1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
57 /* ====================================================================
58 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
60 * Redistribution and use in source and binary forms, with or without
61 * modification, are permitted provided that the following conditions
64 * 1. Redistributions of source code must retain the above copyright
65 * notice, this list of conditions and the following disclaimer.
67 * 2. Redistributions in binary form must reproduce the above copyright
68 * notice, this list of conditions and the following disclaimer in
69 * the documentation and/or other materials provided with the
72 * 3. All advertising materials mentioning features or use of this
73 * software must display the following acknowledgment:
74 * "This product includes software developed by the OpenSSL Project
75 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
78 * endorse or promote products derived from this software without
79 * prior written permission. For written permission, please contact
80 * openssl-core@openssl.org.
82 * 5. Products derived from this software may not be called "OpenSSL"
83 * nor may "OpenSSL" appear in their names without prior written
84 * permission of the OpenSSL Project.
86 * 6. Redistributions of any form whatsoever must retain the following
88 * "This product includes software developed by the OpenSSL Project
89 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
92 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
93 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
94 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
95 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
96 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
97 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
98 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
99 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
100 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
101 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
102 * OF THE POSSIBILITY OF SUCH DAMAGE.
103 * ====================================================================
105 * This product includes cryptographic software written by Eric Young
106 * (eay@cryptsoft.com). This product includes software written by Tim
107 * Hudson (tjh@cryptsoft.com).
110 /* ====================================================================
111 * Copyright 2005 Nokia. All rights reserved.
113 * The portions of the attached software ("Contribution") is developed by
114 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
117 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
118 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
119 * support (see RFC 4279) to OpenSSL.
121 * No patent licenses or other rights except those expressly stated in
122 * the OpenSSL open source license shall be deemed granted or received
123 * expressly, by implication, estoppel, or otherwise.
125 * No assurances are provided by Nokia that the Contribution does not
126 * infringe the patent or other intellectual property rights of any third
127 * party or that the license provides you with all the necessary rights
128 * to make use of the Contribution.
130 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
131 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
132 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
133 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
141 #include <openssl/e_os2.h>
144 * With IPv6, it looks like Digital has mixed up the proper order of
145 * recursive header file inclusion, resulting in the compiler complaining
146 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
147 * needed to have fileno() declared correctly... So let's define u_int
149 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
151 typedef unsigned int u_int;
156 #include <openssl/x509.h>
157 #include <openssl/ssl.h>
158 #include <openssl/err.h>
159 #include <openssl/pem.h>
160 #include <openssl/rand.h>
161 #include <openssl/ocsp.h>
162 #include <openssl/bn.h>
163 #ifndef OPENSSL_NO_SRP
164 # include <openssl/srp.h>
167 #include "timeouts.h"
169 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
170 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
174 #define SSL_HOST_NAME "localhost"
177 #define BUFSIZZ 1024*8
178 #define S_CLIENT_IRC_READ_TIMEOUT 8
180 extern int verify_depth;
181 extern int verify_error;
182 extern int verify_return_error;
183 extern int verify_quiet;
185 static int async = 0;
186 static int c_nbio = 0;
187 static int c_tlsextdebug = 0;
188 static int c_status_req = 0;
189 static int c_Pause = 0;
190 static int c_debug = 0;
191 static int c_msg = 0;
192 static int c_showcerts = 0;
193 static char *keymatexportlabel = NULL;
194 static int keymatexportlen = 20;
195 static BIO *bio_c_out = NULL;
196 static BIO *bio_c_msg = NULL;
197 static int c_quiet = 0;
198 static int c_ign_eof = 0;
199 static int c_brief = 0;
201 static void print_stuff(BIO *berr, SSL *con, int full);
202 static int ocsp_resp_cb(SSL *s, void *arg);
204 #ifndef OPENSSL_NO_PSK
205 /* Default PSK identity and key */
206 static char *psk_identity = "Client_identity";
208 * char *psk_key=NULL; by default PSK is not used
211 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
212 unsigned int max_identity_len,
214 unsigned int max_psk_len)
216 unsigned int psk_len = 0;
221 BIO_printf(bio_c_out, "psk_client_cb\n");
223 /* no ServerKeyExchange message */
225 BIO_printf(bio_c_out,
226 "NULL received PSK identity hint, continuing anyway\n");
228 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
231 * lookup PSK identity and PSK key based on the given identity hint here
233 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
234 if (ret < 0 || (unsigned int)ret > max_identity_len)
237 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
239 ret = BN_hex2bn(&bn, psk_key);
241 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
247 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) {
249 "psk buffer of callback is too small (%d) for key (%d)\n",
250 max_psk_len, BN_num_bytes(bn));
255 psk_len = BN_bn2bin(bn, psk);
261 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
266 BIO_printf(bio_err, "Error in PSK client callback\n");
271 /* This is a context that we pass to callbacks */
272 typedef struct tlsextctx_st {
277 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
279 tlsextctx *p = (tlsextctx *) arg;
280 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
281 if (SSL_get_servername_type(s) != -1)
282 p->ack = !SSL_session_reused(s) && hn != NULL;
284 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
286 return SSL_TLSEXT_ERR_OK;
289 #ifndef OPENSSL_NO_SRP
291 /* This is a context that we pass to all callbacks */
292 typedef struct srp_arg_st {
295 int msg; /* copy from c_msg */
296 int debug; /* copy from c_debug */
297 int amp; /* allow more groups */
298 int strength /* minimal size for N */ ;
301 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
303 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
305 BN_CTX *bn_ctx = BN_CTX_new();
306 BIGNUM *p = BN_new();
307 BIGNUM *r = BN_new();
309 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
310 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
311 p != NULL && BN_rshift1(p, N) &&
313 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
315 /* verify g^((N-1)/2) == -1 (mod N) */
316 BN_mod_exp(r, g, p, N, bn_ctx) &&
317 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
326 * This callback is used here for two purposes:
327 * - extended debugging
328 * - making some primality tests for unknown groups
329 * The callback is only called for a non default group.
331 * An application does not need the call back at all if
332 * only the stanard groups are used. In real life situations,
333 * client and server already share well known groups,
334 * thus there is no need to verify them.
335 * Furthermore, in case that a server actually proposes a group that
336 * is not one of those defined in RFC 5054, it is more appropriate
337 * to add the group to a static list and then compare since
338 * primality tests are rather cpu consuming.
341 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
343 SRP_ARG *srp_arg = (SRP_ARG *)arg;
344 BIGNUM *N = NULL, *g = NULL;
346 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
348 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
349 BIO_printf(bio_err, "SRP parameters:\n");
350 BIO_printf(bio_err, "\tN=");
351 BN_print(bio_err, N);
352 BIO_printf(bio_err, "\n\tg=");
353 BN_print(bio_err, g);
354 BIO_printf(bio_err, "\n");
357 if (SRP_check_known_gN_param(g, N))
360 if (srp_arg->amp == 1) {
363 "SRP param N and g are not known params, going to check deeper.\n");
366 * The srp_moregroups is a real debugging feature. Implementors
367 * should rather add the value to the known ones. The minimal size
368 * has already been tested.
370 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
373 BIO_printf(bio_err, "SRP param N and g rejected.\n");
377 # define PWD_STRLEN 1024
379 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
381 SRP_ARG *srp_arg = (SRP_ARG *)arg;
382 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
386 cb_tmp.password = (char *)srp_arg->srppassin;
387 cb_tmp.prompt_info = "SRP user";
388 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
389 BIO_printf(bio_err, "Can't read Password\n");
400 static char *srtp_profiles = NULL;
402 #ifndef OPENSSL_NO_NEXTPROTONEG
403 /* This the context that we pass to next_proto_cb */
404 typedef struct tlsextnextprotoctx_st {
408 } tlsextnextprotoctx;
410 static tlsextnextprotoctx next_proto;
412 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
413 const unsigned char *in, unsigned int inlen,
416 tlsextnextprotoctx *ctx = arg;
419 /* We can assume that |in| is syntactically valid. */
421 BIO_printf(bio_c_out, "Protocols advertised by server: ");
422 for (i = 0; i < inlen;) {
424 BIO_write(bio_c_out, ", ", 2);
425 BIO_write(bio_c_out, &in[i + 1], in[i]);
428 BIO_write(bio_c_out, "\n", 1);
432 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
433 return SSL_TLSEXT_ERR_OK;
435 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
437 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
438 const unsigned char *in, size_t inlen,
442 unsigned char ext_buf[4 + 65536];
444 /* Reconstruct the type/len fields prior to extension data */
445 ext_buf[0] = ext_type >> 8;
446 ext_buf[1] = ext_type & 0xFF;
447 ext_buf[2] = inlen >> 8;
448 ext_buf[3] = inlen & 0xFF;
449 memcpy(ext_buf + 4, in, inlen);
451 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
453 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
457 typedef enum OPTION_choice {
458 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
459 OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX, OPT_XMPPHOST, OPT_VERIFY,
460 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
461 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
462 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
463 OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
464 OPT_PAUSE, OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
465 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
466 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
467 OPT_PSK_IDENTITY, OPT_PSK, OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH,
468 OPT_SRP_LATEUSER, OPT_SRP_MOREGROUPS, OPT_SSL3,
469 OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
470 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
471 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
472 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
473 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
474 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_JPAKE,
475 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
480 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY
483 OPTIONS s_client_options[] = {
484 {"help", OPT_HELP, '-', "Display this summary"},
485 {"host", OPT_HOST, 's', "Use -connect instead"},
486 {"port", OPT_PORT, 'p', "Use -connect instead"},
487 {"connect", OPT_CONNECT, 's',
488 "TCP/IP where to connect (default is " SSL_HOST_NAME ":" PORT_STR ")"},
489 {"proxy", OPT_PROXY, 's',
490 "Connect to via specified proxy to the real server"},
491 {"unix", OPT_UNIX, 's', "Connect over unix domain sockets"},
492 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
493 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
494 {"certform", OPT_CERTFORM, 'F',
495 "Certificate format (PEM or DER) PEM default"},
496 {"key", OPT_KEY, '<', "Private key file to use, if not in -cert file"},
497 {"keyform", OPT_KEYFORM, 'F', "Key format (PEM or DER) PEM default"},
498 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
499 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
500 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
501 {"no-CAfile", OPT_NOCAFILE, '-',
502 "Do not load the default certificates file"},
503 {"no-CApath", OPT_NOCAPATH, '-',
504 "Do not load certificates from the default certificates directory"},
505 {"reconnect", OPT_RECONNECT, '-',
506 "Drop and re-make the connection with the same Session-ID"},
507 {"pause", OPT_PAUSE, '-', "Sleep after each read and write system call"},
508 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
509 {"debug", OPT_DEBUG, '-', "Extra output"},
510 {"msg", OPT_MSG, '-', "Show protocol messages"},
511 {"msgfile", OPT_MSGFILE, '>'},
512 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
513 {"state", OPT_STATE, '-', "Print the ssl states"},
514 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
515 {"quiet", OPT_QUIET, '-', "No s_client output"},
516 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
517 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
518 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
519 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
520 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
521 {"starttls", OPT_STARTTLS, 's',
522 "Use the appropriate STARTTLS command before starting TLS"},
523 {"xmpphost", OPT_XMPPHOST, 's',
524 "Host to use with \"-starttls xmpp[-server]\""},
525 {"rand", OPT_RAND, 's',
526 "Load the file(s) into the random number generator"},
527 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
528 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
529 {"use_srtp", OPT_USE_SRTP, 's',
530 "Offer SRTP key management with a colon-separated profile list"},
531 {"keymatexport", OPT_KEYMATEXPORT, 's',
532 "Export keying material using label"},
533 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
534 "Export len bytes of keying material (default 20)"},
535 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
536 {"name", OPT_SMTPHOST, 's', "Hostname to use for \"-starttls smtp\""},
537 {"CRL", OPT_CRL, '<'},
538 {"crl_download", OPT_CRL_DOWNLOAD, '-'},
539 {"CRLform", OPT_CRLFORM, 'F'},
540 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-'},
541 {"verify_quiet", OPT_VERIFY_QUIET, '-'},
542 {"brief", OPT_BRIEF, '-'},
543 {"prexit", OPT_PREXIT, '-'},
544 {"security_debug", OPT_SECURITY_DEBUG, '-'},
545 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-'},
546 {"cert_chain", OPT_CERT_CHAIN, '<'},
547 {"chainCApath", OPT_CHAINCAPATH, '/'},
548 {"verifyCApath", OPT_VERIFYCAPATH, '/'},
549 {"build_chain", OPT_BUILD_CHAIN, '-'},
550 {"chainCAfile", OPT_CHAINCAFILE, '<'},
551 {"verifyCAfile", OPT_VERIFYCAFILE, '<'},
552 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
553 {"servername", OPT_SERVERNAME, 's',
554 "Set TLS extension servername in ClientHello"},
555 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
556 "Hex dump of all TLS extensions received"},
557 {"status", OPT_STATUS, '-', "Request certificate status from server"},
558 {"serverinfo", OPT_SERVERINFO, 's',
559 "types Send empty ClientHello extensions (comma-separated numbers)"},
560 {"alpn", OPT_ALPN, 's',
561 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
562 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
566 #ifndef OPENSSL_NO_SSL3
567 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
569 #ifndef OPENSSL_NO_DTLS1
570 {"dtls", OPT_DTLS, '-'},
571 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
572 {"dtls1_2", OPT_DTLS1_2, '-'},
573 {"timeout", OPT_TIMEOUT, '-'},
574 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
576 #ifndef OPENSSL_NO_SSL_TRACE
577 {"trace", OPT_TRACE, '-'},
580 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
583 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
585 #ifndef OPENSSL_NO_PSK
586 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
587 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
588 # ifndef OPENSSL_NO_JPAKE
589 {"jpake", OPT_JPAKE, 's', "JPAKE secret to use"},
592 #ifndef OPENSSL_NO_SRP
593 {"srpuser", OPT_SRPUSER, 's', "SRP authentification for 'user'"},
594 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
595 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
596 "SRP username into second ClientHello message"},
597 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
598 "Tolerate other than the known g N values."},
599 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
601 #ifndef OPENSSL_NO_NEXTPROTONEG
602 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
603 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
605 #ifndef OPENSSL_NO_ENGINE
606 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
607 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's'},
612 typedef enum PROTOCOL_choice {
625 static OPT_PAIR services[] = {
626 {"smtp", PROTO_SMTP},
627 {"pop3", PROTO_POP3},
628 {"imap", PROTO_IMAP},
630 {"xmpp", PROTO_XMPP},
631 {"xmpp-server", PROTO_XMPP_SERVER},
632 {"telnet", PROTO_TELNET},
637 int s_client_main(int argc, char **argv)
640 EVP_PKEY *key = NULL;
643 STACK_OF(X509) *chain = NULL;
645 X509_VERIFY_PARAM *vpm = NULL;
646 SSL_EXCERT *exc = NULL;
647 SSL_CONF_CTX *cctx = NULL;
648 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
649 STACK_OF(X509_CRL) *crls = NULL;
650 const SSL_METHOD *meth = TLS_client_method();
651 char *CApath = NULL, *CAfile = NULL, *cbuf = NULL, *sbuf = NULL;
652 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
653 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL, *prog;
654 char *chCApath = NULL, *chCAfile = NULL, *host = SSL_HOST_NAME;
656 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
657 char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;
658 char *jpake_secret = NULL, *xmpphost = NULL;
659 const char *unix_path = NULL;
660 const char *ehlo = "mail.example.com";
661 struct sockaddr peer;
662 struct timeval timeout, *timeoutp;
663 fd_set readfds, writefds;
664 int noCApath = 0, noCAfile = 0;
665 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
666 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
668 int enable_timeouts = 0, sdebug = 0, peerlen = sizeof peer;
669 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
670 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
671 int sbuf_len, sbuf_off, socket_type = SOCK_STREAM, cmdletters = 1;
672 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
673 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
674 int fallback_scsv = 0;
675 long socket_mtu = 0, randamt = 0;
676 unsigned short port = PORT;
678 #ifndef OPENSSL_NO_ENGINE
679 ENGINE *ssl_client_engine = NULL;
682 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
685 char *servername = NULL;
686 const char *alpn_in = NULL;
687 tlsextctx tlsextcbp = { NULL, 0 };
688 #define MAX_SI_TYPES 100
689 unsigned short serverinfo_types[MAX_SI_TYPES];
690 int serverinfo_count = 0, start = 0, len;
691 #ifndef OPENSSL_NO_NEXTPROTONEG
692 const char *next_proto_neg_in = NULL;
694 #ifndef OPENSSL_NO_SRP
695 char *srppass = NULL;
696 int srp_lateuser = 0;
697 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
700 prog = opt_progname(argv[0]);
709 verify_error = X509_V_OK;
710 vpm = X509_VERIFY_PARAM_new();
711 cbuf = app_malloc(BUFSIZZ, "cbuf");
712 sbuf = app_malloc(BUFSIZZ, "sbuf");
713 mbuf = app_malloc(BUFSIZZ, "mbuf");
714 cctx = SSL_CONF_CTX_new();
716 if (vpm == NULL || cctx == NULL) {
717 BIO_printf(bio_err, "%s: out of memory\n", prog);
721 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
723 prog = opt_init(argc, argv, s_client_options);
724 while ((o = opt_next()) != OPT_EOF) {
729 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
732 opt_help(s_client_options);
739 port = atoi(opt_arg());
742 connectstr = opt_arg();
745 proxystr = opt_arg();
746 starttls_proto = PROTO_CONNECT;
749 unix_path = opt_arg();
752 xmpphost = opt_arg();
758 verify = SSL_VERIFY_PEER;
759 verify_depth = atoi(opt_arg());
761 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
764 cert_file = opt_arg();
767 crl_file = opt_arg();
769 case OPT_CRL_DOWNLOAD:
773 sess_out = opt_arg();
779 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
783 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
786 case OPT_VERIFY_RET_ERROR:
787 verify_return_error = 1;
789 case OPT_VERIFY_QUIET:
793 c_brief = verify_quiet = c_quiet = 1;
796 if (ssl_args == NULL)
797 ssl_args = sk_OPENSSL_STRING_new_null();
799 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
800 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
801 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
806 if (!opt_verify(o, vpm))
811 if (!args_excert(o, &exc))
821 c_quiet = c_ign_eof = 1;
830 e = setup_engine(opt_arg(), 1);
832 case OPT_SSL_CLIENT_ENGINE:
833 #ifndef OPENSSL_NO_ENGINE
834 ssl_client_engine = ENGINE_by_id(opt_arg());
835 if (ssl_client_engine == NULL) {
836 BIO_printf(bio_err, "Error getting client auth engine\n");
857 case OPT_TLSEXTDEBUG:
872 bio_c_msg = BIO_new_file(opt_arg(), "w");
875 #ifndef OPENSSL_NO_SSL_TRACE
879 case OPT_SECURITY_DEBUG:
882 case OPT_SECURITY_DEBUG_VERBOSE:
894 #ifndef OPENSSL_NO_PSK
895 case OPT_PSK_IDENTITY:
896 psk_identity = opt_arg();
899 for (p = psk_key = opt_arg(); *p; p++) {
902 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
907 case OPT_PSK_IDENTITY:
911 #ifndef OPENSSL_NO_SRP
913 srp_arg.srplogin = opt_arg();
914 meth = TLSv1_client_method();
918 meth = TLSv1_client_method();
920 case OPT_SRP_STRENGTH:
921 srp_arg.strength = atoi(opt_arg());
922 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
924 meth = TLSv1_client_method();
926 case OPT_SRP_LATEUSER:
928 meth = TLSv1_client_method();
930 case OPT_SRP_MOREGROUPS:
932 meth = TLSv1_client_method();
937 case OPT_SRP_STRENGTH:
938 case OPT_SRP_LATEUSER:
939 case OPT_SRP_MOREGROUPS:
943 #ifndef OPENSSL_NO_SSL3
944 meth = SSLv3_client_method();
948 meth = TLSv1_2_client_method();
951 meth = TLSv1_1_client_method();
954 meth = TLSv1_client_method();
956 #ifndef OPENSSL_NO_DTLS1
958 meth = DTLS_client_method();
959 socket_type = SOCK_DGRAM;
962 meth = DTLSv1_client_method();
963 socket_type = SOCK_DGRAM;
966 meth = DTLSv1_2_client_method();
967 socket_type = SOCK_DGRAM;
973 socket_mtu = atol(opt_arg());
983 case OPT_FALLBACKSCSV:
987 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
994 chain_file = opt_arg();
997 key_file = opt_arg();
1008 case OPT_CHAINCAPATH:
1009 chCApath = opt_arg();
1011 case OPT_VERIFYCAPATH:
1012 vfyCApath = opt_arg();
1014 case OPT_BUILD_CHAIN:
1023 case OPT_CHAINCAFILE:
1024 chCAfile = opt_arg();
1026 case OPT_VERIFYCAFILE:
1027 vfyCAfile = opt_arg();
1029 case OPT_NEXTPROTONEG:
1030 next_proto_neg_in = opt_arg();
1033 alpn_in = opt_arg();
1035 case OPT_SERVERINFO:
1038 for (start = 0, i = 0; i <= len; ++i) {
1039 if (i == len || p[i] == ',') {
1040 serverinfo_types[serverinfo_count] = atoi(p + start);
1041 if (++serverinfo_count == MAX_SI_TYPES)
1048 if (!opt_pair(opt_arg(), services, &starttls_proto))
1050 case OPT_SERVERNAME:
1051 servername = opt_arg();
1054 #ifndef OPENSSL_NO_JPAKE
1055 jpake_secret = opt_arg();
1059 srtp_profiles = opt_arg();
1061 case OPT_KEYMATEXPORT:
1062 keymatexportlabel = opt_arg();
1064 case OPT_KEYMATEXPORTLEN:
1065 keymatexportlen = atoi(opt_arg());
1072 argc = opt_num_rest();
1076 if (connectstr == NULL) {
1077 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1080 if (!extract_host_port(proxystr, &host, NULL, &port))
1083 else if (connectstr != NULL
1084 && !extract_host_port(connectstr, &host, NULL, &port))
1087 if (unix_path && (socket_type != SOCK_STREAM)) {
1089 "Can't use unix sockets and datagrams together\n");
1092 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1095 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n");
1098 psk_identity = "JPAKE";
1102 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1103 next_proto.status = -1;
1104 if (next_proto_neg_in) {
1106 next_protos_parse(&next_proto.len, next_proto_neg_in);
1107 if (next_proto.data == NULL) {
1108 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1112 next_proto.data = NULL;
1115 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1116 BIO_printf(bio_err, "Error getting password\n");
1120 if (key_file == NULL)
1121 key_file = cert_file;
1124 key = load_key(key_file, key_format, 0, pass, e,
1125 "client certificate private key file");
1127 ERR_print_errors(bio_err);
1133 cert = load_cert(cert_file, cert_format,
1134 NULL, e, "client certificate file");
1136 ERR_print_errors(bio_err);
1142 chain = load_certs(chain_file, FORMAT_PEM,
1143 NULL, e, "client certificate chain");
1150 crl = load_crl(crl_file, crl_format);
1152 BIO_puts(bio_err, "Error loading CRL\n");
1153 ERR_print_errors(bio_err);
1156 crls = sk_X509_CRL_new_null();
1157 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1158 BIO_puts(bio_err, "Error adding CRL\n");
1159 ERR_print_errors(bio_err);
1165 if (!load_excert(&exc))
1168 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1169 && !RAND_status()) {
1171 "warning, not much extra random data, consider using the -rand option\n");
1173 if (inrand != NULL) {
1174 randamt = app_RAND_load_files(inrand);
1175 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1178 if (bio_c_out == NULL) {
1179 if (c_quiet && !c_debug) {
1180 bio_c_out = BIO_new(BIO_s_null());
1181 if (c_msg && !bio_c_msg)
1182 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1183 } else if (bio_c_out == NULL)
1184 bio_c_out = dup_bio_out(FORMAT_TEXT);
1186 #ifndef OPENSSL_NO_SRP
1187 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1188 BIO_printf(bio_err, "Error getting password\n");
1193 ctx = SSL_CTX_new(meth);
1195 ERR_print_errors(bio_err);
1200 ssl_ctx_security_debug(ctx, sdebug);
1202 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1203 BIO_printf(bio_err, "Error setting verify params\n");
1204 ERR_print_errors(bio_err);
1209 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1211 if (!config_ctx(cctx, ssl_args, ctx, 1, jpake_secret == NULL))
1214 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1215 crls, crl_download)) {
1216 BIO_printf(bio_err, "Error loading store locations\n");
1217 ERR_print_errors(bio_err);
1220 #ifndef OPENSSL_NO_ENGINE
1221 if (ssl_client_engine) {
1222 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1223 BIO_puts(bio_err, "Error setting client auth engine\n");
1224 ERR_print_errors(bio_err);
1225 ENGINE_free(ssl_client_engine);
1228 ENGINE_free(ssl_client_engine);
1232 #ifndef OPENSSL_NO_PSK
1233 if (psk_key != NULL || jpake_secret) {
1235 BIO_printf(bio_c_out,
1236 "PSK key given or JPAKE in use, setting client callback\n");
1237 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1240 #ifndef OPENSSL_NO_SRTP
1241 if (srtp_profiles != NULL) {
1242 /* Returns 0 on success! */
1243 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1244 BIO_printf(bio_err, "Error setting SRTP profile\n");
1245 ERR_print_errors(bio_err);
1252 ssl_ctx_set_excert(ctx, exc);
1254 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1255 if (next_proto.data)
1256 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1259 unsigned short alpn_len;
1260 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1263 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1266 /* Returns 0 on success! */
1267 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1268 BIO_printf(bio_err, "Error setting ALPN\n");
1274 for (i = 0; i < serverinfo_count; i++) {
1275 if (!SSL_CTX_add_client_custom_ext(ctx,
1276 serverinfo_types[i],
1278 serverinfo_cli_parse_cb, NULL)) {
1280 "Warning: Unable to add custom extension %u, skipping\n",
1281 serverinfo_types[i]);
1286 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1288 SSL_CTX_set_verify(ctx, verify, verify_callback);
1290 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1291 ERR_print_errors(bio_err);
1295 ssl_ctx_add_crls(ctx, crls, crl_download);
1297 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1300 if (servername != NULL) {
1301 tlsextcbp.biodebug = bio_err;
1302 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1303 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1305 # ifndef OPENSSL_NO_SRP
1306 if (srp_arg.srplogin) {
1307 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1308 BIO_printf(bio_err, "Unable to set SRP username\n");
1311 srp_arg.msg = c_msg;
1312 srp_arg.debug = c_debug;
1313 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1314 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1315 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1316 if (c_msg || c_debug || srp_arg.amp == 0)
1317 SSL_CTX_set_srp_verify_param_callback(ctx,
1318 ssl_srp_verify_param_cb);
1325 BIO *stmp = BIO_new_file(sess_in, "r");
1327 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1328 ERR_print_errors(bio_err);
1331 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1334 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1335 ERR_print_errors(bio_err);
1338 if (!SSL_set_session(con, sess)) {
1339 BIO_printf(bio_err, "Can't set session\n");
1340 ERR_print_errors(bio_err);
1343 SSL_SESSION_free(sess);
1347 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1349 if (servername != NULL) {
1350 if (!SSL_set_tlsext_host_name(con, servername)) {
1351 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1352 ERR_print_errors(bio_err);
1359 if (init_client(&s, host, port, socket_type) == 0)
1361 if ((!unix_path && (init_client(&s, host, port, socket_type) == 0)) ||
1362 (unix_path && (init_client_unix(&s, unix_path) == 0)))
1365 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1369 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1373 unsigned long l = 1;
1374 BIO_printf(bio_c_out, "turning on non blocking io\n");
1375 if (BIO_socket_ioctl(s, FIONBIO, &l) < 0) {
1376 ERR_print_errors(bio_err);
1382 SSL_set_debug(con, 1);
1384 if (socket_type == SOCK_DGRAM) {
1386 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1387 if (getsockname(s, &peer, (void *)&peerlen) < 0) {
1388 BIO_printf(bio_err, "getsockname:errno=%d\n",
1389 get_last_socket_error());
1394 (void)BIO_ctrl_set_connected(sbio, &peer);
1396 if (enable_timeouts) {
1398 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1399 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1402 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1403 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1407 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1408 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1409 DTLS_get_link_min_mtu(con));
1413 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1414 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1415 BIO_printf(bio_err, "Failed to set MTU\n");
1420 /* want to do MTU discovery */
1421 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1423 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1428 test = BIO_new(BIO_f_nbio_test());
1429 sbio = BIO_push(test, sbio);
1433 SSL_set_debug(con, 1);
1434 BIO_set_callback(sbio, bio_dump_callback);
1435 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1438 #ifndef OPENSSL_NO_SSL_TRACE
1440 SSL_set_msg_callback(con, SSL_trace);
1443 SSL_set_msg_callback(con, msg_cb);
1444 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1447 if (c_tlsextdebug) {
1448 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1449 SSL_set_tlsext_debug_arg(con, bio_c_out);
1452 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1453 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1454 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1456 #ifndef OPENSSL_NO_JPAKE
1458 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1461 SSL_set_bio(con, sbio, sbio);
1462 SSL_set_connect_state(con);
1464 /* ok, lets connect */
1465 width = SSL_get_fd(con) + 1;
1478 switch ((PROTOCOL_CHOICE) starttls_proto) {
1484 * This is an ugly hack that does a lot of assumptions. We do
1485 * have to handle multi-line responses which may come in a single
1486 * packet or not. We therefore have to use BIO_gets() which does
1487 * need a buffering BIO. So during the initial chitchat we do
1488 * push a buffering BIO into the chain that is removed again
1489 * later on to not disturb the rest of the s_client operation.
1492 BIO *fbio = BIO_new(BIO_f_buffer());
1493 BIO_push(fbio, sbio);
1494 /* wait for multi-line response to end from SMTP */
1496 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1498 while (mbuf_len > 3 && mbuf[3] == '-');
1499 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1500 (void)BIO_flush(fbio);
1501 /* wait for multi-line response to end EHLO SMTP response */
1503 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1504 if (strstr(mbuf, "STARTTLS"))
1507 while (mbuf_len > 3 && mbuf[3] == '-');
1508 (void)BIO_flush(fbio);
1513 "didn't found starttls in server response,"
1514 " try anyway...\n");
1515 BIO_printf(sbio, "STARTTLS\r\n");
1516 BIO_read(sbio, sbuf, BUFSIZZ);
1521 BIO_read(sbio, mbuf, BUFSIZZ);
1522 BIO_printf(sbio, "STLS\r\n");
1523 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1525 BIO_printf(bio_err, "BIO_read failed\n");
1533 BIO *fbio = BIO_new(BIO_f_buffer());
1534 BIO_push(fbio, sbio);
1535 BIO_gets(fbio, mbuf, BUFSIZZ);
1536 /* STARTTLS command requires CAPABILITY... */
1537 BIO_printf(fbio, ". CAPABILITY\r\n");
1538 (void)BIO_flush(fbio);
1539 /* wait for multi-line CAPABILITY response */
1541 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1542 if (strstr(mbuf, "STARTTLS"))
1545 while (mbuf_len > 3 && mbuf[0] != '.');
1546 (void)BIO_flush(fbio);
1551 "didn't found STARTTLS in server response,"
1552 " try anyway...\n");
1553 BIO_printf(sbio, ". STARTTLS\r\n");
1554 BIO_read(sbio, sbuf, BUFSIZZ);
1559 BIO *fbio = BIO_new(BIO_f_buffer());
1560 BIO_push(fbio, sbio);
1561 /* wait for multi-line response to end from FTP */
1563 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1565 while (mbuf_len > 3 && mbuf[3] == '-');
1566 (void)BIO_flush(fbio);
1569 BIO_printf(sbio, "AUTH TLS\r\n");
1570 BIO_read(sbio, sbuf, BUFSIZZ);
1574 case PROTO_XMPP_SERVER:
1577 BIO_printf(sbio, "<stream:stream "
1578 "xmlns:stream='http://etherx.jabber.org/streams' "
1579 "xmlns='jabber:%s' to='%s' version='1.0'>",
1580 starttls_proto == PROTO_XMPP ? "client" : "server",
1581 xmpphost ? xmpphost : host);
1582 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1585 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1587 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1589 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1597 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1598 seen = BIO_read(sbio, sbuf, BUFSIZZ);
1600 if (!strstr(sbuf, "<proceed"))
1607 static const unsigned char tls_do[] = {
1608 /* IAC DO START_TLS */
1611 static const unsigned char tls_will[] = {
1612 /* IAC WILL START_TLS */
1615 static const unsigned char tls_follows[] = {
1616 /* IAC SB START_TLS FOLLOWS IAC SE */
1617 255, 250, 46, 1, 255, 240
1621 /* Telnet server should demand we issue START_TLS */
1622 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1623 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
1625 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
1626 BIO_write(sbio, tls_will, 3);
1627 BIO_write(sbio, tls_follows, 6);
1628 (void)BIO_flush(sbio);
1629 /* Telnet server also sent the FOLLOWS sub-command */
1630 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1631 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
1638 BIO *fbio = BIO_new(BIO_f_buffer());
1640 BIO_push(fbio, sbio);
1641 BIO_printf(fbio, "CONNECT %s\r\n\r\n", connectstr);
1642 (void)BIO_flush(fbio);
1643 /* wait for multi-line response to end CONNECT response */
1645 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1646 if (strstr(mbuf, "200") != NULL
1647 && strstr(mbuf, "established") != NULL)
1649 } while (mbuf_len > 3 && foundit == 0);
1650 (void)BIO_flush(fbio);
1654 BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
1662 BIO *fbio = BIO_new(BIO_f_buffer());
1664 BIO_push(fbio, sbio);
1665 BIO_printf(fbio, "STARTTLS\r\n");
1666 (void)BIO_flush(fbio);
1667 width = SSL_get_fd(con) + 1;
1673 openssl_fdset(SSL_get_fd(con), &readfds);
1674 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
1675 timeout.tv_usec = 0;
1677 * If the IRCd doesn't respond within
1678 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
1679 * it doesn't support STARTTLS. Many IRCds
1680 * will not give _any_ sort of response to a
1681 * STARTTLS command when it's not supported.
1683 if (!BIO_get_buffer_num_lines(fbio)
1684 && !BIO_pending(fbio)
1685 && !BIO_pending(sbio)
1686 && select(width, (void *)&readfds, NULL, NULL,
1689 "Timeout waiting for response (%d seconds).\n",
1690 S_CLIENT_IRC_READ_TIMEOUT);
1694 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1695 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
1697 /* :example.net 451 STARTTLS :You have not registered */
1698 /* :example.net 421 STARTTLS :Unknown command */
1699 if ((numeric == 451 || numeric == 421)
1700 && strstr(mbuf, "STARTTLS") != NULL) {
1701 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
1704 if (numeric == 691) {
1705 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
1706 ERR_print_errors(bio_err);
1709 } while (numeric != 670);
1711 (void)BIO_flush(fbio);
1714 if (numeric != 670) {
1715 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
1726 if ((SSL_version(con) == DTLS1_VERSION) &&
1727 DTLSv1_get_timeout(con, &timeout))
1728 timeoutp = &timeout;
1732 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
1740 if (servername != NULL && !SSL_session_reused(con)) {
1741 BIO_printf(bio_c_out,
1742 "Server did %sacknowledge servername extension.\n",
1743 tlsextcbp.ack ? "" : "not ");
1747 BIO *stmp = BIO_new_file(sess_out, "w");
1749 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1752 BIO_printf(bio_err, "Error writing session file %s\n",
1756 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
1757 print_ssl_summary(con);
1760 print_stuff(bio_c_out, con, full_log);
1764 if (starttls_proto) {
1765 BIO_write(bio_err, mbuf, mbuf_len);
1766 /* We don't need to know any more */
1768 starttls_proto = PROTO_OFF;
1773 BIO_printf(bio_c_out,
1774 "drop connection and then reconnect\n");
1776 SSL_set_connect_state(con);
1777 SHUTDOWN(SSL_get_fd(con));
1783 ssl_pending = read_ssl && SSL_pending(con);
1786 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
1789 openssl_fdset(fileno(stdin), &readfds);
1791 openssl_fdset(fileno(stdout), &writefds);
1794 openssl_fdset(SSL_get_fd(con), &readfds);
1796 openssl_fdset(SSL_get_fd(con), &writefds);
1798 if (!tty_on || !write_tty) {
1800 openssl_fdset(SSL_get_fd(con), &readfds);
1802 openssl_fdset(SSL_get_fd(con), &writefds);
1807 * Note: under VMS with SOCKETSHR the second parameter is
1808 * currently of type (int *) whereas under other systems it is
1809 * (void *) if you don't have a cast it will choke the compiler:
1810 * if you do have a cast then you can either go for (int *) or
1813 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1815 * Under Windows/DOS we make the assumption that we can always
1816 * write to the tty: therefore if we need to write to the tty we
1817 * just fall through. Otherwise we timeout the select every
1818 * second and see if there are any keypresses. Note: this is a
1819 * hack, in a proper Windows application we wouldn't do this.
1826 i = select(width, (void *)&readfds, (void *)&writefds,
1828 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1829 if (!i && (!_kbhit() || !read_tty))
1832 if (!i && (!((_kbhit())
1833 || (WAIT_OBJECT_0 ==
1834 WaitForSingleObject(GetStdHandle
1841 i = select(width, (void *)&readfds, (void *)&writefds,
1844 #elif defined(OPENSSL_SYS_NETWARE)
1849 i = select(width, (void *)&readfds, (void *)&writefds,
1852 i = select(width, (void *)&readfds, (void *)&writefds,
1856 i = select(width, (void *)&readfds, (void *)&writefds,
1860 BIO_printf(bio_err, "bad select %d\n",
1861 get_last_socket_error());
1867 if ((SSL_version(con) == DTLS1_VERSION)
1868 && DTLSv1_handle_timeout(con) > 0) {
1869 BIO_printf(bio_err, "TIMEOUT occurred\n");
1872 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
1873 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
1874 switch (SSL_get_error(con, k)) {
1875 case SSL_ERROR_NONE:
1880 /* we have done a write(con,NULL,0); */
1881 if (cbuf_len <= 0) {
1884 } else { /* if (cbuf_len > 0) */
1890 case SSL_ERROR_WANT_WRITE:
1891 BIO_printf(bio_c_out, "write W BLOCK\n");
1895 case SSL_ERROR_WANT_ASYNC:
1896 BIO_printf(bio_c_out, "write A BLOCK\n");
1900 case SSL_ERROR_WANT_READ:
1901 BIO_printf(bio_c_out, "write R BLOCK\n");
1906 case SSL_ERROR_WANT_X509_LOOKUP:
1907 BIO_printf(bio_c_out, "write X BLOCK\n");
1909 case SSL_ERROR_ZERO_RETURN:
1910 if (cbuf_len != 0) {
1911 BIO_printf(bio_c_out, "shutdown\n");
1920 case SSL_ERROR_SYSCALL:
1921 if ((k != 0) || (cbuf_len != 0)) {
1922 BIO_printf(bio_err, "write:errno=%d\n",
1923 get_last_socket_error());
1931 ERR_print_errors(bio_err);
1935 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1936 /* Assume Windows/DOS/BeOS can always write */
1937 else if (!ssl_pending && write_tty)
1939 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
1942 #ifdef CHARSET_EBCDIC
1943 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
1945 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
1948 BIO_printf(bio_c_out, "DONE\n");
1956 if (sbuf_len <= 0) {
1960 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
1965 SSL_renegotiate(con);
1970 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
1972 switch (SSL_get_error(con, k)) {
1973 case SSL_ERROR_NONE:
1982 case SSL_ERROR_WANT_ASYNC:
1983 BIO_printf(bio_c_out, "read A BLOCK\n");
1986 if ((read_tty == 0) && (write_ssl == 0))
1989 case SSL_ERROR_WANT_WRITE:
1990 BIO_printf(bio_c_out, "read W BLOCK\n");
1994 case SSL_ERROR_WANT_READ:
1995 BIO_printf(bio_c_out, "read R BLOCK\n");
1998 if ((read_tty == 0) && (write_ssl == 0))
2001 case SSL_ERROR_WANT_X509_LOOKUP:
2002 BIO_printf(bio_c_out, "read X BLOCK\n");
2004 case SSL_ERROR_SYSCALL:
2005 ret = get_last_socket_error();
2007 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2009 BIO_printf(bio_err, "read:errno=%d\n", ret);
2011 case SSL_ERROR_ZERO_RETURN:
2012 BIO_printf(bio_c_out, "closed\n");
2016 ERR_print_errors(bio_err);
2021 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2022 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2026 || (WAIT_OBJECT_0 ==
2027 WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2029 #elif defined (OPENSSL_SYS_NETWARE)
2032 else if (FD_ISSET(fileno(stdin), &readfds))
2038 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2040 /* both loops are skipped when i <= 0 */
2041 for (j = 0; j < i; j++)
2042 if (cbuf[j] == '\n')
2044 for (j = i - 1; j >= 0; j--) {
2045 cbuf[j + lf_num] = cbuf[j];
2046 if (cbuf[j] == '\n') {
2049 cbuf[j + lf_num] = '\r';
2052 assert(lf_num == 0);
2054 i = raw_read_stdin(cbuf, BUFSIZZ);
2056 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2057 BIO_printf(bio_err, "DONE\n");
2062 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2063 BIO_printf(bio_err, "RENEGOTIATING\n");
2064 SSL_renegotiate(con);
2067 #ifndef OPENSSL_NO_HEARTBEATS
2068 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2069 BIO_printf(bio_err, "HEARTBEATING\n");
2077 #ifdef CHARSET_EBCDIC
2078 ebcdic2ascii(cbuf, cbuf, i);
2090 print_stuff(bio_c_out, con, full_log);
2092 SHUTDOWN(SSL_get_fd(con));
2096 print_stuff(bio_c_out, con, 1);
2099 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2100 OPENSSL_free(next_proto.data);
2104 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2106 sk_X509_pop_free(chain, X509_free);
2108 #ifndef OPENSSL_NO_SRP
2109 OPENSSL_free(srp_arg.srppassin);
2111 X509_VERIFY_PARAM_free(vpm);
2112 ssl_excert_free(exc);
2113 sk_OPENSSL_STRING_free(ssl_args);
2114 SSL_CONF_CTX_free(cctx);
2115 OPENSSL_clear_free(cbuf, BUFSIZZ);
2116 OPENSSL_clear_free(sbuf, BUFSIZZ);
2117 OPENSSL_clear_free(mbuf, BUFSIZZ);
2118 BIO_free(bio_c_out);
2120 BIO_free(bio_c_msg);
2125 static void print_stuff(BIO *bio, SSL *s, int full)
2130 STACK_OF(X509_NAME) *sk2;
2131 const SSL_CIPHER *c;
2134 #ifndef OPENSSL_NO_COMP
2135 const COMP_METHOD *comp, *expansion;
2137 unsigned char *exportedkeymat;
2140 int got_a_chain = 0;
2142 sk = SSL_get_peer_cert_chain(s);
2146 BIO_printf(bio, "---\nCertificate chain\n");
2147 for (i = 0; i < sk_X509_num(sk); i++) {
2148 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2150 BIO_printf(bio, "%2d s:%s\n", i, buf);
2151 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2153 BIO_printf(bio, " i:%s\n", buf);
2155 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2159 BIO_printf(bio, "---\n");
2160 peer = SSL_get_peer_certificate(s);
2162 BIO_printf(bio, "Server certificate\n");
2164 /* Redundant if we showed the whole chain */
2165 if (!(c_showcerts && got_a_chain))
2166 PEM_write_bio_X509(bio, peer);
2167 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2168 BIO_printf(bio, "subject=%s\n", buf);
2169 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2170 BIO_printf(bio, "issuer=%s\n", buf);
2172 BIO_printf(bio, "no peer certificate available\n");
2174 sk2 = SSL_get_client_CA_list(s);
2175 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2176 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2177 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2178 xn = sk_X509_NAME_value(sk2, i);
2179 X509_NAME_oneline(xn, buf, sizeof(buf));
2180 BIO_write(bio, buf, strlen(buf));
2181 BIO_write(bio, "\n", 1);
2184 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2187 ssl_print_sigalgs(bio, s);
2188 ssl_print_tmp_key(bio, s);
2191 "---\nSSL handshake has read %"PRIu64" bytes and written %"PRIu64" bytes\n",
2192 BIO_number_read(SSL_get_rbio(s)),
2193 BIO_number_written(SSL_get_wbio(s)));
2195 BIO_printf(bio, (SSL_cache_hit(s) ? "---\nReused, " : "---\nNew, "));
2196 c = SSL_get_current_cipher(s);
2197 BIO_printf(bio, "%s, Cipher is %s\n",
2198 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2201 pktmp = X509_get_pubkey(peer);
2202 BIO_printf(bio, "Server public key is %d bit\n",
2203 EVP_PKEY_bits(pktmp));
2204 EVP_PKEY_free(pktmp);
2206 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2207 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2208 #ifndef OPENSSL_NO_COMP
2209 comp = SSL_get_current_compression(s);
2210 expansion = SSL_get_current_expansion(s);
2211 BIO_printf(bio, "Compression: %s\n",
2212 comp ? SSL_COMP_get_name(comp) : "NONE");
2213 BIO_printf(bio, "Expansion: %s\n",
2214 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2219 /* Print out local port of connection: useful for debugging */
2221 struct sockaddr_in ladd;
2222 socklen_t ladd_size = sizeof(ladd);
2223 sock = SSL_get_fd(s);
2224 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2225 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2229 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2230 if (next_proto.status != -1) {
2231 const unsigned char *proto;
2232 unsigned int proto_len;
2233 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2234 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2235 BIO_write(bio, proto, proto_len);
2236 BIO_write(bio, "\n", 1);
2240 const unsigned char *proto;
2241 unsigned int proto_len;
2242 SSL_get0_alpn_selected(s, &proto, &proto_len);
2243 if (proto_len > 0) {
2244 BIO_printf(bio, "ALPN protocol: ");
2245 BIO_write(bio, proto, proto_len);
2246 BIO_write(bio, "\n", 1);
2248 BIO_printf(bio, "No ALPN negotiated\n");
2251 #ifndef OPENSSL_NO_SRTP
2253 SRTP_PROTECTION_PROFILE *srtp_profile =
2254 SSL_get_selected_srtp_profile(s);
2257 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2258 srtp_profile->name);
2262 SSL_SESSION_print(bio, SSL_get_session(s));
2263 if (keymatexportlabel != NULL) {
2264 BIO_printf(bio, "Keying material exporter:\n");
2265 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2266 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2267 exportedkeymat = app_malloc(keymatexportlen, "export key");
2268 if (!SSL_export_keying_material(s, exportedkeymat,
2271 strlen(keymatexportlabel),
2273 BIO_printf(bio, " Error\n");
2275 BIO_printf(bio, " Keying material: ");
2276 for (i = 0; i < keymatexportlen; i++)
2277 BIO_printf(bio, "%02X", exportedkeymat[i]);
2278 BIO_printf(bio, "\n");
2280 OPENSSL_free(exportedkeymat);
2282 BIO_printf(bio, "---\n");
2284 /* flush, or debugging output gets mixed with http response */
2285 (void)BIO_flush(bio);
2288 static int ocsp_resp_cb(SSL *s, void *arg)
2290 const unsigned char *p;
2293 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2294 BIO_puts(arg, "OCSP response: ");
2296 BIO_puts(arg, "no response sent\n");
2299 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2301 BIO_puts(arg, "response parse error\n");
2302 BIO_dump_indent(arg, (char *)p, len, 4);
2305 BIO_puts(arg, "\n======================================\n");
2306 OCSP_RESPONSE_print(arg, rsp, 0);
2307 BIO_puts(arg, "======================================\n");
2308 OCSP_RESPONSE_free(rsp);