Annotation of src/usr.bin/openssl/s_client.c, Revision 1.32
1.32 ! deraadt 1: /* $OpenBSD: s_client.c,v 1.31 2017/01/24 09:07:40 jsing 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");
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");
1.15 landry 239: BIO_printf(bio_err, " -xmpphost host - connect to this virtual host on the xmpp server\n");
1.1 jsing 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");
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: /* 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;
1.9 deraadt 326: int s, k, state = 0, af = AF_UNSPEC;
1.1 jsing 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;
1.15 landry 333: char *xmpphost = NULL;
1.12 bluhm 334: char *proxy = NULL, *connect = NULL;
1.1 jsing 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;
1.9 deraadt 354: struct timeval timeout;
1.1 jsing 355: const char *errstr = NULL;
356: char *servername = NULL;
357: tlsextctx tlsextcbp =
358: {NULL, 0};
359: const char *next_proto_neg_in = NULL;
1.10 jsing 360: const char *alpn_in = NULL;
1.31 jsing 361: const char *groups_in = NULL;
1.1 jsing 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;
1.21 doug 368:
369: if (single_execution) {
1.30 deraadt 370: if (pledge("stdio cpath wpath rpath inet dns tty", NULL) == -1) {
1.21 doug 371: perror("pledge");
1.23 doug 372: exit(1);
373: }
1.21 doug 374: }
1.1 jsing 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;
1.12 bluhm 410: connect = *(++argv);
411: } else if (strcmp(*argv, "-proxy") == 0) {
412: if (--argc < 1)
1.1 jsing 413: goto bad;
1.12 bluhm 414: proxy = *(++argv);
1.15 landry 415: } else if (strcmp(*argv,"-xmpphost") == 0) {
416: if (--argc < 1)
417: goto bad;
418: xmpphost= *(++argv);
1.1 jsing 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;
1.31 jsing 532: } else if (strcmp(*argv, "-no_ticket") == 0) {
1.1 jsing 533: off |= SSL_OP_NO_TICKET;
1.31 jsing 534: } else if (strcmp(*argv, "-nextprotoneg") == 0) {
1.1 jsing 535: if (--argc < 1)
536: goto bad;
537: next_proto_neg_in = *(++argv);
1.31 jsing 538: } else if (strcmp(*argv, "-alpn") == 0) {
1.10 jsing 539: if (--argc < 1)
540: goto bad;
541: alpn_in = *(++argv);
1.31 jsing 542: } else if (strcmp(*argv, "-groups") == 0) {
543: if (--argc < 1)
544: goto bad;
545: groups_in = *(++argv);
1.10 jsing 546: } else if (strcmp(*argv, "-serverpref") == 0)
1.1 jsing 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: }
1.12 bluhm 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: }
1.1 jsing 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:
1.19 bcook 656: key = load_key(bio_err, key_file, key_format, 0, pass,
1.1 jsing 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,
1.19 bcook 665: NULL, "client certificate file");
1.1 jsing 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);
1.10 jsing 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);
1.31 jsing 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: }
1.10 jsing 726: }
1.1 jsing 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:
1.28 bcook 741: if ((CAfile || CApath)
742: && !SSL_CTX_load_verify_locations(ctx, CAfile, CApath))
1.1 jsing 743: ERR_print_errors(bio_err);
1.28 bcook 744:
745: if (!SSL_CTX_set_default_verify_paths(ctx))
746: ERR_print_errors(bio_err);
747:
1.1 jsing 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) {
1.3 bcook 793: if (!c_quiet)
794: BIO_printf(bio_c_out, "turning on non blocking io\n");
795: if (!BIO_socket_nbio(s, 1)) {
1.1 jsing 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);
1.12 bluhm 955: } else if (starttls_proto == PROTO_XMPP) {
1.1 jsing 956: int seen = 0;
957: BIO_printf(sbio, "<stream:stream "
958: "xmlns:stream='http://etherx.jabber.org/streams' "
1.15 landry 959: "xmlns='jabber:client' to='%s' version='1.0'>", xmpphost ? xmpphost : host);
1.1 jsing 960: seen = BIO_read(sbio, mbuf, BUFSIZZ);
1.15 landry 961:
962: if (seen <= 0)
963: goto shut;
964:
1.1 jsing 965: mbuf[seen] = 0;
1.15 landry 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)
1.1 jsing 971: goto shut;
1.15 landry 972:
1.1 jsing 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;
1.12 bluhm 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: }
1.1 jsing 988: }
989: for (;;) {
1.9 deraadt 990: struct pollfd pfd[3]; /* stdin, stdout, socket */
991: int ptimeout = -1;
1.1 jsing 992:
993: if ((SSL_version(con) == DTLS1_VERSION) &&
994: DTLSv1_get_timeout(con, &timeout))
1.9 deraadt 995: ptimeout = timeout.tv_sec * 1000 + timeout.tv_usec / 1000;
1.1 jsing 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:
1.9 deraadt 1035: pfd[0].fd = -1;
1036: pfd[1].fd = -1;
1.1 jsing 1037: if (!ssl_pending) {
1038: if (tty_on) {
1.9 deraadt 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: }
1.1 jsing 1047: }
1.9 deraadt 1048:
1049: pfd[2].fd = SSL_get_fd(con);
1050: pfd[2].events = 0;
1.1 jsing 1051: if (read_ssl)
1.9 deraadt 1052: pfd[2].events |= POLLIN;
1.1 jsing 1053: if (write_ssl)
1.9 deraadt 1054: pfd[2].events |= POLLOUT;
1055:
1.1 jsing 1056: /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1057: tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1058:
1.9 deraadt 1059: i = poll(pfd, 3, ptimeout);
1.1 jsing 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: }
1.9 deraadt 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: }
1.1 jsing 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: }
1.9 deraadt 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: }
1.1 jsing 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: }
1.9 deraadt 1151: } else if (ssl_pending || (pfd[2].revents & (POLLIN|POLLHUP))) {
1.1 jsing 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: }
1.9 deraadt 1201: } else if (pfd[0].revents) {
1202: if (pfd[0].revents & (POLLERR|POLLNVAL)) {
1203: BIO_printf(bio_err, "poll error");
1204: goto shut;
1205: }
1.1 jsing 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);
1.32 ! deraadt 1269: freezero(cbuf, BUFSIZZ);
! 1270: freezero(sbuf, BUFSIZZ);
! 1271: freezero(mbuf, BUFSIZZ);
1.1 jsing 1272: if (bio_c_out != NULL) {
1273: BIO_free(bio_c_out);
1274: bio_c_out = NULL;
1275: }
1276:
1277: return (ret);
1278: }
1279:
1280:
1281: static void
1282: print_stuff(BIO * bio, SSL * s, int full)
1283: {
1284: X509 *peer = NULL;
1285: char *p;
1286: static const char *space = " ";
1287: char buf[BUFSIZ];
1288: STACK_OF(X509) * sk;
1289: STACK_OF(X509_NAME) * sk2;
1290: const SSL_CIPHER *c;
1291: X509_NAME *xn;
1292: int j, i;
1293: unsigned char *exportedkeymat;
1294:
1295: if (full) {
1296: int got_a_chain = 0;
1297:
1298: sk = SSL_get_peer_cert_chain(s);
1299: if (sk != NULL) {
1300: got_a_chain = 1; /* we don't have it for SSL2
1301: * (yet) */
1302:
1303: BIO_printf(bio, "---\nCertificate chain\n");
1304: for (i = 0; i < sk_X509_num(sk); i++) {
1305: X509_NAME_oneline(X509_get_subject_name(
1306: sk_X509_value(sk, i)), buf, sizeof buf);
1307: BIO_printf(bio, "%2d s:%s\n", i, buf);
1308: X509_NAME_oneline(X509_get_issuer_name(
1309: sk_X509_value(sk, i)), buf, sizeof buf);
1310: BIO_printf(bio, " i:%s\n", buf);
1311: if (c_showcerts)
1312: PEM_write_bio_X509(bio, sk_X509_value(sk, i));
1313: }
1314: }
1315: BIO_printf(bio, "---\n");
1316: peer = SSL_get_peer_certificate(s);
1317: if (peer != NULL) {
1318: BIO_printf(bio, "Server certificate\n");
1319: if (!(c_showcerts && got_a_chain)) /* Redundant if we
1320: * showed the whole
1321: * chain */
1322: PEM_write_bio_X509(bio, peer);
1323: X509_NAME_oneline(X509_get_subject_name(peer),
1324: buf, sizeof buf);
1325: BIO_printf(bio, "subject=%s\n", buf);
1326: X509_NAME_oneline(X509_get_issuer_name(peer),
1327: buf, sizeof buf);
1328: BIO_printf(bio, "issuer=%s\n", buf);
1329: } else
1330: BIO_printf(bio, "no peer certificate available\n");
1331:
1332: sk2 = SSL_get_client_CA_list(s);
1333: if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
1334: BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
1335: for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
1336: xn = sk_X509_NAME_value(sk2, i);
1337: X509_NAME_oneline(xn, buf, sizeof(buf));
1338: BIO_write(bio, buf, strlen(buf));
1339: BIO_write(bio, "\n", 1);
1340: }
1341: } else {
1342: BIO_printf(bio, "---\nNo client certificate CA names sent\n");
1343: }
1344: p = SSL_get_shared_ciphers(s, buf, sizeof buf);
1345: if (p != NULL) {
1346: /*
1347: * This works only for SSL 2. In later protocol
1348: * versions, the client does not know what other
1349: * ciphers (in addition to the one to be used in the
1350: * current connection) the server supports.
1351: */
1352:
1353: BIO_printf(bio, "---\nCiphers common between both SSL endpoints:\n");
1354: j = i = 0;
1355: while (*p) {
1356: if (*p == ':') {
1357: BIO_write(bio, space, 15 - j % 25);
1358: i++;
1359: j = 0;
1360: BIO_write(bio, ((i % 3) ? " " : "\n"), 1);
1361: } else {
1362: BIO_write(bio, p, 1);
1363: j++;
1364: }
1365: p++;
1366: }
1367: BIO_write(bio, "\n", 1);
1368: }
1.29 jsing 1369:
1370: ssl_print_tmp_key(bio, s);
1371:
1.1 jsing 1372: BIO_printf(bio, "---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1373: BIO_number_read(SSL_get_rbio(s)),
1374: BIO_number_written(SSL_get_wbio(s)));
1375: }
1376: BIO_printf(bio, (SSL_cache_hit(s) ? "---\nReused, " : "---\nNew, "));
1377: c = SSL_get_current_cipher(s);
1378: BIO_printf(bio, "%s, Cipher is %s\n",
1379: SSL_CIPHER_get_version(c),
1380: SSL_CIPHER_get_name(c));
1381: if (peer != NULL) {
1382: EVP_PKEY *pktmp;
1383: pktmp = X509_get_pubkey(peer);
1384: BIO_printf(bio, "Server public key is %d bit\n",
1385: EVP_PKEY_bits(pktmp));
1386: EVP_PKEY_free(pktmp);
1387: }
1388: BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
1389: SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
1390:
1391: /* Compression is not supported and will always be none. */
1392: BIO_printf(bio, "Compression: NONE\n");
1393: BIO_printf(bio, "Expansion: NONE\n");
1394:
1395: #ifdef SSL_DEBUG
1396: {
1397: /* Print out local port of connection: useful for debugging */
1398: int sock;
1399: struct sockaddr_in ladd;
1400: socklen_t ladd_size = sizeof(ladd);
1401: sock = SSL_get_fd(s);
1402: getsockname(sock, (struct sockaddr *) & ladd, &ladd_size);
1403: BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
1404: }
1405: #endif
1406:
1407: if (next_proto.status != -1) {
1408: const unsigned char *proto;
1409: unsigned int proto_len;
1410: SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
1411: BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
1412: BIO_write(bio, proto, proto_len);
1413: BIO_write(bio, "\n", 1);
1414: }
1.10 jsing 1415: {
1416: const unsigned char *proto;
1417: unsigned int proto_len;
1418: SSL_get0_alpn_selected(s, &proto, &proto_len);
1419: if (proto_len > 0) {
1420: BIO_printf(bio, "ALPN protocol: ");
1421: BIO_write(bio, proto, proto_len);
1422: BIO_write(bio, "\n", 1);
1423: } else
1424: BIO_printf(bio, "No ALPN negotiated\n");
1425: }
1.1 jsing 1426:
1427: #ifndef OPENSSL_NO_SRTP
1428: {
1429: SRTP_PROTECTION_PROFILE *srtp_profile = SSL_get_selected_srtp_profile(s);
1430:
1431: if (srtp_profile)
1432: BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
1433: srtp_profile->name);
1434: }
1435: #endif
1436:
1437: SSL_SESSION_print(bio, SSL_get_session(s));
1438: if (keymatexportlabel != NULL) {
1439: BIO_printf(bio, "Keying material exporter:\n");
1440: BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
1441: BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
1442: exportedkeymat = malloc(keymatexportlen);
1443: if (exportedkeymat != NULL) {
1444: if (!SSL_export_keying_material(s, exportedkeymat,
1445: keymatexportlen,
1446: keymatexportlabel,
1447: strlen(keymatexportlabel),
1448: NULL, 0, 0)) {
1449: BIO_printf(bio, " Error\n");
1450: } else {
1451: BIO_printf(bio, " Keying material: ");
1452: for (i = 0; i < keymatexportlen; i++)
1453: BIO_printf(bio, "%02X",
1454: exportedkeymat[i]);
1455: BIO_printf(bio, "\n");
1456: }
1457: free(exportedkeymat);
1458: }
1459: }
1460: BIO_printf(bio, "---\n");
1461: if (peer != NULL)
1462: X509_free(peer);
1463: /* flush, or debugging output gets mixed with http response */
1464: (void) BIO_flush(bio);
1465: }
1466:
1467:
1468: static int
1469: ocsp_resp_cb(SSL * s, void *arg)
1470: {
1471: const unsigned char *p;
1472: int len;
1473: OCSP_RESPONSE *rsp;
1474: len = SSL_get_tlsext_status_ocsp_resp(s, &p);
1475: BIO_puts(arg, "OCSP response: ");
1476: if (!p) {
1477: BIO_puts(arg, "no response sent\n");
1478: return 1;
1479: }
1480: rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
1481: if (!rsp) {
1482: BIO_puts(arg, "response parse error\n");
1483: BIO_dump_indent(arg, (char *) p, len, 4);
1484: return 0;
1485: }
1486: BIO_puts(arg, "\n======================================\n");
1487: OCSP_RESPONSE_print(arg, rsp, 0);
1488: BIO_puts(arg, "======================================\n");
1489: OCSP_RESPONSE_free(rsp);
1490: return 1;
1491: }
1492: