Annotation of src/usr.bin/openssl/s_client.c, Revision 1.63
1.63 ! tb 1: /* $OpenBSD: s_client.c,v 1.62 2023/07/03 08:03:56 beck 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;
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;
1.60 tb 248: } cfg;
1.47 inoguchi 249:
250: static int
251: s_client_opt_keymatexportlen(char *arg)
252: {
1.60 tb 253: cfg.keymatexportlen = strtonum(arg, 1, INT_MAX,
254: &cfg.errstr);
255: if (cfg.errstr != NULL) {
1.47 inoguchi 256: BIO_printf(bio_err, "invalid argument %s: %s\n",
1.60 tb 257: arg, cfg.errstr);
1.47 inoguchi 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: {
1.60 tb 267: cfg.socket_mtu = strtonum(arg, 0, LONG_MAX,
268: &cfg.errstr);
269: if (cfg.errstr != NULL) {
1.47 inoguchi 270: BIO_printf(bio_err, "invalid argument %s: %s\n",
1.60 tb 271: arg, cfg.errstr);
1.47 inoguchi 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:
1.60 tb 284: cfg.port = arg;
1.47 inoguchi 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: {
1.60 tb 292: cfg.meth = DTLS_client_method();
293: cfg.socket_type = SOCK_DGRAM;
1.53 jsing 294: return (0);
295: }
296: #endif
297:
298: #ifndef OPENSSL_NO_DTLS1_2
299: static int
300: s_client_opt_protocol_version_dtls1_2(void)
301: {
1.60 tb 302: cfg.meth = DTLS_client_method();
303: cfg.min_version = DTLS1_2_VERSION;
304: cfg.max_version = DTLS1_2_VERSION;
305: cfg.socket_type = SOCK_DGRAM;
1.47 inoguchi 306: return (0);
307: }
308: #endif
309:
310: static int
311: s_client_opt_protocol_version_tls1_2(void)
312: {
1.60 tb 313: cfg.min_version = TLS1_2_VERSION;
314: cfg.max_version = TLS1_2_VERSION;
1.47 inoguchi 315: return (0);
316: }
317:
318: static int
319: s_client_opt_protocol_version_tls1_3(void)
320: {
1.60 tb 321: cfg.min_version = TLS1_3_VERSION;
322: cfg.max_version = TLS1_3_VERSION;
1.47 inoguchi 323: return (0);
324: }
325:
326: static int
327: s_client_opt_quiet(void)
328: {
1.60 tb 329: cfg.quiet = 1;
330: cfg.ign_eof = 1;
1.47 inoguchi 331: return (0);
332: }
333:
334: static int
335: s_client_opt_starttls(char *arg)
336: {
337: if (strcmp(arg, "smtp") == 0)
1.60 tb 338: cfg.starttls_proto = PROTO_SMTP;
1.47 inoguchi 339: else if (strcmp(arg, "lmtp") == 0)
1.60 tb 340: cfg.starttls_proto = PROTO_LMTP;
1.47 inoguchi 341: else if (strcmp(arg, "pop3") == 0)
1.60 tb 342: cfg.starttls_proto = PROTO_POP3;
1.47 inoguchi 343: else if (strcmp(arg, "imap") == 0)
1.60 tb 344: cfg.starttls_proto = PROTO_IMAP;
1.47 inoguchi 345: else if (strcmp(arg, "ftp") == 0)
1.60 tb 346: cfg.starttls_proto = PROTO_FTP;
1.47 inoguchi 347: else if (strcmp(arg, "xmpp") == 0)
1.60 tb 348: cfg.starttls_proto = PROTO_XMPP;
1.47 inoguchi 349: else
350: return (1);
351: return (0);
352: }
353:
354: static int
355: s_client_opt_verify(char *arg)
356: {
1.60 tb 357: cfg.verify = SSL_VERIFY_PEER;
1.47 inoguchi 358:
1.60 tb 359: verify_depth = strtonum(arg, 0, INT_MAX, &cfg.errstr);
360: if (cfg.errstr != NULL) {
1.47 inoguchi 361: BIO_printf(bio_err, "invalid argument %s: %s\n",
1.60 tb 362: arg, cfg.errstr);
1.47 inoguchi 363: return (1);
364: }
365: BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
366: return (0);
367: }
368:
369: static int
370: s_client_opt_verify_param(int argc, char **argv, int *argsused)
371: {
372: char **pargs = argv;
373: int pargc = argc;
374: int badarg = 0;
375:
376: if (!args_verify(&pargs, &pargc, &badarg, bio_err,
1.60 tb 377: &cfg.vpm)) {
1.47 inoguchi 378: BIO_printf(bio_err, "unknown option %s\n", *argv);
379: return (1);
380: }
381: if (badarg)
382: return (1);
383:
384: *argsused = argc - pargc;
385: return (0);
386: }
387:
388: static const struct option s_client_options[] = {
389: {
390: .name = "4",
391: .desc = "Use IPv4 only",
392: .type = OPTION_VALUE,
1.60 tb 393: .opt.value = &cfg.af,
1.47 inoguchi 394: .value = AF_INET,
395: },
396: {
397: .name = "6",
398: .desc = "Use IPv6 only",
399: .type = OPTION_VALUE,
1.60 tb 400: .opt.value = &cfg.af,
1.47 inoguchi 401: .value = AF_INET6,
402: },
403: {
404: .name = "alpn",
405: .argname = "protocols",
406: .desc = "Set the advertised protocols for ALPN"
407: " (comma-separated list)",
408: .type = OPTION_ARG,
1.60 tb 409: .opt.arg = &cfg.alpn_in,
1.47 inoguchi 410: },
411: {
412: .name = "bugs",
413: .desc = "Enable various workarounds for buggy implementations",
414: .type = OPTION_FLAG,
1.60 tb 415: .opt.flag = &cfg.bugs,
1.47 inoguchi 416: },
417: {
418: .name = "CAfile",
419: .argname = "file",
420: .desc = "PEM format file of CA certificates",
421: .type = OPTION_ARG,
1.60 tb 422: .opt.arg = &cfg.CAfile,
1.47 inoguchi 423: },
424: {
425: .name = "CApath",
426: .argname = "directory",
427: .desc = "PEM format directory of CA certificates",
428: .type = OPTION_ARG,
1.60 tb 429: .opt.arg = &cfg.CApath,
1.47 inoguchi 430: },
431: {
432: .name = "cert",
433: .argname = "file",
434: .desc = "Certificate file to use, PEM format assumed",
435: .type = OPTION_ARG,
1.60 tb 436: .opt.arg = &cfg.cert_file,
1.47 inoguchi 437: },
438: {
439: .name = "certform",
440: .argname = "fmt",
441: .desc = "Certificate format (PEM or DER) PEM default",
442: .type = OPTION_ARG_FORMAT,
1.60 tb 443: .opt.value = &cfg.cert_format,
1.47 inoguchi 444: },
445: {
446: .name = "cipher",
447: .argname = "cipherlist",
448: .desc = "Preferred cipher to use (see 'openssl ciphers')",
449: .type = OPTION_ARG,
1.60 tb 450: .opt.arg = &cfg.cipher,
1.47 inoguchi 451: },
452: {
453: .name = "connect",
454: .argname = "host:port",
455: .desc = "Who to connect to (default is localhost:4433)",
456: .type = OPTION_ARG,
1.60 tb 457: .opt.arg = &cfg.connect,
1.47 inoguchi 458: },
459: {
460: .name = "crlf",
461: .desc = "Convert LF from terminal into CRLF",
462: .type = OPTION_FLAG,
1.60 tb 463: .opt.flag = &cfg.crlf,
1.47 inoguchi 464: },
465: {
466: .name = "debug",
467: .desc = "Print extensive debugging information",
468: .type = OPTION_FLAG,
1.60 tb 469: .opt.flag = &cfg.debug,
1.47 inoguchi 470: },
1.53 jsing 471: #ifndef OPENSSL_NO_DTLS
472: {
473: .name = "dtls",
474: .desc = "Use any version of DTLS",
475: .type = OPTION_FUNC,
476: .opt.func = s_client_opt_protocol_version_dtls,
477: },
478: #endif
479: #ifndef OPENSSL_NO_DTLS1_2
480: {
481: .name = "dtls1_2",
482: .desc = "Just use DTLSv1.2",
483: .type = OPTION_FUNC,
484: .opt.func = s_client_opt_protocol_version_dtls1_2,
485: },
486: #endif
1.47 inoguchi 487: {
488: .name = "groups",
489: .argname = "list",
490: .desc = "Specify EC groups (colon-separated list)",
491: .type = OPTION_ARG,
1.60 tb 492: .opt.arg = &cfg.groups_in,
1.47 inoguchi 493: },
494: {
495: .name = "host",
496: .argname = "host",
497: .desc = "Use -connect instead",
498: .type = OPTION_ARG,
1.60 tb 499: .opt.arg = &cfg.host,
1.47 inoguchi 500: },
501: {
502: .name = "ign_eof",
503: .desc = "Ignore input EOF (default when -quiet)",
504: .type = OPTION_VALUE,
1.60 tb 505: .opt.value = &cfg.ign_eof,
1.47 inoguchi 506: .value = 1,
507: },
508: {
509: .name = "key",
510: .argname = "file",
511: .desc = "Private key file to use, if not, -cert file is used",
512: .type = OPTION_ARG,
1.60 tb 513: .opt.arg = &cfg.key_file,
1.47 inoguchi 514: },
515: {
516: .name = "keyform",
517: .argname = "fmt",
518: .desc = "Key format (PEM or DER) PEM default",
519: .type = OPTION_ARG_FORMAT,
1.60 tb 520: .opt.value = &cfg.key_format,
1.47 inoguchi 521: },
522: {
523: .name = "keymatexport",
524: .argname = "label",
525: .desc = "Export keying material using label",
526: .type = OPTION_ARG,
1.60 tb 527: .opt.arg = &cfg.keymatexportlabel,
1.47 inoguchi 528: },
529: {
530: .name = "keymatexportlen",
531: .argname = "len",
532: .desc = "Export len bytes of keying material (default 20)",
533: .type = OPTION_ARG_FUNC,
534: .opt.argfunc = s_client_opt_keymatexportlen,
535: },
536: {
537: .name = "legacy_renegotiation",
538: .type = OPTION_DISCARD,
539: },
540: {
541: .name = "legacy_server_connect",
542: .desc = "Allow initial connection to servers that don't support RI",
543: .type = OPTION_VALUE_OR,
1.60 tb 544: .opt.value = &cfg.off,
1.47 inoguchi 545: .value = SSL_OP_LEGACY_SERVER_CONNECT,
546: },
547: {
548: .name = "msg",
549: .desc = "Show all protocol messages with hex dump",
550: .type = OPTION_FLAG,
1.60 tb 551: .opt.flag = &cfg.msg,
1.47 inoguchi 552: },
1.53 jsing 553: #ifndef OPENSSL_NO_DTLS
1.47 inoguchi 554: {
555: .name = "mtu",
556: .argname = "mtu",
557: .desc = "Set the link layer MTU on DTLS connections",
558: .type = OPTION_ARG_FUNC,
559: .opt.argfunc = s_client_opt_mtu,
560: },
561: #endif
562: {
563: .name = "nbio",
564: .desc = "Turn on non-blocking I/O",
565: .type = OPTION_FLAG,
1.60 tb 566: .opt.flag = &cfg.nbio,
1.47 inoguchi 567: },
568: {
569: .name = "nbio_test",
570: .desc = "Test non-blocking I/O",
571: .type = OPTION_FLAG,
1.60 tb 572: .opt.flag = &cfg.nbio_test,
1.47 inoguchi 573: },
574: {
575: .name = "nextprotoneg",
576: .argname = "protocols",
577: .type = OPTION_ARG,
1.60 tb 578: .opt.arg = &cfg.npn_in, /* Ignored. */
1.47 inoguchi 579: },
580: {
581: .name = "no_comp",
582: .type = OPTION_VALUE_OR,
1.60 tb 583: .opt.value = &cfg.off,
1.47 inoguchi 584: .value = SSL_OP_NO_COMPRESSION,
585: },
586: {
587: .name = "no_ign_eof",
588: .desc = "Don't ignore input EOF",
589: .type = OPTION_VALUE,
1.60 tb 590: .opt.value = &cfg.ign_eof,
1.47 inoguchi 591: .value = 0,
592: },
593: {
594: .name = "no_legacy_server_connect",
595: .desc = "Disallow initial connection to servers that don't support RI",
596: .type = OPTION_VALUE_OR,
1.60 tb 597: .opt.value = &cfg.clr,
1.47 inoguchi 598: .value = SSL_OP_LEGACY_SERVER_CONNECT,
599: },
600: {
1.57 jsing 601: .name = "no_servername",
602: .desc = "Do not send a Server Name Indication (SNI) extension",
603: .type = OPTION_FLAG,
1.60 tb 604: .opt.value = &cfg.no_servername,
1.57 jsing 605: },
606: {
1.47 inoguchi 607: .name = "no_ssl2",
608: .type = OPTION_VALUE_OR,
1.60 tb 609: .opt.value = &cfg.off,
1.47 inoguchi 610: .value = SSL_OP_NO_SSLv2,
611: },
612: {
613: .name = "no_ssl3",
614: .type = OPTION_VALUE_OR,
1.60 tb 615: .opt.value = &cfg.off,
1.47 inoguchi 616: .value = SSL_OP_NO_SSLv3,
617: },
618: {
619: .name = "no_ticket",
620: .desc = "Disable use of RFC4507 session ticket support",
621: .type = OPTION_VALUE_OR,
1.60 tb 622: .opt.value = &cfg.off,
1.47 inoguchi 623: .value = SSL_OP_NO_TICKET,
1.62 beck 624: },
625: {
626: .name = "no_tls1",
627: .type = OPTION_DISCARD,
628: },
629: {
630: .name = "no_tls1_1",
631: .type = OPTION_DISCARD,
1.47 inoguchi 632: },
633: {
634: .name = "no_tls1_2",
635: .desc = "Disable the use of TLSv1.2",
636: .type = OPTION_VALUE_OR,
1.60 tb 637: .opt.value = &cfg.off,
1.47 inoguchi 638: .value = SSL_OP_NO_TLSv1_2,
639: },
640: {
641: .name = "no_tls1_3",
642: .desc = "Disable the use of TLSv1.3",
643: .type = OPTION_VALUE_OR,
1.60 tb 644: .opt.value = &cfg.off,
1.47 inoguchi 645: .value = SSL_OP_NO_TLSv1_3,
646: },
647: {
1.57 jsing 648: .name = "noservername",
649: .type = OPTION_FLAG,
1.60 tb 650: .opt.value = &cfg.no_servername,
1.57 jsing 651: },
652: {
1.47 inoguchi 653: .name = "pass",
654: .argname = "arg",
655: .desc = "Private key file pass phrase source",
656: .type = OPTION_ARG,
1.60 tb 657: .opt.arg = &cfg.passarg,
1.47 inoguchi 658: },
659: {
660: .name = "pause",
1.63 ! tb 661: .type = OPTION_DISCARD,
1.47 inoguchi 662: },
663: {
664: .name = "peekaboo",
665: .type = OPTION_FLAG,
1.60 tb 666: .opt.flag = &cfg.peekaboo,
1.47 inoguchi 667: },
668: {
669: .name = "port",
670: .argname = "port",
671: .desc = "Use -connect instead",
672: .type = OPTION_ARG_FUNC,
673: .opt.argfunc = s_client_opt_port,
674: },
675: {
676: .name = "prexit",
677: .desc = "Print session information when the program exits",
678: .type = OPTION_FLAG,
1.60 tb 679: .opt.flag = &cfg.prexit,
1.47 inoguchi 680: },
681: {
682: .name = "proxy",
683: .argname = "host:port",
684: .desc = "Connect to http proxy",
685: .type = OPTION_ARG,
1.60 tb 686: .opt.arg = &cfg.proxy,
1.47 inoguchi 687: },
688: {
689: .name = "quiet",
690: .desc = "Inhibit printing of session and certificate info",
691: .type = OPTION_FUNC,
692: .opt.func = s_client_opt_quiet,
693: },
694: {
695: .name = "reconnect",
696: .desc = "Drop and re-make the connection with the same Session-ID",
697: .type = OPTION_VALUE,
1.60 tb 698: .opt.value = &cfg.reconnect,
1.47 inoguchi 699: .value = 5,
700: },
701: {
702: .name = "servername",
703: .argname = "name",
704: .desc = "Set TLS extension servername in ClientHello (SNI)",
705: .type = OPTION_ARG,
1.60 tb 706: .opt.arg = &cfg.servername,
1.47 inoguchi 707: },
708: {
709: .name = "serverpref",
710: .desc = "Use server's cipher preferences",
711: .type = OPTION_VALUE_OR,
1.60 tb 712: .opt.value = &cfg.off,
1.47 inoguchi 713: .value = SSL_OP_CIPHER_SERVER_PREFERENCE,
714: },
715: {
716: .name = "sess_in",
717: .argname = "file",
718: .desc = "File to read TLS session from",
719: .type = OPTION_ARG,
1.60 tb 720: .opt.arg = &cfg.sess_in,
1.47 inoguchi 721: },
722: {
723: .name = "sess_out",
724: .argname = "file",
725: .desc = "File to write TLS session to",
726: .type = OPTION_ARG,
1.60 tb 727: .opt.arg = &cfg.sess_out,
1.47 inoguchi 728: },
729: {
730: .name = "showcerts",
731: .desc = "Show all server certificates in the chain",
732: .type = OPTION_FLAG,
1.60 tb 733: .opt.flag = &cfg.showcerts,
1.47 inoguchi 734: },
735: {
736: .name = "starttls",
737: .argname = "protocol",
738: .desc = "Use the STARTTLS command before starting TLS,\n"
739: "smtp, lmtp, pop3, imap, ftp and xmpp are supported.",
740: .type = OPTION_ARG_FUNC,
741: .opt.argfunc = s_client_opt_starttls,
742: },
743: {
744: .name = "state",
745: .desc = "Print the TLS session states",
746: .type = OPTION_FLAG,
1.60 tb 747: .opt.flag = &cfg.state,
1.47 inoguchi 748: },
749: {
750: .name = "status",
751: .desc = "Send a certificate status request to the server (OCSP)",
752: .type = OPTION_FLAG,
1.60 tb 753: .opt.flag = &cfg.status_req,
1.47 inoguchi 754: },
1.53 jsing 755: #ifndef OPENSSL_NO_DTLS
1.47 inoguchi 756: {
757: .name = "timeout",
758: .desc = "Enable send/receive timeout on DTLS connections",
759: .type = OPTION_FLAG,
1.60 tb 760: .opt.flag = &cfg.enable_timeouts,
1.47 inoguchi 761: },
762: #endif
763: {
764: .name = "tls1_2",
765: .desc = "Just use TLSv1.2",
766: .type = OPTION_FUNC,
767: .opt.func = s_client_opt_protocol_version_tls1_2,
768: },
769: {
770: .name = "tls1_3",
771: .desc = "Just use TLSv1.3",
772: .type = OPTION_FUNC,
773: .opt.func = s_client_opt_protocol_version_tls1_3,
774: },
775: {
776: .name = "tlsextdebug",
777: .desc = "Hex dump of all TLS extensions received",
778: .type = OPTION_FLAG,
1.60 tb 779: .opt.flag = &cfg.tlsextdebug,
1.47 inoguchi 780: },
781: #ifndef OPENSSL_NO_SRTP
782: {
783: .name = "use_srtp",
784: .argname = "profiles",
785: .desc = "Offer SRTP key management with a colon-separated profiles",
786: .type = OPTION_ARG,
1.60 tb 787: .opt.arg = &cfg.srtp_profiles,
1.47 inoguchi 788: },
789: #endif
790: {
791: .name = "verify",
792: .argname = "depth",
793: .desc = "Turn on peer certificate verification, with a max of depth",
794: .type = OPTION_ARG_FUNC,
795: .opt.argfunc = s_client_opt_verify,
796: },
797: {
798: .name = "verify_return_error",
799: .desc = "Return verification error",
800: .type = OPTION_FLAG,
801: .opt.flag = &verify_return_error,
802: },
803: {
804: .name = "xmpphost",
805: .argname = "host",
806: .desc = "Connect to this virtual host on the xmpp server",
807: .type = OPTION_ARG,
1.60 tb 808: .opt.arg = &cfg.xmpphost,
1.47 inoguchi 809: },
810: {
811: .name = NULL,
812: .desc = "",
813: .type = OPTION_ARGV_FUNC,
814: .opt.argvfunc = s_client_opt_verify_param,
815: },
816: { NULL },
817: };
1.1 jsing 818:
819: static void
820: sc_usage(void)
821: {
1.47 inoguchi 822: fprintf(stderr, "usage: s_client "
823: "[-4 | -6] [-alpn protocols] [-bugs] [-CAfile file]\n"
824: " [-CApath directory] [-cert file] [-certform der | pem] [-check_ss_sig]\n"
825: " [-cipher cipherlist] [-connect host[:port]] [-crl_check]\n"
1.61 beck 826: " [-crl_check_all] [-crlf] [-debug] [-dtls] [-dtls1_2] [-extended_crl]\n"
1.47 inoguchi 827: " [-groups list] [-host host] [-ign_eof] [-ignore_critical]\n"
828: " [-issuer_checks] [-key keyfile] [-keyform der | pem]\n"
829: " [-keymatexport label] [-keymatexportlen len] [-legacy_server_connect]\n"
830: " [-msg] [-mtu mtu] [-nbio] [-nbio_test] [-no_comp] [-no_ign_eof]\n"
1.61 beck 831: " [-no_legacy_server_connect] [-no_ticket] \n"
1.63 ! tb 832: " [-no_tls1_2] [-no_tls1_3] [-pass arg] [-policy_check]\n"
1.47 inoguchi 833: " [-port port] [-prexit] [-proxy host:port] [-quiet] [-reconnect]\n"
834: " [-servername name] [-serverpref] [-sess_in file] [-sess_out file]\n"
835: " [-showcerts] [-starttls protocol] [-state] [-status] [-timeout]\n"
1.61 beck 836: " [-tls1_2] [-tls1_3] [-tlsextdebug]\n"
1.47 inoguchi 837: " [-use_srtp profiles] [-verify depth] [-verify_return_error]\n"
838: " [-x509_strict] [-xmpphost host]\n");
839: fprintf(stderr, "\n");
840: options_usage(s_client_options);
841: fprintf(stderr, "\n");
1.1 jsing 842: }
843:
844: int
845: s_client_main(int argc, char **argv)
846: {
847: SSL *con = NULL;
1.47 inoguchi 848: int s, k, p = 0, pending = 0;
1.39 beck 849: char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL, *pbuf = NULL;
1.1 jsing 850: int cbuf_len, cbuf_off;
851: int sbuf_len, sbuf_off;
852: int full_log = 1;
1.57 jsing 853: const char *servername;
1.47 inoguchi 854: char *pass = NULL;
1.1 jsing 855: X509 *cert = NULL;
856: EVP_PKEY *key = NULL;
1.47 inoguchi 857: int badop = 0;
1.1 jsing 858: int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
859: SSL_CTX *ctx = NULL;
1.47 inoguchi 860: int ret = 1, in_init = 1, i;
1.50 inoguchi 861: BIO *bio_c_out = NULL;
1.1 jsing 862: BIO *sbio;
863: int mbuf_len = 0;
1.9 deraadt 864: struct timeval timeout;
1.33 jsing 865: tlsextctx tlsextcbp = {NULL, 0};
1.45 deraadt 866: struct sockaddr_storage peer;
1.1 jsing 867: int peerlen = sizeof(peer);
1.21 doug 868:
1.59 joshua 869: if (pledge("stdio cpath wpath rpath inet dns tty", NULL) == -1) {
870: perror("pledge");
871: exit(1);
1.21 doug 872: }
1.1 jsing 873:
1.60 tb 874: memset(&cfg, 0, sizeof(cfg));
875: cfg.af = AF_UNSPEC;
876: cfg.cert_format = FORMAT_PEM;
877: cfg.host = SSL_HOST_NAME;
878: cfg.key_format = FORMAT_PEM;
879: cfg.keymatexportlen = 20;
880: cfg.meth = TLS_client_method();
881: cfg.port = PORT_STR;
882: cfg.socket_type = SOCK_STREAM;
883: cfg.starttls_proto = PROTO_OFF;
884: cfg.verify = SSL_VERIFY_NONE;
1.1 jsing 885:
886: if (((cbuf = malloc(BUFSIZZ)) == NULL) ||
887: ((sbuf = malloc(BUFSIZZ)) == NULL) ||
1.39 beck 888: ((pbuf = malloc(BUFSIZZ)) == NULL) ||
1.1 jsing 889: ((mbuf = malloc(BUFSIZZ + 1)) == NULL)) { /* NUL byte */
890: BIO_printf(bio_err, "out of memory\n");
891: goto end;
892: }
893: verify_depth = 0;
894:
1.47 inoguchi 895: if (options_parse(argc, argv, s_client_options, NULL, NULL) != 0) {
896: badop = 1;
897: goto bad;
1.1 jsing 898: }
1.60 tb 899: if (cfg.proxy != NULL) {
900: if (!extract_host_port(cfg.proxy,
901: &cfg.host, NULL, &cfg.port))
1.12 bluhm 902: goto bad;
1.60 tb 903: if (cfg.connect == NULL)
904: cfg.connect = SSL_HOST_NAME;
905: } else if (cfg.connect != NULL) {
906: if (!extract_host_port(cfg.connect,
907: &cfg.host, NULL, &cfg.port))
1.12 bluhm 908: goto bad;
909: }
1.1 jsing 910: if (badop) {
1.35 jsing 911: bad:
1.60 tb 912: if (cfg.errstr == NULL)
1.1 jsing 913: sc_usage();
914: goto end;
915: }
916:
1.60 tb 917: if (!app_passwd(bio_err, cfg.passarg, NULL, &pass, NULL)) {
1.1 jsing 918: BIO_printf(bio_err, "Error getting password\n");
919: goto end;
920: }
1.60 tb 921: if (cfg.key_file == NULL)
922: cfg.key_file = cfg.cert_file;
1.1 jsing 923:
924:
1.60 tb 925: if (cfg.key_file) {
1.1 jsing 926:
1.60 tb 927: key = load_key(bio_err, cfg.key_file,
928: cfg.key_format, 0, pass,
1.1 jsing 929: "client certificate private key file");
930: if (!key) {
931: ERR_print_errors(bio_err);
932: goto end;
933: }
934: }
1.60 tb 935: if (cfg.cert_file) {
936: cert = load_cert(bio_err, cfg.cert_file,
937: cfg.cert_format,
1.19 bcook 938: NULL, "client certificate file");
1.1 jsing 939:
940: if (!cert) {
941: ERR_print_errors(bio_err);
942: goto end;
943: }
944: }
1.60 tb 945: if (cfg.quiet && !cfg.debug &&
946: !cfg.msg) {
1.50 inoguchi 947: if ((bio_c_out = BIO_new(BIO_s_null())) == NULL)
948: goto end;
949: } else {
950: if ((bio_c_out = BIO_new_fp(stdout, BIO_NOCLOSE)) == NULL)
951: goto end;
1.1 jsing 952: }
953:
1.60 tb 954: ctx = SSL_CTX_new(cfg.meth);
1.1 jsing 955: if (ctx == NULL) {
956: ERR_print_errors(bio_err);
957: goto end;
958: }
1.46 tb 959:
960: SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
961:
1.60 tb 962: if (cfg.vpm)
963: SSL_CTX_set1_param(ctx, cfg.vpm);
1.42 jsing 964:
1.60 tb 965: if (!SSL_CTX_set_min_proto_version(ctx, cfg.min_version))
1.42 jsing 966: goto end;
1.60 tb 967: if (!SSL_CTX_set_max_proto_version(ctx, cfg.max_version))
1.42 jsing 968: goto end;
1.1 jsing 969:
970: #ifndef OPENSSL_NO_SRTP
1.60 tb 971: if (cfg.srtp_profiles != NULL)
972: SSL_CTX_set_tlsext_use_srtp(ctx, cfg.srtp_profiles);
1.1 jsing 973: #endif
1.60 tb 974: if (cfg.bugs)
975: SSL_CTX_set_options(ctx, SSL_OP_ALL | cfg.off);
1.1 jsing 976: else
1.60 tb 977: SSL_CTX_set_options(ctx, cfg.off);
1.1 jsing 978:
1.60 tb 979: if (cfg.clr)
980: SSL_CTX_clear_options(ctx, cfg.clr);
1.1 jsing 981:
1.60 tb 982: if (cfg.alpn_in) {
1.10 jsing 983: unsigned short alpn_len;
1.49 inoguchi 984: unsigned char *alpn;
1.10 jsing 985:
1.60 tb 986: alpn = next_protos_parse(&alpn_len, cfg.alpn_in);
1.10 jsing 987: if (alpn == NULL) {
988: BIO_printf(bio_err, "Error parsing -alpn argument\n");
989: goto end;
990: }
991: SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
992: free(alpn);
1.31 jsing 993: }
1.60 tb 994: if (cfg.groups_in != NULL) {
995: if (SSL_CTX_set1_groups_list(ctx, cfg.groups_in) != 1) {
1.31 jsing 996: BIO_printf(bio_err, "Failed to set groups '%s'\n",
1.60 tb 997: cfg.groups_in);
1.31 jsing 998: goto end;
999: }
1.10 jsing 1000: }
1.1 jsing 1001:
1.60 tb 1002: if (cfg.state)
1.1 jsing 1003: SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1.60 tb 1004: if (cfg.cipher != NULL)
1005: if (!SSL_CTX_set_cipher_list(ctx, cfg.cipher)) {
1.1 jsing 1006: BIO_printf(bio_err, "error setting cipher list\n");
1007: ERR_print_errors(bio_err);
1008: goto end;
1009: }
1010:
1.60 tb 1011: SSL_CTX_set_verify(ctx, cfg.verify, verify_callback);
1.1 jsing 1012: if (!set_cert_key_stuff(ctx, cert, key))
1013: goto end;
1014:
1.60 tb 1015: if ((cfg.CAfile || cfg.CApath)
1016: && !SSL_CTX_load_verify_locations(ctx, cfg.CAfile,
1017: cfg.CApath))
1.1 jsing 1018: ERR_print_errors(bio_err);
1.28 bcook 1019:
1020: if (!SSL_CTX_set_default_verify_paths(ctx))
1021: ERR_print_errors(bio_err);
1022:
1.1 jsing 1023: con = SSL_new(ctx);
1.60 tb 1024: if (cfg.sess_in) {
1.1 jsing 1025: SSL_SESSION *sess;
1.60 tb 1026: BIO *stmp = BIO_new_file(cfg.sess_in, "r");
1.1 jsing 1027: if (!stmp) {
1028: BIO_printf(bio_err, "Can't open session file %s\n",
1.60 tb 1029: cfg.sess_in);
1.1 jsing 1030: ERR_print_errors(bio_err);
1031: goto end;
1032: }
1033: sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1034: BIO_free(stmp);
1035: if (!sess) {
1036: BIO_printf(bio_err, "Can't open session file %s\n",
1.60 tb 1037: cfg.sess_in);
1.1 jsing 1038: ERR_print_errors(bio_err);
1039: goto end;
1040: }
1041: SSL_set_session(con, sess);
1042: SSL_SESSION_free(sess);
1043: }
1.57 jsing 1044:
1045: /* Attempt to opportunistically use the host name for SNI. */
1.60 tb 1046: servername = cfg.servername;
1.57 jsing 1047: if (servername == NULL)
1.60 tb 1048: servername = cfg.host;
1.57 jsing 1049:
1.60 tb 1050: if (!cfg.no_servername && servername != NULL &&
1.57 jsing 1051: !SSL_set_tlsext_host_name(con, servername)) {
1052: long ssl_err = ERR_peek_error();
1053:
1.60 tb 1054: if (cfg.servername != NULL ||
1.57 jsing 1055: ERR_GET_LIB(ssl_err) != ERR_LIB_SSL ||
1056: ERR_GET_REASON(ssl_err) != SSL_R_SSL3_EXT_INVALID_SERVERNAME) {
1.49 inoguchi 1057: BIO_printf(bio_err,
1058: "Unable to set TLS servername extension.\n");
1.1 jsing 1059: ERR_print_errors(bio_err);
1060: goto end;
1061: }
1.57 jsing 1062: servername = NULL;
1063: ERR_clear_error();
1064: }
1.60 tb 1065: if (!cfg.no_servername && servername != NULL) {
1.57 jsing 1066: tlsextcbp.biodebug = bio_err;
1067: SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1068: SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1.1 jsing 1069: }
1070:
1.49 inoguchi 1071: re_start:
1.1 jsing 1072:
1.60 tb 1073: if (init_client(&s, cfg.host, cfg.port,
1074: cfg.socket_type, cfg.af) == 0) {
1.1 jsing 1075: BIO_printf(bio_err, "connect:errno=%d\n", errno);
1076: goto end;
1077: }
1078: BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1079:
1.60 tb 1080: if (cfg.nbio) {
1081: if (!cfg.quiet)
1.3 bcook 1082: BIO_printf(bio_c_out, "turning on non blocking io\n");
1083: if (!BIO_socket_nbio(s, 1)) {
1.1 jsing 1084: ERR_print_errors(bio_err);
1085: goto end;
1086: }
1087: }
1088:
1.53 jsing 1089: if (SSL_is_dtls(con)) {
1.1 jsing 1090: sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1.45 deraadt 1091: if (getsockname(s, (struct sockaddr *)&peer,
1092: (void *)&peerlen) == -1) {
1.1 jsing 1093: BIO_printf(bio_err, "getsockname:errno=%d\n",
1094: errno);
1095: shutdown(s, SHUT_RD);
1096: close(s);
1097: goto end;
1098: }
1099: (void) BIO_ctrl_set_connected(sbio, 1, &peer);
1100:
1.60 tb 1101: if (cfg.enable_timeouts) {
1.1 jsing 1102: timeout.tv_sec = 0;
1103: timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1.49 inoguchi 1104: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0,
1105: &timeout);
1.1 jsing 1106:
1107: timeout.tv_sec = 0;
1108: timeout.tv_usec = DGRAM_SND_TIMEOUT;
1.49 inoguchi 1109: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0,
1110: &timeout);
1.1 jsing 1111: }
1.60 tb 1112: if (cfg.socket_mtu > 28) {
1.1 jsing 1113: SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1.60 tb 1114: SSL_set_mtu(con, cfg.socket_mtu - 28);
1.1 jsing 1115: } else
1116: /* want to do MTU discovery */
1117: BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1118: } else
1119: sbio = BIO_new_socket(s, BIO_NOCLOSE);
1120:
1.60 tb 1121: if (cfg.nbio_test) {
1.1 jsing 1122: BIO *test;
1123:
1124: test = BIO_new(BIO_f_nbio_test());
1125: sbio = BIO_push(test, sbio);
1126: }
1.60 tb 1127: if (cfg.debug) {
1.1 jsing 1128: SSL_set_debug(con, 1);
1129: BIO_set_callback(sbio, bio_dump_callback);
1130: BIO_set_callback_arg(sbio, (char *) bio_c_out);
1131: }
1.60 tb 1132: if (cfg.msg) {
1.1 jsing 1133: SSL_set_msg_callback(con, msg_cb);
1134: SSL_set_msg_callback_arg(con, bio_c_out);
1135: }
1.60 tb 1136: if (cfg.tlsextdebug) {
1.1 jsing 1137: SSL_set_tlsext_debug_callback(con, tlsext_cb);
1138: SSL_set_tlsext_debug_arg(con, bio_c_out);
1139: }
1.60 tb 1140: if (cfg.status_req) {
1.1 jsing 1141: SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1142: SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1143: SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1144: }
1145:
1146: SSL_set_bio(con, sbio, sbio);
1147: SSL_set_connect_state(con);
1148:
1149: /* ok, lets connect */
1150: read_tty = 1;
1151: write_tty = 0;
1152: tty_on = 0;
1153: read_ssl = 1;
1154: write_ssl = 1;
1155:
1156: cbuf_len = 0;
1157: cbuf_off = 0;
1158: sbuf_len = 0;
1159: sbuf_off = 0;
1160:
1161: /* This is an ugly hack that does a lot of assumptions */
1162: /*
1163: * We do have to handle multi-line responses which may come in a
1164: * single packet or not. We therefore have to use BIO_gets() which
1165: * does need a buffering BIO. So during the initial chitchat we do
1166: * push a buffering BIO into the chain that is removed again later on
1167: * to not disturb the rest of the s_client operation.
1168: */
1.60 tb 1169: if (cfg.starttls_proto == PROTO_SMTP ||
1170: cfg.starttls_proto == PROTO_LMTP) {
1.1 jsing 1171: int foundit = 0;
1172: BIO *fbio = BIO_new(BIO_f_buffer());
1173: BIO_push(fbio, sbio);
1174: /* wait for multi-line response to end from SMTP */
1175: do {
1176: mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1177: }
1178: while (mbuf_len > 3 && mbuf[3] == '-');
1179: /* STARTTLS command requires EHLO... */
1180: BIO_printf(fbio, "%cHLO openssl.client.net\r\n",
1.60 tb 1181: cfg.starttls_proto == PROTO_SMTP ? 'E' : 'L');
1.1 jsing 1182: (void) BIO_flush(fbio);
1183: /* wait for multi-line response to end EHLO SMTP response */
1184: do {
1185: mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1186: if (strstr(mbuf, "STARTTLS"))
1187: foundit = 1;
1188: }
1189: while (mbuf_len > 3 && mbuf[3] == '-');
1190: (void) BIO_flush(fbio);
1191: BIO_pop(fbio);
1192: BIO_free(fbio);
1193: if (!foundit)
1194: BIO_printf(bio_err,
1.36 jmc 1195: "didn't find starttls in server response,"
1.1 jsing 1196: " try anyway...\n");
1197: BIO_printf(sbio, "STARTTLS\r\n");
1198: BIO_read(sbio, sbuf, BUFSIZZ);
1.60 tb 1199: } else if (cfg.starttls_proto == PROTO_POP3) {
1.1 jsing 1200: mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
1201: if (mbuf_len == -1) {
1202: BIO_printf(bio_err, "BIO_read failed\n");
1203: goto end;
1204: }
1205: BIO_printf(sbio, "STLS\r\n");
1206: BIO_read(sbio, sbuf, BUFSIZZ);
1.60 tb 1207: } else if (cfg.starttls_proto == PROTO_IMAP) {
1.1 jsing 1208: int foundit = 0;
1209: BIO *fbio = BIO_new(BIO_f_buffer());
1210: BIO_push(fbio, sbio);
1211: BIO_gets(fbio, mbuf, BUFSIZZ);
1212: /* STARTTLS command requires CAPABILITY... */
1213: BIO_printf(fbio, ". CAPABILITY\r\n");
1214: (void) BIO_flush(fbio);
1215: /* wait for multi-line CAPABILITY response */
1216: do {
1217: mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1218: if (strstr(mbuf, "STARTTLS"))
1219: foundit = 1;
1220: }
1221: while (mbuf_len > 3 && mbuf[0] != '.');
1222: (void) BIO_flush(fbio);
1223: BIO_pop(fbio);
1224: BIO_free(fbio);
1225: if (!foundit)
1226: BIO_printf(bio_err,
1.37 tb 1227: "didn't find STARTTLS in server response,"
1.1 jsing 1228: " try anyway...\n");
1229: BIO_printf(sbio, ". STARTTLS\r\n");
1230: BIO_read(sbio, sbuf, BUFSIZZ);
1.60 tb 1231: } else if (cfg.starttls_proto == PROTO_FTP) {
1.1 jsing 1232: BIO *fbio = BIO_new(BIO_f_buffer());
1233: BIO_push(fbio, sbio);
1234: /* wait for multi-line response to end from FTP */
1235: do {
1236: mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1237: }
1238: while (mbuf_len > 3 && mbuf[3] == '-');
1239: (void) BIO_flush(fbio);
1240: BIO_pop(fbio);
1241: BIO_free(fbio);
1242: BIO_printf(sbio, "AUTH TLS\r\n");
1243: BIO_read(sbio, sbuf, BUFSIZZ);
1.60 tb 1244: } else if (cfg.starttls_proto == PROTO_XMPP) {
1.1 jsing 1245: int seen = 0;
1246: BIO_printf(sbio, "<stream:stream "
1247: "xmlns:stream='http://etherx.jabber.org/streams' "
1.49 inoguchi 1248: "xmlns='jabber:client' to='%s' version='1.0'>",
1.60 tb 1249: cfg.xmpphost ?
1250: cfg.xmpphost : cfg.host);
1.1 jsing 1251: seen = BIO_read(sbio, mbuf, BUFSIZZ);
1.15 landry 1252:
1253: if (seen <= 0)
1254: goto shut;
1255:
1.1 jsing 1256: mbuf[seen] = 0;
1.15 landry 1257: while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'") &&
1258: !strstr(mbuf, "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\"")) {
1259: seen = BIO_read(sbio, mbuf, BUFSIZZ);
1260:
1261: if (seen <= 0)
1.1 jsing 1262: goto shut;
1.15 landry 1263:
1.1 jsing 1264: mbuf[seen] = 0;
1265: }
1.49 inoguchi 1266: BIO_printf(sbio,
1267: "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1.1 jsing 1268: seen = BIO_read(sbio, sbuf, BUFSIZZ);
1269: sbuf[seen] = 0;
1270: if (!strstr(sbuf, "<proceed"))
1271: goto shut;
1272: mbuf[0] = 0;
1.60 tb 1273: } else if (cfg.proxy != NULL) {
1.49 inoguchi 1274: BIO_printf(sbio, "CONNECT %s HTTP/1.0\r\n\r\n",
1.60 tb 1275: cfg.connect);
1.12 bluhm 1276: mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
1277: if (mbuf_len == -1) {
1278: BIO_printf(bio_err, "BIO_read failed\n");
1279: goto end;
1280: }
1.1 jsing 1281: }
1282: for (;;) {
1.9 deraadt 1283: struct pollfd pfd[3]; /* stdin, stdout, socket */
1284: int ptimeout = -1;
1.1 jsing 1285:
1.53 jsing 1286: if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
1.49 inoguchi 1287: ptimeout = timeout.tv_sec * 1000 +
1288: timeout.tv_usec / 1000;
1.1 jsing 1289:
1290: if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
1291: in_init = 1;
1292: tty_on = 0;
1293: } else {
1294: tty_on = 1;
1295: if (in_init) {
1296: in_init = 0;
1.60 tb 1297: if (cfg.sess_out) {
1.49 inoguchi 1298: BIO *stmp = BIO_new_file(
1.60 tb 1299: cfg.sess_out, "w");
1.1 jsing 1300: if (stmp) {
1.49 inoguchi 1301: PEM_write_bio_SSL_SESSION(stmp,
1302: SSL_get_session(con));
1.1 jsing 1303: BIO_free(stmp);
1304: } else
1.49 inoguchi 1305: BIO_printf(bio_err,
1306: "Error writing session file %s\n",
1.60 tb 1307: cfg.sess_out);
1.1 jsing 1308: }
1309: print_stuff(bio_c_out, con, full_log);
1310: if (full_log > 0)
1311: full_log--;
1312:
1.60 tb 1313: if (cfg.starttls_proto) {
1.1 jsing 1314: BIO_write(bio_err, mbuf, mbuf_len);
1315: /* We don't need to know any more */
1.60 tb 1316: cfg.starttls_proto = PROTO_OFF;
1.1 jsing 1317: }
1.60 tb 1318: if (cfg.reconnect) {
1319: cfg.reconnect--;
1.49 inoguchi 1320: BIO_printf(bio_c_out,
1321: "drop connection and then reconnect\n");
1.1 jsing 1322: SSL_shutdown(con);
1323: SSL_set_connect_state(con);
1324: shutdown(SSL_get_fd(con), SHUT_RD);
1325: close(SSL_get_fd(con));
1326: goto re_start;
1327: }
1328: }
1329: }
1330:
1331: ssl_pending = read_ssl && SSL_pending(con);
1332:
1.9 deraadt 1333: pfd[0].fd = -1;
1334: pfd[1].fd = -1;
1.1 jsing 1335: if (!ssl_pending) {
1336: if (tty_on) {
1.9 deraadt 1337: if (read_tty) {
1338: pfd[0].fd = fileno(stdin);
1339: pfd[0].events = POLLIN;
1340: }
1341: if (write_tty) {
1342: pfd[1].fd = fileno(stdout);
1343: pfd[1].events = POLLOUT;
1344: }
1.1 jsing 1345: }
1.9 deraadt 1346:
1347: pfd[2].fd = SSL_get_fd(con);
1348: pfd[2].events = 0;
1.1 jsing 1349: if (read_ssl)
1.9 deraadt 1350: pfd[2].events |= POLLIN;
1.1 jsing 1351: if (write_ssl)
1.9 deraadt 1352: pfd[2].events |= POLLOUT;
1353:
1.1 jsing 1354: /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1355: tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1356:
1.9 deraadt 1357: i = poll(pfd, 3, ptimeout);
1.38 deraadt 1358: if (i == -1) {
1.1 jsing 1359: BIO_printf(bio_err, "bad select %d\n",
1360: errno);
1361: goto shut;
1362: /* goto end; */
1363: }
1364: }
1.53 jsing 1365: if (SSL_is_dtls(con) &&
1366: DTLSv1_handle_timeout(con) > 0)
1.1 jsing 1367: BIO_printf(bio_err, "TIMEOUT occured\n");
1.49 inoguchi 1368: if (!ssl_pending &&
1369: (pfd[2].revents & (POLLOUT|POLLERR|POLLNVAL))) {
1.9 deraadt 1370: if (pfd[2].revents & (POLLERR|POLLNVAL)) {
1371: BIO_printf(bio_err, "poll error");
1372: goto shut;
1373: }
1.1 jsing 1374: k = SSL_write(con, &(cbuf[cbuf_off]),
1375: (unsigned int) cbuf_len);
1376: switch (SSL_get_error(con, k)) {
1377: case SSL_ERROR_NONE:
1378: cbuf_off += k;
1379: cbuf_len -= k;
1380: if (k <= 0)
1381: goto end;
1382: /* we have done a write(con,NULL,0); */
1383: if (cbuf_len <= 0) {
1384: read_tty = 1;
1385: write_ssl = 0;
1386: } else { /* if (cbuf_len > 0) */
1387: read_tty = 0;
1388: write_ssl = 1;
1389: }
1390: break;
1391: case SSL_ERROR_WANT_WRITE:
1392: BIO_printf(bio_c_out, "write W BLOCK\n");
1393: write_ssl = 1;
1394: read_tty = 0;
1395: break;
1396: case SSL_ERROR_WANT_READ:
1397: BIO_printf(bio_c_out, "write R BLOCK\n");
1398: write_tty = 0;
1399: read_ssl = 1;
1400: write_ssl = 0;
1401: break;
1402: case SSL_ERROR_WANT_X509_LOOKUP:
1403: BIO_printf(bio_c_out, "write X BLOCK\n");
1404: break;
1405: case SSL_ERROR_ZERO_RETURN:
1406: if (cbuf_len != 0) {
1407: BIO_printf(bio_c_out, "shutdown\n");
1408: ret = 0;
1409: goto shut;
1410: } else {
1411: read_tty = 1;
1412: write_ssl = 0;
1413: break;
1414: }
1415:
1416: case SSL_ERROR_SYSCALL:
1417: if ((k != 0) || (cbuf_len != 0)) {
1418: BIO_printf(bio_err, "write:errno=%d\n",
1419: errno);
1420: goto shut;
1421: } else {
1422: read_tty = 1;
1423: write_ssl = 0;
1424: }
1425: break;
1426: case SSL_ERROR_SSL:
1427: ERR_print_errors(bio_err);
1428: goto shut;
1429: }
1.9 deraadt 1430: } else if (!ssl_pending &&
1431: (pfd[1].revents & (POLLOUT|POLLERR|POLLNVAL))) {
1432: if (pfd[1].revents & (POLLERR|POLLNVAL)) {
1433: BIO_printf(bio_err, "poll error");
1434: goto shut;
1435: }
1.1 jsing 1436: i = write(fileno(stdout), &(sbuf[sbuf_off]), sbuf_len);
1437:
1438: if (i <= 0) {
1439: BIO_printf(bio_c_out, "DONE\n");
1440: ret = 0;
1441: goto shut;
1442: /* goto end; */
1443: }
1444: sbuf_len -= i;
1445: sbuf_off += i;
1446: if (sbuf_len <= 0) {
1447: read_ssl = 1;
1448: write_tty = 0;
1449: }
1.9 deraadt 1450: } else if (ssl_pending || (pfd[2].revents & (POLLIN|POLLHUP))) {
1.1 jsing 1451: #ifdef RENEG
1452: {
1453: static int iiii;
1454: if (++iiii == 52) {
1455: SSL_renegotiate(con);
1456: iiii = 0;
1457: }
1458: }
1459: #endif
1.60 tb 1460: if (cfg.peekaboo) {
1.40 jsing 1461: k = p = SSL_peek(con, pbuf, 1024 /* BUFSIZZ */ );
1.41 beck 1462: pending = SSL_pending(con);
1.40 jsing 1463: if (SSL_get_error(con, p) == SSL_ERROR_NONE) {
1.39 beck 1464: if (p <= 0)
1465: goto end;
1466:
1.40 jsing 1467: k = SSL_read(con, sbuf, p);
1.39 beck 1468: }
1.40 jsing 1469: } else {
1470: k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
1.39 beck 1471: }
1.1 jsing 1472:
1473: switch (SSL_get_error(con, k)) {
1474: case SSL_ERROR_NONE:
1475: if (k <= 0)
1476: goto end;
1477: sbuf_off = 0;
1478: sbuf_len = k;
1.60 tb 1479: if (cfg.peekaboo) {
1.41 beck 1480: if (p != pending) {
1481: ret = -1;
1482: BIO_printf(bio_err,
1.49 inoguchi 1483: "peeked %d but pending %d!\n",
1484: p, pending);
1.41 beck 1485: goto shut;
1486: }
1.39 beck 1487: if (k < p) {
1488: ret = -1;
1489: BIO_printf(bio_err,
1490: "read less than peek!\n");
1491: goto shut;
1492: }
1.49 inoguchi 1493: if (p > 0 &&
1494: (memcmp(sbuf, pbuf, p) != 0)) {
1.39 beck 1495: ret = -1;
1496: BIO_printf(bio_err,
1497: "peek of %d different from read of %d!\n",
1498: p, k);
1499: goto shut;
1500: }
1501: }
1.1 jsing 1502: read_ssl = 0;
1503: write_tty = 1;
1504: break;
1505: case SSL_ERROR_WANT_WRITE:
1506: BIO_printf(bio_c_out, "read W BLOCK\n");
1507: write_ssl = 1;
1508: read_tty = 0;
1509: break;
1510: case SSL_ERROR_WANT_READ:
1511: BIO_printf(bio_c_out, "read R BLOCK\n");
1512: write_tty = 0;
1513: read_ssl = 1;
1514: if ((read_tty == 0) && (write_ssl == 0))
1515: write_ssl = 1;
1516: break;
1517: case SSL_ERROR_WANT_X509_LOOKUP:
1518: BIO_printf(bio_c_out, "read X BLOCK\n");
1519: break;
1520: case SSL_ERROR_SYSCALL:
1521: ret = errno;
1522: BIO_printf(bio_err, "read:errno=%d\n", ret);
1523: goto shut;
1524: case SSL_ERROR_ZERO_RETURN:
1525: BIO_printf(bio_c_out, "closed\n");
1526: ret = 0;
1527: goto shut;
1528: case SSL_ERROR_SSL:
1529: ERR_print_errors(bio_err);
1530: goto shut;
1531: /* break; */
1532: }
1.9 deraadt 1533: } else if (pfd[0].revents) {
1534: if (pfd[0].revents & (POLLERR|POLLNVAL)) {
1535: BIO_printf(bio_err, "poll error");
1536: goto shut;
1537: }
1.60 tb 1538: if (cfg.crlf) {
1.1 jsing 1539: int j, lf_num;
1540:
1541: i = read(fileno(stdin), cbuf, BUFSIZZ / 2);
1542: lf_num = 0;
1543: /* both loops are skipped when i <= 0 */
1544: for (j = 0; j < i; j++)
1545: if (cbuf[j] == '\n')
1546: lf_num++;
1547: for (j = i - 1; j >= 0; j--) {
1548: cbuf[j + lf_num] = cbuf[j];
1549: if (cbuf[j] == '\n') {
1550: lf_num--;
1551: i++;
1552: cbuf[j + lf_num] = '\r';
1553: }
1554: }
1555: assert(lf_num == 0);
1556: } else
1557: i = read(fileno(stdin), cbuf, BUFSIZZ);
1558:
1.60 tb 1559: if ((!cfg.ign_eof) &&
1.49 inoguchi 1560: ((i <= 0) || (cbuf[0] == 'Q'))) {
1.1 jsing 1561: BIO_printf(bio_err, "DONE\n");
1562: ret = 0;
1563: goto shut;
1564: }
1.60 tb 1565: if ((!cfg.ign_eof) && (cbuf[0] == 'R')) {
1.1 jsing 1566: BIO_printf(bio_err, "RENEGOTIATING\n");
1567: SSL_renegotiate(con);
1568: cbuf_len = 0;
1569: } else {
1570: cbuf_len = i;
1571: cbuf_off = 0;
1572: }
1573:
1574: write_ssl = 1;
1575: read_tty = 0;
1576: }
1577: }
1578:
1579: ret = 0;
1.35 jsing 1580: shut:
1.1 jsing 1581: if (in_init)
1582: print_stuff(bio_c_out, con, full_log);
1583: SSL_shutdown(con);
1584: shutdown(SSL_get_fd(con), SHUT_RD);
1585: close(SSL_get_fd(con));
1.35 jsing 1586: end:
1.1 jsing 1587: if (con != NULL) {
1.60 tb 1588: if (cfg.prexit != 0)
1.1 jsing 1589: print_stuff(bio_c_out, con, 1);
1590: SSL_free(con);
1591: }
1.34 jsing 1592: SSL_CTX_free(ctx);
1593: X509_free(cert);
1594: EVP_PKEY_free(key);
1.1 jsing 1595: free(pass);
1.60 tb 1596: X509_VERIFY_PARAM_free(cfg.vpm);
1.32 deraadt 1597: freezero(cbuf, BUFSIZZ);
1598: freezero(sbuf, BUFSIZZ);
1.52 tb 1599: freezero(pbuf, BUFSIZZ);
1.32 deraadt 1600: freezero(mbuf, BUFSIZZ);
1.50 inoguchi 1601: BIO_free(bio_c_out);
1.1 jsing 1602:
1603: return (ret);
1604: }
1605:
1606: static void
1.51 inoguchi 1607: print_stuff(BIO *bio, SSL *s, int full)
1.1 jsing 1608: {
1609: X509 *peer = NULL;
1610: char *p;
1611: static const char *space = " ";
1612: char buf[BUFSIZ];
1.51 inoguchi 1613: STACK_OF(X509) *sk;
1614: STACK_OF(X509_NAME) *sk2;
1.1 jsing 1615: const SSL_CIPHER *c;
1616: X509_NAME *xn;
1617: int j, i;
1618: unsigned char *exportedkeymat;
1619:
1620: if (full) {
1621: int got_a_chain = 0;
1622:
1623: sk = SSL_get_peer_cert_chain(s);
1624: if (sk != NULL) {
1625: got_a_chain = 1; /* we don't have it for SSL2
1626: * (yet) */
1627:
1628: BIO_printf(bio, "---\nCertificate chain\n");
1629: for (i = 0; i < sk_X509_num(sk); i++) {
1630: X509_NAME_oneline(X509_get_subject_name(
1631: sk_X509_value(sk, i)), buf, sizeof buf);
1632: BIO_printf(bio, "%2d s:%s\n", i, buf);
1633: X509_NAME_oneline(X509_get_issuer_name(
1634: sk_X509_value(sk, i)), buf, sizeof buf);
1635: BIO_printf(bio, " i:%s\n", buf);
1.60 tb 1636: if (cfg.showcerts)
1.49 inoguchi 1637: PEM_write_bio_X509(bio,
1638: sk_X509_value(sk, i));
1.1 jsing 1639: }
1640: }
1641: BIO_printf(bio, "---\n");
1642: peer = SSL_get_peer_certificate(s);
1643: if (peer != NULL) {
1644: BIO_printf(bio, "Server certificate\n");
1.60 tb 1645: if (!(cfg.showcerts && got_a_chain)) {
1.49 inoguchi 1646: /* Redundant if we showed the whole chain */
1.1 jsing 1647: PEM_write_bio_X509(bio, peer);
1.49 inoguchi 1648: }
1.1 jsing 1649: X509_NAME_oneline(X509_get_subject_name(peer),
1650: buf, sizeof buf);
1651: BIO_printf(bio, "subject=%s\n", buf);
1652: X509_NAME_oneline(X509_get_issuer_name(peer),
1653: buf, sizeof buf);
1654: BIO_printf(bio, "issuer=%s\n", buf);
1655: } else
1656: BIO_printf(bio, "no peer certificate available\n");
1657:
1658: sk2 = SSL_get_client_CA_list(s);
1659: if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
1.49 inoguchi 1660: BIO_printf(bio,
1661: "---\nAcceptable client certificate CA names\n");
1.1 jsing 1662: for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
1663: xn = sk_X509_NAME_value(sk2, i);
1664: X509_NAME_oneline(xn, buf, sizeof(buf));
1665: BIO_write(bio, buf, strlen(buf));
1666: BIO_write(bio, "\n", 1);
1667: }
1668: } else {
1.49 inoguchi 1669: BIO_printf(bio,
1670: "---\nNo client certificate CA names sent\n");
1.1 jsing 1671: }
1672: p = SSL_get_shared_ciphers(s, buf, sizeof buf);
1673: if (p != NULL) {
1674: /*
1675: * This works only for SSL 2. In later protocol
1676: * versions, the client does not know what other
1677: * ciphers (in addition to the one to be used in the
1678: * current connection) the server supports.
1679: */
1680:
1.49 inoguchi 1681: BIO_printf(bio,
1682: "---\nCiphers common between both SSL endpoints:\n");
1.1 jsing 1683: j = i = 0;
1684: while (*p) {
1685: if (*p == ':') {
1686: BIO_write(bio, space, 15 - j % 25);
1687: i++;
1688: j = 0;
1.49 inoguchi 1689: BIO_write(bio,
1690: ((i % 3) ? " " : "\n"), 1);
1.1 jsing 1691: } else {
1692: BIO_write(bio, p, 1);
1693: j++;
1694: }
1695: p++;
1696: }
1697: BIO_write(bio, "\n", 1);
1698: }
1.29 jsing 1699:
1700: ssl_print_tmp_key(bio, s);
1701:
1.49 inoguchi 1702: BIO_printf(bio,
1703: "---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1.1 jsing 1704: BIO_number_read(SSL_get_rbio(s)),
1705: BIO_number_written(SSL_get_wbio(s)));
1706: }
1707: BIO_printf(bio, (SSL_cache_hit(s) ? "---\nReused, " : "---\nNew, "));
1708: c = SSL_get_current_cipher(s);
1709: BIO_printf(bio, "%s, Cipher is %s\n",
1710: SSL_CIPHER_get_version(c),
1711: SSL_CIPHER_get_name(c));
1712: if (peer != NULL) {
1713: EVP_PKEY *pktmp;
1.58 tb 1714:
1715: pktmp = X509_get0_pubkey(peer);
1.1 jsing 1716: BIO_printf(bio, "Server public key is %d bit\n",
1717: EVP_PKEY_bits(pktmp));
1718: }
1719: BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
1720: SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
1721:
1722: /* Compression is not supported and will always be none. */
1723: BIO_printf(bio, "Compression: NONE\n");
1724: BIO_printf(bio, "Expansion: NONE\n");
1725:
1726: #ifdef SSL_DEBUG
1727: {
1728: /* Print out local port of connection: useful for debugging */
1729: int sock;
1730: struct sockaddr_in ladd;
1731: socklen_t ladd_size = sizeof(ladd);
1732: sock = SSL_get_fd(s);
1733: getsockname(sock, (struct sockaddr *) & ladd, &ladd_size);
1.50 inoguchi 1734: BIO_printf(bio, "LOCAL PORT is %u\n",
1.49 inoguchi 1735: ntohs(ladd.sin_port));
1.1 jsing 1736: }
1737: #endif
1738:
1.10 jsing 1739: {
1740: const unsigned char *proto;
1741: unsigned int proto_len;
1742: SSL_get0_alpn_selected(s, &proto, &proto_len);
1743: if (proto_len > 0) {
1744: BIO_printf(bio, "ALPN protocol: ");
1745: BIO_write(bio, proto, proto_len);
1746: BIO_write(bio, "\n", 1);
1747: } else
1748: BIO_printf(bio, "No ALPN negotiated\n");
1749: }
1.1 jsing 1750:
1751: #ifndef OPENSSL_NO_SRTP
1752: {
1.49 inoguchi 1753: SRTP_PROTECTION_PROFILE *srtp_profile;
1.1 jsing 1754:
1.49 inoguchi 1755: srtp_profile = SSL_get_selected_srtp_profile(s);
1.1 jsing 1756: if (srtp_profile)
1.49 inoguchi 1757: BIO_printf(bio,
1758: "SRTP Extension negotiated, profile=%s\n",
1.1 jsing 1759: srtp_profile->name);
1760: }
1761: #endif
1762:
1763: SSL_SESSION_print(bio, SSL_get_session(s));
1.60 tb 1764: if (cfg.keymatexportlabel != NULL) {
1.1 jsing 1765: BIO_printf(bio, "Keying material exporter:\n");
1.49 inoguchi 1766: BIO_printf(bio, " Label: '%s'\n",
1.60 tb 1767: cfg.keymatexportlabel);
1.49 inoguchi 1768: BIO_printf(bio, " Length: %i bytes\n",
1.60 tb 1769: cfg.keymatexportlen);
1770: exportedkeymat = malloc(cfg.keymatexportlen);
1.1 jsing 1771: if (exportedkeymat != NULL) {
1772: if (!SSL_export_keying_material(s, exportedkeymat,
1.60 tb 1773: cfg.keymatexportlen,
1774: cfg.keymatexportlabel,
1775: strlen(cfg.keymatexportlabel),
1.1 jsing 1776: NULL, 0, 0)) {
1777: BIO_printf(bio, " Error\n");
1778: } else {
1779: BIO_printf(bio, " Keying material: ");
1.60 tb 1780: for (i = 0; i < cfg.keymatexportlen; i++)
1.1 jsing 1781: BIO_printf(bio, "%02X",
1782: exportedkeymat[i]);
1783: BIO_printf(bio, "\n");
1784: }
1785: free(exportedkeymat);
1786: }
1787: }
1788: BIO_printf(bio, "---\n");
1.34 jsing 1789: X509_free(peer);
1.1 jsing 1790: /* flush, or debugging output gets mixed with http response */
1791: (void) BIO_flush(bio);
1792: }
1793:
1794: static int
1.51 inoguchi 1795: ocsp_resp_cb(SSL *s, void *arg)
1.1 jsing 1796: {
1797: const unsigned char *p;
1798: int len;
1799: OCSP_RESPONSE *rsp;
1800: len = SSL_get_tlsext_status_ocsp_resp(s, &p);
1801: BIO_puts(arg, "OCSP response: ");
1802: if (!p) {
1803: BIO_puts(arg, "no response sent\n");
1804: return 1;
1805: }
1806: rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
1807: if (!rsp) {
1808: BIO_puts(arg, "response parse error\n");
1809: BIO_dump_indent(arg, (char *) p, len, 4);
1810: return 0;
1811: }
1812: BIO_puts(arg, "\n======================================\n");
1813: OCSP_RESPONSE_print(arg, rsp, 0);
1814: BIO_puts(arg, "======================================\n");
1815: OCSP_RESPONSE_free(rsp);
1816: return 1;
1.51 inoguchi 1817: }
1818:
1819: static int
1820: ssl_servername_cb(SSL *s, int *ad, void *arg)
1821: {
1822: tlsextctx *p = (tlsextctx *) arg;
1823: const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
1824: if (SSL_get_servername_type(s) != -1)
1825: p->ack = !SSL_session_reused(s) && hn != NULL;
1826: else
1827: BIO_printf(bio_err, "Can't use SSL_get_servername\n");
1828:
1829: return SSL_TLSEXT_ERR_OK;
1.1 jsing 1830: }
1831:
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