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Merge commit 'db1c88f6dab43484b6c33636600ac4596ff4c354'
[unleashed.git] / bin / openssl / s_client.c
blobb66997ee50456414daee594b9f85427dc41ccd11
1 /* $OpenBSD: s_client.c,v 1.36 2018/02/11 20:03:10 jmc Exp $ */
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>
151 #include <poll.h>
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 int c_nbio = 0;
174 static int c_Pause = 0;
175 static int c_debug = 0;
176 static int c_tlsextdebug = 0;
177 static int c_status_req = 0;
178 static int c_msg = 0;
179 static int c_showcerts = 0;
180
181 static char *keymatexportlabel = NULL;
182 static int keymatexportlen = 20;
183
184 static void sc_usage(void);
185 static void print_stuff(BIO * berr, SSL * con, int full);
186 static int ocsp_resp_cb(SSL * s, void *arg);
187 static BIO *bio_c_out = NULL;
188 static int c_quiet = 0;
189 static int c_ign_eof = 0;
190
191
192 static void
193 sc_usage(void)
194 {
195 BIO_printf(bio_err, "usage: s_client args\n");
196 BIO_printf(bio_err, "\n");
197 BIO_printf(bio_err, " -4 - Force IPv4\n");
198 BIO_printf(bio_err, " -6 - Force IPv6\n");
199 BIO_printf(bio_err, " -host host - use -connect instead\n");
200 BIO_printf(bio_err, " -port port - use -connect instead\n");
201 BIO_printf(bio_err, " -connect host:port - who to connect to (default is %s:%s)\n", SSL_HOST_NAME, PORT_STR);
202 BIO_printf(bio_err, " -proxy host:port - connect to http proxy\n");
203
204 BIO_printf(bio_err, " -verify arg - turn on peer certificate verification\n");
205 BIO_printf(bio_err, " -cert arg - certificate file to use, PEM format assumed\n");
206 BIO_printf(bio_err, " -certform arg - certificate format (PEM or DER) PEM default\n");
207 BIO_printf(bio_err, " -key arg - Private key file to use, in cert file if\n");
208 BIO_printf(bio_err, " not specified but cert file is.\n");
209 BIO_printf(bio_err, " -keyform arg - key format (PEM or DER) PEM default\n");
210 BIO_printf(bio_err, " -pass arg - private key file pass phrase source\n");
211 BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n");
212 BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n");
213 BIO_printf(bio_err, " -reconnect - Drop and re-make the connection with the same Session-ID\n");
214 BIO_printf(bio_err, " -pause - sleep(1) after each read(2) and write(2) system call\n");
215 BIO_printf(bio_err, " -showcerts - show all certificates in the chain\n");
216 BIO_printf(bio_err, " -debug - extra output\n");
217 BIO_printf(bio_err, " -msg - Show protocol messages\n");
218 BIO_printf(bio_err, " -nbio_test - more ssl protocol testing\n");
219 BIO_printf(bio_err, " -state - print the 'ssl' states\n");
220 BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n");
221 BIO_printf(bio_err, " -crlf - convert LF from terminal into CRLF\n");
222 BIO_printf(bio_err, " -quiet - no s_client output\n");
223 BIO_printf(bio_err, " -ign_eof - ignore input eof (default when -quiet)\n");
224 BIO_printf(bio_err, " -no_ign_eof - don't ignore input eof\n");
225 BIO_printf(bio_err, " -tls1_2 - just use TLSv1.2\n");
226 BIO_printf(bio_err, " -tls1_1 - just use TLSv1.1\n");
227 BIO_printf(bio_err, " -tls1 - just use TLSv1\n");
228 BIO_printf(bio_err, " -dtls1 - just use DTLSv1\n");
229 BIO_printf(bio_err, " -mtu - set the link layer MTU\n");
230 BIO_printf(bio_err, " -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
231 BIO_printf(bio_err, " -bugs - Switch on all SSL implementation bug workarounds\n");
232 BIO_printf(bio_err, " -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
233 BIO_printf(bio_err, " command to see what is available\n");
234 BIO_printf(bio_err, " -starttls prot - use the STARTTLS command before starting TLS\n");
235 BIO_printf(bio_err, " for those protocols that support it, where\n");
236 BIO_printf(bio_err, " 'prot' defines which one to assume. Currently,\n");
237 BIO_printf(bio_err, " only \"smtp\", \"lmtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
238 BIO_printf(bio_err, " are supported.\n");
239 BIO_printf(bio_err, " -xmpphost host - connect to this virtual host on the xmpp server\n");
240 BIO_printf(bio_err, " -sess_out arg - file to write SSL session to\n");
241 BIO_printf(bio_err, " -sess_in arg - file to read SSL session from\n");
242 BIO_printf(bio_err, " -servername host - Set TLS extension servername in ClientHello\n");
243 BIO_printf(bio_err, " -tlsextdebug - hex dump of all TLS extensions received\n");
244 BIO_printf(bio_err, " -status - request certificate status from server\n");
245 BIO_printf(bio_err, " -no_ticket - disable use of RFC4507bis session tickets\n");
246 BIO_printf(bio_err, " -alpn arg - enable ALPN extension, considering named protocols supported (comma-separated list)\n");
247 BIO_printf(bio_err, " -groups arg - specify EC curve groups (colon-separated list)\n");
248 #ifndef OPENSSL_NO_SRTP
249 BIO_printf(bio_err, " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
250 #endif
251 BIO_printf(bio_err, " -keymatexport label - Export keying material using label\n");
252 BIO_printf(bio_err, " -keymatexportlen len - Export len bytes of keying material (default 20)\n");
253 }
254
255
256 /* This is a context that we pass to callbacks */
257 typedef struct tlsextctx_st {
258 BIO *biodebug;
259 int ack;
260 } tlsextctx;
261
262
263 static int
264 ssl_servername_cb(SSL * s, int *ad, void *arg)
265 {
266 tlsextctx *p = (tlsextctx *) arg;
267 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
268 if (SSL_get_servername_type(s) != -1)
269 p->ack = !SSL_session_reused(s) && hn != NULL;
270 else
271 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
272
273 return SSL_TLSEXT_ERR_OK;
274 }
275
276 #ifndef OPENSSL_NO_SRTP
277 char *srtp_profiles = NULL;
278 #endif
279
280 enum {
281 PROTO_OFF = 0,
282 PROTO_SMTP,
283 PROTO_LMTP,
284 PROTO_POP3,
285 PROTO_IMAP,
286 PROTO_FTP,
287 PROTO_XMPP
288 };
289
290 int
291 s_client_main(int argc, char **argv)
292 {
293 unsigned int off = 0, clr = 0;
294 SSL *con = NULL;
295 int s, k, state = 0, af = AF_UNSPEC;
296 char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL;
297 int cbuf_len, cbuf_off;
298 int sbuf_len, sbuf_off;
299 char *port = PORT_STR;
300 int full_log = 1;
301 char *host = SSL_HOST_NAME;
302 char *xmpphost = NULL;
303 char *proxy = NULL, *connect = NULL;
304 char *cert_file = NULL, *key_file = NULL;
305 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
306 char *passarg = NULL, *pass = NULL;
307 X509 *cert = NULL;
308 EVP_PKEY *key = NULL;
309 char *CApath = NULL, *CAfile = NULL, *cipher = NULL;
310 int reconnect = 0, badop = 0, verify = SSL_VERIFY_NONE, bugs = 0;
311 int crlf = 0;
312 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
313 SSL_CTX *ctx = NULL;
314 int ret = 1, in_init = 1, i, nbio_test = 0;
315 int starttls_proto = PROTO_OFF;
316 int prexit = 0;
317 X509_VERIFY_PARAM *vpm = NULL;
318 int badarg = 0;
319 const SSL_METHOD *meth = NULL;
320 int socket_type = SOCK_STREAM;
321 BIO *sbio;
322 int mbuf_len = 0;
323 struct timeval timeout;
324 const char *errstr = NULL;
325 char *servername = NULL;
326 tlsextctx tlsextcbp = {NULL, 0};
327 const char *alpn_in = NULL;
328 const char *groups_in = NULL;
329 char *sess_in = NULL;
330 char *sess_out = NULL;
331 struct sockaddr peer;
332 int peerlen = sizeof(peer);
333 int enable_timeouts = 0;
334 long socket_mtu = 0;
335
336 if (single_execution) {
337 if (pledge("stdio cpath wpath rpath inet dns tty", NULL) == -1) {
338 perror("pledge");
339 exit(1);
340 }
341 }
342
343 meth = SSLv23_client_method();
344
345 c_Pause = 0;
346 c_quiet = 0;
347 c_ign_eof = 0;
348 c_debug = 0;
349 c_msg = 0;
350 c_showcerts = 0;
351
352 if (((cbuf = malloc(BUFSIZZ)) == NULL) ||
353 ((sbuf = malloc(BUFSIZZ)) == NULL) ||
354 ((mbuf = malloc(BUFSIZZ + 1)) == NULL)) { /* NUL byte */
355 BIO_printf(bio_err, "out of memory\n");
356 goto end;
357 }
358 verify_depth = 0;
359 c_nbio = 0;
360
361 argc--;
362 argv++;
363 while (argc >= 1) {
364 if (strcmp(*argv, "-host") == 0) {
365 if (--argc < 1)
366 goto bad;
367 host = *(++argv);
368 } else if (strcmp(*argv, "-port") == 0) {
369 if (--argc < 1)
370 goto bad;
371 port = *(++argv);
372 if (port == NULL || *port == '\0')
373 goto bad;
374 } else if (strcmp(*argv, "-connect") == 0) {
375 if (--argc < 1)
376 goto bad;
377 connect = *(++argv);
378 } else if (strcmp(*argv, "-proxy") == 0) {
379 if (--argc < 1)
380 goto bad;
381 proxy = *(++argv);
382 } else if (strcmp(*argv,"-xmpphost") == 0) {
383 if (--argc < 1)
384 goto bad;
385 xmpphost= *(++argv);
386 } else if (strcmp(*argv, "-verify") == 0) {
387 verify = SSL_VERIFY_PEER;
388 if (--argc < 1)
389 goto bad;
390 verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr);
391 if (errstr)
392 goto bad;
393 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
394 } else if (strcmp(*argv, "-cert") == 0) {
395 if (--argc < 1)
396 goto bad;
397 cert_file = *(++argv);
398 } else if (strcmp(*argv, "-sess_out") == 0) {
399 if (--argc < 1)
400 goto bad;
401 sess_out = *(++argv);
402 } else if (strcmp(*argv, "-sess_in") == 0) {
403 if (--argc < 1)
404 goto bad;
405 sess_in = *(++argv);
406 } else if (strcmp(*argv, "-certform") == 0) {
407 if (--argc < 1)
408 goto bad;
409 cert_format = str2fmt(*(++argv));
410 } else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
411 if (badarg)
412 goto bad;
413 continue;
414 } else if (strcmp(*argv, "-verify_return_error") == 0)
415 verify_return_error = 1;
416 else if (strcmp(*argv, "-prexit") == 0)
417 prexit = 1;
418 else if (strcmp(*argv, "-crlf") == 0)
419 crlf = 1;
420 else if (strcmp(*argv, "-quiet") == 0) {
421 c_quiet = 1;
422 c_ign_eof = 1;
423 } else if (strcmp(*argv, "-ign_eof") == 0)
424 c_ign_eof = 1;
425 else if (strcmp(*argv, "-no_ign_eof") == 0)
426 c_ign_eof = 0;
427 else if (strcmp(*argv, "-pause") == 0)
428 c_Pause = 1;
429 else if (strcmp(*argv, "-debug") == 0)
430 c_debug = 1;
431 else if (strcmp(*argv, "-tlsextdebug") == 0)
432 c_tlsextdebug = 1;
433 else if (strcmp(*argv, "-status") == 0)
434 c_status_req = 1;
435 else if (strcmp(*argv, "-msg") == 0)
436 c_msg = 1;
437 else if (strcmp(*argv, "-showcerts") == 0)
438 c_showcerts = 1;
439 else if (strcmp(*argv, "-nbio_test") == 0)
440 nbio_test = 1;
441 else if (strcmp(*argv, "-state") == 0)
442 state = 1;
443 else if (strcmp(*argv, "-tls1_2") == 0)
444 meth = TLSv1_2_client_method();
445 else if (strcmp(*argv, "-tls1_1") == 0)
446 meth = TLSv1_1_client_method();
447 else if (strcmp(*argv, "-tls1") == 0)
448 meth = TLSv1_client_method();
449 #ifndef OPENSSL_NO_DTLS1
450 else if (strcmp(*argv, "-dtls1") == 0) {
451 meth = DTLSv1_client_method();
452 socket_type = SOCK_DGRAM;
453 } else if (strcmp(*argv, "-timeout") == 0)
454 enable_timeouts = 1;
455 else if (strcmp(*argv, "-mtu") == 0) {
456 if (--argc < 1)
457 goto bad;
458 socket_mtu = strtonum(*(++argv), 0, LONG_MAX, &errstr);
459 if (errstr)
460 goto bad;
461 }
462 #endif
463 else if (strcmp(*argv, "-bugs") == 0)
464 bugs = 1;
465 else if (strcmp(*argv, "-keyform") == 0) {
466 if (--argc < 1)
467 goto bad;
468 key_format = str2fmt(*(++argv));
469 } else if (strcmp(*argv, "-pass") == 0) {
470 if (--argc < 1)
471 goto bad;
472 passarg = *(++argv);
473 } else if (strcmp(*argv, "-key") == 0) {
474 if (--argc < 1)
475 goto bad;
476 key_file = *(++argv);
477 } else if (strcmp(*argv, "-reconnect") == 0) {
478 reconnect = 5;
479 } else if (strcmp(*argv, "-CApath") == 0) {
480 if (--argc < 1)
481 goto bad;
482 CApath = *(++argv);
483 } else if (strcmp(*argv, "-CAfile") == 0) {
484 if (--argc < 1)
485 goto bad;
486 CAfile = *(++argv);
487 } else if (strcmp(*argv, "-no_tls1_2") == 0)
488 off |= SSL_OP_NO_TLSv1_2;
489 else if (strcmp(*argv, "-no_tls1_1") == 0)
490 off |= SSL_OP_NO_TLSv1_1;
491 else if (strcmp(*argv, "-no_tls1") == 0)
492 off |= SSL_OP_NO_TLSv1;
493 else if (strcmp(*argv, "-no_ssl3") == 0)
494 off |= SSL_OP_NO_SSLv3;
495 else if (strcmp(*argv, "-no_ssl2") == 0)
496 off |= SSL_OP_NO_SSLv2;
497 else if (strcmp(*argv, "-no_comp") == 0) {
498 off |= SSL_OP_NO_COMPRESSION;
499 } else if (strcmp(*argv, "-no_ticket") == 0) {
500 off |= SSL_OP_NO_TICKET;
501 } else if (strcmp(*argv, "-nextprotoneg") == 0) {
502 /* Ignored. */
503 if (--argc < 1)
504 goto bad;
505 ++argv;
506 } else if (strcmp(*argv, "-alpn") == 0) {
507 if (--argc < 1)
508 goto bad;
509 alpn_in = *(++argv);
510 } else if (strcmp(*argv, "-groups") == 0) {
511 if (--argc < 1)
512 goto bad;
513 groups_in = *(++argv);
514 } else if (strcmp(*argv, "-serverpref") == 0)
515 off |= SSL_OP_CIPHER_SERVER_PREFERENCE;
516 else if (strcmp(*argv, "-legacy_renegotiation") == 0)
517 ; /* no-op */
518 else if (strcmp(*argv, "-legacy_server_connect") == 0) {
519 off |= SSL_OP_LEGACY_SERVER_CONNECT;
520 } else if (strcmp(*argv, "-no_legacy_server_connect") == 0) {
521 clr |= SSL_OP_LEGACY_SERVER_CONNECT;
522 } else if (strcmp(*argv, "-cipher") == 0) {
523 if (--argc < 1)
524 goto bad;
525 cipher = *(++argv);
526 }
527 else if (strcmp(*argv, "-nbio") == 0) {
528 c_nbio = 1;
529 }
530 else if (strcmp(*argv, "-starttls") == 0) {
531 if (--argc < 1)
532 goto bad;
533 ++argv;
534 if (strcmp(*argv, "smtp") == 0)
535 starttls_proto = PROTO_SMTP;
536 else if (strcmp(*argv, "lmtp") == 0)
537 starttls_proto = PROTO_LMTP;
538 else if (strcmp(*argv, "pop3") == 0)
539 starttls_proto = PROTO_POP3;
540 else if (strcmp(*argv, "imap") == 0)
541 starttls_proto = PROTO_IMAP;
542 else if (strcmp(*argv, "ftp") == 0)
543 starttls_proto = PROTO_FTP;
544 else if (strcmp(*argv, "xmpp") == 0)
545 starttls_proto = PROTO_XMPP;
546 else
547 goto bad;
548 }
549 else if (strcmp(*argv, "-4") == 0) {
550 af = AF_INET;
551 } else if (strcmp(*argv, "-6") == 0) {
552 af = AF_INET6;
553 }
554 else if (strcmp(*argv, "-servername") == 0) {
555 if (--argc < 1)
556 goto bad;
557 servername = *(++argv);
558 /* meth=TLSv1_client_method(); */
559 }
560 #ifndef OPENSSL_NO_SRTP
561 else if (strcmp(*argv, "-use_srtp") == 0) {
562 if (--argc < 1)
563 goto bad;
564 srtp_profiles = *(++argv);
565 }
566 #endif
567 else if (strcmp(*argv, "-keymatexport") == 0) {
568 if (--argc < 1)
569 goto bad;
570 keymatexportlabel = *(++argv);
571 } else if (strcmp(*argv, "-keymatexportlen") == 0) {
572 if (--argc < 1)
573 goto bad;
574 keymatexportlen = strtonum(*(++argv), 1, INT_MAX, &errstr);
575 if (errstr)
576 goto bad;
577 } else {
578 BIO_printf(bio_err, "unknown option %s\n", *argv);
579 badop = 1;
580 break;
581 }
582 argc--;
583 argv++;
584 }
585 if (proxy != NULL) {
586 if (!extract_host_port(proxy, &host, NULL, &port))
587 goto bad;
588 if (connect == NULL)
589 connect = SSL_HOST_NAME;
590 } else if (connect != NULL) {
591 if (!extract_host_port(connect, &host, NULL, &port))
592 goto bad;
593 }
594 if (badop) {
595 bad:
596 if (errstr)
597 BIO_printf(bio_err, "invalid argument %s: %s\n",
598 *argv, errstr);
599 else
600 sc_usage();
601 goto end;
602 }
603
604 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) {
605 BIO_printf(bio_err, "Error getting password\n");
606 goto end;
607 }
608 if (key_file == NULL)
609 key_file = cert_file;
610
611
612 if (key_file) {
613
614 key = load_key(bio_err, key_file, key_format, 0, pass,
615 "client certificate private key file");
616 if (!key) {
617 ERR_print_errors(bio_err);
618 goto end;
619 }
620 }
621 if (cert_file) {
622 cert = load_cert(bio_err, cert_file, cert_format,
623 NULL, "client certificate file");
624
625 if (!cert) {
626 ERR_print_errors(bio_err);
627 goto end;
628 }
629 }
630 if (bio_c_out == NULL) {
631 if (c_quiet && !c_debug && !c_msg) {
632 bio_c_out = BIO_new(BIO_s_null());
633 } else {
634 if (bio_c_out == NULL)
635 bio_c_out = BIO_new_fp(stdout, BIO_NOCLOSE);
636 }
637 }
638
639 ctx = SSL_CTX_new(meth);
640 if (ctx == NULL) {
641 ERR_print_errors(bio_err);
642 goto end;
643 }
644 if (vpm)
645 SSL_CTX_set1_param(ctx, vpm);
646
647 #ifndef OPENSSL_NO_SRTP
648 if (srtp_profiles != NULL)
649 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
650 #endif
651 if (bugs)
652 SSL_CTX_set_options(ctx, SSL_OP_ALL | off);
653 else
654 SSL_CTX_set_options(ctx, off);
655
656 if (clr)
657 SSL_CTX_clear_options(ctx, clr);
658 /*
659 * DTLS: partial reads end up discarding unread UDP bytes :-( Setting
660 * read ahead solves this problem.
661 */
662 if (socket_type == SOCK_DGRAM)
663 SSL_CTX_set_read_ahead(ctx, 1);
664
665 if (alpn_in) {
666 unsigned short alpn_len;
667 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
668
669 if (alpn == NULL) {
670 BIO_printf(bio_err, "Error parsing -alpn argument\n");
671 goto end;
672 }
673 SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
674 free(alpn);
675 }
676 if (groups_in != NULL) {
677 if (SSL_CTX_set1_groups_list(ctx, groups_in) != 1) {
678 BIO_printf(bio_err, "Failed to set groups '%s'\n",
679 groups_in);
680 goto end;
681 }
682 }
683
684 if (state)
685 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
686 if (cipher != NULL)
687 if (!SSL_CTX_set_cipher_list(ctx, cipher)) {
688 BIO_printf(bio_err, "error setting cipher list\n");
689 ERR_print_errors(bio_err);
690 goto end;
691 }
692
693 SSL_CTX_set_verify(ctx, verify, verify_callback);
694 if (!set_cert_key_stuff(ctx, cert, key))
695 goto end;
696
697 if ((CAfile || CApath)
698 && !SSL_CTX_load_verify_locations(ctx, CAfile, CApath))
699 ERR_print_errors(bio_err);
700
701 if (!SSL_CTX_set_default_verify_paths(ctx))
702 ERR_print_errors(bio_err);
703
704 if (servername != NULL) {
705 tlsextcbp.biodebug = bio_err;
706 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
707 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
708 }
709
710 con = SSL_new(ctx);
711 if (sess_in) {
712 SSL_SESSION *sess;
713 BIO *stmp = BIO_new_file(sess_in, "r");
714 if (!stmp) {
715 BIO_printf(bio_err, "Can't open session file %s\n",
716 sess_in);
717 ERR_print_errors(bio_err);
718 goto end;
719 }
720 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
721 BIO_free(stmp);
722 if (!sess) {
723 BIO_printf(bio_err, "Can't open session file %s\n",
724 sess_in);
725 ERR_print_errors(bio_err);
726 goto end;
727 }
728 SSL_set_session(con, sess);
729 SSL_SESSION_free(sess);
730 }
731 if (servername != NULL) {
732 if (!SSL_set_tlsext_host_name(con, servername)) {
733 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
734 ERR_print_errors(bio_err);
735 goto end;
736 }
737 }
738 /* SSL_set_cipher_list(con,"RC4-MD5"); */
739
740 re_start:
741
742 if (init_client(&s, host, port, socket_type, af) == 0) {
743 BIO_printf(bio_err, "connect:errno=%d\n", errno);
744 goto end;
745 }
746 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
747
748 if (c_nbio) {
749 if (!c_quiet)
750 BIO_printf(bio_c_out, "turning on non blocking io\n");
751 if (!BIO_socket_nbio(s, 1)) {
752 ERR_print_errors(bio_err);
753 goto end;
754 }
755 }
756 if (c_Pause & 0x01)
757 SSL_set_debug(con, 1);
758
759 if (SSL_version(con) == DTLS1_VERSION) {
760
761 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
762 if (getsockname(s, &peer, (void *) &peerlen) < 0) {
763 BIO_printf(bio_err, "getsockname:errno=%d\n",
764 errno);
765 shutdown(s, SHUT_RD);
766 close(s);
767 goto end;
768 }
769 (void) BIO_ctrl_set_connected(sbio, 1, &peer);
770
771 if (enable_timeouts) {
772 timeout.tv_sec = 0;
773 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
774 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
775
776 timeout.tv_sec = 0;
777 timeout.tv_usec = DGRAM_SND_TIMEOUT;
778 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
779 }
780 if (socket_mtu > 28) {
781 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
782 SSL_set_mtu(con, socket_mtu - 28);
783 } else
784 /* want to do MTU discovery */
785 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
786 } else
787 sbio = BIO_new_socket(s, BIO_NOCLOSE);
788
789 if (nbio_test) {
790 BIO *test;
791
792 test = BIO_new(BIO_f_nbio_test());
793 sbio = BIO_push(test, sbio);
794 }
795 if (c_debug) {
796 SSL_set_debug(con, 1);
797 BIO_set_callback(sbio, bio_dump_callback);
798 BIO_set_callback_arg(sbio, (char *) bio_c_out);
799 }
800 if (c_msg) {
801 SSL_set_msg_callback(con, msg_cb);
802 SSL_set_msg_callback_arg(con, bio_c_out);
803 }
804 if (c_tlsextdebug) {
805 SSL_set_tlsext_debug_callback(con, tlsext_cb);
806 SSL_set_tlsext_debug_arg(con, bio_c_out);
807 }
808 if (c_status_req) {
809 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
810 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
811 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
812 }
813
814 SSL_set_bio(con, sbio, sbio);
815 SSL_set_connect_state(con);
816
817 /* ok, lets connect */
818 read_tty = 1;
819 write_tty = 0;
820 tty_on = 0;
821 read_ssl = 1;
822 write_ssl = 1;
823
824 cbuf_len = 0;
825 cbuf_off = 0;
826 sbuf_len = 0;
827 sbuf_off = 0;
828
829 /* This is an ugly hack that does a lot of assumptions */
830 /*
831 * We do have to handle multi-line responses which may come in a
832 * single packet or not. We therefore have to use BIO_gets() which
833 * does need a buffering BIO. So during the initial chitchat we do
834 * push a buffering BIO into the chain that is removed again later on
835 * to not disturb the rest of the s_client operation.
836 */
837 if (starttls_proto == PROTO_SMTP || starttls_proto == PROTO_LMTP) {
838 int foundit = 0;
839 BIO *fbio = BIO_new(BIO_f_buffer());
840 BIO_push(fbio, sbio);
841 /* wait for multi-line response to end from SMTP */
842 do {
843 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
844 }
845 while (mbuf_len > 3 && mbuf[3] == '-');
846 /* STARTTLS command requires EHLO... */
847 BIO_printf(fbio, "%cHLO openssl.client.net\r\n",
848 starttls_proto == PROTO_SMTP ? 'E' : 'L');
849 (void) BIO_flush(fbio);
850 /* wait for multi-line response to end EHLO SMTP response */
851 do {
852 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
853 if (strstr(mbuf, "STARTTLS"))
854 foundit = 1;
855 }
856 while (mbuf_len > 3 && mbuf[3] == '-');
857 (void) BIO_flush(fbio);
858 BIO_pop(fbio);
859 BIO_free(fbio);
860 if (!foundit)
861 BIO_printf(bio_err,
862 "didn't find starttls in server response,"
863 " try anyway...\n");
864 BIO_printf(sbio, "STARTTLS\r\n");
865 BIO_read(sbio, sbuf, BUFSIZZ);
866 } else if (starttls_proto == PROTO_POP3) {
867 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
868 if (mbuf_len == -1) {
869 BIO_printf(bio_err, "BIO_read failed\n");
870 goto end;
871 }
872 BIO_printf(sbio, "STLS\r\n");
873 BIO_read(sbio, sbuf, BUFSIZZ);
874 } else if (starttls_proto == PROTO_IMAP) {
875 int foundit = 0;
876 BIO *fbio = BIO_new(BIO_f_buffer());
877 BIO_push(fbio, sbio);
878 BIO_gets(fbio, mbuf, BUFSIZZ);
879 /* STARTTLS command requires CAPABILITY... */
880 BIO_printf(fbio, ". CAPABILITY\r\n");
881 (void) BIO_flush(fbio);
882 /* wait for multi-line CAPABILITY response */
883 do {
884 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
885 if (strstr(mbuf, "STARTTLS"))
886 foundit = 1;
887 }
888 while (mbuf_len > 3 && mbuf[0] != '.');
889 (void) BIO_flush(fbio);
890 BIO_pop(fbio);
891 BIO_free(fbio);
892 if (!foundit)
893 BIO_printf(bio_err,
894 "didn't found STARTTLS in server response,"
895 " try anyway...\n");
896 BIO_printf(sbio, ". STARTTLS\r\n");
897 BIO_read(sbio, sbuf, BUFSIZZ);
898 } else if (starttls_proto == PROTO_FTP) {
899 BIO *fbio = BIO_new(BIO_f_buffer());
900 BIO_push(fbio, sbio);
901 /* wait for multi-line response to end from FTP */
902 do {
903 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
904 }
905 while (mbuf_len > 3 && mbuf[3] == '-');
906 (void) BIO_flush(fbio);
907 BIO_pop(fbio);
908 BIO_free(fbio);
909 BIO_printf(sbio, "AUTH TLS\r\n");
910 BIO_read(sbio, sbuf, BUFSIZZ);
911 } else if (starttls_proto == PROTO_XMPP) {
912 int seen = 0;
913 BIO_printf(sbio, "<stream:stream "
914 "xmlns:stream='http://etherx.jabber.org/streams' "
915 "xmlns='jabber:client' to='%s' version='1.0'>", xmpphost ? xmpphost : host);
916 seen = BIO_read(sbio, mbuf, BUFSIZZ);
917
918 if (seen <= 0)
919 goto shut;
920
921 mbuf[seen] = 0;
922 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'") &&
923 !strstr(mbuf, "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\"")) {
924 seen = BIO_read(sbio, mbuf, BUFSIZZ);
925
926 if (seen <= 0)
927 goto shut;
928
929 mbuf[seen] = 0;
930 }
931 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
932 seen = BIO_read(sbio, sbuf, BUFSIZZ);
933 sbuf[seen] = 0;
934 if (!strstr(sbuf, "<proceed"))
935 goto shut;
936 mbuf[0] = 0;
937 } else if (proxy != NULL) {
938 BIO_printf(sbio, "CONNECT %s HTTP/1.0\r\n\r\n", connect);
939 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
940 if (mbuf_len == -1) {
941 BIO_printf(bio_err, "BIO_read failed\n");
942 goto end;
943 }
944 }
945 for (;;) {
946 struct pollfd pfd[3]; /* stdin, stdout, socket */
947 int ptimeout = -1;
948
949 if ((SSL_version(con) == DTLS1_VERSION) &&
950 DTLSv1_get_timeout(con, &timeout))
951 ptimeout = timeout.tv_sec * 1000 + timeout.tv_usec / 1000;
952
953 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
954 in_init = 1;
955 tty_on = 0;
956 } else {
957 tty_on = 1;
958 if (in_init) {
959 in_init = 0;
960 if (sess_out) {
961 BIO *stmp = BIO_new_file(sess_out, "w");
962 if (stmp) {
963 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
964 BIO_free(stmp);
965 } else
966 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
967 }
968 print_stuff(bio_c_out, con, full_log);
969 if (full_log > 0)
970 full_log--;
971
972 if (starttls_proto) {
973 BIO_write(bio_err, mbuf, mbuf_len);
974 /* We don't need to know any more */
975 starttls_proto = PROTO_OFF;
976 }
977 if (reconnect) {
978 reconnect--;
979 BIO_printf(bio_c_out, "drop connection and then reconnect\n");
980 SSL_shutdown(con);
981 SSL_set_connect_state(con);
982 shutdown(SSL_get_fd(con), SHUT_RD);
983 close(SSL_get_fd(con));
984 goto re_start;
985 }
986 }
987 }
988
989 ssl_pending = read_ssl && SSL_pending(con);
990
991 pfd[0].fd = -1;
992 pfd[1].fd = -1;
993 if (!ssl_pending) {
994 if (tty_on) {
995 if (read_tty) {
996 pfd[0].fd = fileno(stdin);
997 pfd[0].events = POLLIN;
998 }
999 if (write_tty) {
1000 pfd[1].fd = fileno(stdout);
1001 pfd[1].events = POLLOUT;
1002 }
1003 }
1004
1005 pfd[2].fd = SSL_get_fd(con);
1006 pfd[2].events = 0;
1007 if (read_ssl)
1008 pfd[2].events |= POLLIN;
1009 if (write_ssl)
1010 pfd[2].events |= POLLOUT;
1011
1012 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1013 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1014
1015 i = poll(pfd, 3, ptimeout);
1016 if (i < 0) {
1017 BIO_printf(bio_err, "bad select %d\n",
1018 errno);
1019 goto shut;
1020 /* goto end; */
1021 }
1022 }
1023 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) {
1024 BIO_printf(bio_err, "TIMEOUT occured\n");
1025 }
1026 if (!ssl_pending && (pfd[2].revents & (POLLOUT|POLLERR|POLLNVAL))) {
1027 if (pfd[2].revents & (POLLERR|POLLNVAL)) {
1028 BIO_printf(bio_err, "poll error");
1029 goto shut;
1030 }
1031 k = SSL_write(con, &(cbuf[cbuf_off]),
1032 (unsigned int) cbuf_len);
1033 switch (SSL_get_error(con, k)) {
1034 case SSL_ERROR_NONE:
1035 cbuf_off += k;
1036 cbuf_len -= k;
1037 if (k <= 0)
1038 goto end;
1039 /* we have done a write(con,NULL,0); */
1040 if (cbuf_len <= 0) {
1041 read_tty = 1;
1042 write_ssl = 0;
1043 } else { /* if (cbuf_len > 0) */
1044 read_tty = 0;
1045 write_ssl = 1;
1046 }
1047 break;
1048 case SSL_ERROR_WANT_WRITE:
1049 BIO_printf(bio_c_out, "write W BLOCK\n");
1050 write_ssl = 1;
1051 read_tty = 0;
1052 break;
1053 case SSL_ERROR_WANT_READ:
1054 BIO_printf(bio_c_out, "write R BLOCK\n");
1055 write_tty = 0;
1056 read_ssl = 1;
1057 write_ssl = 0;
1058 break;
1059 case SSL_ERROR_WANT_X509_LOOKUP:
1060 BIO_printf(bio_c_out, "write X BLOCK\n");
1061 break;
1062 case SSL_ERROR_ZERO_RETURN:
1063 if (cbuf_len != 0) {
1064 BIO_printf(bio_c_out, "shutdown\n");
1065 ret = 0;
1066 goto shut;
1067 } else {
1068 read_tty = 1;
1069 write_ssl = 0;
1070 break;
1071 }
1072
1073 case SSL_ERROR_SYSCALL:
1074 if ((k != 0) || (cbuf_len != 0)) {
1075 BIO_printf(bio_err, "write:errno=%d\n",
1076 errno);
1077 goto shut;
1078 } else {
1079 read_tty = 1;
1080 write_ssl = 0;
1081 }
1082 break;
1083 case SSL_ERROR_SSL:
1084 ERR_print_errors(bio_err);
1085 goto shut;
1086 }
1087 } else if (!ssl_pending &&
1088 (pfd[1].revents & (POLLOUT|POLLERR|POLLNVAL))) {
1089 if (pfd[1].revents & (POLLERR|POLLNVAL)) {
1090 BIO_printf(bio_err, "poll error");
1091 goto shut;
1092 }
1093 i = write(fileno(stdout), &(sbuf[sbuf_off]), sbuf_len);
1094
1095 if (i <= 0) {
1096 BIO_printf(bio_c_out, "DONE\n");
1097 ret = 0;
1098 goto shut;
1099 /* goto end; */
1100 }
1101 sbuf_len -= i;
1102 sbuf_off += i;
1103 if (sbuf_len <= 0) {
1104 read_ssl = 1;
1105 write_tty = 0;
1106 }
1107 } else if (ssl_pending || (pfd[2].revents & (POLLIN|POLLHUP))) {
1108 #ifdef RENEG
1109 {
1110 static int iiii;
1111 if (++iiii == 52) {
1112 SSL_renegotiate(con);
1113 iiii = 0;
1114 }
1115 }
1116 #endif
1117 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
1118
1119 switch (SSL_get_error(con, k)) {
1120 case SSL_ERROR_NONE:
1121 if (k <= 0)
1122 goto end;
1123 sbuf_off = 0;
1124 sbuf_len = k;
1125
1126 read_ssl = 0;
1127 write_tty = 1;
1128 break;
1129 case SSL_ERROR_WANT_WRITE:
1130 BIO_printf(bio_c_out, "read W BLOCK\n");
1131 write_ssl = 1;
1132 read_tty = 0;
1133 break;
1134 case SSL_ERROR_WANT_READ:
1135 BIO_printf(bio_c_out, "read R BLOCK\n");
1136 write_tty = 0;
1137 read_ssl = 1;
1138 if ((read_tty == 0) && (write_ssl == 0))
1139 write_ssl = 1;
1140 break;
1141 case SSL_ERROR_WANT_X509_LOOKUP:
1142 BIO_printf(bio_c_out, "read X BLOCK\n");
1143 break;
1144 case SSL_ERROR_SYSCALL:
1145 ret = errno;
1146 BIO_printf(bio_err, "read:errno=%d\n", ret);
1147 goto shut;
1148 case SSL_ERROR_ZERO_RETURN:
1149 BIO_printf(bio_c_out, "closed\n");
1150 ret = 0;
1151 goto shut;
1152 case SSL_ERROR_SSL:
1153 ERR_print_errors(bio_err);
1154 goto shut;
1155 /* break; */
1156 }
1157 } else if (pfd[0].revents) {
1158 if (pfd[0].revents & (POLLERR|POLLNVAL)) {
1159 BIO_printf(bio_err, "poll error");
1160 goto shut;
1161 }
1162 if (crlf) {
1163 int j, lf_num;
1164
1165 i = read(fileno(stdin), cbuf, BUFSIZZ / 2);
1166 lf_num = 0;
1167 /* both loops are skipped when i <= 0 */
1168 for (j = 0; j < i; j++)
1169 if (cbuf[j] == '\n')
1170 lf_num++;
1171 for (j = i - 1; j >= 0; j--) {
1172 cbuf[j + lf_num] = cbuf[j];
1173 if (cbuf[j] == '\n') {
1174 lf_num--;
1175 i++;
1176 cbuf[j + lf_num] = '\r';
1177 }
1178 }
1179 assert(lf_num == 0);
1180 } else
1181 i = read(fileno(stdin), cbuf, BUFSIZZ);
1182
1183 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) {
1184 BIO_printf(bio_err, "DONE\n");
1185 ret = 0;
1186 goto shut;
1187 }
1188 if ((!c_ign_eof) && (cbuf[0] == 'R')) {
1189 BIO_printf(bio_err, "RENEGOTIATING\n");
1190 SSL_renegotiate(con);
1191 cbuf_len = 0;
1192 } else {
1193 cbuf_len = i;
1194 cbuf_off = 0;
1195 }
1196
1197 write_ssl = 1;
1198 read_tty = 0;
1199 }
1200 }
1201
1202 ret = 0;
1203 shut:
1204 if (in_init)
1205 print_stuff(bio_c_out, con, full_log);
1206 SSL_shutdown(con);
1207 shutdown(SSL_get_fd(con), SHUT_RD);
1208 close(SSL_get_fd(con));
1209 end:
1210 if (con != NULL) {
1211 if (prexit != 0)
1212 print_stuff(bio_c_out, con, 1);
1213 SSL_free(con);
1214 }
1215 SSL_CTX_free(ctx);
1216 X509_free(cert);
1217 EVP_PKEY_free(key);
1218 free(pass);
1219 X509_VERIFY_PARAM_free(vpm);
1220 freezero(cbuf, BUFSIZZ);
1221 freezero(sbuf, BUFSIZZ);
1222 freezero(mbuf, BUFSIZZ);
1223 if (bio_c_out != NULL) {
1224 BIO_free(bio_c_out);
1225 bio_c_out = NULL;
1226 }
1227
1228 return (ret);
1229 }
1230
1231
1232 static void
1233 print_stuff(BIO * bio, SSL * s, int full)
1234 {
1235 X509 *peer = NULL;
1236 char *p;
1237 static const char *space = " ";
1238 char buf[BUFSIZ];
1239 STACK_OF(X509) * sk;
1240 STACK_OF(X509_NAME) * sk2;
1241 const SSL_CIPHER *c;
1242 X509_NAME *xn;
1243 int j, i;
1244 unsigned char *exportedkeymat;
1245
1246 if (full) {
1247 int got_a_chain = 0;
1248
1249 sk = SSL_get_peer_cert_chain(s);
1250 if (sk != NULL) {
1251 got_a_chain = 1; /* we don't have it for SSL2
1252 * (yet) */
1253
1254 BIO_printf(bio, "---\nCertificate chain\n");
1255 for (i = 0; i < sk_X509_num(sk); i++) {
1256 X509_NAME_oneline(X509_get_subject_name(
1257 sk_X509_value(sk, i)), buf, sizeof buf);
1258 BIO_printf(bio, "%2d s:%s\n", i, buf);
1259 X509_NAME_oneline(X509_get_issuer_name(
1260 sk_X509_value(sk, i)), buf, sizeof buf);
1261 BIO_printf(bio, " i:%s\n", buf);
1262 if (c_showcerts)
1263 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
1264 }
1265 }
1266 BIO_printf(bio, "---\n");
1267 peer = SSL_get_peer_certificate(s);
1268 if (peer != NULL) {
1269 BIO_printf(bio, "Server certificate\n");
1270 if (!(c_showcerts && got_a_chain)) /* Redundant if we
1271 * showed the whole
1272 * chain */
1273 PEM_write_bio_X509(bio, peer);
1274 X509_NAME_oneline(X509_get_subject_name(peer),
1275 buf, sizeof buf);
1276 BIO_printf(bio, "subject=%s\n", buf);
1277 X509_NAME_oneline(X509_get_issuer_name(peer),
1278 buf, sizeof buf);
1279 BIO_printf(bio, "issuer=%s\n", buf);
1280 } else
1281 BIO_printf(bio, "no peer certificate available\n");
1282
1283 sk2 = SSL_get_client_CA_list(s);
1284 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
1285 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
1286 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
1287 xn = sk_X509_NAME_value(sk2, i);
1288 X509_NAME_oneline(xn, buf, sizeof(buf));
1289 BIO_write(bio, buf, strlen(buf));
1290 BIO_write(bio, "\n", 1);
1291 }
1292 } else {
1293 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
1294 }
1295 p = SSL_get_shared_ciphers(s, buf, sizeof buf);
1296 if (p != NULL) {
1297 /*
1298 * This works only for SSL 2. In later protocol
1299 * versions, the client does not know what other
1300 * ciphers (in addition to the one to be used in the
1301 * current connection) the server supports.
1302 */
1303
1304 BIO_printf(bio, "---\nCiphers common between both SSL endpoints:\n");
1305 j = i = 0;
1306 while (*p) {
1307 if (*p == ':') {
1308 BIO_write(bio, space, 15 - j % 25);
1309 i++;
1310 j = 0;
1311 BIO_write(bio, ((i % 3) ? " " : "\n"), 1);
1312 } else {
1313 BIO_write(bio, p, 1);
1314 j++;
1315 }
1316 p++;
1317 }
1318 BIO_write(bio, "\n", 1);
1319 }
1320
1321 ssl_print_tmp_key(bio, s);
1322
1323 BIO_printf(bio, "---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1324 BIO_number_read(SSL_get_rbio(s)),
1325 BIO_number_written(SSL_get_wbio(s)));
1326 }
1327 BIO_printf(bio, (SSL_cache_hit(s) ? "---\nReused, " : "---\nNew, "));
1328 c = SSL_get_current_cipher(s);
1329 BIO_printf(bio, "%s, Cipher is %s\n",
1330 SSL_CIPHER_get_version(c),
1331 SSL_CIPHER_get_name(c));
1332 if (peer != NULL) {
1333 EVP_PKEY *pktmp;
1334 pktmp = X509_get_pubkey(peer);
1335 BIO_printf(bio, "Server public key is %d bit\n",
1336 EVP_PKEY_bits(pktmp));
1337 EVP_PKEY_free(pktmp);
1338 }
1339 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
1340 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
1341
1342 /* Compression is not supported and will always be none. */
1343 BIO_printf(bio, "Compression: NONE\n");
1344 BIO_printf(bio, "Expansion: NONE\n");
1345
1346 #ifdef SSL_DEBUG
1347 {
1348 /* Print out local port of connection: useful for debugging */
1349 int sock;
1350 struct sockaddr_in ladd;
1351 socklen_t ladd_size = sizeof(ladd);
1352 sock = SSL_get_fd(s);
1353 getsockname(sock, (struct sockaddr *) & ladd, &ladd_size);
1354 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
1355 }
1356 #endif
1357
1358 {
1359 const unsigned char *proto;
1360 unsigned int proto_len;
1361 SSL_get0_alpn_selected(s, &proto, &proto_len);
1362 if (proto_len > 0) {
1363 BIO_printf(bio, "ALPN protocol: ");
1364 BIO_write(bio, proto, proto_len);
1365 BIO_write(bio, "\n", 1);
1366 } else
1367 BIO_printf(bio, "No ALPN negotiated\n");
1368 }
1369
1370 #ifndef OPENSSL_NO_SRTP
1371 {
1372 SRTP_PROTECTION_PROFILE *srtp_profile = SSL_get_selected_srtp_profile(s);
1373
1374 if (srtp_profile)
1375 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
1376 srtp_profile->name);
1377 }
1378 #endif
1379
1380 SSL_SESSION_print(bio, SSL_get_session(s));
1381 if (keymatexportlabel != NULL) {
1382 BIO_printf(bio, "Keying material exporter:\n");
1383 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
1384 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
1385 exportedkeymat = malloc(keymatexportlen);
1386 if (exportedkeymat != NULL) {
1387 if (!SSL_export_keying_material(s, exportedkeymat,
1388 keymatexportlen,
1389 keymatexportlabel,
1390 strlen(keymatexportlabel),
1391 NULL, 0, 0)) {
1392 BIO_printf(bio, " Error\n");
1393 } else {
1394 BIO_printf(bio, " Keying material: ");
1395 for (i = 0; i < keymatexportlen; i++)
1396 BIO_printf(bio, "%02X",
1397 exportedkeymat[i]);
1398 BIO_printf(bio, "\n");
1399 }
1400 free(exportedkeymat);
1401 }
1402 }
1403 BIO_printf(bio, "---\n");
1404 X509_free(peer);
1405 /* flush, or debugging output gets mixed with http response */
1406 (void) BIO_flush(bio);
1407 }
1408
1409
1410 static int
1411 ocsp_resp_cb(SSL * s, void *arg)
1412 {
1413 const unsigned char *p;
1414 int len;
1415 OCSP_RESPONSE *rsp;
1416 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
1417 BIO_puts(arg, "OCSP response: ");
1418 if (!p) {
1419 BIO_puts(arg, "no response sent\n");
1420 return 1;
1421 }
1422 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
1423 if (!rsp) {
1424 BIO_puts(arg, "response parse error\n");
1425 BIO_dump_indent(arg, (char *) p, len, 4);
1426 return 0;
1427 }
1428 BIO_puts(arg, "\n======================================\n");
1429 OCSP_RESPONSE_print(arg, rsp, 0);
1430 BIO_puts(arg, "======================================\n");
1431 OCSP_RESPONSE_free(rsp);
1432 return 1;
1433 }
1434
Unleashed OS