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preprocessor cleanup: __sparc
[unleashed/tickless.git] / bin / openssl / s_client.c
blob4a0a832c123107e956fb411c1a45135fcc613f79
1 /* $OpenBSD: s_client.c,v 1.31 2017/01/24 09:07:40 jsing 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, " -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
247 BIO_printf(bio_err, " -alpn arg - enable ALPN extension, considering named protocols supported (comma-separated list)\n");
248 BIO_printf(bio_err, " -groups arg - specify EC curve groups (colon-separated list)\n");
249 #ifndef OPENSSL_NO_SRTP
250 BIO_printf(bio_err, " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
251 #endif
252 BIO_printf(bio_err, " -keymatexport label - Export keying material using label\n");
253 BIO_printf(bio_err, " -keymatexportlen len - Export len bytes of keying material (default 20)\n");
254 }
255
256
257 /* This is a context that we pass to callbacks */
258 typedef struct tlsextctx_st {
259 BIO *biodebug;
260 int ack;
261 } tlsextctx;
262
263
264 static int
265 ssl_servername_cb(SSL * s, int *ad, void *arg)
266 {
267 tlsextctx *p = (tlsextctx *) arg;
268 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
269 if (SSL_get_servername_type(s) != -1)
270 p->ack = !SSL_session_reused(s) && hn != NULL;
271 else
272 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
273
274 return SSL_TLSEXT_ERR_OK;
275 }
276
277 #ifndef OPENSSL_NO_SRTP
278 char *srtp_profiles = NULL;
279 #endif
280
281 /* This the context that we pass to next_proto_cb */
282 typedef struct tlsextnextprotoctx_st {
283 unsigned char *data;
284 unsigned short len;
285 int status;
286 } tlsextnextprotoctx;
287
288 static tlsextnextprotoctx next_proto;
289
290 static int
291 next_proto_cb(SSL * s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
292 {
293 tlsextnextprotoctx *ctx = arg;
294
295 if (!c_quiet) {
296 /* We can assume that |in| is syntactically valid. */
297 unsigned i;
298 BIO_printf(bio_c_out, "Protocols advertised by server: ");
299 for (i = 0; i < inlen;) {
300 if (i)
301 BIO_write(bio_c_out, ", ", 2);
302 BIO_write(bio_c_out, &in[i + 1], in[i]);
303 i += in[i] + 1;
304 }
305 BIO_write(bio_c_out, "\n", 1);
306 }
307 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
308 return SSL_TLSEXT_ERR_OK;
309 }
310
311 enum {
312 PROTO_OFF = 0,
313 PROTO_SMTP,
314 PROTO_LMTP,
315 PROTO_POP3,
316 PROTO_IMAP,
317 PROTO_FTP,
318 PROTO_XMPP
319 };
320
321 int
322 s_client_main(int argc, char **argv)
323 {
324 unsigned int off = 0, clr = 0;
325 SSL *con = NULL;
326 int s, k, state = 0, af = AF_UNSPEC;
327 char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL;
328 int cbuf_len, cbuf_off;
329 int sbuf_len, sbuf_off;
330 char *port = PORT_STR;
331 int full_log = 1;
332 char *host = SSL_HOST_NAME;
333 char *xmpphost = NULL;
334 char *proxy = NULL, *connect = NULL;
335 char *cert_file = NULL, *key_file = NULL;
336 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
337 char *passarg = NULL, *pass = NULL;
338 X509 *cert = NULL;
339 EVP_PKEY *key = NULL;
340 char *CApath = NULL, *CAfile = NULL, *cipher = NULL;
341 int reconnect = 0, badop = 0, verify = SSL_VERIFY_NONE, bugs = 0;
342 int crlf = 0;
343 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
344 SSL_CTX *ctx = NULL;
345 int ret = 1, in_init = 1, i, nbio_test = 0;
346 int starttls_proto = PROTO_OFF;
347 int prexit = 0;
348 X509_VERIFY_PARAM *vpm = NULL;
349 int badarg = 0;
350 const SSL_METHOD *meth = NULL;
351 int socket_type = SOCK_STREAM;
352 BIO *sbio;
353 int mbuf_len = 0;
354 struct timeval timeout;
355 const char *errstr = NULL;
356 char *servername = NULL;
357 tlsextctx tlsextcbp =
358 {NULL, 0};
359 const char *next_proto_neg_in = NULL;
360 const char *alpn_in = NULL;
361 const char *groups_in = NULL;
362 char *sess_in = NULL;
363 char *sess_out = NULL;
364 struct sockaddr peer;
365 int peerlen = sizeof(peer);
366 int enable_timeouts = 0;
367 long socket_mtu = 0;
368
369 if (single_execution) {
370 if (pledge("stdio cpath wpath rpath inet dns tty", NULL) == -1) {
371 perror("pledge");
372 exit(1);
373 }
374 }
375
376 meth = SSLv23_client_method();
377
378 c_Pause = 0;
379 c_quiet = 0;
380 c_ign_eof = 0;
381 c_debug = 0;
382 c_msg = 0;
383 c_showcerts = 0;
384
385 if (((cbuf = malloc(BUFSIZZ)) == NULL) ||
386 ((sbuf = malloc(BUFSIZZ)) == NULL) ||
387 ((mbuf = malloc(BUFSIZZ + 1)) == NULL)) { /* NUL byte */
388 BIO_printf(bio_err, "out of memory\n");
389 goto end;
390 }
391 verify_depth = 0;
392 c_nbio = 0;
393
394 argc--;
395 argv++;
396 while (argc >= 1) {
397 if (strcmp(*argv, "-host") == 0) {
398 if (--argc < 1)
399 goto bad;
400 host = *(++argv);
401 } else if (strcmp(*argv, "-port") == 0) {
402 if (--argc < 1)
403 goto bad;
404 port = *(++argv);
405 if (port == NULL || *port == '\0')
406 goto bad;
407 } else if (strcmp(*argv, "-connect") == 0) {
408 if (--argc < 1)
409 goto bad;
410 connect = *(++argv);
411 } else if (strcmp(*argv, "-proxy") == 0) {
412 if (--argc < 1)
413 goto bad;
414 proxy = *(++argv);
415 } else if (strcmp(*argv,"-xmpphost") == 0) {
416 if (--argc < 1)
417 goto bad;
418 xmpphost= *(++argv);
419 } else if (strcmp(*argv, "-verify") == 0) {
420 verify = SSL_VERIFY_PEER;
421 if (--argc < 1)
422 goto bad;
423 verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr);
424 if (errstr)
425 goto bad;
426 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
427 } else if (strcmp(*argv, "-cert") == 0) {
428 if (--argc < 1)
429 goto bad;
430 cert_file = *(++argv);
431 } else if (strcmp(*argv, "-sess_out") == 0) {
432 if (--argc < 1)
433 goto bad;
434 sess_out = *(++argv);
435 } else if (strcmp(*argv, "-sess_in") == 0) {
436 if (--argc < 1)
437 goto bad;
438 sess_in = *(++argv);
439 } else if (strcmp(*argv, "-certform") == 0) {
440 if (--argc < 1)
441 goto bad;
442 cert_format = str2fmt(*(++argv));
443 } else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
444 if (badarg)
445 goto bad;
446 continue;
447 } else if (strcmp(*argv, "-verify_return_error") == 0)
448 verify_return_error = 1;
449 else if (strcmp(*argv, "-prexit") == 0)
450 prexit = 1;
451 else if (strcmp(*argv, "-crlf") == 0)
452 crlf = 1;
453 else if (strcmp(*argv, "-quiet") == 0) {
454 c_quiet = 1;
455 c_ign_eof = 1;
456 } else if (strcmp(*argv, "-ign_eof") == 0)
457 c_ign_eof = 1;
458 else if (strcmp(*argv, "-no_ign_eof") == 0)
459 c_ign_eof = 0;
460 else if (strcmp(*argv, "-pause") == 0)
461 c_Pause = 1;
462 else if (strcmp(*argv, "-debug") == 0)
463 c_debug = 1;
464 else if (strcmp(*argv, "-tlsextdebug") == 0)
465 c_tlsextdebug = 1;
466 else if (strcmp(*argv, "-status") == 0)
467 c_status_req = 1;
468 else if (strcmp(*argv, "-msg") == 0)
469 c_msg = 1;
470 else if (strcmp(*argv, "-showcerts") == 0)
471 c_showcerts = 1;
472 else if (strcmp(*argv, "-nbio_test") == 0)
473 nbio_test = 1;
474 else if (strcmp(*argv, "-state") == 0)
475 state = 1;
476 else if (strcmp(*argv, "-tls1_2") == 0)
477 meth = TLSv1_2_client_method();
478 else if (strcmp(*argv, "-tls1_1") == 0)
479 meth = TLSv1_1_client_method();
480 else if (strcmp(*argv, "-tls1") == 0)
481 meth = TLSv1_client_method();
482 #ifndef OPENSSL_NO_DTLS1
483 else if (strcmp(*argv, "-dtls1") == 0) {
484 meth = DTLSv1_client_method();
485 socket_type = SOCK_DGRAM;
486 } else if (strcmp(*argv, "-timeout") == 0)
487 enable_timeouts = 1;
488 else if (strcmp(*argv, "-mtu") == 0) {
489 if (--argc < 1)
490 goto bad;
491 socket_mtu = strtonum(*(++argv), 0, LONG_MAX, &errstr);
492 if (errstr)
493 goto bad;
494 }
495 #endif
496 else if (strcmp(*argv, "-bugs") == 0)
497 bugs = 1;
498 else if (strcmp(*argv, "-keyform") == 0) {
499 if (--argc < 1)
500 goto bad;
501 key_format = str2fmt(*(++argv));
502 } else if (strcmp(*argv, "-pass") == 0) {
503 if (--argc < 1)
504 goto bad;
505 passarg = *(++argv);
506 } else if (strcmp(*argv, "-key") == 0) {
507 if (--argc < 1)
508 goto bad;
509 key_file = *(++argv);
510 } else if (strcmp(*argv, "-reconnect") == 0) {
511 reconnect = 5;
512 } else if (strcmp(*argv, "-CApath") == 0) {
513 if (--argc < 1)
514 goto bad;
515 CApath = *(++argv);
516 } else if (strcmp(*argv, "-CAfile") == 0) {
517 if (--argc < 1)
518 goto bad;
519 CAfile = *(++argv);
520 } else if (strcmp(*argv, "-no_tls1_2") == 0)
521 off |= SSL_OP_NO_TLSv1_2;
522 else if (strcmp(*argv, "-no_tls1_1") == 0)
523 off |= SSL_OP_NO_TLSv1_1;
524 else if (strcmp(*argv, "-no_tls1") == 0)
525 off |= SSL_OP_NO_TLSv1;
526 else if (strcmp(*argv, "-no_ssl3") == 0)
527 off |= SSL_OP_NO_SSLv3;
528 else if (strcmp(*argv, "-no_ssl2") == 0)
529 off |= SSL_OP_NO_SSLv2;
530 else if (strcmp(*argv, "-no_comp") == 0) {
531 off |= SSL_OP_NO_COMPRESSION;
532 } else if (strcmp(*argv, "-no_ticket") == 0) {
533 off |= SSL_OP_NO_TICKET;
534 } else if (strcmp(*argv, "-nextprotoneg") == 0) {
535 if (--argc < 1)
536 goto bad;
537 next_proto_neg_in = *(++argv);
538 } else if (strcmp(*argv, "-alpn") == 0) {
539 if (--argc < 1)
540 goto bad;
541 alpn_in = *(++argv);
542 } else if (strcmp(*argv, "-groups") == 0) {
543 if (--argc < 1)
544 goto bad;
545 groups_in = *(++argv);
546 } else if (strcmp(*argv, "-serverpref") == 0)
547 off |= SSL_OP_CIPHER_SERVER_PREFERENCE;
548 else if (strcmp(*argv, "-legacy_renegotiation") == 0)
549 ; /* no-op */
550 else if (strcmp(*argv, "-legacy_server_connect") == 0) {
551 off |= SSL_OP_LEGACY_SERVER_CONNECT;
552 } else if (strcmp(*argv, "-no_legacy_server_connect") == 0) {
553 clr |= SSL_OP_LEGACY_SERVER_CONNECT;
554 } else if (strcmp(*argv, "-cipher") == 0) {
555 if (--argc < 1)
556 goto bad;
557 cipher = *(++argv);
558 }
559 else if (strcmp(*argv, "-nbio") == 0) {
560 c_nbio = 1;
561 }
562 else if (strcmp(*argv, "-starttls") == 0) {
563 if (--argc < 1)
564 goto bad;
565 ++argv;
566 if (strcmp(*argv, "smtp") == 0)
567 starttls_proto = PROTO_SMTP;
568 else if (strcmp(*argv, "lmtp") == 0)
569 starttls_proto = PROTO_LMTP;
570 else if (strcmp(*argv, "pop3") == 0)
571 starttls_proto = PROTO_POP3;
572 else if (strcmp(*argv, "imap") == 0)
573 starttls_proto = PROTO_IMAP;
574 else if (strcmp(*argv, "ftp") == 0)
575 starttls_proto = PROTO_FTP;
576 else if (strcmp(*argv, "xmpp") == 0)
577 starttls_proto = PROTO_XMPP;
578 else
579 goto bad;
580 }
581 else if (strcmp(*argv, "-4") == 0) {
582 af = AF_INET;
583 } else if (strcmp(*argv, "-6") == 0) {
584 af = AF_INET6;
585 }
586 else if (strcmp(*argv, "-servername") == 0) {
587 if (--argc < 1)
588 goto bad;
589 servername = *(++argv);
590 /* meth=TLSv1_client_method(); */
591 }
592 #ifndef OPENSSL_NO_SRTP
593 else if (strcmp(*argv, "-use_srtp") == 0) {
594 if (--argc < 1)
595 goto bad;
596 srtp_profiles = *(++argv);
597 }
598 #endif
599 else if (strcmp(*argv, "-keymatexport") == 0) {
600 if (--argc < 1)
601 goto bad;
602 keymatexportlabel = *(++argv);
603 } else if (strcmp(*argv, "-keymatexportlen") == 0) {
604 if (--argc < 1)
605 goto bad;
606 keymatexportlen = strtonum(*(++argv), 1, INT_MAX, &errstr);
607 if (errstr)
608 goto bad;
609 } else {
610 BIO_printf(bio_err, "unknown option %s\n", *argv);
611 badop = 1;
612 break;
613 }
614 argc--;
615 argv++;
616 }
617 if (proxy != NULL) {
618 if (!extract_host_port(proxy, &host, NULL, &port))
619 goto bad;
620 if (connect == NULL)
621 connect = SSL_HOST_NAME;
622 } else if (connect != NULL) {
623 if (!extract_host_port(connect, &host, NULL, &port))
624 goto bad;
625 }
626 if (badop) {
627 bad:
628 if (errstr)
629 BIO_printf(bio_err, "invalid argument %s: %s\n",
630 *argv, errstr);
631 else
632 sc_usage();
633 goto end;
634 }
635
636 next_proto.status = -1;
637 if (next_proto_neg_in) {
638 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
639 if (next_proto.data == NULL) {
640 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
641 goto end;
642 }
643 } else
644 next_proto.data = NULL;
645
646 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) {
647 BIO_printf(bio_err, "Error getting password\n");
648 goto end;
649 }
650 if (key_file == NULL)
651 key_file = cert_file;
652
653
654 if (key_file) {
655
656 key = load_key(bio_err, key_file, key_format, 0, pass,
657 "client certificate private key file");
658 if (!key) {
659 ERR_print_errors(bio_err);
660 goto end;
661 }
662 }
663 if (cert_file) {
664 cert = load_cert(bio_err, cert_file, cert_format,
665 NULL, "client certificate file");
666
667 if (!cert) {
668 ERR_print_errors(bio_err);
669 goto end;
670 }
671 }
672 if (bio_c_out == NULL) {
673 if (c_quiet && !c_debug && !c_msg) {
674 bio_c_out = BIO_new(BIO_s_null());
675 } else {
676 if (bio_c_out == NULL)
677 bio_c_out = BIO_new_fp(stdout, BIO_NOCLOSE);
678 }
679 }
680
681 ctx = SSL_CTX_new(meth);
682 if (ctx == NULL) {
683 ERR_print_errors(bio_err);
684 goto end;
685 }
686 if (vpm)
687 SSL_CTX_set1_param(ctx, vpm);
688
689 #ifndef OPENSSL_NO_SRTP
690 if (srtp_profiles != NULL)
691 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
692 #endif
693 if (bugs)
694 SSL_CTX_set_options(ctx, SSL_OP_ALL | off);
695 else
696 SSL_CTX_set_options(ctx, off);
697
698 if (clr)
699 SSL_CTX_clear_options(ctx, clr);
700 /*
701 * DTLS: partial reads end up discarding unread UDP bytes :-( Setting
702 * read ahead solves this problem.
703 */
704 if (socket_type == SOCK_DGRAM)
705 SSL_CTX_set_read_ahead(ctx, 1);
706
707 if (next_proto.data)
708 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
709 if (alpn_in) {
710 unsigned short alpn_len;
711 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
712
713 if (alpn == NULL) {
714 BIO_printf(bio_err, "Error parsing -alpn argument\n");
715 goto end;
716 }
717 SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
718 free(alpn);
719 }
720 if (groups_in != NULL) {
721 if (SSL_CTX_set1_groups_list(ctx, groups_in) != 1) {
722 BIO_printf(bio_err, "Failed to set groups '%s'\n",
723 groups_in);
724 goto end;
725 }
726 }
727
728 if (state)
729 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
730 if (cipher != NULL)
731 if (!SSL_CTX_set_cipher_list(ctx, cipher)) {
732 BIO_printf(bio_err, "error setting cipher list\n");
733 ERR_print_errors(bio_err);
734 goto end;
735 }
736
737 SSL_CTX_set_verify(ctx, verify, verify_callback);
738 if (!set_cert_key_stuff(ctx, cert, key))
739 goto end;
740
741 if ((CAfile || CApath)
742 && !SSL_CTX_load_verify_locations(ctx, CAfile, CApath))
743 ERR_print_errors(bio_err);
744
745 if (!SSL_CTX_set_default_verify_paths(ctx))
746 ERR_print_errors(bio_err);
747
748 if (servername != NULL) {
749 tlsextcbp.biodebug = bio_err;
750 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
751 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
752 }
753
754 con = SSL_new(ctx);
755 if (sess_in) {
756 SSL_SESSION *sess;
757 BIO *stmp = BIO_new_file(sess_in, "r");
758 if (!stmp) {
759 BIO_printf(bio_err, "Can't open session file %s\n",
760 sess_in);
761 ERR_print_errors(bio_err);
762 goto end;
763 }
764 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
765 BIO_free(stmp);
766 if (!sess) {
767 BIO_printf(bio_err, "Can't open session file %s\n",
768 sess_in);
769 ERR_print_errors(bio_err);
770 goto end;
771 }
772 SSL_set_session(con, sess);
773 SSL_SESSION_free(sess);
774 }
775 if (servername != NULL) {
776 if (!SSL_set_tlsext_host_name(con, servername)) {
777 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
778 ERR_print_errors(bio_err);
779 goto end;
780 }
781 }
782 /* SSL_set_cipher_list(con,"RC4-MD5"); */
783
784 re_start:
785
786 if (init_client(&s, host, port, socket_type, af) == 0) {
787 BIO_printf(bio_err, "connect:errno=%d\n", errno);
788 goto end;
789 }
790 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
791
792 if (c_nbio) {
793 if (!c_quiet)
794 BIO_printf(bio_c_out, "turning on non blocking io\n");
795 if (!BIO_socket_nbio(s, 1)) {
796 ERR_print_errors(bio_err);
797 goto end;
798 }
799 }
800 if (c_Pause & 0x01)
801 SSL_set_debug(con, 1);
802
803 if (SSL_version(con) == DTLS1_VERSION) {
804
805 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
806 if (getsockname(s, &peer, (void *) &peerlen) < 0) {
807 BIO_printf(bio_err, "getsockname:errno=%d\n",
808 errno);
809 shutdown(s, SHUT_RD);
810 close(s);
811 goto end;
812 }
813 (void) BIO_ctrl_set_connected(sbio, 1, &peer);
814
815 if (enable_timeouts) {
816 timeout.tv_sec = 0;
817 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
818 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
819
820 timeout.tv_sec = 0;
821 timeout.tv_usec = DGRAM_SND_TIMEOUT;
822 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
823 }
824 if (socket_mtu > 28) {
825 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
826 SSL_set_mtu(con, socket_mtu - 28);
827 } else
828 /* want to do MTU discovery */
829 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
830 } else
831 sbio = BIO_new_socket(s, BIO_NOCLOSE);
832
833 if (nbio_test) {
834 BIO *test;
835
836 test = BIO_new(BIO_f_nbio_test());
837 sbio = BIO_push(test, sbio);
838 }
839 if (c_debug) {
840 SSL_set_debug(con, 1);
841 BIO_set_callback(sbio, bio_dump_callback);
842 BIO_set_callback_arg(sbio, (char *) bio_c_out);
843 }
844 if (c_msg) {
845 SSL_set_msg_callback(con, msg_cb);
846 SSL_set_msg_callback_arg(con, bio_c_out);
847 }
848 if (c_tlsextdebug) {
849 SSL_set_tlsext_debug_callback(con, tlsext_cb);
850 SSL_set_tlsext_debug_arg(con, bio_c_out);
851 }
852 if (c_status_req) {
853 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
854 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
855 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
856 }
857
858 SSL_set_bio(con, sbio, sbio);
859 SSL_set_connect_state(con);
860
861 /* ok, lets connect */
862 read_tty = 1;
863 write_tty = 0;
864 tty_on = 0;
865 read_ssl = 1;
866 write_ssl = 1;
867
868 cbuf_len = 0;
869 cbuf_off = 0;
870 sbuf_len = 0;
871 sbuf_off = 0;
872
873 /* This is an ugly hack that does a lot of assumptions */
874 /*
875 * We do have to handle multi-line responses which may come in a
876 * single packet or not. We therefore have to use BIO_gets() which
877 * does need a buffering BIO. So during the initial chitchat we do
878 * push a buffering BIO into the chain that is removed again later on
879 * to not disturb the rest of the s_client operation.
880 */
881 if (starttls_proto == PROTO_SMTP || starttls_proto == PROTO_LMTP) {
882 int foundit = 0;
883 BIO *fbio = BIO_new(BIO_f_buffer());
884 BIO_push(fbio, sbio);
885 /* wait for multi-line response to end from SMTP */
886 do {
887 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
888 }
889 while (mbuf_len > 3 && mbuf[3] == '-');
890 /* STARTTLS command requires EHLO... */
891 BIO_printf(fbio, "%cHLO openssl.client.net\r\n",
892 starttls_proto == PROTO_SMTP ? 'E' : 'L');
893 (void) BIO_flush(fbio);
894 /* wait for multi-line response to end EHLO SMTP response */
895 do {
896 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
897 if (strstr(mbuf, "STARTTLS"))
898 foundit = 1;
899 }
900 while (mbuf_len > 3 && mbuf[3] == '-');
901 (void) BIO_flush(fbio);
902 BIO_pop(fbio);
903 BIO_free(fbio);
904 if (!foundit)
905 BIO_printf(bio_err,
906 "didn't found starttls in server response,"
907 " try anyway...\n");
908 BIO_printf(sbio, "STARTTLS\r\n");
909 BIO_read(sbio, sbuf, BUFSIZZ);
910 } else if (starttls_proto == PROTO_POP3) {
911 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
912 if (mbuf_len == -1) {
913 BIO_printf(bio_err, "BIO_read failed\n");
914 goto end;
915 }
916 BIO_printf(sbio, "STLS\r\n");
917 BIO_read(sbio, sbuf, BUFSIZZ);
918 } else if (starttls_proto == PROTO_IMAP) {
919 int foundit = 0;
920 BIO *fbio = BIO_new(BIO_f_buffer());
921 BIO_push(fbio, sbio);
922 BIO_gets(fbio, mbuf, BUFSIZZ);
923 /* STARTTLS command requires CAPABILITY... */
924 BIO_printf(fbio, ". CAPABILITY\r\n");
925 (void) BIO_flush(fbio);
926 /* wait for multi-line CAPABILITY response */
927 do {
928 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
929 if (strstr(mbuf, "STARTTLS"))
930 foundit = 1;
931 }
932 while (mbuf_len > 3 && mbuf[0] != '.');
933 (void) BIO_flush(fbio);
934 BIO_pop(fbio);
935 BIO_free(fbio);
936 if (!foundit)
937 BIO_printf(bio_err,
938 "didn't found STARTTLS in server response,"
939 " try anyway...\n");
940 BIO_printf(sbio, ". STARTTLS\r\n");
941 BIO_read(sbio, sbuf, BUFSIZZ);
942 } else if (starttls_proto == PROTO_FTP) {
943 BIO *fbio = BIO_new(BIO_f_buffer());
944 BIO_push(fbio, sbio);
945 /* wait for multi-line response to end from FTP */
946 do {
947 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
948 }
949 while (mbuf_len > 3 && mbuf[3] == '-');
950 (void) BIO_flush(fbio);
951 BIO_pop(fbio);
952 BIO_free(fbio);
953 BIO_printf(sbio, "AUTH TLS\r\n");
954 BIO_read(sbio, sbuf, BUFSIZZ);
955 } else if (starttls_proto == PROTO_XMPP) {
956 int seen = 0;
957 BIO_printf(sbio, "<stream:stream "
958 "xmlns:stream='http://etherx.jabber.org/streams' "
959 "xmlns='jabber:client' to='%s' version='1.0'>", xmpphost ? xmpphost : host);
960 seen = BIO_read(sbio, mbuf, BUFSIZZ);
961
962 if (seen <= 0)
963 goto shut;
964
965 mbuf[seen] = 0;
966 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'") &&
967 !strstr(mbuf, "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\"")) {
968 seen = BIO_read(sbio, mbuf, BUFSIZZ);
969
970 if (seen <= 0)
971 goto shut;
972
973 mbuf[seen] = 0;
974 }
975 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
976 seen = BIO_read(sbio, sbuf, BUFSIZZ);
977 sbuf[seen] = 0;
978 if (!strstr(sbuf, "<proceed"))
979 goto shut;
980 mbuf[0] = 0;
981 } else if (proxy != NULL) {
982 BIO_printf(sbio, "CONNECT %s HTTP/1.0\r\n\r\n", connect);
983 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
984 if (mbuf_len == -1) {
985 BIO_printf(bio_err, "BIO_read failed\n");
986 goto end;
987 }
988 }
989 for (;;) {
990 struct pollfd pfd[3]; /* stdin, stdout, socket */
991 int ptimeout = -1;
992
993 if ((SSL_version(con) == DTLS1_VERSION) &&
994 DTLSv1_get_timeout(con, &timeout))
995 ptimeout = timeout.tv_sec * 1000 + timeout.tv_usec / 1000;
996
997 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
998 in_init = 1;
999 tty_on = 0;
1000 } else {
1001 tty_on = 1;
1002 if (in_init) {
1003 in_init = 0;
1004 if (sess_out) {
1005 BIO *stmp = BIO_new_file(sess_out, "w");
1006 if (stmp) {
1007 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1008 BIO_free(stmp);
1009 } else
1010 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1011 }
1012 print_stuff(bio_c_out, con, full_log);
1013 if (full_log > 0)
1014 full_log--;
1015
1016 if (starttls_proto) {
1017 BIO_write(bio_err, mbuf, mbuf_len);
1018 /* We don't need to know any more */
1019 starttls_proto = PROTO_OFF;
1020 }
1021 if (reconnect) {
1022 reconnect--;
1023 BIO_printf(bio_c_out, "drop connection and then reconnect\n");
1024 SSL_shutdown(con);
1025 SSL_set_connect_state(con);
1026 shutdown(SSL_get_fd(con), SHUT_RD);
1027 close(SSL_get_fd(con));
1028 goto re_start;
1029 }
1030 }
1031 }
1032
1033 ssl_pending = read_ssl && SSL_pending(con);
1034
1035 pfd[0].fd = -1;
1036 pfd[1].fd = -1;
1037 if (!ssl_pending) {
1038 if (tty_on) {
1039 if (read_tty) {
1040 pfd[0].fd = fileno(stdin);
1041 pfd[0].events = POLLIN;
1042 }
1043 if (write_tty) {
1044 pfd[1].fd = fileno(stdout);
1045 pfd[1].events = POLLOUT;
1046 }
1047 }
1048
1049 pfd[2].fd = SSL_get_fd(con);
1050 pfd[2].events = 0;
1051 if (read_ssl)
1052 pfd[2].events |= POLLIN;
1053 if (write_ssl)
1054 pfd[2].events |= POLLOUT;
1055
1056 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1057 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1058
1059 i = poll(pfd, 3, ptimeout);
1060 if (i < 0) {
1061 BIO_printf(bio_err, "bad select %d\n",
1062 errno);
1063 goto shut;
1064 /* goto end; */
1065 }
1066 }
1067 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) {
1068 BIO_printf(bio_err, "TIMEOUT occured\n");
1069 }
1070 if (!ssl_pending && (pfd[2].revents & (POLLOUT|POLLERR|POLLNVAL))) {
1071 if (pfd[2].revents & (POLLERR|POLLNVAL)) {
1072 BIO_printf(bio_err, "poll error");
1073 goto shut;
1074 }
1075 k = SSL_write(con, &(cbuf[cbuf_off]),
1076 (unsigned int) cbuf_len);
1077 switch (SSL_get_error(con, k)) {
1078 case SSL_ERROR_NONE:
1079 cbuf_off += k;
1080 cbuf_len -= k;
1081 if (k <= 0)
1082 goto end;
1083 /* we have done a write(con,NULL,0); */
1084 if (cbuf_len <= 0) {
1085 read_tty = 1;
1086 write_ssl = 0;
1087 } else { /* if (cbuf_len > 0) */
1088 read_tty = 0;
1089 write_ssl = 1;
1090 }
1091 break;
1092 case SSL_ERROR_WANT_WRITE:
1093 BIO_printf(bio_c_out, "write W BLOCK\n");
1094 write_ssl = 1;
1095 read_tty = 0;
1096 break;
1097 case SSL_ERROR_WANT_READ:
1098 BIO_printf(bio_c_out, "write R BLOCK\n");
1099 write_tty = 0;
1100 read_ssl = 1;
1101 write_ssl = 0;
1102 break;
1103 case SSL_ERROR_WANT_X509_LOOKUP:
1104 BIO_printf(bio_c_out, "write X BLOCK\n");
1105 break;
1106 case SSL_ERROR_ZERO_RETURN:
1107 if (cbuf_len != 0) {
1108 BIO_printf(bio_c_out, "shutdown\n");
1109 ret = 0;
1110 goto shut;
1111 } else {
1112 read_tty = 1;
1113 write_ssl = 0;
1114 break;
1115 }
1116
1117 case SSL_ERROR_SYSCALL:
1118 if ((k != 0) || (cbuf_len != 0)) {
1119 BIO_printf(bio_err, "write:errno=%d\n",
1120 errno);
1121 goto shut;
1122 } else {
1123 read_tty = 1;
1124 write_ssl = 0;
1125 }
1126 break;
1127 case SSL_ERROR_SSL:
1128 ERR_print_errors(bio_err);
1129 goto shut;
1130 }
1131 } else if (!ssl_pending &&
1132 (pfd[1].revents & (POLLOUT|POLLERR|POLLNVAL))) {
1133 if (pfd[1].revents & (POLLERR|POLLNVAL)) {
1134 BIO_printf(bio_err, "poll error");
1135 goto shut;
1136 }
1137 i = write(fileno(stdout), &(sbuf[sbuf_off]), sbuf_len);
1138
1139 if (i <= 0) {
1140 BIO_printf(bio_c_out, "DONE\n");
1141 ret = 0;
1142 goto shut;
1143 /* goto end; */
1144 }
1145 sbuf_len -= i;
1146 sbuf_off += i;
1147 if (sbuf_len <= 0) {
1148 read_ssl = 1;
1149 write_tty = 0;
1150 }
1151 } else if (ssl_pending || (pfd[2].revents & (POLLIN|POLLHUP))) {
1152 #ifdef RENEG
1153 {
1154 static int iiii;
1155 if (++iiii == 52) {
1156 SSL_renegotiate(con);
1157 iiii = 0;
1158 }
1159 }
1160 #endif
1161 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
1162
1163 switch (SSL_get_error(con, k)) {
1164 case SSL_ERROR_NONE:
1165 if (k <= 0)
1166 goto end;
1167 sbuf_off = 0;
1168 sbuf_len = k;
1169
1170 read_ssl = 0;
1171 write_tty = 1;
1172 break;
1173 case SSL_ERROR_WANT_WRITE:
1174 BIO_printf(bio_c_out, "read W BLOCK\n");
1175 write_ssl = 1;
1176 read_tty = 0;
1177 break;
1178 case SSL_ERROR_WANT_READ:
1179 BIO_printf(bio_c_out, "read R BLOCK\n");
1180 write_tty = 0;
1181 read_ssl = 1;
1182 if ((read_tty == 0) && (write_ssl == 0))
1183 write_ssl = 1;
1184 break;
1185 case SSL_ERROR_WANT_X509_LOOKUP:
1186 BIO_printf(bio_c_out, "read X BLOCK\n");
1187 break;
1188 case SSL_ERROR_SYSCALL:
1189 ret = errno;
1190 BIO_printf(bio_err, "read:errno=%d\n", ret);
1191 goto shut;
1192 case SSL_ERROR_ZERO_RETURN:
1193 BIO_printf(bio_c_out, "closed\n");
1194 ret = 0;
1195 goto shut;
1196 case SSL_ERROR_SSL:
1197 ERR_print_errors(bio_err);
1198 goto shut;
1199 /* break; */
1200 }
1201 } else if (pfd[0].revents) {
1202 if (pfd[0].revents & (POLLERR|POLLNVAL)) {
1203 BIO_printf(bio_err, "poll error");
1204 goto shut;
1205 }
1206 if (crlf) {
1207 int j, lf_num;
1208
1209 i = read(fileno(stdin), cbuf, BUFSIZZ / 2);
1210 lf_num = 0;
1211 /* both loops are skipped when i <= 0 */
1212 for (j = 0; j < i; j++)
1213 if (cbuf[j] == '\n')
1214 lf_num++;
1215 for (j = i - 1; j >= 0; j--) {
1216 cbuf[j + lf_num] = cbuf[j];
1217 if (cbuf[j] == '\n') {
1218 lf_num--;
1219 i++;
1220 cbuf[j + lf_num] = '\r';
1221 }
1222 }
1223 assert(lf_num == 0);
1224 } else
1225 i = read(fileno(stdin), cbuf, BUFSIZZ);
1226
1227 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) {
1228 BIO_printf(bio_err, "DONE\n");
1229 ret = 0;
1230 goto shut;
1231 }
1232 if ((!c_ign_eof) && (cbuf[0] == 'R')) {
1233 BIO_printf(bio_err, "RENEGOTIATING\n");
1234 SSL_renegotiate(con);
1235 cbuf_len = 0;
1236 } else {
1237 cbuf_len = i;
1238 cbuf_off = 0;
1239 }
1240
1241 write_ssl = 1;
1242 read_tty = 0;
1243 }
1244 }
1245
1246 ret = 0;
1247 shut:
1248 if (in_init)
1249 print_stuff(bio_c_out, con, full_log);
1250 SSL_shutdown(con);
1251 shutdown(SSL_get_fd(con), SHUT_RD);
1252 close(SSL_get_fd(con));
1253 end:
1254 if (con != NULL) {
1255 if (prexit != 0)
1256 print_stuff(bio_c_out, con, 1);
1257 SSL_free(con);
1258 }
1259 free(next_proto.data);
1260 if (ctx != NULL)
1261 SSL_CTX_free(ctx);
1262 if (cert)
1263 X509_free(cert);
1264 if (key)
1265 EVP_PKEY_free(key);
1266 free(pass);
1267 if (vpm)
1268 X509_VERIFY_PARAM_free(vpm);
1269 if (cbuf != NULL) {
1270 explicit_bzero(cbuf, BUFSIZZ);
1271 free(cbuf);
1272 }
1273 if (sbuf != NULL) {
1274 explicit_bzero(sbuf, BUFSIZZ);
1275 free(sbuf);
1276 }
1277 if (mbuf != NULL) {
1278 explicit_bzero(mbuf, BUFSIZZ);
1279 free(mbuf);
1280 }
1281 if (bio_c_out != NULL) {
1282 BIO_free(bio_c_out);
1283 bio_c_out = NULL;
1284 }
1285
1286 return (ret);
1287 }
1288
1289
1290 static void
1291 print_stuff(BIO * bio, SSL * s, int full)
1292 {
1293 X509 *peer = NULL;
1294 char *p;
1295 static const char *space = " ";
1296 char buf[BUFSIZ];
1297 STACK_OF(X509) * sk;
1298 STACK_OF(X509_NAME) * sk2;
1299 const SSL_CIPHER *c;
1300 X509_NAME *xn;
1301 int j, i;
1302 unsigned char *exportedkeymat;
1303
1304 if (full) {
1305 int got_a_chain = 0;
1306
1307 sk = SSL_get_peer_cert_chain(s);
1308 if (sk != NULL) {
1309 got_a_chain = 1; /* we don't have it for SSL2
1310 * (yet) */
1311
1312 BIO_printf(bio, "---\nCertificate chain\n");
1313 for (i = 0; i < sk_X509_num(sk); i++) {
1314 X509_NAME_oneline(X509_get_subject_name(
1315 sk_X509_value(sk, i)), buf, sizeof buf);
1316 BIO_printf(bio, "%2d s:%s\n", i, buf);
1317 X509_NAME_oneline(X509_get_issuer_name(
1318 sk_X509_value(sk, i)), buf, sizeof buf);
1319 BIO_printf(bio, " i:%s\n", buf);
1320 if (c_showcerts)
1321 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
1322 }
1323 }
1324 BIO_printf(bio, "---\n");
1325 peer = SSL_get_peer_certificate(s);
1326 if (peer != NULL) {
1327 BIO_printf(bio, "Server certificate\n");
1328 if (!(c_showcerts && got_a_chain)) /* Redundant if we
1329 * showed the whole
1330 * chain */
1331 PEM_write_bio_X509(bio, peer);
1332 X509_NAME_oneline(X509_get_subject_name(peer),
1333 buf, sizeof buf);
1334 BIO_printf(bio, "subject=%s\n", buf);
1335 X509_NAME_oneline(X509_get_issuer_name(peer),
1336 buf, sizeof buf);
1337 BIO_printf(bio, "issuer=%s\n", buf);
1338 } else
1339 BIO_printf(bio, "no peer certificate available\n");
1340
1341 sk2 = SSL_get_client_CA_list(s);
1342 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
1343 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
1344 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
1345 xn = sk_X509_NAME_value(sk2, i);
1346 X509_NAME_oneline(xn, buf, sizeof(buf));
1347 BIO_write(bio, buf, strlen(buf));
1348 BIO_write(bio, "\n", 1);
1349 }
1350 } else {
1351 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
1352 }
1353 p = SSL_get_shared_ciphers(s, buf, sizeof buf);
1354 if (p != NULL) {
1355 /*
1356 * This works only for SSL 2. In later protocol
1357 * versions, the client does not know what other
1358 * ciphers (in addition to the one to be used in the
1359 * current connection) the server supports.
1360 */
1361
1362 BIO_printf(bio, "---\nCiphers common between both SSL endpoints:\n");
1363 j = i = 0;
1364 while (*p) {
1365 if (*p == ':') {
1366 BIO_write(bio, space, 15 - j % 25);
1367 i++;
1368 j = 0;
1369 BIO_write(bio, ((i % 3) ? " " : "\n"), 1);
1370 } else {
1371 BIO_write(bio, p, 1);
1372 j++;
1373 }
1374 p++;
1375 }
1376 BIO_write(bio, "\n", 1);
1377 }
1378
1379 ssl_print_tmp_key(bio, s);
1380
1381 BIO_printf(bio, "---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1382 BIO_number_read(SSL_get_rbio(s)),
1383 BIO_number_written(SSL_get_wbio(s)));
1384 }
1385 BIO_printf(bio, (SSL_cache_hit(s) ? "---\nReused, " : "---\nNew, "));
1386 c = SSL_get_current_cipher(s);
1387 BIO_printf(bio, "%s, Cipher is %s\n",
1388 SSL_CIPHER_get_version(c),
1389 SSL_CIPHER_get_name(c));
1390 if (peer != NULL) {
1391 EVP_PKEY *pktmp;
1392 pktmp = X509_get_pubkey(peer);
1393 BIO_printf(bio, "Server public key is %d bit\n",
1394 EVP_PKEY_bits(pktmp));
1395 EVP_PKEY_free(pktmp);
1396 }
1397 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
1398 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
1399
1400 /* Compression is not supported and will always be none. */
1401 BIO_printf(bio, "Compression: NONE\n");
1402 BIO_printf(bio, "Expansion: NONE\n");
1403
1404 #ifdef SSL_DEBUG
1405 {
1406 /* Print out local port of connection: useful for debugging */
1407 int sock;
1408 struct sockaddr_in ladd;
1409 socklen_t ladd_size = sizeof(ladd);
1410 sock = SSL_get_fd(s);
1411 getsockname(sock, (struct sockaddr *) & ladd, &ladd_size);
1412 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
1413 }
1414 #endif
1415
1416 if (next_proto.status != -1) {
1417 const unsigned char *proto;
1418 unsigned int proto_len;
1419 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
1420 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
1421 BIO_write(bio, proto, proto_len);
1422 BIO_write(bio, "\n", 1);
1423 }
1424 {
1425 const unsigned char *proto;
1426 unsigned int proto_len;
1427 SSL_get0_alpn_selected(s, &proto, &proto_len);
1428 if (proto_len > 0) {
1429 BIO_printf(bio, "ALPN protocol: ");
1430 BIO_write(bio, proto, proto_len);
1431 BIO_write(bio, "\n", 1);
1432 } else
1433 BIO_printf(bio, "No ALPN negotiated\n");
1434 }
1435
1436 #ifndef OPENSSL_NO_SRTP
1437 {
1438 SRTP_PROTECTION_PROFILE *srtp_profile = SSL_get_selected_srtp_profile(s);
1439
1440 if (srtp_profile)
1441 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
1442 srtp_profile->name);
1443 }
1444 #endif
1445
1446 SSL_SESSION_print(bio, SSL_get_session(s));
1447 if (keymatexportlabel != NULL) {
1448 BIO_printf(bio, "Keying material exporter:\n");
1449 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
1450 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
1451 exportedkeymat = malloc(keymatexportlen);
1452 if (exportedkeymat != NULL) {
1453 if (!SSL_export_keying_material(s, exportedkeymat,
1454 keymatexportlen,
1455 keymatexportlabel,
1456 strlen(keymatexportlabel),
1457 NULL, 0, 0)) {
1458 BIO_printf(bio, " Error\n");
1459 } else {
1460 BIO_printf(bio, " Keying material: ");
1461 for (i = 0; i < keymatexportlen; i++)
1462 BIO_printf(bio, "%02X",
1463 exportedkeymat[i]);
1464 BIO_printf(bio, "\n");
1465 }
1466 free(exportedkeymat);
1467 }
1468 }
1469 BIO_printf(bio, "---\n");
1470 if (peer != NULL)
1471 X509_free(peer);
1472 /* flush, or debugging output gets mixed with http response */
1473 (void) BIO_flush(bio);
1474 }
1475
1476
1477 static int
1478 ocsp_resp_cb(SSL * s, void *arg)
1479 {
1480 const unsigned char *p;
1481 int len;
1482 OCSP_RESPONSE *rsp;
1483 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
1484 BIO_puts(arg, "OCSP response: ");
1485 if (!p) {
1486 BIO_puts(arg, "no response sent\n");
1487 return 1;
1488 }
1489 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
1490 if (!rsp) {
1491 BIO_puts(arg, "response parse error\n");
1492 BIO_dump_indent(arg, (char *) p, len, 4);
1493 return 0;
1494 }
1495 BIO_puts(arg, "\n======================================\n");
1496 OCSP_RESPONSE_print(arg, rsp, 0);
1497 BIO_puts(arg, "======================================\n");
1498 OCSP_RESPONSE_free(rsp);
1499 return 1;
1500 }
1501
unleashed repo fork