Annotation of src/usr.bin/openssl/s_client.c, Revision 1.57
1.57 ! jsing 1: /* $OpenBSD: s_client.c,v 1.56 2021/10/25 11:47:39 jca 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;
1.57 ! jsing 222: int no_servername;
1.47 inoguchi 223: char *npn_in;
224: unsigned int off;
225: char *passarg;
1.48 inoguchi 226: int pause;
1.47 inoguchi 227: int peekaboo;
228: char *port;
229: int prexit;
230: char *proxy;
1.48 inoguchi 231: int quiet;
1.47 inoguchi 232: int reconnect;
233: char *servername;
234: char *sess_in;
235: char *sess_out;
1.48 inoguchi 236: int showcerts;
1.47 inoguchi 237: int socket_type;
238: long socket_mtu;
239: #ifndef OPENSSL_NO_SRTP
240: char *srtp_profiles;
241: #endif
242: int starttls_proto;
243: int state;
1.48 inoguchi 244: int status_req;
245: int tlsextdebug;
1.47 inoguchi 246: int verify;
247: X509_VERIFY_PARAM *vpm;
248: char *xmpphost;
249: } s_client_config;
250:
251: static int
252: s_client_opt_keymatexportlen(char *arg)
253: {
254: s_client_config.keymatexportlen = strtonum(arg, 1, INT_MAX,
255: &s_client_config.errstr);
256: if (s_client_config.errstr != NULL) {
257: BIO_printf(bio_err, "invalid argument %s: %s\n",
258: arg, s_client_config.errstr);
259: return (1);
260: }
261: return (0);
262: }
263:
1.53 jsing 264: #ifndef OPENSSL_NO_DTLS
1.47 inoguchi 265: static int
266: s_client_opt_mtu(char *arg)
267: {
268: s_client_config.socket_mtu = strtonum(arg, 0, LONG_MAX,
269: &s_client_config.errstr);
270: if (s_client_config.errstr != NULL) {
271: BIO_printf(bio_err, "invalid argument %s: %s\n",
272: arg, s_client_config.errstr);
273: return (1);
274: }
275: return (0);
276: }
277: #endif
278:
279: static int
280: s_client_opt_port(char *arg)
281: {
282: if (*arg == '\0')
283: return (1);
284:
285: s_client_config.port = arg;
286: return (0);
287: }
288:
1.53 jsing 289: #ifndef OPENSSL_NO_DTLS
290: static int
291: s_client_opt_protocol_version_dtls(void)
292: {
293: s_client_config.meth = DTLS_client_method();
294: s_client_config.socket_type = SOCK_DGRAM;
295: return (0);
296: }
297: #endif
298:
1.47 inoguchi 299: #ifndef OPENSSL_NO_DTLS1
300: static int
301: s_client_opt_protocol_version_dtls1(void)
302: {
303: s_client_config.meth = DTLS_client_method();
1.53 jsing 304: s_client_config.min_version = DTLS1_VERSION;
305: s_client_config.max_version = DTLS1_VERSION;
306: s_client_config.socket_type = SOCK_DGRAM;
307: return (0);
308: }
309: #endif
310:
311: #ifndef OPENSSL_NO_DTLS1_2
312: static int
313: s_client_opt_protocol_version_dtls1_2(void)
314: {
315: s_client_config.meth = DTLS_client_method();
316: s_client_config.min_version = DTLS1_2_VERSION;
317: s_client_config.max_version = DTLS1_2_VERSION;
1.47 inoguchi 318: s_client_config.socket_type = SOCK_DGRAM;
319: return (0);
320: }
321: #endif
322:
323: static int
324: s_client_opt_protocol_version_tls1(void)
325: {
326: s_client_config.min_version = TLS1_VERSION;
327: s_client_config.max_version = TLS1_VERSION;
328: return (0);
329: }
330:
331: static int
332: s_client_opt_protocol_version_tls1_1(void)
333: {
334: s_client_config.min_version = TLS1_1_VERSION;
335: s_client_config.max_version = TLS1_1_VERSION;
336: return (0);
337: }
338:
339: static int
340: s_client_opt_protocol_version_tls1_2(void)
341: {
342: s_client_config.min_version = TLS1_2_VERSION;
343: s_client_config.max_version = TLS1_2_VERSION;
344: return (0);
345: }
346:
347: static int
348: s_client_opt_protocol_version_tls1_3(void)
349: {
350: s_client_config.min_version = TLS1_3_VERSION;
351: s_client_config.max_version = TLS1_3_VERSION;
352: return (0);
353: }
354:
355: static int
356: s_client_opt_quiet(void)
357: {
1.48 inoguchi 358: s_client_config.quiet = 1;
359: s_client_config.ign_eof = 1;
1.47 inoguchi 360: return (0);
361: }
362:
363: static int
364: s_client_opt_starttls(char *arg)
365: {
366: if (strcmp(arg, "smtp") == 0)
367: s_client_config.starttls_proto = PROTO_SMTP;
368: else if (strcmp(arg, "lmtp") == 0)
369: s_client_config.starttls_proto = PROTO_LMTP;
370: else if (strcmp(arg, "pop3") == 0)
371: s_client_config.starttls_proto = PROTO_POP3;
372: else if (strcmp(arg, "imap") == 0)
373: s_client_config.starttls_proto = PROTO_IMAP;
374: else if (strcmp(arg, "ftp") == 0)
375: s_client_config.starttls_proto = PROTO_FTP;
376: else if (strcmp(arg, "xmpp") == 0)
377: s_client_config.starttls_proto = PROTO_XMPP;
378: else
379: return (1);
380: return (0);
381: }
382:
383: static int
384: s_client_opt_verify(char *arg)
385: {
386: s_client_config.verify = SSL_VERIFY_PEER;
387:
388: verify_depth = strtonum(arg, 0, INT_MAX, &s_client_config.errstr);
389: if (s_client_config.errstr != NULL) {
390: BIO_printf(bio_err, "invalid argument %s: %s\n",
391: arg, s_client_config.errstr);
392: return (1);
393: }
394: BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
395: return (0);
396: }
397:
398: static int
399: s_client_opt_verify_param(int argc, char **argv, int *argsused)
400: {
401: char **pargs = argv;
402: int pargc = argc;
403: int badarg = 0;
404:
405: if (!args_verify(&pargs, &pargc, &badarg, bio_err,
406: &s_client_config.vpm)) {
407: BIO_printf(bio_err, "unknown option %s\n", *argv);
408: return (1);
409: }
410: if (badarg)
411: return (1);
412:
413: *argsused = argc - pargc;
414: return (0);
415: }
416:
417: static const struct option s_client_options[] = {
418: {
419: .name = "4",
420: .desc = "Use IPv4 only",
421: .type = OPTION_VALUE,
422: .opt.value = &s_client_config.af,
423: .value = AF_INET,
424: },
425: {
426: .name = "6",
427: .desc = "Use IPv6 only",
428: .type = OPTION_VALUE,
429: .opt.value = &s_client_config.af,
430: .value = AF_INET6,
431: },
432: {
433: .name = "alpn",
434: .argname = "protocols",
435: .desc = "Set the advertised protocols for ALPN"
436: " (comma-separated list)",
437: .type = OPTION_ARG,
438: .opt.arg = &s_client_config.alpn_in,
439: },
440: {
441: .name = "bugs",
442: .desc = "Enable various workarounds for buggy implementations",
443: .type = OPTION_FLAG,
444: .opt.flag = &s_client_config.bugs,
445: },
446: {
447: .name = "CAfile",
448: .argname = "file",
449: .desc = "PEM format file of CA certificates",
450: .type = OPTION_ARG,
451: .opt.arg = &s_client_config.CAfile,
452: },
453: {
454: .name = "CApath",
455: .argname = "directory",
456: .desc = "PEM format directory of CA certificates",
457: .type = OPTION_ARG,
458: .opt.arg = &s_client_config.CApath,
459: },
460: {
461: .name = "cert",
462: .argname = "file",
463: .desc = "Certificate file to use, PEM format assumed",
464: .type = OPTION_ARG,
465: .opt.arg = &s_client_config.cert_file,
466: },
467: {
468: .name = "certform",
469: .argname = "fmt",
470: .desc = "Certificate format (PEM or DER) PEM default",
471: .type = OPTION_ARG_FORMAT,
472: .opt.value = &s_client_config.cert_format,
473: },
474: {
475: .name = "cipher",
476: .argname = "cipherlist",
477: .desc = "Preferred cipher to use (see 'openssl ciphers')",
478: .type = OPTION_ARG,
479: .opt.arg = &s_client_config.cipher,
480: },
481: {
482: .name = "connect",
483: .argname = "host:port",
484: .desc = "Who to connect to (default is localhost:4433)",
485: .type = OPTION_ARG,
486: .opt.arg = &s_client_config.connect,
487: },
488: {
489: .name = "crlf",
490: .desc = "Convert LF from terminal into CRLF",
491: .type = OPTION_FLAG,
492: .opt.flag = &s_client_config.crlf,
493: },
494: {
495: .name = "debug",
496: .desc = "Print extensive debugging information",
497: .type = OPTION_FLAG,
1.48 inoguchi 498: .opt.flag = &s_client_config.debug,
1.47 inoguchi 499: },
1.53 jsing 500: #ifndef OPENSSL_NO_DTLS
501: {
502: .name = "dtls",
503: .desc = "Use any version of DTLS",
504: .type = OPTION_FUNC,
505: .opt.func = s_client_opt_protocol_version_dtls,
506: },
507: #endif
1.47 inoguchi 508: #ifndef OPENSSL_NO_DTLS1
509: {
510: .name = "dtls1",
511: .desc = "Just use DTLSv1",
512: .type = OPTION_FUNC,
513: .opt.func = s_client_opt_protocol_version_dtls1,
514: },
515: #endif
1.53 jsing 516: #ifndef OPENSSL_NO_DTLS1_2
517: {
518: .name = "dtls1_2",
519: .desc = "Just use DTLSv1.2",
520: .type = OPTION_FUNC,
521: .opt.func = s_client_opt_protocol_version_dtls1_2,
522: },
523: #endif
1.47 inoguchi 524: {
525: .name = "groups",
526: .argname = "list",
527: .desc = "Specify EC groups (colon-separated list)",
528: .type = OPTION_ARG,
529: .opt.arg = &s_client_config.groups_in,
530: },
531: {
532: .name = "host",
533: .argname = "host",
534: .desc = "Use -connect instead",
535: .type = OPTION_ARG,
536: .opt.arg = &s_client_config.host,
537: },
538: {
539: .name = "ign_eof",
540: .desc = "Ignore input EOF (default when -quiet)",
541: .type = OPTION_VALUE,
1.48 inoguchi 542: .opt.value = &s_client_config.ign_eof,
1.47 inoguchi 543: .value = 1,
544: },
545: {
546: .name = "key",
547: .argname = "file",
548: .desc = "Private key file to use, if not, -cert file is used",
549: .type = OPTION_ARG,
550: .opt.arg = &s_client_config.key_file,
551: },
552: {
553: .name = "keyform",
554: .argname = "fmt",
555: .desc = "Key format (PEM or DER) PEM default",
556: .type = OPTION_ARG_FORMAT,
557: .opt.value = &s_client_config.key_format,
558: },
559: {
560: .name = "keymatexport",
561: .argname = "label",
562: .desc = "Export keying material using label",
563: .type = OPTION_ARG,
564: .opt.arg = &s_client_config.keymatexportlabel,
565: },
566: {
567: .name = "keymatexportlen",
568: .argname = "len",
569: .desc = "Export len bytes of keying material (default 20)",
570: .type = OPTION_ARG_FUNC,
571: .opt.argfunc = s_client_opt_keymatexportlen,
572: },
573: {
574: .name = "legacy_renegotiation",
575: .type = OPTION_DISCARD,
576: },
577: {
578: .name = "legacy_server_connect",
579: .desc = "Allow initial connection to servers that don't support RI",
580: .type = OPTION_VALUE_OR,
581: .opt.value = &s_client_config.off,
582: .value = SSL_OP_LEGACY_SERVER_CONNECT,
583: },
584: {
585: .name = "msg",
586: .desc = "Show all protocol messages with hex dump",
587: .type = OPTION_FLAG,
1.48 inoguchi 588: .opt.flag = &s_client_config.msg,
1.47 inoguchi 589: },
1.53 jsing 590: #ifndef OPENSSL_NO_DTLS
1.47 inoguchi 591: {
592: .name = "mtu",
593: .argname = "mtu",
594: .desc = "Set the link layer MTU on DTLS connections",
595: .type = OPTION_ARG_FUNC,
596: .opt.argfunc = s_client_opt_mtu,
597: },
598: #endif
599: {
600: .name = "nbio",
601: .desc = "Turn on non-blocking I/O",
602: .type = OPTION_FLAG,
1.48 inoguchi 603: .opt.flag = &s_client_config.nbio,
1.47 inoguchi 604: },
605: {
606: .name = "nbio_test",
607: .desc = "Test non-blocking I/O",
608: .type = OPTION_FLAG,
609: .opt.flag = &s_client_config.nbio_test,
610: },
611: {
612: .name = "nextprotoneg",
613: .argname = "protocols",
614: .type = OPTION_ARG,
615: .opt.arg = &s_client_config.npn_in, /* Ignored. */
616: },
617: {
618: .name = "no_comp",
619: .type = OPTION_VALUE_OR,
620: .opt.value = &s_client_config.off,
621: .value = SSL_OP_NO_COMPRESSION,
622: },
623: {
624: .name = "no_ign_eof",
625: .desc = "Don't ignore input EOF",
626: .type = OPTION_VALUE,
1.48 inoguchi 627: .opt.value = &s_client_config.ign_eof,
1.47 inoguchi 628: .value = 0,
629: },
630: {
631: .name = "no_legacy_server_connect",
632: .desc = "Disallow initial connection to servers that don't support RI",
633: .type = OPTION_VALUE_OR,
634: .opt.value = &s_client_config.clr,
635: .value = SSL_OP_LEGACY_SERVER_CONNECT,
636: },
637: {
1.57 ! jsing 638: .name = "no_servername",
! 639: .desc = "Do not send a Server Name Indication (SNI) extension",
! 640: .type = OPTION_FLAG,
! 641: .opt.value = &s_client_config.no_servername,
! 642: },
! 643: {
1.47 inoguchi 644: .name = "no_ssl2",
645: .type = OPTION_VALUE_OR,
646: .opt.value = &s_client_config.off,
647: .value = SSL_OP_NO_SSLv2,
648: },
649: {
650: .name = "no_ssl3",
651: .type = OPTION_VALUE_OR,
652: .opt.value = &s_client_config.off,
653: .value = SSL_OP_NO_SSLv3,
654: },
655: {
656: .name = "no_ticket",
657: .desc = "Disable use of RFC4507 session ticket support",
658: .type = OPTION_VALUE_OR,
659: .opt.value = &s_client_config.off,
660: .value = SSL_OP_NO_TICKET,
661: },
662: {
663: .name = "no_tls1",
664: .desc = "Disable the use of TLSv1",
665: .type = OPTION_VALUE_OR,
666: .opt.value = &s_client_config.off,
667: .value = SSL_OP_NO_TLSv1,
668: },
669: {
670: .name = "no_tls1_1",
671: .desc = "Disable the use of TLSv1.1",
672: .type = OPTION_VALUE_OR,
673: .opt.value = &s_client_config.off,
674: .value = SSL_OP_NO_TLSv1_1,
675: },
676: {
677: .name = "no_tls1_2",
678: .desc = "Disable the use of TLSv1.2",
679: .type = OPTION_VALUE_OR,
680: .opt.value = &s_client_config.off,
681: .value = SSL_OP_NO_TLSv1_2,
682: },
683: {
684: .name = "no_tls1_3",
685: .desc = "Disable the use of TLSv1.3",
686: .type = OPTION_VALUE_OR,
687: .opt.value = &s_client_config.off,
688: .value = SSL_OP_NO_TLSv1_3,
689: },
690: {
1.57 ! jsing 691: .name = "noservername",
! 692: .type = OPTION_FLAG,
! 693: .opt.value = &s_client_config.no_servername,
! 694: },
! 695: {
1.47 inoguchi 696: .name = "pass",
697: .argname = "arg",
698: .desc = "Private key file pass phrase source",
699: .type = OPTION_ARG,
700: .opt.arg = &s_client_config.passarg,
701: },
702: {
703: .name = "pause",
704: .desc = "Pause 1 second between each read and write call",
705: .type = OPTION_FLAG,
1.48 inoguchi 706: .opt.flag = &s_client_config.pause,
1.47 inoguchi 707: },
708: {
709: .name = "peekaboo",
710: .type = OPTION_FLAG,
711: .opt.flag = &s_client_config.peekaboo,
712: },
713: {
714: .name = "port",
715: .argname = "port",
716: .desc = "Use -connect instead",
717: .type = OPTION_ARG_FUNC,
718: .opt.argfunc = s_client_opt_port,
719: },
720: {
721: .name = "prexit",
722: .desc = "Print session information when the program exits",
723: .type = OPTION_FLAG,
724: .opt.flag = &s_client_config.prexit,
725: },
726: {
727: .name = "proxy",
728: .argname = "host:port",
729: .desc = "Connect to http proxy",
730: .type = OPTION_ARG,
731: .opt.arg = &s_client_config.proxy,
732: },
733: {
734: .name = "quiet",
735: .desc = "Inhibit printing of session and certificate info",
736: .type = OPTION_FUNC,
737: .opt.func = s_client_opt_quiet,
738: },
739: {
740: .name = "reconnect",
741: .desc = "Drop and re-make the connection with the same Session-ID",
742: .type = OPTION_VALUE,
743: .opt.value = &s_client_config.reconnect,
744: .value = 5,
745: },
746: {
747: .name = "servername",
748: .argname = "name",
749: .desc = "Set TLS extension servername in ClientHello (SNI)",
750: .type = OPTION_ARG,
751: .opt.arg = &s_client_config.servername,
752: },
753: {
754: .name = "serverpref",
755: .desc = "Use server's cipher preferences",
756: .type = OPTION_VALUE_OR,
757: .opt.value = &s_client_config.off,
758: .value = SSL_OP_CIPHER_SERVER_PREFERENCE,
759: },
760: {
761: .name = "sess_in",
762: .argname = "file",
763: .desc = "File to read TLS session from",
764: .type = OPTION_ARG,
765: .opt.arg = &s_client_config.sess_in,
766: },
767: {
768: .name = "sess_out",
769: .argname = "file",
770: .desc = "File to write TLS session to",
771: .type = OPTION_ARG,
772: .opt.arg = &s_client_config.sess_out,
773: },
774: {
775: .name = "showcerts",
776: .desc = "Show all server certificates in the chain",
777: .type = OPTION_FLAG,
1.48 inoguchi 778: .opt.flag = &s_client_config.showcerts,
1.47 inoguchi 779: },
780: {
781: .name = "starttls",
782: .argname = "protocol",
783: .desc = "Use the STARTTLS command before starting TLS,\n"
784: "smtp, lmtp, pop3, imap, ftp and xmpp are supported.",
785: .type = OPTION_ARG_FUNC,
786: .opt.argfunc = s_client_opt_starttls,
787: },
788: {
789: .name = "state",
790: .desc = "Print the TLS session states",
791: .type = OPTION_FLAG,
792: .opt.flag = &s_client_config.state,
793: },
794: {
795: .name = "status",
796: .desc = "Send a certificate status request to the server (OCSP)",
797: .type = OPTION_FLAG,
1.48 inoguchi 798: .opt.flag = &s_client_config.status_req,
1.47 inoguchi 799: },
1.53 jsing 800: #ifndef OPENSSL_NO_DTLS
1.47 inoguchi 801: {
802: .name = "timeout",
803: .desc = "Enable send/receive timeout on DTLS connections",
804: .type = OPTION_FLAG,
805: .opt.flag = &s_client_config.enable_timeouts,
806: },
807: #endif
808: {
809: .name = "tls1",
810: .desc = "Just use TLSv1",
811: .type = OPTION_FUNC,
812: .opt.func = s_client_opt_protocol_version_tls1,
813: },
814: {
815: .name = "tls1_1",
816: .desc = "Just use TLSv1.1",
817: .type = OPTION_FUNC,
818: .opt.func = s_client_opt_protocol_version_tls1_1,
819: },
820: {
821: .name = "tls1_2",
822: .desc = "Just use TLSv1.2",
823: .type = OPTION_FUNC,
824: .opt.func = s_client_opt_protocol_version_tls1_2,
825: },
826: {
827: .name = "tls1_3",
828: .desc = "Just use TLSv1.3",
829: .type = OPTION_FUNC,
830: .opt.func = s_client_opt_protocol_version_tls1_3,
831: },
832: {
833: .name = "tlsextdebug",
834: .desc = "Hex dump of all TLS extensions received",
835: .type = OPTION_FLAG,
1.48 inoguchi 836: .opt.flag = &s_client_config.tlsextdebug,
1.47 inoguchi 837: },
838: #ifndef OPENSSL_NO_SRTP
839: {
840: .name = "use_srtp",
841: .argname = "profiles",
842: .desc = "Offer SRTP key management with a colon-separated profiles",
843: .type = OPTION_ARG,
844: .opt.arg = &s_client_config.srtp_profiles,
845: },
846: #endif
847: {
848: .name = "verify",
849: .argname = "depth",
850: .desc = "Turn on peer certificate verification, with a max of depth",
851: .type = OPTION_ARG_FUNC,
852: .opt.argfunc = s_client_opt_verify,
853: },
854: {
855: .name = "verify_return_error",
856: .desc = "Return verification error",
857: .type = OPTION_FLAG,
858: .opt.flag = &verify_return_error,
859: },
860: {
861: .name = "xmpphost",
862: .argname = "host",
863: .desc = "Connect to this virtual host on the xmpp server",
864: .type = OPTION_ARG,
865: .opt.arg = &s_client_config.xmpphost,
866: },
867: {
868: .name = NULL,
869: .desc = "",
870: .type = OPTION_ARGV_FUNC,
871: .opt.argvfunc = s_client_opt_verify_param,
872: },
873: { NULL },
874: };
1.1 jsing 875:
876: static void
877: sc_usage(void)
878: {
1.47 inoguchi 879: fprintf(stderr, "usage: s_client "
880: "[-4 | -6] [-alpn protocols] [-bugs] [-CAfile file]\n"
881: " [-CApath directory] [-cert file] [-certform der | pem] [-check_ss_sig]\n"
882: " [-cipher cipherlist] [-connect host[:port]] [-crl_check]\n"
1.53 jsing 883: " [-crl_check_all] [-crlf] [-debug] [-dtls] [-dtls1] [-dtls1_2] [-extended_crl]\n"
1.47 inoguchi 884: " [-groups list] [-host host] [-ign_eof] [-ignore_critical]\n"
885: " [-issuer_checks] [-key keyfile] [-keyform der | pem]\n"
886: " [-keymatexport label] [-keymatexportlen len] [-legacy_server_connect]\n"
887: " [-msg] [-mtu mtu] [-nbio] [-nbio_test] [-no_comp] [-no_ign_eof]\n"
888: " [-no_legacy_server_connect] [-no_ticket] [-no_tls1] [-no_tls1_1]\n"
889: " [-no_tls1_2] [-no_tls1_3] [-pass arg] [-pause] [-policy_check]\n"
890: " [-port port] [-prexit] [-proxy host:port] [-quiet] [-reconnect]\n"
891: " [-servername name] [-serverpref] [-sess_in file] [-sess_out file]\n"
892: " [-showcerts] [-starttls protocol] [-state] [-status] [-timeout]\n"
893: " [-tls1] [-tls1_1] [-tls1_2] [-tls1_3] [-tlsextdebug]\n"
894: " [-use_srtp profiles] [-verify depth] [-verify_return_error]\n"
895: " [-x509_strict] [-xmpphost host]\n");
896: fprintf(stderr, "\n");
897: options_usage(s_client_options);
898: fprintf(stderr, "\n");
1.1 jsing 899: }
900:
901: int
902: s_client_main(int argc, char **argv)
903: {
904: SSL *con = NULL;
1.47 inoguchi 905: int s, k, p = 0, pending = 0;
1.39 beck 906: char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL, *pbuf = NULL;
1.1 jsing 907: int cbuf_len, cbuf_off;
908: int sbuf_len, sbuf_off;
909: int full_log = 1;
1.57 ! jsing 910: const char *servername;
1.47 inoguchi 911: char *pass = NULL;
1.1 jsing 912: X509 *cert = NULL;
913: EVP_PKEY *key = NULL;
1.47 inoguchi 914: int badop = 0;
1.1 jsing 915: int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
916: SSL_CTX *ctx = NULL;
1.47 inoguchi 917: int ret = 1, in_init = 1, i;
1.50 inoguchi 918: BIO *bio_c_out = NULL;
1.1 jsing 919: BIO *sbio;
920: int mbuf_len = 0;
1.9 deraadt 921: struct timeval timeout;
1.33 jsing 922: tlsextctx tlsextcbp = {NULL, 0};
1.45 deraadt 923: struct sockaddr_storage peer;
1.1 jsing 924: int peerlen = sizeof(peer);
1.21 doug 925:
926: if (single_execution) {
1.30 deraadt 927: if (pledge("stdio cpath wpath rpath inet dns tty", NULL) == -1) {
1.21 doug 928: perror("pledge");
1.23 doug 929: exit(1);
930: }
1.21 doug 931: }
1.1 jsing 932:
1.47 inoguchi 933: memset(&s_client_config, 0, sizeof(s_client_config));
934: s_client_config.af = AF_UNSPEC;
935: s_client_config.cert_format = FORMAT_PEM;
936: s_client_config.host = SSL_HOST_NAME;
937: s_client_config.key_format = FORMAT_PEM;
938: s_client_config.keymatexportlen = 20;
939: s_client_config.meth = TLS_client_method();
940: s_client_config.port = PORT_STR;
941: s_client_config.socket_type = SOCK_STREAM;
942: s_client_config.starttls_proto = PROTO_OFF;
943: s_client_config.verify = SSL_VERIFY_NONE;
1.1 jsing 944:
945: if (((cbuf = malloc(BUFSIZZ)) == NULL) ||
946: ((sbuf = malloc(BUFSIZZ)) == NULL) ||
1.39 beck 947: ((pbuf = malloc(BUFSIZZ)) == NULL) ||
1.1 jsing 948: ((mbuf = malloc(BUFSIZZ + 1)) == NULL)) { /* NUL byte */
949: BIO_printf(bio_err, "out of memory\n");
950: goto end;
951: }
952: verify_depth = 0;
953:
1.47 inoguchi 954: if (options_parse(argc, argv, s_client_options, NULL, NULL) != 0) {
955: badop = 1;
956: goto bad;
1.1 jsing 957: }
1.47 inoguchi 958: if (s_client_config.proxy != NULL) {
1.49 inoguchi 959: if (!extract_host_port(s_client_config.proxy,
960: &s_client_config.host, NULL, &s_client_config.port))
1.12 bluhm 961: goto bad;
1.47 inoguchi 962: if (s_client_config.connect == NULL)
963: s_client_config.connect = SSL_HOST_NAME;
964: } else if (s_client_config.connect != NULL) {
1.49 inoguchi 965: if (!extract_host_port(s_client_config.connect,
966: &s_client_config.host, NULL, &s_client_config.port))
1.12 bluhm 967: goto bad;
968: }
1.1 jsing 969: if (badop) {
1.35 jsing 970: bad:
1.47 inoguchi 971: if (s_client_config.errstr == NULL)
1.1 jsing 972: sc_usage();
973: goto end;
974: }
975:
1.47 inoguchi 976: if (!app_passwd(bio_err, s_client_config.passarg, NULL, &pass, NULL)) {
1.1 jsing 977: BIO_printf(bio_err, "Error getting password\n");
978: goto end;
979: }
1.47 inoguchi 980: if (s_client_config.key_file == NULL)
981: s_client_config.key_file = s_client_config.cert_file;
1.1 jsing 982:
983:
1.47 inoguchi 984: if (s_client_config.key_file) {
1.1 jsing 985:
1.49 inoguchi 986: key = load_key(bio_err, s_client_config.key_file,
987: s_client_config.key_format, 0, pass,
1.1 jsing 988: "client certificate private key file");
989: if (!key) {
990: ERR_print_errors(bio_err);
991: goto end;
992: }
993: }
1.47 inoguchi 994: if (s_client_config.cert_file) {
1.49 inoguchi 995: cert = load_cert(bio_err, s_client_config.cert_file,
996: s_client_config.cert_format,
1.19 bcook 997: NULL, "client certificate file");
1.1 jsing 998:
999: if (!cert) {
1000: ERR_print_errors(bio_err);
1001: goto end;
1002: }
1003: }
1.50 inoguchi 1004: if (s_client_config.quiet && !s_client_config.debug &&
1005: !s_client_config.msg) {
1006: if ((bio_c_out = BIO_new(BIO_s_null())) == NULL)
1007: goto end;
1008: } else {
1009: if ((bio_c_out = BIO_new_fp(stdout, BIO_NOCLOSE)) == NULL)
1010: goto end;
1.1 jsing 1011: }
1012:
1.47 inoguchi 1013: ctx = SSL_CTX_new(s_client_config.meth);
1.1 jsing 1014: if (ctx == NULL) {
1015: ERR_print_errors(bio_err);
1016: goto end;
1017: }
1.46 tb 1018:
1019: SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1020:
1.47 inoguchi 1021: if (s_client_config.vpm)
1022: SSL_CTX_set1_param(ctx, s_client_config.vpm);
1.42 jsing 1023:
1.47 inoguchi 1024: if (!SSL_CTX_set_min_proto_version(ctx, s_client_config.min_version))
1.42 jsing 1025: goto end;
1.47 inoguchi 1026: if (!SSL_CTX_set_max_proto_version(ctx, s_client_config.max_version))
1.42 jsing 1027: goto end;
1.1 jsing 1028:
1029: #ifndef OPENSSL_NO_SRTP
1.47 inoguchi 1030: if (s_client_config.srtp_profiles != NULL)
1031: SSL_CTX_set_tlsext_use_srtp(ctx, s_client_config.srtp_profiles);
1.1 jsing 1032: #endif
1.47 inoguchi 1033: if (s_client_config.bugs)
1034: SSL_CTX_set_options(ctx, SSL_OP_ALL | s_client_config.off);
1.1 jsing 1035: else
1.47 inoguchi 1036: SSL_CTX_set_options(ctx, s_client_config.off);
1.1 jsing 1037:
1.47 inoguchi 1038: if (s_client_config.clr)
1039: SSL_CTX_clear_options(ctx, s_client_config.clr);
1.1 jsing 1040:
1.47 inoguchi 1041: if (s_client_config.alpn_in) {
1.10 jsing 1042: unsigned short alpn_len;
1.49 inoguchi 1043: unsigned char *alpn;
1.10 jsing 1044:
1.49 inoguchi 1045: alpn = next_protos_parse(&alpn_len, s_client_config.alpn_in);
1.10 jsing 1046: if (alpn == NULL) {
1047: BIO_printf(bio_err, "Error parsing -alpn argument\n");
1048: goto end;
1049: }
1050: SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
1051: free(alpn);
1.31 jsing 1052: }
1.47 inoguchi 1053: if (s_client_config.groups_in != NULL) {
1054: if (SSL_CTX_set1_groups_list(ctx, s_client_config.groups_in) != 1) {
1.31 jsing 1055: BIO_printf(bio_err, "Failed to set groups '%s'\n",
1.47 inoguchi 1056: s_client_config.groups_in);
1.31 jsing 1057: goto end;
1058: }
1.10 jsing 1059: }
1.1 jsing 1060:
1.47 inoguchi 1061: if (s_client_config.state)
1.1 jsing 1062: SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1.47 inoguchi 1063: if (s_client_config.cipher != NULL)
1064: if (!SSL_CTX_set_cipher_list(ctx, s_client_config.cipher)) {
1.1 jsing 1065: BIO_printf(bio_err, "error setting cipher list\n");
1066: ERR_print_errors(bio_err);
1067: goto end;
1068: }
1069:
1.47 inoguchi 1070: SSL_CTX_set_verify(ctx, s_client_config.verify, verify_callback);
1.1 jsing 1071: if (!set_cert_key_stuff(ctx, cert, key))
1072: goto end;
1073:
1.47 inoguchi 1074: if ((s_client_config.CAfile || s_client_config.CApath)
1.49 inoguchi 1075: && !SSL_CTX_load_verify_locations(ctx, s_client_config.CAfile,
1076: s_client_config.CApath))
1.1 jsing 1077: ERR_print_errors(bio_err);
1.28 bcook 1078:
1079: if (!SSL_CTX_set_default_verify_paths(ctx))
1080: ERR_print_errors(bio_err);
1081:
1.1 jsing 1082: con = SSL_new(ctx);
1.47 inoguchi 1083: if (s_client_config.sess_in) {
1.1 jsing 1084: SSL_SESSION *sess;
1.47 inoguchi 1085: BIO *stmp = BIO_new_file(s_client_config.sess_in, "r");
1.1 jsing 1086: if (!stmp) {
1087: BIO_printf(bio_err, "Can't open session file %s\n",
1.47 inoguchi 1088: s_client_config.sess_in);
1.1 jsing 1089: ERR_print_errors(bio_err);
1090: goto end;
1091: }
1092: sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1093: BIO_free(stmp);
1094: if (!sess) {
1095: BIO_printf(bio_err, "Can't open session file %s\n",
1.47 inoguchi 1096: s_client_config.sess_in);
1.1 jsing 1097: ERR_print_errors(bio_err);
1098: goto end;
1099: }
1100: SSL_set_session(con, sess);
1101: SSL_SESSION_free(sess);
1102: }
1.57 ! jsing 1103:
! 1104: /* Attempt to opportunistically use the host name for SNI. */
! 1105: servername = s_client_config.servername;
! 1106: if (servername == NULL)
! 1107: servername = s_client_config.host;
! 1108:
! 1109: if (!s_client_config.no_servername && servername != NULL &&
! 1110: !SSL_set_tlsext_host_name(con, servername)) {
! 1111: long ssl_err = ERR_peek_error();
! 1112:
! 1113: if (s_client_config.servername != NULL ||
! 1114: ERR_GET_LIB(ssl_err) != ERR_LIB_SSL ||
! 1115: ERR_GET_REASON(ssl_err) != SSL_R_SSL3_EXT_INVALID_SERVERNAME) {
1.49 inoguchi 1116: BIO_printf(bio_err,
1117: "Unable to set TLS servername extension.\n");
1.1 jsing 1118: ERR_print_errors(bio_err);
1119: goto end;
1120: }
1.57 ! jsing 1121: servername = NULL;
! 1122: ERR_clear_error();
! 1123: }
! 1124: if (!s_client_config.no_servername && servername != NULL) {
! 1125: tlsextcbp.biodebug = bio_err;
! 1126: SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
! 1127: SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1.1 jsing 1128: }
1129:
1.49 inoguchi 1130: re_start:
1.1 jsing 1131:
1.49 inoguchi 1132: if (init_client(&s, s_client_config.host, s_client_config.port,
1133: s_client_config.socket_type, s_client_config.af) == 0) {
1.1 jsing 1134: BIO_printf(bio_err, "connect:errno=%d\n", errno);
1135: goto end;
1136: }
1137: BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1138:
1.48 inoguchi 1139: if (s_client_config.nbio) {
1140: if (!s_client_config.quiet)
1.3 bcook 1141: BIO_printf(bio_c_out, "turning on non blocking io\n");
1142: if (!BIO_socket_nbio(s, 1)) {
1.1 jsing 1143: ERR_print_errors(bio_err);
1144: goto end;
1145: }
1146: }
1.48 inoguchi 1147: if (s_client_config.pause & 0x01)
1.1 jsing 1148: SSL_set_debug(con, 1);
1149:
1.53 jsing 1150: if (SSL_is_dtls(con)) {
1.1 jsing 1151: sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1.45 deraadt 1152: if (getsockname(s, (struct sockaddr *)&peer,
1153: (void *)&peerlen) == -1) {
1.1 jsing 1154: BIO_printf(bio_err, "getsockname:errno=%d\n",
1155: errno);
1156: shutdown(s, SHUT_RD);
1157: close(s);
1158: goto end;
1159: }
1160: (void) BIO_ctrl_set_connected(sbio, 1, &peer);
1161:
1.47 inoguchi 1162: if (s_client_config.enable_timeouts) {
1.1 jsing 1163: timeout.tv_sec = 0;
1164: timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1.49 inoguchi 1165: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0,
1166: &timeout);
1.1 jsing 1167:
1168: timeout.tv_sec = 0;
1169: timeout.tv_usec = DGRAM_SND_TIMEOUT;
1.49 inoguchi 1170: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0,
1171: &timeout);
1.1 jsing 1172: }
1.47 inoguchi 1173: if (s_client_config.socket_mtu > 28) {
1.1 jsing 1174: SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1.47 inoguchi 1175: SSL_set_mtu(con, s_client_config.socket_mtu - 28);
1.1 jsing 1176: } else
1177: /* want to do MTU discovery */
1178: BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1179: } else
1180: sbio = BIO_new_socket(s, BIO_NOCLOSE);
1181:
1.47 inoguchi 1182: if (s_client_config.nbio_test) {
1.1 jsing 1183: BIO *test;
1184:
1185: test = BIO_new(BIO_f_nbio_test());
1186: sbio = BIO_push(test, sbio);
1187: }
1.48 inoguchi 1188: if (s_client_config.debug) {
1.1 jsing 1189: SSL_set_debug(con, 1);
1190: BIO_set_callback(sbio, bio_dump_callback);
1191: BIO_set_callback_arg(sbio, (char *) bio_c_out);
1192: }
1.48 inoguchi 1193: if (s_client_config.msg) {
1.1 jsing 1194: SSL_set_msg_callback(con, msg_cb);
1195: SSL_set_msg_callback_arg(con, bio_c_out);
1196: }
1.48 inoguchi 1197: if (s_client_config.tlsextdebug) {
1.1 jsing 1198: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1199: SSL_set_tlsext_debug_arg(con, bio_c_out);
1200: }
1.48 inoguchi 1201: if (s_client_config.status_req) {
1.1 jsing 1202: SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1203: SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1204: SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1205: }
1206:
1207: SSL_set_bio(con, sbio, sbio);
1208: SSL_set_connect_state(con);
1209:
1210: /* ok, lets connect */
1211: read_tty = 1;
1212: write_tty = 0;
1213: tty_on = 0;
1214: read_ssl = 1;
1215: write_ssl = 1;
1216:
1217: cbuf_len = 0;
1218: cbuf_off = 0;
1219: sbuf_len = 0;
1220: sbuf_off = 0;
1221:
1222: /* This is an ugly hack that does a lot of assumptions */
1223: /*
1224: * We do have to handle multi-line responses which may come in a
1225: * single packet or not. We therefore have to use BIO_gets() which
1226: * does need a buffering BIO. So during the initial chitchat we do
1227: * push a buffering BIO into the chain that is removed again later on
1228: * to not disturb the rest of the s_client operation.
1229: */
1.49 inoguchi 1230: if (s_client_config.starttls_proto == PROTO_SMTP ||
1231: s_client_config.starttls_proto == PROTO_LMTP) {
1.1 jsing 1232: int foundit = 0;
1233: BIO *fbio = BIO_new(BIO_f_buffer());
1234: BIO_push(fbio, sbio);
1235: /* wait for multi-line response to end from SMTP */
1236: do {
1237: mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1238: }
1239: while (mbuf_len > 3 && mbuf[3] == '-');
1240: /* STARTTLS command requires EHLO... */
1241: BIO_printf(fbio, "%cHLO openssl.client.net\r\n",
1.49 inoguchi 1242: s_client_config.starttls_proto == PROTO_SMTP ? 'E' : 'L');
1.1 jsing 1243: (void) BIO_flush(fbio);
1244: /* wait for multi-line response to end EHLO SMTP response */
1245: do {
1246: mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1247: if (strstr(mbuf, "STARTTLS"))
1248: foundit = 1;
1249: }
1250: while (mbuf_len > 3 && mbuf[3] == '-');
1251: (void) BIO_flush(fbio);
1252: BIO_pop(fbio);
1253: BIO_free(fbio);
1254: if (!foundit)
1255: BIO_printf(bio_err,
1.36 jmc 1256: "didn't find starttls in server response,"
1.1 jsing 1257: " try anyway...\n");
1258: BIO_printf(sbio, "STARTTLS\r\n");
1259: BIO_read(sbio, sbuf, BUFSIZZ);
1.47 inoguchi 1260: } else if (s_client_config.starttls_proto == PROTO_POP3) {
1.1 jsing 1261: mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
1262: if (mbuf_len == -1) {
1263: BIO_printf(bio_err, "BIO_read failed\n");
1264: goto end;
1265: }
1266: BIO_printf(sbio, "STLS\r\n");
1267: BIO_read(sbio, sbuf, BUFSIZZ);
1.47 inoguchi 1268: } else if (s_client_config.starttls_proto == PROTO_IMAP) {
1.1 jsing 1269: int foundit = 0;
1270: BIO *fbio = BIO_new(BIO_f_buffer());
1271: BIO_push(fbio, sbio);
1272: BIO_gets(fbio, mbuf, BUFSIZZ);
1273: /* STARTTLS command requires CAPABILITY... */
1274: BIO_printf(fbio, ". CAPABILITY\r\n");
1275: (void) BIO_flush(fbio);
1276: /* wait for multi-line CAPABILITY response */
1277: do {
1278: mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1279: if (strstr(mbuf, "STARTTLS"))
1280: foundit = 1;
1281: }
1282: while (mbuf_len > 3 && mbuf[0] != '.');
1283: (void) BIO_flush(fbio);
1284: BIO_pop(fbio);
1285: BIO_free(fbio);
1286: if (!foundit)
1287: BIO_printf(bio_err,
1.37 tb 1288: "didn't find STARTTLS in server response,"
1.1 jsing 1289: " try anyway...\n");
1290: BIO_printf(sbio, ". STARTTLS\r\n");
1291: BIO_read(sbio, sbuf, BUFSIZZ);
1.47 inoguchi 1292: } else if (s_client_config.starttls_proto == PROTO_FTP) {
1.1 jsing 1293: BIO *fbio = BIO_new(BIO_f_buffer());
1294: BIO_push(fbio, sbio);
1295: /* wait for multi-line response to end from FTP */
1296: do {
1297: mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1298: }
1299: while (mbuf_len > 3 && mbuf[3] == '-');
1300: (void) BIO_flush(fbio);
1301: BIO_pop(fbio);
1302: BIO_free(fbio);
1303: BIO_printf(sbio, "AUTH TLS\r\n");
1304: BIO_read(sbio, sbuf, BUFSIZZ);
1.47 inoguchi 1305: } else if (s_client_config.starttls_proto == PROTO_XMPP) {
1.1 jsing 1306: int seen = 0;
1307: BIO_printf(sbio, "<stream:stream "
1308: "xmlns:stream='http://etherx.jabber.org/streams' "
1.49 inoguchi 1309: "xmlns='jabber:client' to='%s' version='1.0'>",
1310: s_client_config.xmpphost ?
1311: s_client_config.xmpphost : s_client_config.host);
1.1 jsing 1312: seen = BIO_read(sbio, mbuf, BUFSIZZ);
1.15 landry 1313:
1314: if (seen <= 0)
1315: goto shut;
1316:
1.1 jsing 1317: mbuf[seen] = 0;
1.15 landry 1318: while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'") &&
1319: !strstr(mbuf, "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\"")) {
1320: seen = BIO_read(sbio, mbuf, BUFSIZZ);
1321:
1322: if (seen <= 0)
1.1 jsing 1323: goto shut;
1.15 landry 1324:
1.1 jsing 1325: mbuf[seen] = 0;
1326: }
1.49 inoguchi 1327: BIO_printf(sbio,
1328: "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1.1 jsing 1329: seen = BIO_read(sbio, sbuf, BUFSIZZ);
1330: sbuf[seen] = 0;
1331: if (!strstr(sbuf, "<proceed"))
1332: goto shut;
1333: mbuf[0] = 0;
1.47 inoguchi 1334: } else if (s_client_config.proxy != NULL) {
1.49 inoguchi 1335: BIO_printf(sbio, "CONNECT %s HTTP/1.0\r\n\r\n",
1336: s_client_config.connect);
1.12 bluhm 1337: mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
1338: if (mbuf_len == -1) {
1339: BIO_printf(bio_err, "BIO_read failed\n");
1340: goto end;
1341: }
1.1 jsing 1342: }
1343: for (;;) {
1.9 deraadt 1344: struct pollfd pfd[3]; /* stdin, stdout, socket */
1345: int ptimeout = -1;
1.1 jsing 1346:
1.53 jsing 1347: if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
1.49 inoguchi 1348: ptimeout = timeout.tv_sec * 1000 +
1349: timeout.tv_usec / 1000;
1.1 jsing 1350:
1351: if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
1352: in_init = 1;
1353: tty_on = 0;
1354: } else {
1355: tty_on = 1;
1356: if (in_init) {
1357: in_init = 0;
1.47 inoguchi 1358: if (s_client_config.sess_out) {
1.49 inoguchi 1359: BIO *stmp = BIO_new_file(
1360: s_client_config.sess_out, "w");
1.1 jsing 1361: if (stmp) {
1.49 inoguchi 1362: PEM_write_bio_SSL_SESSION(stmp,
1363: SSL_get_session(con));
1.1 jsing 1364: BIO_free(stmp);
1365: } else
1.49 inoguchi 1366: BIO_printf(bio_err,
1367: "Error writing session file %s\n",
1368: s_client_config.sess_out);
1.1 jsing 1369: }
1370: print_stuff(bio_c_out, con, full_log);
1371: if (full_log > 0)
1372: full_log--;
1373:
1.47 inoguchi 1374: if (s_client_config.starttls_proto) {
1.1 jsing 1375: BIO_write(bio_err, mbuf, mbuf_len);
1376: /* We don't need to know any more */
1.47 inoguchi 1377: s_client_config.starttls_proto = PROTO_OFF;
1.1 jsing 1378: }
1.47 inoguchi 1379: if (s_client_config.reconnect) {
1380: s_client_config.reconnect--;
1.49 inoguchi 1381: BIO_printf(bio_c_out,
1382: "drop connection and then reconnect\n");
1.1 jsing 1383: SSL_shutdown(con);
1384: SSL_set_connect_state(con);
1385: shutdown(SSL_get_fd(con), SHUT_RD);
1386: close(SSL_get_fd(con));
1387: goto re_start;
1388: }
1389: }
1390: }
1391:
1392: ssl_pending = read_ssl && SSL_pending(con);
1393:
1.9 deraadt 1394: pfd[0].fd = -1;
1395: pfd[1].fd = -1;
1.1 jsing 1396: if (!ssl_pending) {
1397: if (tty_on) {
1.9 deraadt 1398: if (read_tty) {
1399: pfd[0].fd = fileno(stdin);
1400: pfd[0].events = POLLIN;
1401: }
1402: if (write_tty) {
1403: pfd[1].fd = fileno(stdout);
1404: pfd[1].events = POLLOUT;
1405: }
1.1 jsing 1406: }
1.9 deraadt 1407:
1408: pfd[2].fd = SSL_get_fd(con);
1409: pfd[2].events = 0;
1.1 jsing 1410: if (read_ssl)
1.9 deraadt 1411: pfd[2].events |= POLLIN;
1.1 jsing 1412: if (write_ssl)
1.9 deraadt 1413: pfd[2].events |= POLLOUT;
1414:
1.1 jsing 1415: /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1416: tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1417:
1.9 deraadt 1418: i = poll(pfd, 3, ptimeout);
1.38 deraadt 1419: if (i == -1) {
1.1 jsing 1420: BIO_printf(bio_err, "bad select %d\n",
1421: errno);
1422: goto shut;
1423: /* goto end; */
1424: }
1425: }
1.53 jsing 1426: if (SSL_is_dtls(con) &&
1427: DTLSv1_handle_timeout(con) > 0)
1.1 jsing 1428: BIO_printf(bio_err, "TIMEOUT occured\n");
1.49 inoguchi 1429: if (!ssl_pending &&
1430: (pfd[2].revents & (POLLOUT|POLLERR|POLLNVAL))) {
1.9 deraadt 1431: if (pfd[2].revents & (POLLERR|POLLNVAL)) {
1432: BIO_printf(bio_err, "poll error");
1433: goto shut;
1434: }
1.1 jsing 1435: k = SSL_write(con, &(cbuf[cbuf_off]),
1436: (unsigned int) cbuf_len);
1437: switch (SSL_get_error(con, k)) {
1438: case SSL_ERROR_NONE:
1439: cbuf_off += k;
1440: cbuf_len -= k;
1441: if (k <= 0)
1442: goto end;
1443: /* we have done a write(con,NULL,0); */
1444: if (cbuf_len <= 0) {
1445: read_tty = 1;
1446: write_ssl = 0;
1447: } else { /* if (cbuf_len > 0) */
1448: read_tty = 0;
1449: write_ssl = 1;
1450: }
1451: break;
1452: case SSL_ERROR_WANT_WRITE:
1453: BIO_printf(bio_c_out, "write W BLOCK\n");
1454: write_ssl = 1;
1455: read_tty = 0;
1456: break;
1457: case SSL_ERROR_WANT_READ:
1458: BIO_printf(bio_c_out, "write R BLOCK\n");
1459: write_tty = 0;
1460: read_ssl = 1;
1461: write_ssl = 0;
1462: break;
1463: case SSL_ERROR_WANT_X509_LOOKUP:
1464: BIO_printf(bio_c_out, "write X BLOCK\n");
1465: break;
1466: case SSL_ERROR_ZERO_RETURN:
1467: if (cbuf_len != 0) {
1468: BIO_printf(bio_c_out, "shutdown\n");
1469: ret = 0;
1470: goto shut;
1471: } else {
1472: read_tty = 1;
1473: write_ssl = 0;
1474: break;
1475: }
1476:
1477: case SSL_ERROR_SYSCALL:
1478: if ((k != 0) || (cbuf_len != 0)) {
1479: BIO_printf(bio_err, "write:errno=%d\n",
1480: errno);
1481: goto shut;
1482: } else {
1483: read_tty = 1;
1484: write_ssl = 0;
1485: }
1486: break;
1487: case SSL_ERROR_SSL:
1488: ERR_print_errors(bio_err);
1489: goto shut;
1490: }
1.9 deraadt 1491: } else if (!ssl_pending &&
1492: (pfd[1].revents & (POLLOUT|POLLERR|POLLNVAL))) {
1493: if (pfd[1].revents & (POLLERR|POLLNVAL)) {
1494: BIO_printf(bio_err, "poll error");
1495: goto shut;
1496: }
1.1 jsing 1497: i = write(fileno(stdout), &(sbuf[sbuf_off]), sbuf_len);
1498:
1499: if (i <= 0) {
1500: BIO_printf(bio_c_out, "DONE\n");
1501: ret = 0;
1502: goto shut;
1503: /* goto end; */
1504: }
1505: sbuf_len -= i;
1506: sbuf_off += i;
1507: if (sbuf_len <= 0) {
1508: read_ssl = 1;
1509: write_tty = 0;
1510: }
1.9 deraadt 1511: } else if (ssl_pending || (pfd[2].revents & (POLLIN|POLLHUP))) {
1.1 jsing 1512: #ifdef RENEG
1513: {
1514: static int iiii;
1515: if (++iiii == 52) {
1516: SSL_renegotiate(con);
1517: iiii = 0;
1518: }
1519: }
1520: #endif
1.47 inoguchi 1521: if (s_client_config.peekaboo) {
1.40 jsing 1522: k = p = SSL_peek(con, pbuf, 1024 /* BUFSIZZ */ );
1.41 beck 1523: pending = SSL_pending(con);
1.40 jsing 1524: if (SSL_get_error(con, p) == SSL_ERROR_NONE) {
1.39 beck 1525: if (p <= 0)
1526: goto end;
1527:
1.40 jsing 1528: k = SSL_read(con, sbuf, p);
1.39 beck 1529: }
1.40 jsing 1530: } else {
1531: k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
1.39 beck 1532: }
1.1 jsing 1533:
1534: switch (SSL_get_error(con, k)) {
1535: case SSL_ERROR_NONE:
1536: if (k <= 0)
1537: goto end;
1538: sbuf_off = 0;
1539: sbuf_len = k;
1.47 inoguchi 1540: if (s_client_config.peekaboo) {
1.41 beck 1541: if (p != pending) {
1542: ret = -1;
1543: BIO_printf(bio_err,
1.49 inoguchi 1544: "peeked %d but pending %d!\n",
1545: p, pending);
1.41 beck 1546: goto shut;
1547: }
1.39 beck 1548: if (k < p) {
1549: ret = -1;
1550: BIO_printf(bio_err,
1551: "read less than peek!\n");
1552: goto shut;
1553: }
1.49 inoguchi 1554: if (p > 0 &&
1555: (memcmp(sbuf, pbuf, p) != 0)) {
1.39 beck 1556: ret = -1;
1557: BIO_printf(bio_err,
1558: "peek of %d different from read of %d!\n",
1559: p, k);
1560: goto shut;
1561: }
1562: }
1.1 jsing 1563: read_ssl = 0;
1564: write_tty = 1;
1565: break;
1566: case SSL_ERROR_WANT_WRITE:
1567: BIO_printf(bio_c_out, "read W BLOCK\n");
1568: write_ssl = 1;
1569: read_tty = 0;
1570: break;
1571: case SSL_ERROR_WANT_READ:
1572: BIO_printf(bio_c_out, "read R BLOCK\n");
1573: write_tty = 0;
1574: read_ssl = 1;
1575: if ((read_tty == 0) && (write_ssl == 0))
1576: write_ssl = 1;
1577: break;
1578: case SSL_ERROR_WANT_X509_LOOKUP:
1579: BIO_printf(bio_c_out, "read X BLOCK\n");
1580: break;
1581: case SSL_ERROR_SYSCALL:
1582: ret = errno;
1583: BIO_printf(bio_err, "read:errno=%d\n", ret);
1584: goto shut;
1585: case SSL_ERROR_ZERO_RETURN:
1586: BIO_printf(bio_c_out, "closed\n");
1587: ret = 0;
1588: goto shut;
1589: case SSL_ERROR_SSL:
1590: ERR_print_errors(bio_err);
1591: goto shut;
1592: /* break; */
1593: }
1.9 deraadt 1594: } else if (pfd[0].revents) {
1595: if (pfd[0].revents & (POLLERR|POLLNVAL)) {
1596: BIO_printf(bio_err, "poll error");
1597: goto shut;
1598: }
1.47 inoguchi 1599: if (s_client_config.crlf) {
1.1 jsing 1600: int j, lf_num;
1601:
1602: i = read(fileno(stdin), cbuf, BUFSIZZ / 2);
1603: lf_num = 0;
1604: /* both loops are skipped when i <= 0 */
1605: for (j = 0; j < i; j++)
1606: if (cbuf[j] == '\n')
1607: lf_num++;
1608: for (j = i - 1; j >= 0; j--) {
1609: cbuf[j + lf_num] = cbuf[j];
1610: if (cbuf[j] == '\n') {
1611: lf_num--;
1612: i++;
1613: cbuf[j + lf_num] = '\r';
1614: }
1615: }
1616: assert(lf_num == 0);
1617: } else
1618: i = read(fileno(stdin), cbuf, BUFSIZZ);
1619:
1.49 inoguchi 1620: if ((!s_client_config.ign_eof) &&
1621: ((i <= 0) || (cbuf[0] == 'Q'))) {
1.1 jsing 1622: BIO_printf(bio_err, "DONE\n");
1623: ret = 0;
1624: goto shut;
1625: }
1.48 inoguchi 1626: if ((!s_client_config.ign_eof) && (cbuf[0] == 'R')) {
1.1 jsing 1627: BIO_printf(bio_err, "RENEGOTIATING\n");
1628: SSL_renegotiate(con);
1629: cbuf_len = 0;
1630: } else {
1631: cbuf_len = i;
1632: cbuf_off = 0;
1633: }
1634:
1635: write_ssl = 1;
1636: read_tty = 0;
1637: }
1638: }
1639:
1640: ret = 0;
1.35 jsing 1641: shut:
1.1 jsing 1642: if (in_init)
1643: print_stuff(bio_c_out, con, full_log);
1644: SSL_shutdown(con);
1645: shutdown(SSL_get_fd(con), SHUT_RD);
1646: close(SSL_get_fd(con));
1.35 jsing 1647: end:
1.1 jsing 1648: if (con != NULL) {
1.47 inoguchi 1649: if (s_client_config.prexit != 0)
1.1 jsing 1650: print_stuff(bio_c_out, con, 1);
1651: SSL_free(con);
1652: }
1.34 jsing 1653: SSL_CTX_free(ctx);
1654: X509_free(cert);
1655: EVP_PKEY_free(key);
1.1 jsing 1656: free(pass);
1.47 inoguchi 1657: X509_VERIFY_PARAM_free(s_client_config.vpm);
1.32 deraadt 1658: freezero(cbuf, BUFSIZZ);
1659: freezero(sbuf, BUFSIZZ);
1.52 tb 1660: freezero(pbuf, BUFSIZZ);
1.32 deraadt 1661: freezero(mbuf, BUFSIZZ);
1.50 inoguchi 1662: BIO_free(bio_c_out);
1.1 jsing 1663:
1664: return (ret);
1665: }
1666:
1667: static void
1.51 inoguchi 1668: print_stuff(BIO *bio, SSL *s, int full)
1.1 jsing 1669: {
1670: X509 *peer = NULL;
1671: char *p;
1672: static const char *space = " ";
1673: char buf[BUFSIZ];
1.51 inoguchi 1674: STACK_OF(X509) *sk;
1675: STACK_OF(X509_NAME) *sk2;
1.1 jsing 1676: const SSL_CIPHER *c;
1677: X509_NAME *xn;
1678: int j, i;
1679: unsigned char *exportedkeymat;
1680:
1681: if (full) {
1682: int got_a_chain = 0;
1683:
1684: sk = SSL_get_peer_cert_chain(s);
1685: if (sk != NULL) {
1686: got_a_chain = 1; /* we don't have it for SSL2
1687: * (yet) */
1688:
1689: BIO_printf(bio, "---\nCertificate chain\n");
1690: for (i = 0; i < sk_X509_num(sk); i++) {
1691: X509_NAME_oneline(X509_get_subject_name(
1692: sk_X509_value(sk, i)), buf, sizeof buf);
1693: BIO_printf(bio, "%2d s:%s\n", i, buf);
1694: X509_NAME_oneline(X509_get_issuer_name(
1695: sk_X509_value(sk, i)), buf, sizeof buf);
1696: BIO_printf(bio, " i:%s\n", buf);
1.48 inoguchi 1697: if (s_client_config.showcerts)
1.49 inoguchi 1698: PEM_write_bio_X509(bio,
1699: sk_X509_value(sk, i));
1.1 jsing 1700: }
1701: }
1702: BIO_printf(bio, "---\n");
1703: peer = SSL_get_peer_certificate(s);
1704: if (peer != NULL) {
1705: BIO_printf(bio, "Server certificate\n");
1.49 inoguchi 1706: if (!(s_client_config.showcerts && got_a_chain)) {
1707: /* Redundant if we showed the whole chain */
1.1 jsing 1708: PEM_write_bio_X509(bio, peer);
1.49 inoguchi 1709: }
1.1 jsing 1710: X509_NAME_oneline(X509_get_subject_name(peer),
1711: buf, sizeof buf);
1712: BIO_printf(bio, "subject=%s\n", buf);
1713: X509_NAME_oneline(X509_get_issuer_name(peer),
1714: buf, sizeof buf);
1715: BIO_printf(bio, "issuer=%s\n", buf);
1716: } else
1717: BIO_printf(bio, "no peer certificate available\n");
1718:
1719: sk2 = SSL_get_client_CA_list(s);
1720: if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
1.49 inoguchi 1721: BIO_printf(bio,
1722: "---\nAcceptable client certificate CA names\n");
1.1 jsing 1723: for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
1724: xn = sk_X509_NAME_value(sk2, i);
1725: X509_NAME_oneline(xn, buf, sizeof(buf));
1726: BIO_write(bio, buf, strlen(buf));
1727: BIO_write(bio, "\n", 1);
1728: }
1729: } else {
1.49 inoguchi 1730: BIO_printf(bio,
1731: "---\nNo client certificate CA names sent\n");
1.1 jsing 1732: }
1733: p = SSL_get_shared_ciphers(s, buf, sizeof buf);
1734: if (p != NULL) {
1735: /*
1736: * This works only for SSL 2. In later protocol
1737: * versions, the client does not know what other
1738: * ciphers (in addition to the one to be used in the
1739: * current connection) the server supports.
1740: */
1741:
1.49 inoguchi 1742: BIO_printf(bio,
1743: "---\nCiphers common between both SSL endpoints:\n");
1.1 jsing 1744: j = i = 0;
1745: while (*p) {
1746: if (*p == ':') {
1747: BIO_write(bio, space, 15 - j % 25);
1748: i++;
1749: j = 0;
1.49 inoguchi 1750: BIO_write(bio,
1751: ((i % 3) ? " " : "\n"), 1);
1.1 jsing 1752: } else {
1753: BIO_write(bio, p, 1);
1754: j++;
1755: }
1756: p++;
1757: }
1758: BIO_write(bio, "\n", 1);
1759: }
1.29 jsing 1760:
1761: ssl_print_tmp_key(bio, s);
1762:
1.49 inoguchi 1763: BIO_printf(bio,
1764: "---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1.1 jsing 1765: BIO_number_read(SSL_get_rbio(s)),
1766: BIO_number_written(SSL_get_wbio(s)));
1767: }
1768: BIO_printf(bio, (SSL_cache_hit(s) ? "---\nReused, " : "---\nNew, "));
1769: c = SSL_get_current_cipher(s);
1770: BIO_printf(bio, "%s, Cipher is %s\n",
1771: SSL_CIPHER_get_version(c),
1772: SSL_CIPHER_get_name(c));
1773: if (peer != NULL) {
1774: EVP_PKEY *pktmp;
1775: pktmp = X509_get_pubkey(peer);
1776: BIO_printf(bio, "Server public key is %d bit\n",
1777: EVP_PKEY_bits(pktmp));
1778: EVP_PKEY_free(pktmp);
1779: }
1780: BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
1781: SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
1782:
1783: /* Compression is not supported and will always be none. */
1784: BIO_printf(bio, "Compression: NONE\n");
1785: BIO_printf(bio, "Expansion: NONE\n");
1786:
1787: #ifdef SSL_DEBUG
1788: {
1789: /* Print out local port of connection: useful for debugging */
1790: int sock;
1791: struct sockaddr_in ladd;
1792: socklen_t ladd_size = sizeof(ladd);
1793: sock = SSL_get_fd(s);
1794: getsockname(sock, (struct sockaddr *) & ladd, &ladd_size);
1.50 inoguchi 1795: BIO_printf(bio, "LOCAL PORT is %u\n",
1.49 inoguchi 1796: ntohs(ladd.sin_port));
1.1 jsing 1797: }
1798: #endif
1799:
1.10 jsing 1800: {
1801: const unsigned char *proto;
1802: unsigned int proto_len;
1803: SSL_get0_alpn_selected(s, &proto, &proto_len);
1804: if (proto_len > 0) {
1805: BIO_printf(bio, "ALPN protocol: ");
1806: BIO_write(bio, proto, proto_len);
1807: BIO_write(bio, "\n", 1);
1808: } else
1809: BIO_printf(bio, "No ALPN negotiated\n");
1810: }
1.1 jsing 1811:
1812: #ifndef OPENSSL_NO_SRTP
1813: {
1.49 inoguchi 1814: SRTP_PROTECTION_PROFILE *srtp_profile;
1.1 jsing 1815:
1.49 inoguchi 1816: srtp_profile = SSL_get_selected_srtp_profile(s);
1.1 jsing 1817: if (srtp_profile)
1.49 inoguchi 1818: BIO_printf(bio,
1819: "SRTP Extension negotiated, profile=%s\n",
1.1 jsing 1820: srtp_profile->name);
1821: }
1822: #endif
1823:
1824: SSL_SESSION_print(bio, SSL_get_session(s));
1.47 inoguchi 1825: if (s_client_config.keymatexportlabel != NULL) {
1.1 jsing 1826: BIO_printf(bio, "Keying material exporter:\n");
1.49 inoguchi 1827: BIO_printf(bio, " Label: '%s'\n",
1828: s_client_config.keymatexportlabel);
1829: BIO_printf(bio, " Length: %i bytes\n",
1830: s_client_config.keymatexportlen);
1.47 inoguchi 1831: exportedkeymat = malloc(s_client_config.keymatexportlen);
1.1 jsing 1832: if (exportedkeymat != NULL) {
1833: if (!SSL_export_keying_material(s, exportedkeymat,
1.47 inoguchi 1834: s_client_config.keymatexportlen,
1835: s_client_config.keymatexportlabel,
1836: strlen(s_client_config.keymatexportlabel),
1.1 jsing 1837: NULL, 0, 0)) {
1838: BIO_printf(bio, " Error\n");
1839: } else {
1840: BIO_printf(bio, " Keying material: ");
1.47 inoguchi 1841: for (i = 0; i < s_client_config.keymatexportlen; i++)
1.1 jsing 1842: BIO_printf(bio, "%02X",
1843: exportedkeymat[i]);
1844: BIO_printf(bio, "\n");
1845: }
1846: free(exportedkeymat);
1847: }
1848: }
1849: BIO_printf(bio, "---\n");
1.34 jsing 1850: X509_free(peer);
1.1 jsing 1851: /* flush, or debugging output gets mixed with http response */
1852: (void) BIO_flush(bio);
1853: }
1854:
1855: static int
1.51 inoguchi 1856: ocsp_resp_cb(SSL *s, void *arg)
1.1 jsing 1857: {
1858: const unsigned char *p;
1859: int len;
1860: OCSP_RESPONSE *rsp;
1861: len = SSL_get_tlsext_status_ocsp_resp(s, &p);
1862: BIO_puts(arg, "OCSP response: ");
1863: if (!p) {
1864: BIO_puts(arg, "no response sent\n");
1865: return 1;
1866: }
1867: rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
1868: if (!rsp) {
1869: BIO_puts(arg, "response parse error\n");
1870: BIO_dump_indent(arg, (char *) p, len, 4);
1871: return 0;
1872: }
1873: BIO_puts(arg, "\n======================================\n");
1874: OCSP_RESPONSE_print(arg, rsp, 0);
1875: BIO_puts(arg, "======================================\n");
1876: OCSP_RESPONSE_free(rsp);
1877: return 1;
1.51 inoguchi 1878: }
1879:
1880: static int
1881: ssl_servername_cb(SSL *s, int *ad, void *arg)
1882: {
1883: tlsextctx *p = (tlsextctx *) arg;
1884: const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
1885: if (SSL_get_servername_type(s) != -1)
1886: p->ack = !SSL_session_reused(s) && hn != NULL;
1887: else
1888: BIO_printf(bio_err, "Can't use SSL_get_servername\n");
1889:
1890: return SSL_TLSEXT_ERR_OK;
1.1 jsing 1891: }
1892:
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