.49 inoguchi 1106: re_start:
1.1 jsing 1107:
1.49 inoguchi 1108: if (init_client(&s, s_client_config.host, s_client_config.port,
1109: s_client_config.socket_type, s_client_config.af) == 0) {
1.1 jsing 1110: BIO_printf(bio_err, "connect:errno=%d\n", errno);
1111: goto end;
1112: }
1113: BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1114:
1.48 inoguchi 1115: if (s_client_config.nbio) {
1116: if (!s_client_config.quiet)
1.3 bcook 1117: BIO_printf(bio_c_out, "turning on non blocking io\n");
1118: if (!BIO_socket_nbio(s, 1)) {
1.1 jsing 1119: ERR_print_errors(bio_err);
1120: goto end;
1121: }
1122: }
1.48 inoguchi 1123: if (s_client_config.pause & 0x01)
1.1 jsing 1124: SSL_set_debug(con, 1);
1125:
1.53 jsing 1126: if (SSL_is_dtls(con)) {
1.1 jsing 1127: sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1.45 deraadt 1128: if (getsockname(s, (struct sockaddr *)&peer,
1129: (void *)&peerlen) == -1) {
1.1 jsing 1130: BIO_printf(bio_err, "getsockname:errno=%d\n",
1131: errno);
1132: shutdown(s, SHUT_RD);
1133: close(s);
1134: goto end;
1135: }
1136: (void) BIO_ctrl_set_connected(sbio, 1, &peer);
1137:
1.47 inoguchi 1138: if (s_client_config.enable_timeouts) {
1.1 jsing 1139: timeout.tv_sec = 0;
1140: timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1.49 inoguchi 1141: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0,
1142: &timeout);
1.1 jsing 1143:
1144: timeout.tv_sec = 0;
1145: timeout.tv_usec = DGRAM_SND_TIMEOUT;
1.49 inoguchi 1146: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0,
1147: &timeout);
1.1 jsing 1148: }
1.47 inoguchi 1149: if (s_client_config.socket_mtu > 28) {
1.1 jsing 1150: SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1.47 inoguchi 1151: SSL_set_mtu(con, s_client_config.socket_mtu - 28);
1.1 jsing 1152: } else
1153: /* want to do MTU discovery */
1154: BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1155: } else
1156: sbio = BIO_new_socket(s, BIO_NOCLOSE);
1157:
1.47 inoguchi 1158: if (s_client_config.nbio_test) {
1.1 jsing 1159: BIO *test;
1160:
1161: test = BIO_new(BIO_f_nbio_test());
1162: sbio = BIO_push(test, sbio);
1163: }
1.48 inoguchi 1164: if (s_client_config.debug) {
1.1 jsing 1165: SSL_set_debug(con, 1);
1166: BIO_set_callback(sbio, bio_dump_callback);
1167: BIO_set_callback_arg(sbio, (char *) bio_c_out);
1168: }
1.48 inoguchi 1169: if (s_client_config.msg) {
1.1 jsing 1170: SSL_set_msg_callback(con, msg_cb);
1171: SSL_set_msg_callback_arg(con, bio_c_out);
1172: }
1.48 inoguchi 1173: if (s_client_config.tlsextdebug) {
1.1 jsing 1174: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1175: SSL_set_tlsext_debug_arg(con, bio_c_out);
1176: }
1.48 inoguchi 1177: if (s_client_config.status_req) {
1.1 jsing 1178: SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1179: SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1180: SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1181: }
1182:
1183: SSL_set_bio(con, sbio, sbio);
1184: SSL_set_connect_state(con);
1185:
1186: /* ok, lets connect */
1187: read_tty = 1;
1188: write_tty = 0;
1189: tty_on = 0;
1190: read_ssl = 1;
1191: write_ssl = 1;
1192:
1193: cbuf_len = 0;
1194: cbuf_off = 0;
1195: sbuf_len = 0;
1196: sbuf_off = 0;
1197:
1198: /* This is an ugly hack that does a lot of assumptions */
1199: /*
1200: * We do have to handle multi-line responses which may come in a
1201: * single packet or not. We therefore have to use BIO_gets() which
1202: * does need a buffering BIO. So during the initial chitchat we do
1203: * push a buffering BIO into the chain that is removed again later on
1204: * to not disturb the rest of the s_client operation.
1205: */
1.49 inoguchi 1206: if (s_client_config.starttls_proto == PROTO_SMTP ||
1207: s_client_config.starttls_proto == PROTO_LMTP) {
1.1 jsing 1208: int foundit = 0;
1209: BIO *fbio = BIO_new(BIO_f_buffer());
1210: BIO_push(fbio, sbio);
1211: /* wait for multi-line response to end from SMTP */
1212: do {
1213: mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1214: }
1215: while (mbuf_len > 3 && mbuf[3] == '-');
1216: /* STARTTLS command requires EHLO... */
1217: BIO_printf(fbio, "%cHLO openssl.client.net\r\n",
1.49 inoguchi 1218: s_client_config.starttls_proto == PROTO_SMTP ? 'E' : 'L');
1.1 jsing 1219: (void) BIO_flush(fbio);
1220: /* wait for multi-line response to end EHLO SMTP response */
1221: do {
1222: mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1223: if (strstr(mbuf, "STARTTLS"))
1224: foundit = 1;
1225: }
1226: while (mbuf_len > 3 && mbuf[3] == '-');
1227: (void) BIO_flush(fbio);
1228: BIO_pop(fbio);
1229: BIO_free(fbio);
1230: if (!foundit)
1231: BIO_printf(bio_err,
1.36 jmc 1232: "didn't find starttls in server response,"
1.1 jsing 1233: " try anyway...\n");
1234: BIO_printf(sbio, "STARTTLS\r\n");
1235: BIO_read(sbio, sbuf, BUFSIZZ);
1.47 inoguchi 1236: } else if (s_client_config.starttls_proto == PROTO_POP3) {
1.1 jsing 1237: mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
1238: if (mbuf_len == -1) {
1239: BIO_printf(bio_err, "BIO_read failed\n");
1240: goto end;
1241: }
1242: BIO_printf(sbio, "STLS\r\n");
1243: BIO_read(sbio, sbuf, BUFSIZZ);
1.47 inoguchi 1244: } else if (s_client_config.starttls_proto == PROTO_IMAP) {
1.1 jsing 1245: int foundit = 0;
1246: BIO *fbio = BIO_new(BIO_f_buffer());
1247: BIO_push(fbio, sbio);
1248: BIO_gets(fbio, mbuf, BUFSIZZ);
1249: /* STARTTLS command requires CAPABILITY... */
1250: BIO_printf(fbio, ". CAPABILITY\r\n");
1251: (void) BIO_flush(fbio);
1252: /* wait for multi-line CAPABILITY response */
1253: do {
1254: mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1255: if (strstr(mbuf, "STARTTLS"))
1256: foundit = 1;
1257: }
1258: while (mbuf_len > 3 && mbuf[0] != '.');
1259: (void) BIO_flush(fbio);
1260: BIO_pop(fbio);
1261: BIO_free(fbio);
1262: if (!foundit)
1263: BIO_printf(bio_err,
1.37 tb 1264: "didn't find STARTTLS in server response,"
1.1 jsing 1265: " try anyway...\n");
1266: BIO_printf(sbio, ". STARTTLS\r\n");
1267: BIO_read(sbio, sbuf, BUFSIZZ);
1.47 inoguchi 1268: } else if (s_client_config.starttls_proto == PROTO_FTP) {
1.1 jsing 1269: BIO *fbio = BIO_new(BIO_f_buffer());
1270: BIO_push(fbio, sbio);
1271: /* wait for multi-line response to end from FTP */
1272: do {
1273: mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1274: }
1275: while (mbuf_len > 3 && mbuf[3] == '-');
1276: (void) BIO_flush(fbio);
1277: BIO_pop(fbio);
1278: BIO_free(fbio);
1279: BIO_printf(sbio, "AUTH TLS\r\n");
1280: BIO_read(sbio, sbuf, BUFSIZZ);
1.47 inoguchi 1281: } else if (s_client_config.starttls_proto == PROTO_XMPP) {
1.1 jsing 1282: int seen = 0;
1283: BIO_printf(sbio, "<stream:stream "
1284: "xmlns:stream='http://etherx.jabber.org/streams' "
1.49 inoguchi 1285: "xmlns='jabber:client' to='%s' version='1.0'>",
1286: s_client_config.xmpphost ?
1287: s_client_config.xmpphost : s_client_config.host);
1.1 jsing 1288: seen = BIO_read(sbio, mbuf, BUFSIZZ);
1.15 landry 1289:
1290: if (seen <= 0)
1291: goto shut;
1292:
1.1 jsing 1293: mbuf[seen] = 0;
1.15 landry 1294: while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'") &&
1295: !strstr(mbuf, "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\"")) {
1296: seen = BIO_read(sbio, mbuf, BUFSIZZ);
1297:
1298: if (seen <= 0)
1.1 jsing 1299: goto shut;
1.15 landry 1300:
1.1 jsing 1301: mbuf[seen] = 0;
1302: }
1.49 inoguchi 1303: BIO_printf(sbio,
1304: "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1.1 jsing 1305: seen = BIO_read(sbio, sbuf, BUFSIZZ);
1306: sbuf[seen] = 0;
1307: if (!strstr(sbuf, "<proceed"))
1308: goto shut;
1309: mbuf[0] = 0;
1.47 inoguchi 1310: } else if (s_client_config.proxy != NULL) {
1.49 inoguchi 1311: BIO_printf(sbio, "CONNECT %s HTTP/1.0\r\n\r\n",
1312: s_client_config.connect);
1.12 bluhm 1313: mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
1314: if (mbuf_len == -1) {
1315: BIO_printf(bio_err, "BIO_read failed\n");
1316: goto end;
1317: }
1.1 jsing 1318: }
1319: for (;;) {
1.9 deraadt 1320: struct pollfd pfd[3]; /* stdin, stdout, socket */
1321: int ptimeout = -1;
1.1 jsing 1322:
1.53 jsing 1323: if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
1.49 inoguchi 1324: ptimeout = timeout.tv_sec * 1000 +
1325: timeout.tv_usec / 1000;
1.1 jsing 1326:
1327: if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
1328: in_init = 1;
1329: tty_on = 0;
1330: } else {
1331: tty_on = 1;
1332: if (in_init) {
1333: in_init = 0;
1.47 inoguchi 1334: if (s_client_config.sess_out) {
1.49 inoguchi 1335: BIO *stmp = BIO_new_file(
1336: s_client_config.sess_out, "w");
1.1 jsing 1337: if (stmp) {
1.49 inoguchi 1338: PEM_write_bio_SSL_SESSION(stmp,
1339: SSL_get_session(con));
1.1 jsing 1340: BIO_free(stmp);
1341: } else
1.49 inoguchi 1342: BIO_printf(bio_err,
1343: "Error writing session file %s\n",
1344: s_client_config.sess_out);
1.1 jsing 1345: }
1346: print_stuff(bio_c_out, con, full_log);
1347: if (full_log > 0)
1348: full_log--;
1349:
1.47 inoguchi 1350: if (s_client_config.starttls_proto) {
1.1 jsing 1351: BIO_write(bio_err, mbuf, mbuf_len);
1352: /* We don't need to know any more */
1.47 inoguchi 1353: s_client_config.starttls_proto = PROTO_OFF;
1.1 jsing 1354: }
1.47 inoguchi 1355: if (s_client_config.reconnect) {
1356: s_client_config.reconnect--;
1.49 inoguchi 1357: BIO_printf(bio_c_out,
1358: "drop connection and then reconnect\n");
1.1 jsing 1359: SSL_shutdown(con);
1360: SSL_set_connect_state(con);
1361: shutdown(SSL_get_fd(con), SHUT_RD);
1362: close(SSL_get_fd(con));
1363: goto re_start;
1364: }
1365: }
1366: }
1367:
1368: ssl_pending = read_ssl && SSL_pending(con);
1369:
1.9 deraadt 1370: pfd[0].fd = -1;
1371: pfd[1].fd = -1;
1.1 jsing 1372: if (!ssl_pending) {
1373: if (tty_on) {
1.9 deraadt 1374: if (read_tty) {
1375: pfd[0].fd = fileno(stdin);
1376: pfd[0].events = POLLIN;
1377: }
1378: if (write_tty) {
1379: pfd[1].fd = fileno(stdout);
1380: pfd[1].events = POLLOUT;
1381: }
1.1 jsing 1382: }
1.9 deraadt 1383:
1384: pfd[2].fd = SSL_get_fd(con);
1385: pfd[2].events = 0;
1.1 jsing 1386: if (read_ssl)
1.9 deraadt 1387: pfd[2].events |= POLLIN;
1.1 jsing 1388: if (write_ssl)
1.9 deraadt 1389: pfd[2].events |= POLLOUT;
1390:
1.1 jsing 1391: /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1392: tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1393:
1.9 deraadt 1394: i = poll(pfd, 3, ptimeout);
1.38 deraadt 1395: if (i == -1) {
1.1 jsing 1396: BIO_printf(bio_err, "bad select %d\n",
1397: errno);
1398: goto shut;
1399: /* goto end; */
1400: }
1401: }
1.53 jsing 1402: if (SSL_is_dtls(con) &&
1403: DTLSv1_handle_timeout(con) > 0)
1.1 jsing 1404: BIO_printf(bio_err, "TIMEOUT occured\n");
1.49 inoguchi 1405: if (!ssl_pending &&
1406: (pfd[2].revents & (POLLOUT|POLLERR|POLLNVAL))) {
1.9 deraadt 1407: if (pfd[2].revents & (POLLERR|POLLNVAL)) {
1408: BIO_printf(bio_err, "poll error");
1409: goto shut;
1410: }
1.1 jsing 1411: k = SSL_write(con, &(cbuf[cbuf_off]),
1412: (unsigned int) cbuf_len);
1413: switch (SSL_get_error(con, k)) {
1414: case SSL_ERROR_NONE:
1415: cbuf_off += k;
1416: cbuf_len -= k;
1417: if (k <= 0)
1418: goto end;
1419: /* we have done a write(con,NULL,0); */
1420: if (cbuf_len <= 0) {
1421: read_tty = 1;
1422: write_ssl = 0;
1423: } else { /* if (cbuf_len > 0) */
1424: read_tty = 0;
1425: write_ssl = 1;
1426: }
1427: break;
1428: case SSL_ERROR_WANT_WRITE:
1429: BIO_printf(bio_c_out, "write W BLOCK\n");
1430: write_ssl = 1;
1431: read_tty = 0;
1432: break;
1433: case SSL_ERROR_WANT_READ:
1434: BIO_printf(bio_c_out, "write R BLOCK\n");
1435: write_tty = 0;
1436: read_ssl = 1;
1437: write_ssl = 0;
1438: break;
1439: case SSL_ERROR_WANT_X509_LOOKUP:
1440: BIO_printf(bio_c_out, "write X BLOCK\n");
1441: break;
1442: case SSL_ERROR_ZERO_RETURN:
1443: if (cbuf_len != 0) {
1444: BIO_printf(bio_c_out, "shutdown\n");
1445: ret = 0;
1446: goto shut;
1447: } else {
1448: read_tty = 1;
1449: write_ssl = 0;
1450: break;
1451: }
1452:
1453: case SSL_ERROR_SYSCALL:
1454: if ((k != 0) || (cbuf_len != 0)) {
1455: BIO_printf(bio_err, "write:errno=%d\n",
1456: errno);
1457: goto shut;
1458: } else {
1459: read_tty = 1;
1460: write_ssl = 0;
1461: }
1462: break;
1463: case SSL_ERROR_SSL:
1464: ERR_print_errors(bio_err);
1465: goto shut;
1466: }
1.9 deraadt 1467: } else if (!ssl_pending &&
1468: (pfd[1].revents & (POLLOUT|POLLERR|POLLNVAL))) {
1469: if (pfd[1].revents & (POLLERR|POLLNVAL)) {
1470: BIO_printf(bio_err, "poll error");
1471: goto shut;
1472: }
1.1 jsing 1473: i = write(fileno(stdout), &(sbuf[sbuf_off]), sbuf_len);
1474:
1475: if (i <= 0) {
1476: BIO_printf(bio_c_out, "DONE\n");
1477: ret = 0;
1478: goto shut;
1479: /* goto end; */
1480: }
1481: sbuf_len -= i;
1482: sbuf_off += i;
1483: if (sbuf_len <= 0) {
1484: read_ssl = 1;
1485: write_tty = 0;
1486: }
1.9 deraadt 1487: } else if (ssl_pending || (pfd[2].revents & (POLLIN|POLLHUP))) {
1.1 jsing 1488: #ifdef RENEG
1489: {
1490: static int iiii;
1491: if (++iiii == 52) {
1492: SSL_renegotiate(con);
1493: iiii = 0;
1494: }
1495: }
1496: #endif
1.47 inoguchi 1497: if (s_client_config.peekaboo) {
1.40 jsing 1498: k = p = SSL_peek(con, pbuf, 1024 /* BUFSIZZ */ );
1.41 beck 1499: pending = SSL_pending(con);
1.40 jsing 1500: if (SSL_get_error(con, p) == SSL_ERROR_NONE) {
1.39 beck 1501: if (p <= 0)
1502: goto end;
1503:
1.40 jsing 1504: k = SSL_read(con, sbuf, p);
1.39 beck 1505: }
1.40 jsing 1506: } else {
1507: k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
1.39 beck 1508: }
1.1 jsing 1509:
1510: switch (SSL_get_error(con, k)) {
1511: case SSL_ERROR_NONE:
1512: if (k <= 0)
1513: goto end;
1514: sbuf_off = 0;
1515: sbuf_len = k;
1.47 inoguchi 1516: if (s_client_config.peekaboo) {
1.41 beck 1517: if (p != pending) {
1518: ret = -1;
1519: BIO_printf(bio_err,
1.49 inoguchi 1520: "peeked %d but pending %d!\n",
1521: p, pending);
1.41 beck 1522: goto shut;
1523: }
1.39 beck 1524: if (k < p) {
1525: ret = -1;
1526: BIO_printf(bio_err,
1527: "read less than peek!\n");
1528: goto shut;
1529: }
1.49 inoguchi 1530: if (p > 0 &&
1531: (memcmp(sbuf, pbuf, p) != 0)) {
1.39 beck 1532: ret = -1;
1533: BIO_printf(bio_err,
1534: "peek of %d different from read of %d!\n",
1535: p, k);
1536: goto shut;
1537: }
1538: }
1.1 jsing 1539: read_ssl = 0;
1540: write_tty = 1;
1541: break;
1542: case SSL_ERROR_WANT_WRITE:
1543: BIO_printf(bio_c_out, "read W BLOCK\n");
1544: write_ssl = 1;
1545: read_tty = 0;
1546: break;
1547: case SSL_ERROR_WANT_READ:
1548: BIO_printf(bio_c_out, "read R BLOCK\n");
1549: write_tty = 0;
1550: read_ssl = 1;
1551: if ((read_tty == 0) && (write_ssl == 0))
1552: write_ssl = 1;
1553: break;
1554: case SSL_ERROR_WANT_X509_LOOKUP:
1555: BIO_printf(bio_c_out, "read X BLOCK\n");
1556: break;
1557: case SSL_ERROR_SYSCALL:
1558: ret = errno;
1559: BIO_printf(bio_err, "read:errno=%d\n", ret);
1560: goto shut;
1561: case SSL_ERROR_ZERO_RETURN:
1562: BIO_printf(bio_c_out, "closed\n");
1563: ret = 0;
1564: goto shut;
1565: case SSL_ERROR_SSL:
1566: ERR_print_errors(bio_err);
1567: goto shut;
1568: /* break; */
1569: }
1.9 deraadt 1570: } else if (pfd[0].revents) {
1571: if (pfd[0].revents & (POLLERR|POLLNVAL)) {
1572: BIO_printf(bio_err, "poll error");
1573: goto shut;
1574: }
1.47 inoguchi 1575: if (s_client_config.crlf) {
1.1 jsing 1576: int j, lf_num;
1577:
1578: i = read(fileno(stdin), cbuf, BUFSIZZ / 2);
1579: lf_num = 0;
1580: /* both loops are skipped when i <= 0 */
1581: for (j = 0; j < i; j++)
1582: if (cbuf[j] == '\n')
1583: lf_num++;
1584: for (j = i - 1; j >= 0; j--) {
1585: cbuf[j + lf_num] = cbuf[j];
1586: if (cbuf[j] == '\n') {
1587: lf_num--;
1588: i++;
1589: cbuf[j + lf_num] = '\r';
1590: }
1591: }
1592: assert(lf_num == 0);
1593: } else
1594: i = read(fileno(stdin), cbuf, BUFSIZZ);
1595:
1.49 inoguchi 1596: if ((!s_client_config.ign_eof) &&
1597: ((i <= 0) || (cbuf[0] == 'Q'))) {
1.1 jsing 1598: BIO_printf(bio_err, "DONE\n");
1599: ret = 0;
1600: goto shut;
1601: }
1.48 inoguchi 1602: if ((!s_client_config.ign_eof) && (cbuf[0] == 'R')) {
1.1 jsing 1603: BIO_printf(bio_err, "RENEGOTIATING\n");
1604: SSL_renegotiate(con);
1605: cbuf_len = 0;
1606: } else {
1607: cbuf_len = i;
1608: cbuf_off = 0;
1609: }
1610:
1611: write_ssl = 1;
1612: read_tty = 0;
1613: }
1614: }
1615:
1616: ret = 0;
1.35 jsing 1617: shut:
1.1 jsing 1618: if (in_init)
1619: print_stuff(bio_c_out, con, full_log);
1620: SSL_shutdown(con);
1621: shutdown(SSL_get_fd(con), SHUT_RD);
1622: close(SSL_get_fd(con));
1.35 jsing 1623: end:
1.1 jsing 1624: if (con != NULL) {
1.47 inoguchi 1625: if (s_client_config.prexit != 0)
1.1 jsing 1626: print_stuff(bio_c_out, con, 1);
1627: SSL_free(con);
1628: }
1.34 jsing 1629: SSL_CTX_free(ctx);
1630: X509_free(cert);
1631: EVP_PKEY_free(key);
1.1 jsing 1632: free(pass);
1.47 inoguchi 1633: X509_VERIFY_PARAM_free(s_client_config.vpm);
1.32 deraadt 1634: freezero(cbuf, BUFSIZZ);
1635: freezero(sbuf, BUFSIZZ);
1.52 tb 1636: freezero(pbuf, BUFSIZZ);
1.32 deraadt 1637: freezero(mbuf, BUFSIZZ);
1.50 inoguchi 1638: BIO_free(bio_c_out);
1.1 jsing 1639:
1640: return (ret);
1641: }
1642:
1643: static void
1.51 inoguchi 1644: print_stuff(BIO *bio, SSL *s, int full)
1.1 jsing 1645: {
1646: X509 *peer = NULL;
1647: char *p;
1648: static const char *space = " ";
1649: char buf[BUFSIZ];
1.51 inoguchi 1650: STACK_OF(X509) *sk;
1651: STACK_OF(X509_NAME) *sk2;
1.1 jsing 1652: const SSL_CIPHER *c;
1653: X509_NAME *xn;
1654: int j, i;
1655: unsigned char *exportedkeymat;
1656:
1657: if (full) {
1658: int got_a_chain = 0;
1659:
1660: sk = SSL_get_peer_cert_chain(s);
1661: if (sk != NULL) {
1662: got_a_chain = 1; /* we don't have it for SSL2
1663: * (yet) */
1664:
1665: BIO_printf(bio, "---\nCertificate chain\n");
1666: for (i = 0; i < sk_X509_num(sk); i++) {
1667: X509_NAME_oneline(X509_get_subject_name(
1668: sk_X509_value(sk, i)), buf, sizeof buf);
1669: BIO_printf(bio, "%2d s:%s\n", i, buf);
1670: X509_NAME_oneline(X509_get_issuer_name(
1671: sk_X509_value(sk, i)), buf, sizeof buf);
1672: BIO_printf(bio, " i:%s\n", buf);
1.48 inoguchi 1673: if (s_client_config.showcerts)
1.49 inoguchi 1674: PEM_write_bio_X509(bio,
1675: sk_X509_value(sk, i));
1.1 jsing 1676: }
1677: }
1678: BIO_printf(bio, "---\n");
1679: peer = SSL_get_peer_certificate(s);
1680: if (peer != NULL) {
1681: BIO_printf(bio, "Server certificate\n");
1.49 inoguchi 1682: if (!(s_client_config.showcerts && got_a_chain)) {
1683: /* Redundant if we showed the whole chain */
1.1 jsing 1684: PEM_write_bio_X509(bio, peer);
1.49 inoguchi 1685: }
1.1 jsing 1686: X509_NAME_oneline(X509_get_subject_name(peer),
1687: buf, sizeof buf);
1688: BIO_printf(bio, "subject=%s\n", buf);
1689: X509_NAME_oneline(X509_get_issuer_name(peer),
1690: buf, sizeof buf);
1691: BIO_printf(bio, "issuer=%s\n", buf);
1692: } else
1693: BIO_printf(bio, "no peer certificate available\n");
1694:
1695: sk2 = SSL_get_client_CA_list(s);
1696: if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
1.49 inoguchi 1697: BIO_printf(bio,
1698: "---\nAcceptable client certificate CA names\n");
1.1 jsing 1699: for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
1700: xn = sk_X509_NAME_value(sk2, i);
1701: X509_NAME_oneline(xn, buf, sizeof(buf));
1702: BIO_write(bio, buf, strlen(buf));
1703: BIO_write(bio, "\n", 1);
1704: }
1705: } else {
1.49 inoguchi 1706: BIO_printf(bio,
1707: "---\nNo client certificate CA names sent\n");
1.1 jsing 1708: }
1709: p = SSL_get_shared_ciphers(s, buf, sizeof buf);
1710: if (p != NULL) {
1711: /*
1712: * This works only for SSL 2. In later protocol
1713: * versions, the client does not know what other
1714: * ciphers (in addition to the one to be used in the
1715: * current connection) the server supports.
1716: */
1717:
1.49 inoguchi 1718: BIO_printf(bio,
1719: "---\nCiphers common between both SSL endpoints:\n");
1.1 jsing 1720: j = i = 0;
1721: while (*p) {
1722: if (*p == ':') {
1723: BIO_write(bio, space, 15 - j % 25);
1724: i++;
1725: j = 0;
1.49 inoguchi 1726: BIO_write(bio,
1727: ((i % 3) ? " " : "\n"), 1);
1.1 jsing 1728: } else {
1729: BIO_write(bio, p, 1);
1730: j++;
1731: }
1732: p++;
1733: }
1734: BIO_write(bio, "\n", 1);
1735: }
1.29 jsing 1736:
1737: ssl_print_tmp_key(bio, s);
1738:
1.49 inoguchi 1739: BIO_printf(bio,
1740: "---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1.1 jsing 1741: BIO_number_read(SSL_get_rbio(s)),
1742: BIO_number_written(SSL_get_wbio(s)));
1743: }
1744: BIO_printf(bio, (SSL_cache_hit(s) ? "---\nReused, " : "---\nNew, "));
1745: c = SSL_get_current_cipher(s);
1746: BIO_printf(bio, "%s, Cipher is %s\n",
1747: SSL_CIPHER_get_version(c),
1748: SSL_CIPHER_get_name(c));
1749: if (peer != NULL) {
1750: EVP_PKEY *pktmp;
1751: pktmp = X509_get_pubkey(peer);
1752: BIO_printf(bio, "Server public key is %d bit\n",
1753: EVP_PKEY_bits(pktmp));
1754: EVP_PKEY_free(pktmp);
1755: }
1756: BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
1757: SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
1758:
1759: /* Compression is not supported and will always be none. */
1760: BIO_printf(bio, "Compression: NONE\n");
1761: BIO_printf(bio, "Expansion: NONE\n");
1762:
1763: #ifdef SSL_DEBUG
1764: {
1765: /* Print out local port of connection: useful for debugging */
1766: int sock;
1767: struct sockaddr_in ladd;
1768: socklen_t ladd_size = sizeof(ladd);
1769: sock = SSL_get_fd(s);
1770: getsockname(sock, (struct sockaddr *) & ladd, &ladd_size);
1.50 inoguchi 1771: BIO_printf(bio, "LOCAL PORT is %u\n",
1.49 inoguchi 1772: ntohs(ladd.sin_port));
1.1 jsing 1773: }
1774: #endif
1775:
1.10 jsing 1776: {
1777: const unsigned char *proto;
1778: unsigned int proto_len;
1779: SSL_get0_alpn_selected(s, &proto, &proto_len);
1780: if (proto_len > 0) {
1781: BIO_printf(bio, "ALPN protocol: ");
1782: BIO_write(bio, proto, proto_len);
1783: BIO_write(bio, "\n", 1);
1784: } else
1785: BIO_printf(bio, "No ALPN negotiated\n");
1786: }
1.1 jsing 1787:
1788: #ifndef OPENSSL_NO_SRTP
1789: {
1.49 inoguchi 1790: SRTP_PROTECTION_PROFILE *srtp_profile;
1.1 jsing 1791:
1.49 inoguchi 1792: srtp_profile = SSL_get_selected_srtp_profile(s);
1.1 jsing 1793: if (srtp_profile)
1.49 inoguchi 1794: BIO_printf(bio,
1795: "SRTP Extension negotiated, profile=%s\n",
1.1 jsing 1796: srtp_profile->name);
1797: }
1798: #endif
1799:
1800: SSL_SESSION_print(bio, SSL_get_session(s));
1.47 inoguchi 1801: if (s_client_config.keymatexportlabel != NULL) {
1.1 jsing 1802: BIO_printf(bio, "Keying material exporter:\n");
1.49 inoguchi 1803: BIO_printf(bio, " Label: '%s'\n",
1804: s_client_config.keymatexportlabel);
1805: BIO_printf(bio, " Length: %i bytes\n",
1806: s_client_config.keymatexportlen);
1.47 inoguchi 1807: exportedkeymat = malloc(s_client_config.keymatexportlen);
1.1 jsing 1808: if (exportedkeymat != NULL) {
1809: if (!SSL_export_keying_material(s, exportedkeymat,
1.47 inoguchi 1810: s_client_config.keymatexportlen,
1811: s_client_config.keymatexportlabel,
1812: strlen(s_client_config.keymatexportlabel),
1.1 jsing 1813: NULL, 0, 0)) {
1814: BIO_printf(bio, " Error\n");
1815: } else {
1816: BIO_printf(bio, " Keying material: ");
1.47 inoguchi 1817: for (i = 0; i < s_client_config.keymatexportlen; i++)
1.1 jsing 1818: BIO_printf(bio, "%02X",
1819: exportedkeymat[i]);
1820: BIO_printf(bio, "\n");
1821: }
1822: free(exportedkeymat);
1823: }
1824: }
1825: BIO_printf(bio, "---\n");
1.34 jsing 1826: X509_free(peer);
1.1 jsing 1827: /* flush, or debugging output gets mixed with http response */
1828: (void) BIO_flush(bio);
1829: }
1830:
1831: static int
1.51 inoguchi 1832: ocsp_resp_cb(SSL *s, void *arg)
1.1 jsing 1833: {
1834: const unsigned char *p;
1835: int len;
1836: OCSP_RESPONSE *rsp;
1837: len = SSL_get_tlsext_status_ocsp_resp(s, &p);
1838: BIO_puts(arg, "OCSP response: ");
1839: if (!p) {
1840: BIO_puts(arg, "no response sent\n");
1841: return 1;
1842: }
1843: rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
1844: if (!rsp) {
1845: BIO_puts(arg, "response parse error\n");
1846: BIO_dump_indent(arg, (char *) p, len, 4);
1847: return 0;
1848: }
1849: BIO_puts(arg, "\n======================================\n");
1850: OCSP_RESPONSE_print(arg, rsp, 0);
1851: BIO_puts(arg, "======================================\n");
1852: OCSP_RESPONSE_free(rsp);
1853: return 1;
1.51 inoguchi 1854: }
1855:
1856: static int
1857: ssl_servername_cb(SSL *s, int *ad, void *arg)
1858: {
1859: tlsextctx *p = (tlsextctx *) arg;
1860: const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
1861: if (SSL_get_servername_type(s) != -1)
1862: p->ack = !SSL_session_reused(s) && hn != NULL;
1863: else
1864: BIO_printf(bio_err, "Can't use SSL_get_servername\n");
1865:
1866: return SSL_TLSEXT_ERR_OK;
1.1 jsing 1867: }
1868:
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