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1.42 ! jsing 1: /* $OpenBSD: s_client.c,v 1.41 2020/01/23 03:35:54 beck Exp $ */
1.1 jsing 2: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3: * All rights reserved.
4: *
5: * This package is an SSL implementation written
6: * by Eric Young (eay@cryptsoft.com).
7: * The implementation was written so as to conform with Netscapes SSL.
8: *
9: * This library is free for commercial and non-commercial use as long as
10: * the following conditions are aheared to. The following conditions
11: * apply to all code found in this distribution, be it the RC4, RSA,
12: * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13: * included with this distribution is covered by the same copyright terms
14: * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15: *
16: * Copyright remains Eric Young's, and as such any Copyright notices in
17: * the code are not to be removed.
18: * If this package is used in a product, Eric Young should be given attribution
19: * as the author of the parts of the library used.
20: * This can be in the form of a textual message at program startup or
21: * in documentation (online or textual) provided with the package.
22: *
23: * Redistribution and use in source and binary forms, with or without
24: * modification, are permitted provided that the following conditions
25: * are met:
26: * 1. Redistributions of source code must retain the copyright
27: * notice, this list of conditions and the following disclaimer.
28: * 2. Redistributions in binary form must reproduce the above copyright
29: * notice, this list of conditions and the following disclaimer in the
30: * documentation and/or other materials provided with the distribution.
31: * 3. All advertising materials mentioning features or use of this software
32: * must display the following acknowledgement:
33: * "This product includes cryptographic software written by
34: * Eric Young (eay@cryptsoft.com)"
35: * The word 'cryptographic' can be left out if the rouines from the library
36: * being used are not cryptographic related :-).
37: * 4. If you include any Windows specific code (or a derivative thereof) from
38: * the apps directory (application code) you must include an acknowledgement:
39: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40: *
41: * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51: * SUCH DAMAGE.
52: *
53: * The licence and distribution terms for any publically available version or
54: * derivative of this code cannot be changed. i.e. this code cannot simply be
55: * copied and put under another distribution licence
56: * [including the GNU Public Licence.]
57: */
58: /* ====================================================================
59: * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
60: *
61: * Redistribution and use in source and binary forms, with or without
62: * modification, are permitted provided that the following conditions
63: * are met:
64: *
65: * 1. Redistributions of source code must retain the above copyright
66: * notice, this list of conditions and the following disclaimer.
67: *
68: * 2. Redistributions in binary form must reproduce the above copyright
69: * notice, this list of conditions and the following disclaimer in
70: * the documentation and/or other materials provided with the
71: * distribution.
72: *
73: * 3. All advertising materials mentioning features or use of this
74: * software must display the following acknowledgment:
75: * "This product includes software developed by the OpenSSL Project
76: * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77: *
78: * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79: * endorse or promote products derived from this software without
80: * prior written permission. For written permission, please contact
81: * openssl-core@openssl.org.
82: *
83: * 5. Products derived from this software may not be called "OpenSSL"
84: * nor may "OpenSSL" appear in their names without prior written
85: * permission of the OpenSSL Project.
86: *
87: * 6. Redistributions of any form whatsoever must retain the following
88: * acknowledgment:
89: * "This product includes software developed by the OpenSSL Project
90: * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91: *
92: * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93: * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99: * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103: * OF THE POSSIBILITY OF SUCH DAMAGE.
104: * ====================================================================
105: *
106: * This product includes cryptographic software written by Eric Young
107: * (eay@cryptsoft.com). This product includes software written by Tim
108: * Hudson (tjh@cryptsoft.com).
109: *
110: */
111: /* ====================================================================
112: * Copyright 2005 Nokia. All rights reserved.
113: *
114: * The portions of the attached software ("Contribution") is developed by
115: * Nokia Corporation and is licensed pursuant to the OpenSSL open source
116: * license.
117: *
118: * The Contribution, originally written by Mika Kousa and Pasi Eronen of
119: * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
120: * support (see RFC 4279) to OpenSSL.
121: *
122: * No patent licenses or other rights except those expressly stated in
123: * the OpenSSL open source license shall be deemed granted or received
124: * expressly, by implication, estoppel, or otherwise.
125: *
126: * No assurances are provided by Nokia that the Contribution does not
127: * infringe the patent or other intellectual property rights of any third
128: * party or that the license provides you with all the necessary rights
129: * to make use of the Contribution.
130: *
131: * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
132: * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
133: * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
134: * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
135: * OTHERWISE.
136: */
137:
138: #include <sys/types.h>
139: #include <sys/socket.h>
140:
141: #include <netinet/in.h>
142:
143: #include <assert.h>
144: #include <ctype.h>
145: #include <limits.h>
146: #include <netdb.h>
147: #include <stdio.h>
148: #include <stdlib.h>
149: #include <string.h>
150: #include <unistd.h>
1.9 deraadt 151: #include <poll.h>
1.1 jsing 152:
153: #include "apps.h"
154:
155: #include <openssl/bn.h>
156: #include <openssl/err.h>
157: #include <openssl/ocsp.h>
158: #include <openssl/pem.h>
159: #include <openssl/ssl.h>
160: #include <openssl/x509.h>
161:
162: #include "s_apps.h"
163: #include "timeouts.h"
164:
165: /*#define SSL_HOST_NAME "www.netscape.com" */
166: /*#define SSL_HOST_NAME "193.118.187.102" */
167: #define SSL_HOST_NAME "localhost"
168:
169: /*#define TEST_CERT "client.pem" *//* no default cert. */
170:
171: #define BUFSIZZ 1024*8
172:
173: static 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);
1.12 bluhm 202: BIO_printf(bio_err, " -proxy host:port - connect to http proxy\n");
1.1 jsing 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");
1.42 ! jsing 225: BIO_printf(bio_err, " -tls1_3 - just use TLSv1.3\n");
1.1 jsing 226: BIO_printf(bio_err, " -tls1_2 - just use TLSv1.2\n");
227: BIO_printf(bio_err, " -tls1_1 - just use TLSv1.1\n");
228: BIO_printf(bio_err, " -tls1 - just use TLSv1\n");
229: BIO_printf(bio_err, " -dtls1 - just use DTLSv1\n");
230: BIO_printf(bio_err, " -mtu - set the link layer MTU\n");
1.42 ! jsing 231: BIO_printf(bio_err, " -no_tls1_3/-no_tls1_2/-no_tls1_1/-no_tls1 - turn off that protocol\n");
1.1 jsing 232: BIO_printf(bio_err, " -bugs - Switch on all SSL implementation bug workarounds\n");
233: BIO_printf(bio_err, " -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
234: BIO_printf(bio_err, " command to see what is available\n");
235: BIO_printf(bio_err, " -starttls prot - use the STARTTLS command before starting TLS\n");
236: BIO_printf(bio_err, " for those protocols that support it, where\n");
237: BIO_printf(bio_err, " 'prot' defines which one to assume. Currently,\n");
238: BIO_printf(bio_err, " only \"smtp\", \"lmtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
239: BIO_printf(bio_err, " are supported.\n");
1.15 landry 240: BIO_printf(bio_err, " -xmpphost host - connect to this virtual host on the xmpp server\n");
1.1 jsing 241: BIO_printf(bio_err, " -sess_out arg - file to write SSL session to\n");
242: BIO_printf(bio_err, " -sess_in arg - file to read SSL session from\n");
243: BIO_printf(bio_err, " -servername host - Set TLS extension servername in ClientHello\n");
244: BIO_printf(bio_err, " -tlsextdebug - hex dump of all TLS extensions received\n");
245: BIO_printf(bio_err, " -status - request certificate status from server\n");
246: BIO_printf(bio_err, " -no_ticket - disable use of RFC4507bis session tickets\n");
1.10 jsing 247: BIO_printf(bio_err, " -alpn arg - enable ALPN extension, considering named protocols supported (comma-separated list)\n");
1.31 jsing 248: BIO_printf(bio_err, " -groups arg - specify EC curve groups (colon-separated list)\n");
1.1 jsing 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: enum {
282: PROTO_OFF = 0,
283: PROTO_SMTP,
284: PROTO_LMTP,
285: PROTO_POP3,
286: PROTO_IMAP,
287: PROTO_FTP,
288: PROTO_XMPP
289: };
290:
291: int
292: s_client_main(int argc, char **argv)
293: {
294: unsigned int off = 0, clr = 0;
295: SSL *con = NULL;
1.41 beck 296: int s, k, p, pending, state = 0, af = AF_UNSPEC;
1.39 beck 297: char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL, *pbuf = NULL;
1.1 jsing 298: int cbuf_len, cbuf_off;
299: int sbuf_len, sbuf_off;
1.39 beck 300: int pbuf_len, pbuf_off;
1.1 jsing 301: char *port = PORT_STR;
302: int full_log = 1;
303: char *host = SSL_HOST_NAME;
1.15 landry 304: char *xmpphost = NULL;
1.12 bluhm 305: char *proxy = NULL, *connect = NULL;
1.1 jsing 306: char *cert_file = NULL, *key_file = NULL;
307: int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
308: char *passarg = NULL, *pass = NULL;
309: X509 *cert = NULL;
310: EVP_PKEY *key = NULL;
311: char *CApath = NULL, *CAfile = NULL, *cipher = NULL;
312: int reconnect = 0, badop = 0, verify = SSL_VERIFY_NONE, bugs = 0;
313: int crlf = 0;
314: int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
315: SSL_CTX *ctx = NULL;
316: int ret = 1, in_init = 1, i, nbio_test = 0;
317: int starttls_proto = PROTO_OFF;
318: int prexit = 0;
1.39 beck 319: int peekaboo = 0;
1.1 jsing 320: X509_VERIFY_PARAM *vpm = NULL;
321: int badarg = 0;
322: const SSL_METHOD *meth = NULL;
323: int socket_type = SOCK_STREAM;
324: BIO *sbio;
325: int mbuf_len = 0;
1.9 deraadt 326: struct timeval timeout;
1.1 jsing 327: const char *errstr = NULL;
328: char *servername = NULL;
1.33 jsing 329: tlsextctx tlsextcbp = {NULL, 0};
1.10 jsing 330: const char *alpn_in = NULL;
1.31 jsing 331: const char *groups_in = NULL;
1.1 jsing 332: char *sess_in = NULL;
333: char *sess_out = NULL;
334: struct sockaddr peer;
335: int peerlen = sizeof(peer);
336: int enable_timeouts = 0;
337: long socket_mtu = 0;
1.42 ! jsing 338: uint16_t min_version = 0, max_version = 0;
1.21 doug 339:
340: if (single_execution) {
1.30 deraadt 341: if (pledge("stdio cpath wpath rpath inet dns tty", NULL) == -1) {
1.21 doug 342: perror("pledge");
1.23 doug 343: exit(1);
344: }
1.21 doug 345: }
1.1 jsing 346:
1.42 ! jsing 347: meth = TLS_client_method();
1.1 jsing 348:
349: c_Pause = 0;
350: c_quiet = 0;
351: c_ign_eof = 0;
352: c_debug = 0;
353: c_msg = 0;
354: c_showcerts = 0;
355:
356: if (((cbuf = malloc(BUFSIZZ)) == NULL) ||
357: ((sbuf = malloc(BUFSIZZ)) == NULL) ||
1.39 beck 358: ((pbuf = malloc(BUFSIZZ)) == NULL) ||
1.1 jsing 359: ((mbuf = malloc(BUFSIZZ + 1)) == NULL)) { /* NUL byte */
360: BIO_printf(bio_err, "out of memory\n");
361: goto end;
362: }
363: verify_depth = 0;
364: c_nbio = 0;
365:
366: argc--;
367: argv++;
368: while (argc >= 1) {
369: if (strcmp(*argv, "-host") == 0) {
370: if (--argc < 1)
371: goto bad;
372: host = *(++argv);
373: } else if (strcmp(*argv, "-port") == 0) {
374: if (--argc < 1)
375: goto bad;
376: port = *(++argv);
377: if (port == NULL || *port == '\0')
378: goto bad;
379: } else if (strcmp(*argv, "-connect") == 0) {
380: if (--argc < 1)
381: goto bad;
1.12 bluhm 382: connect = *(++argv);
383: } else if (strcmp(*argv, "-proxy") == 0) {
384: if (--argc < 1)
1.1 jsing 385: goto bad;
1.12 bluhm 386: proxy = *(++argv);
1.15 landry 387: } else if (strcmp(*argv,"-xmpphost") == 0) {
388: if (--argc < 1)
389: goto bad;
390: xmpphost= *(++argv);
1.1 jsing 391: } else if (strcmp(*argv, "-verify") == 0) {
392: verify = SSL_VERIFY_PEER;
393: if (--argc < 1)
394: goto bad;
395: verify_depth = strtonum(*(++argv), 0, INT_MAX, &errstr);
396: if (errstr)
397: goto bad;
398: BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
399: } else if (strcmp(*argv, "-cert") == 0) {
400: if (--argc < 1)
401: goto bad;
402: cert_file = *(++argv);
403: } else if (strcmp(*argv, "-sess_out") == 0) {
404: if (--argc < 1)
405: goto bad;
406: sess_out = *(++argv);
407: } else if (strcmp(*argv, "-sess_in") == 0) {
408: if (--argc < 1)
409: goto bad;
410: sess_in = *(++argv);
411: } else if (strcmp(*argv, "-certform") == 0) {
412: if (--argc < 1)
413: goto bad;
414: cert_format = str2fmt(*(++argv));
415: } else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
416: if (badarg)
417: goto bad;
418: continue;
419: } else if (strcmp(*argv, "-verify_return_error") == 0)
420: verify_return_error = 1;
421: else if (strcmp(*argv, "-prexit") == 0)
422: prexit = 1;
1.39 beck 423: else if (strcmp(*argv, "-peekaboo") == 0)
424: peekaboo = 1;
1.1 jsing 425: else if (strcmp(*argv, "-crlf") == 0)
426: crlf = 1;
427: else if (strcmp(*argv, "-quiet") == 0) {
428: c_quiet = 1;
429: c_ign_eof = 1;
430: } else if (strcmp(*argv, "-ign_eof") == 0)
431: c_ign_eof = 1;
432: else if (strcmp(*argv, "-no_ign_eof") == 0)
433: c_ign_eof = 0;
434: else if (strcmp(*argv, "-pause") == 0)
435: c_Pause = 1;
436: else if (strcmp(*argv, "-debug") == 0)
437: c_debug = 1;
438: else if (strcmp(*argv, "-tlsextdebug") == 0)
439: c_tlsextdebug = 1;
440: else if (strcmp(*argv, "-status") == 0)
441: c_status_req = 1;
442: else if (strcmp(*argv, "-msg") == 0)
443: c_msg = 1;
444: else if (strcmp(*argv, "-showcerts") == 0)
445: c_showcerts = 1;
446: else if (strcmp(*argv, "-nbio_test") == 0)
447: nbio_test = 1;
448: else if (strcmp(*argv, "-state") == 0)
449: state = 1;
1.42 ! jsing 450: else if (strcmp(*argv, "-tls1_3") == 0) {
! 451: min_version = TLS1_3_VERSION;
! 452: max_version = TLS1_3_VERSION;
! 453: } else if (strcmp(*argv, "-tls1_2") == 0) {
! 454: min_version = TLS1_2_VERSION;
! 455: max_version = TLS1_2_VERSION;
! 456: } else if (strcmp(*argv, "-tls1_1") == 0) {
! 457: min_version = TLS1_1_VERSION;
! 458: max_version = TLS1_1_VERSION;
! 459: } else if (strcmp(*argv, "-tls1") == 0) {
! 460: min_version = TLS1_VERSION;
! 461: max_version = TLS1_VERSION;
1.1 jsing 462: #ifndef OPENSSL_NO_DTLS1
1.42 ! jsing 463: } else if (strcmp(*argv, "-dtls1") == 0) {
! 464: meth = DTLS_client_method();
1.1 jsing 465: socket_type = SOCK_DGRAM;
466: } else if (strcmp(*argv, "-timeout") == 0)
467: enable_timeouts = 1;
468: else if (strcmp(*argv, "-mtu") == 0) {
469: if (--argc < 1)
470: goto bad;
471: socket_mtu = strtonum(*(++argv), 0, LONG_MAX, &errstr);
472: if (errstr)
473: goto bad;
474: }
475: #endif
476: else if (strcmp(*argv, "-bugs") == 0)
477: bugs = 1;
478: else if (strcmp(*argv, "-keyform") == 0) {
479: if (--argc < 1)
480: goto bad;
481: key_format = str2fmt(*(++argv));
482: } else if (strcmp(*argv, "-pass") == 0) {
483: if (--argc < 1)
484: goto bad;
485: passarg = *(++argv);
486: } else if (strcmp(*argv, "-key") == 0) {
487: if (--argc < 1)
488: goto bad;
489: key_file = *(++argv);
490: } else if (strcmp(*argv, "-reconnect") == 0) {
491: reconnect = 5;
492: } else if (strcmp(*argv, "-CApath") == 0) {
493: if (--argc < 1)
494: goto bad;
495: CApath = *(++argv);
496: } else if (strcmp(*argv, "-CAfile") == 0) {
497: if (--argc < 1)
498: goto bad;
499: CAfile = *(++argv);
1.42 ! jsing 500: } else if (strcmp(*argv, "-no_tls1_3") == 0)
! 501: off |= SSL_OP_NO_TLSv1_3;
! 502: else if (strcmp(*argv, "-no_tls1_2") == 0)
1.1 jsing 503: off |= SSL_OP_NO_TLSv1_2;
504: else if (strcmp(*argv, "-no_tls1_1") == 0)
505: off |= SSL_OP_NO_TLSv1_1;
506: else if (strcmp(*argv, "-no_tls1") == 0)
507: off |= SSL_OP_NO_TLSv1;
508: else if (strcmp(*argv, "-no_ssl3") == 0)
509: off |= SSL_OP_NO_SSLv3;
510: else if (strcmp(*argv, "-no_ssl2") == 0)
511: off |= SSL_OP_NO_SSLv2;
512: else if (strcmp(*argv, "-no_comp") == 0) {
513: off |= SSL_OP_NO_COMPRESSION;
1.31 jsing 514: } else if (strcmp(*argv, "-no_ticket") == 0) {
1.1 jsing 515: off |= SSL_OP_NO_TICKET;
1.31 jsing 516: } else if (strcmp(*argv, "-nextprotoneg") == 0) {
1.33 jsing 517: /* Ignored. */
1.1 jsing 518: if (--argc < 1)
519: goto bad;
1.33 jsing 520: ++argv;
1.31 jsing 521: } else if (strcmp(*argv, "-alpn") == 0) {
1.10 jsing 522: if (--argc < 1)
523: goto bad;
524: alpn_in = *(++argv);
1.31 jsing 525: } else if (strcmp(*argv, "-groups") == 0) {
526: if (--argc < 1)
527: goto bad;
528: groups_in = *(++argv);
1.10 jsing 529: } else if (strcmp(*argv, "-serverpref") == 0)
1.1 jsing 530: off |= SSL_OP_CIPHER_SERVER_PREFERENCE;
531: else if (strcmp(*argv, "-legacy_renegotiation") == 0)
532: ; /* no-op */
533: else if (strcmp(*argv, "-legacy_server_connect") == 0) {
534: off |= SSL_OP_LEGACY_SERVER_CONNECT;
535: } else if (strcmp(*argv, "-no_legacy_server_connect") == 0) {
536: clr |= SSL_OP_LEGACY_SERVER_CONNECT;
537: } else if (strcmp(*argv, "-cipher") == 0) {
538: if (--argc < 1)
539: goto bad;
540: cipher = *(++argv);
541: }
542: else if (strcmp(*argv, "-nbio") == 0) {
543: c_nbio = 1;
544: }
545: else if (strcmp(*argv, "-starttls") == 0) {
546: if (--argc < 1)
547: goto bad;
548: ++argv;
549: if (strcmp(*argv, "smtp") == 0)
550: starttls_proto = PROTO_SMTP;
551: else if (strcmp(*argv, "lmtp") == 0)
552: starttls_proto = PROTO_LMTP;
553: else if (strcmp(*argv, "pop3") == 0)
554: starttls_proto = PROTO_POP3;
555: else if (strcmp(*argv, "imap") == 0)
556: starttls_proto = PROTO_IMAP;
557: else if (strcmp(*argv, "ftp") == 0)
558: starttls_proto = PROTO_FTP;
559: else if (strcmp(*argv, "xmpp") == 0)
560: starttls_proto = PROTO_XMPP;
561: else
562: goto bad;
1.42 ! jsing 563: } else if (strcmp(*argv, "-4") == 0) {
1.1 jsing 564: af = AF_INET;
565: } else if (strcmp(*argv, "-6") == 0) {
566: af = AF_INET6;
1.42 ! jsing 567: } else if (strcmp(*argv, "-servername") == 0) {
1.1 jsing 568: if (--argc < 1)
569: goto bad;
570: servername = *(++argv);
571: }
572: #ifndef OPENSSL_NO_SRTP
573: else if (strcmp(*argv, "-use_srtp") == 0) {
574: if (--argc < 1)
575: goto bad;
576: srtp_profiles = *(++argv);
577: }
578: #endif
579: else if (strcmp(*argv, "-keymatexport") == 0) {
580: if (--argc < 1)
581: goto bad;
582: keymatexportlabel = *(++argv);
583: } else if (strcmp(*argv, "-keymatexportlen") == 0) {
584: if (--argc < 1)
585: goto bad;
586: keymatexportlen = strtonum(*(++argv), 1, INT_MAX, &errstr);
587: if (errstr)
588: goto bad;
589: } else {
590: BIO_printf(bio_err, "unknown option %s\n", *argv);
591: badop = 1;
592: break;
593: }
594: argc--;
595: argv++;
596: }
1.12 bluhm 597: if (proxy != NULL) {
598: if (!extract_host_port(proxy, &host, NULL, &port))
599: goto bad;
600: if (connect == NULL)
601: connect = SSL_HOST_NAME;
602: } else if (connect != NULL) {
603: if (!extract_host_port(connect, &host, NULL, &port))
604: goto bad;
605: }
1.1 jsing 606: if (badop) {
1.35 jsing 607: bad:
1.1 jsing 608: if (errstr)
609: BIO_printf(bio_err, "invalid argument %s: %s\n",
610: *argv, errstr);
611: else
612: sc_usage();
613: goto end;
614: }
615:
616: if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) {
617: BIO_printf(bio_err, "Error getting password\n");
618: goto end;
619: }
620: if (key_file == NULL)
621: key_file = cert_file;
622:
623:
624: if (key_file) {
625:
1.19 bcook 626: key = load_key(bio_err, key_file, key_format, 0, pass,
1.1 jsing 627: "client certificate private key file");
628: if (!key) {
629: ERR_print_errors(bio_err);
630: goto end;
631: }
632: }
633: if (cert_file) {
634: cert = load_cert(bio_err, cert_file, cert_format,
1.19 bcook 635: NULL, "client certificate file");
1.1 jsing 636:
637: if (!cert) {
638: ERR_print_errors(bio_err);
639: goto end;
640: }
641: }
642: if (bio_c_out == NULL) {
643: if (c_quiet && !c_debug && !c_msg) {
644: bio_c_out = BIO_new(BIO_s_null());
645: } else {
646: if (bio_c_out == NULL)
647: bio_c_out = BIO_new_fp(stdout, BIO_NOCLOSE);
648: }
649: }
650:
651: ctx = SSL_CTX_new(meth);
652: if (ctx == NULL) {
653: ERR_print_errors(bio_err);
654: goto end;
655: }
656: if (vpm)
657: SSL_CTX_set1_param(ctx, vpm);
1.42 ! jsing 658:
! 659: if (!SSL_CTX_set_min_proto_version(ctx, min_version))
! 660: goto end;
! 661: if (!SSL_CTX_set_max_proto_version(ctx, max_version))
! 662: goto end;
1.1 jsing 663:
664: #ifndef OPENSSL_NO_SRTP
665: if (srtp_profiles != NULL)
666: SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
667: #endif
668: if (bugs)
669: SSL_CTX_set_options(ctx, SSL_OP_ALL | off);
670: else
671: SSL_CTX_set_options(ctx, off);
672:
673: if (clr)
674: SSL_CTX_clear_options(ctx, clr);
675: /*
676: * DTLS: partial reads end up discarding unread UDP bytes :-( Setting
677: * read ahead solves this problem.
678: */
679: if (socket_type == SOCK_DGRAM)
680: SSL_CTX_set_read_ahead(ctx, 1);
681:
1.10 jsing 682: if (alpn_in) {
683: unsigned short alpn_len;
684: unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
685:
686: if (alpn == NULL) {
687: BIO_printf(bio_err, "Error parsing -alpn argument\n");
688: goto end;
689: }
690: SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
691: free(alpn);
1.31 jsing 692: }
693: if (groups_in != NULL) {
694: if (SSL_CTX_set1_groups_list(ctx, groups_in) != 1) {
695: BIO_printf(bio_err, "Failed to set groups '%s'\n",
696: groups_in);
697: goto end;
698: }
1.10 jsing 699: }
1.1 jsing 700:
701: if (state)
702: SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
703: if (cipher != NULL)
704: if (!SSL_CTX_set_cipher_list(ctx, cipher)) {
705: BIO_printf(bio_err, "error setting cipher list\n");
706: ERR_print_errors(bio_err);
707: goto end;
708: }
709:
710: SSL_CTX_set_verify(ctx, verify, verify_callback);
711: if (!set_cert_key_stuff(ctx, cert, key))
712: goto end;
713:
1.28 bcook 714: if ((CAfile || CApath)
715: && !SSL_CTX_load_verify_locations(ctx, CAfile, CApath))
1.1 jsing 716: ERR_print_errors(bio_err);
1.28 bcook 717:
718: if (!SSL_CTX_set_default_verify_paths(ctx))
719: ERR_print_errors(bio_err);
720:
1.1 jsing 721: if (servername != NULL) {
722: tlsextcbp.biodebug = bio_err;
723: SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
724: SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
725: }
726:
727: con = SSL_new(ctx);
728: if (sess_in) {
729: SSL_SESSION *sess;
730: BIO *stmp = BIO_new_file(sess_in, "r");
731: if (!stmp) {
732: BIO_printf(bio_err, "Can't open session file %s\n",
733: sess_in);
734: ERR_print_errors(bio_err);
735: goto end;
736: }
737: sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
738: BIO_free(stmp);
739: if (!sess) {
740: BIO_printf(bio_err, "Can't open session file %s\n",
741: sess_in);
742: ERR_print_errors(bio_err);
743: goto end;
744: }
745: SSL_set_session(con, sess);
746: SSL_SESSION_free(sess);
747: }
748: if (servername != NULL) {
749: if (!SSL_set_tlsext_host_name(con, servername)) {
750: BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
751: ERR_print_errors(bio_err);
752: goto end;
753: }
754: }
755: /* SSL_set_cipher_list(con,"RC4-MD5"); */
756:
757: re_start:
758:
759: if (init_client(&s, host, port, socket_type, af) == 0) {
760: BIO_printf(bio_err, "connect:errno=%d\n", errno);
761: goto end;
762: }
763: BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
764:
765: if (c_nbio) {
1.3 bcook 766: if (!c_quiet)
767: BIO_printf(bio_c_out, "turning on non blocking io\n");
768: if (!BIO_socket_nbio(s, 1)) {
1.1 jsing 769: ERR_print_errors(bio_err);
770: goto end;
771: }
772: }
773: if (c_Pause & 0x01)
774: SSL_set_debug(con, 1);
775:
776: if (SSL_version(con) == DTLS1_VERSION) {
777:
778: sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1.38 deraadt 779: if (getsockname(s, &peer, (void *) &peerlen) == -1) {
1.1 jsing 780: BIO_printf(bio_err, "getsockname:errno=%d\n",
781: errno);
782: shutdown(s, SHUT_RD);
783: close(s);
784: goto end;
785: }
786: (void) BIO_ctrl_set_connected(sbio, 1, &peer);
787:
788: if (enable_timeouts) {
789: timeout.tv_sec = 0;
790: timeout.tv_usec = DGRAM_RCV_TIMEOUT;
791: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
792:
793: timeout.tv_sec = 0;
794: timeout.tv_usec = DGRAM_SND_TIMEOUT;
795: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
796: }
797: if (socket_mtu > 28) {
798: SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
799: SSL_set_mtu(con, socket_mtu - 28);
800: } else
801: /* want to do MTU discovery */
802: BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
803: } else
804: sbio = BIO_new_socket(s, BIO_NOCLOSE);
805:
806: if (nbio_test) {
807: BIO *test;
808:
809: test = BIO_new(BIO_f_nbio_test());
810: sbio = BIO_push(test, sbio);
811: }
812: if (c_debug) {
813: SSL_set_debug(con, 1);
814: BIO_set_callback(sbio, bio_dump_callback);
815: BIO_set_callback_arg(sbio, (char *) bio_c_out);
816: }
817: if (c_msg) {
818: SSL_set_msg_callback(con, msg_cb);
819: SSL_set_msg_callback_arg(con, bio_c_out);
820: }
821: if (c_tlsextdebug) {
822: SSL_set_tlsext_debug_callback(con, tlsext_cb);
823: SSL_set_tlsext_debug_arg(con, bio_c_out);
824: }
825: if (c_status_req) {
826: SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
827: SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
828: SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
829: }
830:
831: SSL_set_bio(con, sbio, sbio);
832: SSL_set_connect_state(con);
833:
834: /* ok, lets connect */
835: read_tty = 1;
836: write_tty = 0;
837: tty_on = 0;
838: read_ssl = 1;
839: write_ssl = 1;
840:
841: cbuf_len = 0;
842: cbuf_off = 0;
843: sbuf_len = 0;
844: sbuf_off = 0;
1.39 beck 845: pbuf_len = 0;
846: pbuf_off = 0;
1.1 jsing 847:
848: /* This is an ugly hack that does a lot of assumptions */
849: /*
850: * We do have to handle multi-line responses which may come in a
851: * single packet or not. We therefore have to use BIO_gets() which
852: * does need a buffering BIO. So during the initial chitchat we do
853: * push a buffering BIO into the chain that is removed again later on
854: * to not disturb the rest of the s_client operation.
855: */
856: if (starttls_proto == PROTO_SMTP || starttls_proto == PROTO_LMTP) {
857: int foundit = 0;
858: BIO *fbio = BIO_new(BIO_f_buffer());
859: BIO_push(fbio, sbio);
860: /* wait for multi-line response to end from SMTP */
861: do {
862: mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
863: }
864: while (mbuf_len > 3 && mbuf[3] == '-');
865: /* STARTTLS command requires EHLO... */
866: BIO_printf(fbio, "%cHLO openssl.client.net\r\n",
867: starttls_proto == PROTO_SMTP ? 'E' : 'L');
868: (void) BIO_flush(fbio);
869: /* wait for multi-line response to end EHLO SMTP response */
870: do {
871: mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
872: if (strstr(mbuf, "STARTTLS"))
873: foundit = 1;
874: }
875: while (mbuf_len > 3 && mbuf[3] == '-');
876: (void) BIO_flush(fbio);
877: BIO_pop(fbio);
878: BIO_free(fbio);
879: if (!foundit)
880: BIO_printf(bio_err,
1.36 jmc 881: "didn't find starttls in server response,"
1.1 jsing 882: " try anyway...\n");
883: BIO_printf(sbio, "STARTTLS\r\n");
884: BIO_read(sbio, sbuf, BUFSIZZ);
885: } else if (starttls_proto == PROTO_POP3) {
886: mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
887: if (mbuf_len == -1) {
888: BIO_printf(bio_err, "BIO_read failed\n");
889: goto end;
890: }
891: BIO_printf(sbio, "STLS\r\n");
892: BIO_read(sbio, sbuf, BUFSIZZ);
893: } else if (starttls_proto == PROTO_IMAP) {
894: int foundit = 0;
895: BIO *fbio = BIO_new(BIO_f_buffer());
896: BIO_push(fbio, sbio);
897: BIO_gets(fbio, mbuf, BUFSIZZ);
898: /* STARTTLS command requires CAPABILITY... */
899: BIO_printf(fbio, ". CAPABILITY\r\n");
900: (void) BIO_flush(fbio);
901: /* wait for multi-line CAPABILITY response */
902: do {
903: mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
904: if (strstr(mbuf, "STARTTLS"))
905: foundit = 1;
906: }
907: while (mbuf_len > 3 && mbuf[0] != '.');
908: (void) BIO_flush(fbio);
909: BIO_pop(fbio);
910: BIO_free(fbio);
911: if (!foundit)
912: BIO_printf(bio_err,
1.37 tb 913: "didn't find STARTTLS in server response,"
1.1 jsing 914: " try anyway...\n");
915: BIO_printf(sbio, ". STARTTLS\r\n");
916: BIO_read(sbio, sbuf, BUFSIZZ);
917: } else if (starttls_proto == PROTO_FTP) {
918: BIO *fbio = BIO_new(BIO_f_buffer());
919: BIO_push(fbio, sbio);
920: /* wait for multi-line response to end from FTP */
921: do {
922: mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
923: }
924: while (mbuf_len > 3 && mbuf[3] == '-');
925: (void) BIO_flush(fbio);
926: BIO_pop(fbio);
927: BIO_free(fbio);
928: BIO_printf(sbio, "AUTH TLS\r\n");
929: BIO_read(sbio, sbuf, BUFSIZZ);
1.12 bluhm 930: } else if (starttls_proto == PROTO_XMPP) {
1.1 jsing 931: int seen = 0;
932: BIO_printf(sbio, "<stream:stream "
933: "xmlns:stream='http://etherx.jabber.org/streams' "
1.15 landry 934: "xmlns='jabber:client' to='%s' version='1.0'>", xmpphost ? xmpphost : host);
1.1 jsing 935: seen = BIO_read(sbio, mbuf, BUFSIZZ);
1.15 landry 936:
937: if (seen <= 0)
938: goto shut;
939:
1.1 jsing 940: mbuf[seen] = 0;
1.15 landry 941: while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'") &&
942: !strstr(mbuf, "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\"")) {
943: seen = BIO_read(sbio, mbuf, BUFSIZZ);
944:
945: if (seen <= 0)
1.1 jsing 946: goto shut;
1.15 landry 947:
1.1 jsing 948: mbuf[seen] = 0;
949: }
950: BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
951: seen = BIO_read(sbio, sbuf, BUFSIZZ);
952: sbuf[seen] = 0;
953: if (!strstr(sbuf, "<proceed"))
954: goto shut;
955: mbuf[0] = 0;
1.12 bluhm 956: } else if (proxy != NULL) {
957: BIO_printf(sbio, "CONNECT %s HTTP/1.0\r\n\r\n", connect);
958: mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
959: if (mbuf_len == -1) {
960: BIO_printf(bio_err, "BIO_read failed\n");
961: goto end;
962: }
1.1 jsing 963: }
964: for (;;) {
1.9 deraadt 965: struct pollfd pfd[3]; /* stdin, stdout, socket */
966: int ptimeout = -1;
1.1 jsing 967:
968: if ((SSL_version(con) == DTLS1_VERSION) &&
969: DTLSv1_get_timeout(con, &timeout))
1.9 deraadt 970: ptimeout = timeout.tv_sec * 1000 + timeout.tv_usec / 1000;
1.1 jsing 971:
972: if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
973: in_init = 1;
974: tty_on = 0;
975: } else {
976: tty_on = 1;
977: if (in_init) {
978: in_init = 0;
979: if (sess_out) {
980: BIO *stmp = BIO_new_file(sess_out, "w");
981: if (stmp) {
982: PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
983: BIO_free(stmp);
984: } else
985: BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
986: }
987: print_stuff(bio_c_out, con, full_log);
988: if (full_log > 0)
989: full_log--;
990:
991: if (starttls_proto) {
992: BIO_write(bio_err, mbuf, mbuf_len);
993: /* We don't need to know any more */
994: starttls_proto = PROTO_OFF;
995: }
996: if (reconnect) {
997: reconnect--;
998: BIO_printf(bio_c_out, "drop connection and then reconnect\n");
999: SSL_shutdown(con);
1000: SSL_set_connect_state(con);
1001: shutdown(SSL_get_fd(con), SHUT_RD);
1002: close(SSL_get_fd(con));
1003: goto re_start;
1004: }
1005: }
1006: }
1007:
1008: ssl_pending = read_ssl && SSL_pending(con);
1009:
1.9 deraadt 1010: pfd[0].fd = -1;
1011: pfd[1].fd = -1;
1.1 jsing 1012: if (!ssl_pending) {
1013: if (tty_on) {
1.9 deraadt 1014: if (read_tty) {
1015: pfd[0].fd = fileno(stdin);
1016: pfd[0].events = POLLIN;
1017: }
1018: if (write_tty) {
1019: pfd[1].fd = fileno(stdout);
1020: pfd[1].events = POLLOUT;
1021: }
1.1 jsing 1022: }
1.9 deraadt 1023:
1024: pfd[2].fd = SSL_get_fd(con);
1025: pfd[2].events = 0;
1.1 jsing 1026: if (read_ssl)
1.9 deraadt 1027: pfd[2].events |= POLLIN;
1.1 jsing 1028: if (write_ssl)
1.9 deraadt 1029: pfd[2].events |= POLLOUT;
1030:
1.1 jsing 1031: /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1032: tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1033:
1.9 deraadt 1034: i = poll(pfd, 3, ptimeout);
1.38 deraadt 1035: if (i == -1) {
1.1 jsing 1036: BIO_printf(bio_err, "bad select %d\n",
1037: errno);
1038: goto shut;
1039: /* goto end; */
1040: }
1041: }
1042: if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) {
1043: BIO_printf(bio_err, "TIMEOUT occured\n");
1044: }
1.9 deraadt 1045: if (!ssl_pending && (pfd[2].revents & (POLLOUT|POLLERR|POLLNVAL))) {
1046: if (pfd[2].revents & (POLLERR|POLLNVAL)) {
1047: BIO_printf(bio_err, "poll error");
1048: goto shut;
1049: }
1.1 jsing 1050: k = SSL_write(con, &(cbuf[cbuf_off]),
1051: (unsigned int) cbuf_len);
1052: switch (SSL_get_error(con, k)) {
1053: case SSL_ERROR_NONE:
1054: cbuf_off += k;
1055: cbuf_len -= k;
1056: if (k <= 0)
1057: goto end;
1058: /* we have done a write(con,NULL,0); */
1059: if (cbuf_len <= 0) {
1060: read_tty = 1;
1061: write_ssl = 0;
1062: } else { /* if (cbuf_len > 0) */
1063: read_tty = 0;
1064: write_ssl = 1;
1065: }
1066: break;
1067: case SSL_ERROR_WANT_WRITE:
1068: BIO_printf(bio_c_out, "write W BLOCK\n");
1069: write_ssl = 1;
1070: read_tty = 0;
1071: break;
1072: case SSL_ERROR_WANT_READ:
1073: BIO_printf(bio_c_out, "write R BLOCK\n");
1074: write_tty = 0;
1075: read_ssl = 1;
1076: write_ssl = 0;
1077: break;
1078: case SSL_ERROR_WANT_X509_LOOKUP:
1079: BIO_printf(bio_c_out, "write X BLOCK\n");
1080: break;
1081: case SSL_ERROR_ZERO_RETURN:
1082: if (cbuf_len != 0) {
1083: BIO_printf(bio_c_out, "shutdown\n");
1084: ret = 0;
1085: goto shut;
1086: } else {
1087: read_tty = 1;
1088: write_ssl = 0;
1089: break;
1090: }
1091:
1092: case SSL_ERROR_SYSCALL:
1093: if ((k != 0) || (cbuf_len != 0)) {
1094: BIO_printf(bio_err, "write:errno=%d\n",
1095: errno);
1096: goto shut;
1097: } else {
1098: read_tty = 1;
1099: write_ssl = 0;
1100: }
1101: break;
1102: case SSL_ERROR_SSL:
1103: ERR_print_errors(bio_err);
1104: goto shut;
1105: }
1.9 deraadt 1106: } else if (!ssl_pending &&
1107: (pfd[1].revents & (POLLOUT|POLLERR|POLLNVAL))) {
1108: if (pfd[1].revents & (POLLERR|POLLNVAL)) {
1109: BIO_printf(bio_err, "poll error");
1110: goto shut;
1111: }
1.1 jsing 1112: i = write(fileno(stdout), &(sbuf[sbuf_off]), sbuf_len);
1113:
1114: if (i <= 0) {
1115: BIO_printf(bio_c_out, "DONE\n");
1116: ret = 0;
1117: goto shut;
1118: /* goto end; */
1119: }
1120: sbuf_len -= i;
1121: sbuf_off += i;
1122: if (sbuf_len <= 0) {
1123: read_ssl = 1;
1124: write_tty = 0;
1125: }
1.9 deraadt 1126: } else if (ssl_pending || (pfd[2].revents & (POLLIN|POLLHUP))) {
1.1 jsing 1127: #ifdef RENEG
1128: {
1129: static int iiii;
1130: if (++iiii == 52) {
1131: SSL_renegotiate(con);
1132: iiii = 0;
1133: }
1134: }
1135: #endif
1.39 beck 1136: if (peekaboo) {
1.40 jsing 1137: k = p = SSL_peek(con, pbuf, 1024 /* BUFSIZZ */ );
1.41 beck 1138: pending = SSL_pending(con);
1.40 jsing 1139: if (SSL_get_error(con, p) == SSL_ERROR_NONE) {
1.39 beck 1140: if (p <= 0)
1141: goto end;
1142: pbuf_off = 0;
1143: pbuf_len = p;
1144:
1.40 jsing 1145: k = SSL_read(con, sbuf, p);
1.39 beck 1146: }
1.40 jsing 1147: } else {
1148: k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
1.39 beck 1149: }
1.1 jsing 1150:
1151: switch (SSL_get_error(con, k)) {
1152: case SSL_ERROR_NONE:
1153: if (k <= 0)
1154: goto end;
1155: sbuf_off = 0;
1156: sbuf_len = k;
1.39 beck 1157: if (peekaboo) {
1.41 beck 1158: if (p != pending) {
1159: ret = -1;
1160: BIO_printf(bio_err,
1161: "peeked %d but pending %d!\n", p, pending);
1162: goto shut;
1163: }
1.39 beck 1164: if (k < p) {
1165: ret = -1;
1166: BIO_printf(bio_err,
1167: "read less than peek!\n");
1168: goto shut;
1169: }
1170: if (p > 0 && (memcmp(sbuf, pbuf, p) != 0)) {
1171: ret = -1;
1172: BIO_printf(bio_err,
1173: "peek of %d different from read of %d!\n",
1174: p, k);
1175: goto shut;
1176: }
1177: }
1.1 jsing 1178: read_ssl = 0;
1179: write_tty = 1;
1180: break;
1181: case SSL_ERROR_WANT_WRITE:
1182: BIO_printf(bio_c_out, "read W BLOCK\n");
1183: write_ssl = 1;
1184: read_tty = 0;
1185: break;
1186: case SSL_ERROR_WANT_READ:
1187: BIO_printf(bio_c_out, "read R BLOCK\n");
1188: write_tty = 0;
1189: read_ssl = 1;
1190: if ((read_tty == 0) && (write_ssl == 0))
1191: write_ssl = 1;
1192: break;
1193: case SSL_ERROR_WANT_X509_LOOKUP:
1194: BIO_printf(bio_c_out, "read X BLOCK\n");
1195: break;
1196: case SSL_ERROR_SYSCALL:
1197: ret = errno;
1198: BIO_printf(bio_err, "read:errno=%d\n", ret);
1199: goto shut;
1200: case SSL_ERROR_ZERO_RETURN:
1201: BIO_printf(bio_c_out, "closed\n");
1202: ret = 0;
1203: goto shut;
1204: case SSL_ERROR_SSL:
1205: ERR_print_errors(bio_err);
1206: goto shut;
1207: /* break; */
1208: }
1.9 deraadt 1209: } else if (pfd[0].revents) {
1210: if (pfd[0].revents & (POLLERR|POLLNVAL)) {
1211: BIO_printf(bio_err, "poll error");
1212: goto shut;
1213: }
1.1 jsing 1214: if (crlf) {
1215: int j, lf_num;
1216:
1217: i = read(fileno(stdin), cbuf, BUFSIZZ / 2);
1218: lf_num = 0;
1219: /* both loops are skipped when i <= 0 */
1220: for (j = 0; j < i; j++)
1221: if (cbuf[j] == '\n')
1222: lf_num++;
1223: for (j = i - 1; j >= 0; j--) {
1224: cbuf[j + lf_num] = cbuf[j];
1225: if (cbuf[j] == '\n') {
1226: lf_num--;
1227: i++;
1228: cbuf[j + lf_num] = '\r';
1229: }
1230: }
1231: assert(lf_num == 0);
1232: } else
1233: i = read(fileno(stdin), cbuf, BUFSIZZ);
1234:
1235: if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) {
1236: BIO_printf(bio_err, "DONE\n");
1237: ret = 0;
1238: goto shut;
1239: }
1240: if ((!c_ign_eof) && (cbuf[0] == 'R')) {
1241: BIO_printf(bio_err, "RENEGOTIATING\n");
1242: SSL_renegotiate(con);
1243: cbuf_len = 0;
1244: } else {
1245: cbuf_len = i;
1246: cbuf_off = 0;
1247: }
1248:
1249: write_ssl = 1;
1250: read_tty = 0;
1251: }
1252: }
1253:
1254: ret = 0;
1.35 jsing 1255: shut:
1.1 jsing 1256: if (in_init)
1257: print_stuff(bio_c_out, con, full_log);
1258: SSL_shutdown(con);
1259: shutdown(SSL_get_fd(con), SHUT_RD);
1260: close(SSL_get_fd(con));
1.35 jsing 1261: end:
1.1 jsing 1262: if (con != NULL) {
1263: if (prexit != 0)
1264: print_stuff(bio_c_out, con, 1);
1265: SSL_free(con);
1266: }
1.34 jsing 1267: SSL_CTX_free(ctx);
1268: X509_free(cert);
1269: EVP_PKEY_free(key);
1.1 jsing 1270: free(pass);
1.34 jsing 1271: X509_VERIFY_PARAM_free(vpm);
1.32 deraadt 1272: freezero(cbuf, BUFSIZZ);
1273: freezero(sbuf, BUFSIZZ);
1274: freezero(mbuf, BUFSIZZ);
1.1 jsing 1275: if (bio_c_out != NULL) {
1276: BIO_free(bio_c_out);
1277: bio_c_out = NULL;
1278: }
1279:
1280: return (ret);
1281: }
1282:
1283:
1284: static void
1285: print_stuff(BIO * bio, SSL * s, int full)
1286: {
1287: X509 *peer = NULL;
1288: char *p;
1289: static const char *space = " ";
1290: char buf[BUFSIZ];
1291: STACK_OF(X509) * sk;
1292: STACK_OF(X509_NAME) * sk2;
1293: const SSL_CIPHER *c;
1294: X509_NAME *xn;
1295: int j, i;
1296: unsigned char *exportedkeymat;
1297:
1298: if (full) {
1299: int got_a_chain = 0;
1300:
1301: sk = SSL_get_peer_cert_chain(s);
1302: if (sk != NULL) {
1303: got_a_chain = 1; /* we don't have it for SSL2
1304: * (yet) */
1305:
1306: BIO_printf(bio, "---\nCertificate chain\n");
1307: for (i = 0; i < sk_X509_num(sk); i++) {
1308: X509_NAME_oneline(X509_get_subject_name(
1309: sk_X509_value(sk, i)), buf, sizeof buf);
1310: BIO_printf(bio, "%2d s:%s\n", i, buf);
1311: X509_NAME_oneline(X509_get_issuer_name(
1312: sk_X509_value(sk, i)), buf, sizeof buf);
1313: BIO_printf(bio, " i:%s\n", buf);
1314: if (c_showcerts)
1315: PEM_write_bio_X509(bio, sk_X509_value(sk, i));
1316: }
1317: }
1318: BIO_printf(bio, "---\n");
1319: peer = SSL_get_peer_certificate(s);
1320: if (peer != NULL) {
1321: BIO_printf(bio, "Server certificate\n");
1322: if (!(c_showcerts && got_a_chain)) /* Redundant if we
1323: * showed the whole
1324: * chain */
1325: PEM_write_bio_X509(bio, peer);
1326: X509_NAME_oneline(X509_get_subject_name(peer),
1327: buf, sizeof buf);
1328: BIO_printf(bio, "subject=%s\n", buf);
1329: X509_NAME_oneline(X509_get_issuer_name(peer),
1330: buf, sizeof buf);
1331: BIO_printf(bio, "issuer=%s\n", buf);
1332: } else
1333: BIO_printf(bio, "no peer certificate available\n");
1334:
1335: sk2 = SSL_get_client_CA_list(s);
1336: if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
1337: BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
1338: for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
1339: xn = sk_X509_NAME_value(sk2, i);
1340: X509_NAME_oneline(xn, buf, sizeof(buf));
1341: BIO_write(bio, buf, strlen(buf));
1342: BIO_write(bio, "\n", 1);
1343: }
1344: } else {
1345: BIO_printf(bio, "---\nNo client certificate CA names sent\n");
1346: }
1347: p = SSL_get_shared_ciphers(s, buf, sizeof buf);
1348: if (p != NULL) {
1349: /*
1350: * This works only for SSL 2. In later protocol
1351: * versions, the client does not know what other
1352: * ciphers (in addition to the one to be used in the
1353: * current connection) the server supports.
1354: */
1355:
1356: BIO_printf(bio, "---\nCiphers common between both SSL endpoints:\n");
1357: j = i = 0;
1358: while (*p) {
1359: if (*p == ':') {
1360: BIO_write(bio, space, 15 - j % 25);
1361: i++;
1362: j = 0;
1363: BIO_write(bio, ((i % 3) ? " " : "\n"), 1);
1364: } else {
1365: BIO_write(bio, p, 1);
1366: j++;
1367: }
1368: p++;
1369: }
1370: BIO_write(bio, "\n", 1);
1371: }
1.29 jsing 1372:
1373: ssl_print_tmp_key(bio, s);
1374:
1.1 jsing 1375: BIO_printf(bio, "---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1376: BIO_number_read(SSL_get_rbio(s)),
1377: BIO_number_written(SSL_get_wbio(s)));
1378: }
1379: BIO_printf(bio, (SSL_cache_hit(s) ? "---\nReused, " : "---\nNew, "));
1380: c = SSL_get_current_cipher(s);
1381: BIO_printf(bio, "%s, Cipher is %s\n",
1382: SSL_CIPHER_get_version(c),
1383: SSL_CIPHER_get_name(c));
1384: if (peer != NULL) {
1385: EVP_PKEY *pktmp;
1386: pktmp = X509_get_pubkey(peer);
1387: BIO_printf(bio, "Server public key is %d bit\n",
1388: EVP_PKEY_bits(pktmp));
1389: EVP_PKEY_free(pktmp);
1390: }
1391: BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
1392: SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
1393:
1394: /* Compression is not supported and will always be none. */
1395: BIO_printf(bio, "Compression: NONE\n");
1396: BIO_printf(bio, "Expansion: NONE\n");
1397:
1398: #ifdef SSL_DEBUG
1399: {
1400: /* Print out local port of connection: useful for debugging */
1401: int sock;
1402: struct sockaddr_in ladd;
1403: socklen_t ladd_size = sizeof(ladd);
1404: sock = SSL_get_fd(s);
1405: getsockname(sock, (struct sockaddr *) & ladd, &ladd_size);
1406: BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
1407: }
1408: #endif
1409:
1.10 jsing 1410: {
1411: const unsigned char *proto;
1412: unsigned int proto_len;
1413: SSL_get0_alpn_selected(s, &proto, &proto_len);
1414: if (proto_len > 0) {
1415: BIO_printf(bio, "ALPN protocol: ");
1416: BIO_write(bio, proto, proto_len);
1417: BIO_write(bio, "\n", 1);
1418: } else
1419: BIO_printf(bio, "No ALPN negotiated\n");
1420: }
1.1 jsing 1421:
1422: #ifndef OPENSSL_NO_SRTP
1423: {
1424: SRTP_PROTECTION_PROFILE *srtp_profile = SSL_get_selected_srtp_profile(s);
1425:
1426: if (srtp_profile)
1427: BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
1428: srtp_profile->name);
1429: }
1430: #endif
1431:
1432: SSL_SESSION_print(bio, SSL_get_session(s));
1433: if (keymatexportlabel != NULL) {
1434: BIO_printf(bio, "Keying material exporter:\n");
1435: BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
1436: BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
1437: exportedkeymat = malloc(keymatexportlen);
1438: if (exportedkeymat != NULL) {
1439: if (!SSL_export_keying_material(s, exportedkeymat,
1440: keymatexportlen,
1441: keymatexportlabel,
1442: strlen(keymatexportlabel),
1443: NULL, 0, 0)) {
1444: BIO_printf(bio, " Error\n");
1445: } else {
1446: BIO_printf(bio, " Keying material: ");
1447: for (i = 0; i < keymatexportlen; i++)
1448: BIO_printf(bio, "%02X",
1449: exportedkeymat[i]);
1450: BIO_printf(bio, "\n");
1451: }
1452: free(exportedkeymat);
1453: }
1454: }
1455: BIO_printf(bio, "---\n");
1.34 jsing 1456: X509_free(peer);
1.1 jsing 1457: /* flush, or debugging output gets mixed with http response */
1458: (void) BIO_flush(bio);
1459: }
1460:
1461:
1462: static int
1463: ocsp_resp_cb(SSL * s, void *arg)
1464: {
1465: const unsigned char *p;
1466: int len;
1467: OCSP_RESPONSE *rsp;
1468: len = SSL_get_tlsext_status_ocsp_resp(s, &p);
1469: BIO_puts(arg, "OCSP response: ");
1470: if (!p) {
1471: BIO_puts(arg, "no response sent\n");
1472: return 1;
1473: }
1474: rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
1475: if (!rsp) {
1476: BIO_puts(arg, "response parse error\n");
1477: BIO_dump_indent(arg, (char *) p, len, 4);
1478: return 0;
1479: }
1480: BIO_puts(arg, "\n======================================\n");
1481: OCSP_RESPONSE_print(arg, rsp, 0);
1482: BIO_puts(arg, "======================================\n");
1483: OCSP_RESPONSE_free(rsp);
1484: return 1;
1485: }
1486: