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 c_nbio = 0;
186 static int c_tlsextdebug = 0;
187 static int c_status_req = 0;
188 static int c_Pause = 0;
189 static int c_debug = 0;
190 static int c_msg = 0;
191 static int c_showcerts = 0;
192 static char *keymatexportlabel = NULL;
193 static int keymatexportlen = 20;
194 static BIO *bio_c_out = NULL;
195 static BIO *bio_c_msg = NULL;
196 static int c_quiet = 0;
197 static int c_ign_eof = 0;
198 static int c_brief = 0;
200 static void print_stuff(BIO *berr, SSL *con, int full);
201 static int ocsp_resp_cb(SSL *s, void *arg);
203 #ifndef OPENSSL_NO_PSK
204 /* Default PSK identity and key */
205 static char *psk_identity = "Client_identity";
207 * char *psk_key=NULL; by default PSK is not used
210 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
211 unsigned int max_identity_len,
213 unsigned int max_psk_len)
215 unsigned int psk_len = 0;
220 BIO_printf(bio_c_out, "psk_client_cb\n");
222 /* no ServerKeyExchange message */
224 BIO_printf(bio_c_out,
225 "NULL received PSK identity hint, continuing anyway\n");
227 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
230 * lookup PSK identity and PSK key based on the given identity hint here
232 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
233 if (ret < 0 || (unsigned int)ret > max_identity_len)
236 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
238 ret = BN_hex2bn(&bn, psk_key);
240 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
246 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) {
248 "psk buffer of callback is too small (%d) for key (%d)\n",
249 max_psk_len, BN_num_bytes(bn));
254 psk_len = BN_bn2bin(bn, psk);
260 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
265 BIO_printf(bio_err, "Error in PSK client callback\n");
270 /* This is a context that we pass to callbacks */
271 typedef struct tlsextctx_st {
276 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
278 tlsextctx *p = (tlsextctx *) arg;
279 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
280 if (SSL_get_servername_type(s) != -1)
281 p->ack = !SSL_session_reused(s) && hn != NULL;
283 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
285 return SSL_TLSEXT_ERR_OK;
288 #ifndef OPENSSL_NO_SRP
290 /* This is a context that we pass to all callbacks */
291 typedef struct srp_arg_st {
294 int msg; /* copy from c_msg */
295 int debug; /* copy from c_debug */
296 int amp; /* allow more groups */
297 int strength /* minimal size for N */ ;
300 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
302 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
304 BN_CTX *bn_ctx = BN_CTX_new();
305 BIGNUM *p = BN_new();
306 BIGNUM *r = BN_new();
308 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
309 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
310 p != NULL && BN_rshift1(p, N) &&
312 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
314 /* verify g^((N-1)/2) == -1 (mod N) */
315 BN_mod_exp(r, g, p, N, bn_ctx) &&
316 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
325 * This callback is used here for two purposes:
326 * - extended debugging
327 * - making some primality tests for unknown groups
328 * The callback is only called for a non default group.
330 * An application does not need the call back at all if
331 * only the stanard groups are used. In real life situations,
332 * client and server already share well known groups,
333 * thus there is no need to verify them.
334 * Furthermore, in case that a server actually proposes a group that
335 * is not one of those defined in RFC 5054, it is more appropriate
336 * to add the group to a static list and then compare since
337 * primality tests are rather cpu consuming.
340 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
342 SRP_ARG *srp_arg = (SRP_ARG *)arg;
343 BIGNUM *N = NULL, *g = NULL;
345 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
347 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
348 BIO_printf(bio_err, "SRP parameters:\n");
349 BIO_printf(bio_err, "\tN=");
350 BN_print(bio_err, N);
351 BIO_printf(bio_err, "\n\tg=");
352 BN_print(bio_err, g);
353 BIO_printf(bio_err, "\n");
356 if (SRP_check_known_gN_param(g, N))
359 if (srp_arg->amp == 1) {
362 "SRP param N and g are not known params, going to check deeper.\n");
365 * The srp_moregroups is a real debugging feature. Implementors
366 * should rather add the value to the known ones. The minimal size
367 * has already been tested.
369 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
372 BIO_printf(bio_err, "SRP param N and g rejected.\n");
376 # define PWD_STRLEN 1024
378 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
380 SRP_ARG *srp_arg = (SRP_ARG *)arg;
381 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
385 cb_tmp.password = (char *)srp_arg->srppassin;
386 cb_tmp.prompt_info = "SRP user";
387 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
388 BIO_printf(bio_err, "Can't read Password\n");
399 static char *srtp_profiles = NULL;
401 #ifndef OPENSSL_NO_NEXTPROTONEG
402 /* This the context that we pass to next_proto_cb */
403 typedef struct tlsextnextprotoctx_st {
407 } tlsextnextprotoctx;
409 static tlsextnextprotoctx next_proto;
411 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
412 const unsigned char *in, unsigned int inlen,
415 tlsextnextprotoctx *ctx = arg;
418 /* We can assume that |in| is syntactically valid. */
420 BIO_printf(bio_c_out, "Protocols advertised by server: ");
421 for (i = 0; i < inlen;) {
423 BIO_write(bio_c_out, ", ", 2);
424 BIO_write(bio_c_out, &in[i + 1], in[i]);
427 BIO_write(bio_c_out, "\n", 1);
431 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
432 return SSL_TLSEXT_ERR_OK;
434 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
436 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
437 const unsigned char *in, size_t inlen,
441 unsigned char ext_buf[4 + 65536];
443 /* Reconstruct the type/len fields prior to extension data */
444 ext_buf[0] = ext_type >> 8;
445 ext_buf[1] = ext_type & 0xFF;
446 ext_buf[2] = inlen >> 8;
447 ext_buf[3] = inlen & 0xFF;
448 memcpy(ext_buf + 4, in, inlen);
450 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
452 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
456 typedef enum OPTION_choice {
457 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
458 OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX, OPT_XMPPHOST, OPT_VERIFY,
459 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
460 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
461 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
462 OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
463 OPT_PAUSE, OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
464 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
465 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
466 OPT_PSK_IDENTITY, OPT_PSK, OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH,
467 OPT_SRP_LATEUSER, OPT_SRP_MOREGROUPS, OPT_SSL3,
468 OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
469 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
470 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
471 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
472 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
473 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_JPAKE,
474 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
478 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY
481 OPTIONS s_client_options[] = {
482 {"help", OPT_HELP, '-', "Display this summary"},
483 {"host", OPT_HOST, 's', "Use -connect instead"},
484 {"port", OPT_PORT, 'p', "Use -connect instead"},
485 {"connect", OPT_CONNECT, 's',
486 "TCP/IP where to connect (default is " SSL_HOST_NAME ":" PORT_STR ")"},
487 {"proxy", OPT_PROXY, 's',
488 "Connect to via specified proxy to the real server"},
489 {"unix", OPT_UNIX, 's', "Connect over unix domain sockets"},
490 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
491 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
492 {"certform", OPT_CERTFORM, 'F',
493 "Certificate format (PEM or DER) PEM default"},
494 {"key", OPT_KEY, '<', "Private key file to use, if not in -cert file"},
495 {"keyform", OPT_KEYFORM, 'F', "Key format (PEM or DER) PEM default"},
496 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
497 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
498 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
499 {"no-CAfile", OPT_NOCAFILE, '-',
500 "Do not load the default certificates file"},
501 {"no-CApath", OPT_NOCAPATH, '-',
502 "Do not load certificates from the default certificates directory"},
503 {"reconnect", OPT_RECONNECT, '-',
504 "Drop and re-make the connection with the same Session-ID"},
505 {"pause", OPT_PAUSE, '-', "Sleep after each read and write system call"},
506 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
507 {"debug", OPT_DEBUG, '-', "Extra output"},
508 {"msg", OPT_MSG, '-', "Show protocol messages"},
509 {"msgfile", OPT_MSGFILE, '>'},
510 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
511 {"state", OPT_STATE, '-', "Print the ssl states"},
512 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
513 {"quiet", OPT_QUIET, '-', "No s_client output"},
514 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
515 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
516 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
517 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
518 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
519 {"starttls", OPT_STARTTLS, 's',
520 "Use the appropriate STARTTLS command before starting TLS"},
521 {"xmpphost", OPT_XMPPHOST, 's',
522 "Host to use with \"-starttls xmpp[-server]\""},
523 {"rand", OPT_RAND, 's',
524 "Load the file(s) into the random number generator"},
525 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
526 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
527 {"use_srtp", OPT_USE_SRTP, 's',
528 "Offer SRTP key management with a colon-separated profile list"},
529 {"keymatexport", OPT_KEYMATEXPORT, 's',
530 "Export keying material using label"},
531 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
532 "Export len bytes of keying material (default 20)"},
533 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
534 {"name", OPT_SMTPHOST, 's', "Hostname to use for \"-starttls smtp\""},
535 {"CRL", OPT_CRL, '<'},
536 {"crl_download", OPT_CRL_DOWNLOAD, '-'},
537 {"CRLform", OPT_CRLFORM, 'F'},
538 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-'},
539 {"verify_quiet", OPT_VERIFY_QUIET, '-'},
540 {"brief", OPT_BRIEF, '-'},
541 {"prexit", OPT_PREXIT, '-'},
542 {"security_debug", OPT_SECURITY_DEBUG, '-'},
543 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-'},
544 {"cert_chain", OPT_CERT_CHAIN, '<'},
545 {"chainCApath", OPT_CHAINCAPATH, '/'},
546 {"verifyCApath", OPT_VERIFYCAPATH, '/'},
547 {"build_chain", OPT_BUILD_CHAIN, '-'},
548 {"chainCAfile", OPT_CHAINCAFILE, '<'},
549 {"verifyCAfile", OPT_VERIFYCAFILE, '<'},
550 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
551 {"servername", OPT_SERVERNAME, 's',
552 "Set TLS extension servername in ClientHello"},
553 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
554 "Hex dump of all TLS extensions received"},
555 {"status", OPT_STATUS, '-', "Request certificate status from server"},
556 {"serverinfo", OPT_SERVERINFO, 's',
557 "types Send empty ClientHello extensions (comma-separated numbers)"},
558 {"alpn", OPT_ALPN, 's',
559 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
563 #ifndef OPENSSL_NO_SSL3
564 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
566 #ifndef OPENSSL_NO_DTLS1
567 {"dtls", OPT_DTLS, '-'},
568 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
569 {"dtls1_2", OPT_DTLS1_2, '-'},
570 {"timeout", OPT_TIMEOUT, '-'},
571 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
573 #ifndef OPENSSL_NO_SSL_TRACE
574 {"trace", OPT_TRACE, '-'},
577 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
580 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
582 #ifndef OPENSSL_NO_PSK
583 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
584 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
585 # ifndef OPENSSL_NO_JPAKE
586 {"jpake", OPT_JPAKE, 's', "JPAKE secret to use"},
589 #ifndef OPENSSL_NO_SRP
590 {"srpuser", OPT_SRPUSER, 's', "SRP authentification for 'user'"},
591 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
592 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
593 "SRP username into second ClientHello message"},
594 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
595 "Tolerate other than the known g N values."},
596 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
598 #ifndef OPENSSL_NO_NEXTPROTONEG
599 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
600 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
602 #ifndef OPENSSL_NO_ENGINE
603 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
604 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's'},
609 typedef enum PROTOCOL_choice {
622 static OPT_PAIR services[] = {
623 {"smtp", PROTO_SMTP},
624 {"pop3", PROTO_POP3},
625 {"imap", PROTO_IMAP},
627 {"xmpp", PROTO_XMPP},
628 {"xmpp-server", PROTO_XMPP_SERVER},
629 {"telnet", PROTO_TELNET},
634 int s_client_main(int argc, char **argv)
637 EVP_PKEY *key = NULL;
640 STACK_OF(X509) *chain = NULL;
642 X509_VERIFY_PARAM *vpm = NULL;
643 SSL_EXCERT *exc = NULL;
644 SSL_CONF_CTX *cctx = NULL;
645 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
646 STACK_OF(X509_CRL) *crls = NULL;
647 const SSL_METHOD *meth = TLS_client_method();
648 char *CApath = NULL, *CAfile = NULL, *cbuf = NULL, *sbuf = NULL;
649 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
650 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL, *prog;
651 char *chCApath = NULL, *chCAfile = NULL, *host = SSL_HOST_NAME;
653 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
654 char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;
655 char *jpake_secret = NULL, *xmpphost = NULL;
656 const char *unix_path = NULL;
657 const char *ehlo = "mail.example.com";
658 struct sockaddr peer;
659 struct timeval timeout, *timeoutp;
660 fd_set readfds, writefds;
661 int noCApath = 0, noCAfile = 0;
662 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
663 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
665 int enable_timeouts = 0, sdebug = 0, peerlen = sizeof peer;
666 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
667 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
668 int sbuf_len, sbuf_off, socket_type = SOCK_STREAM, cmdletters = 1;
669 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
670 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
671 int fallback_scsv = 0;
672 long socket_mtu = 0, randamt = 0;
673 unsigned short port = PORT;
675 #ifndef OPENSSL_NO_ENGINE
676 ENGINE *ssl_client_engine = NULL;
679 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
682 char *servername = NULL;
683 const char *alpn_in = NULL;
684 tlsextctx tlsextcbp = { NULL, 0 };
685 #define MAX_SI_TYPES 100
686 unsigned short serverinfo_types[MAX_SI_TYPES];
687 int serverinfo_count = 0, start = 0, len;
688 #ifndef OPENSSL_NO_NEXTPROTONEG
689 const char *next_proto_neg_in = NULL;
691 #ifndef OPENSSL_NO_SRP
692 char *srppass = NULL;
693 int srp_lateuser = 0;
694 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
697 prog = opt_progname(argv[0]);
706 verify_error = X509_V_OK;
707 vpm = X509_VERIFY_PARAM_new();
708 cbuf = app_malloc(BUFSIZZ, "cbuf");
709 sbuf = app_malloc(BUFSIZZ, "sbuf");
710 mbuf = app_malloc(BUFSIZZ, "mbuf");
711 cctx = SSL_CONF_CTX_new();
713 if (vpm == NULL || cctx == NULL) {
714 BIO_printf(bio_err, "%s: out of memory\n", prog);
718 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
720 prog = opt_init(argc, argv, s_client_options);
721 while ((o = opt_next()) != OPT_EOF) {
726 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
729 opt_help(s_client_options);
736 port = atoi(opt_arg());
739 connectstr = opt_arg();
742 proxystr = opt_arg();
743 starttls_proto = PROTO_CONNECT;
746 unix_path = opt_arg();
749 xmpphost = opt_arg();
755 verify = SSL_VERIFY_PEER;
756 verify_depth = atoi(opt_arg());
758 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
761 cert_file = opt_arg();
764 crl_file = opt_arg();
766 case OPT_CRL_DOWNLOAD:
770 sess_out = opt_arg();
776 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
780 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
783 case OPT_VERIFY_RET_ERROR:
784 verify_return_error = 1;
786 case OPT_VERIFY_QUIET:
790 c_brief = verify_quiet = c_quiet = 1;
793 if (ssl_args == NULL)
794 ssl_args = sk_OPENSSL_STRING_new_null();
796 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
797 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
798 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
803 if (!opt_verify(o, vpm))
808 if (!args_excert(o, &exc))
818 c_quiet = c_ign_eof = 1;
827 e = setup_engine(opt_arg(), 1);
829 case OPT_SSL_CLIENT_ENGINE:
830 #ifndef OPENSSL_NO_ENGINE
831 ssl_client_engine = ENGINE_by_id(opt_arg());
832 if (ssl_client_engine == NULL) {
833 BIO_printf(bio_err, "Error getting client auth engine\n");
854 case OPT_TLSEXTDEBUG:
869 bio_c_msg = BIO_new_file(opt_arg(), "w");
872 #ifndef OPENSSL_NO_SSL_TRACE
876 case OPT_SECURITY_DEBUG:
879 case OPT_SECURITY_DEBUG_VERBOSE:
891 #ifndef OPENSSL_NO_PSK
892 case OPT_PSK_IDENTITY:
893 psk_identity = opt_arg();
896 for (p = psk_key = opt_arg(); *p; p++) {
899 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
904 case OPT_PSK_IDENTITY:
908 #ifndef OPENSSL_NO_SRP
910 srp_arg.srplogin = opt_arg();
911 meth = TLSv1_client_method();
915 meth = TLSv1_client_method();
917 case OPT_SRP_STRENGTH:
918 srp_arg.strength = atoi(opt_arg());
919 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
921 meth = TLSv1_client_method();
923 case OPT_SRP_LATEUSER:
925 meth = TLSv1_client_method();
927 case OPT_SRP_MOREGROUPS:
929 meth = TLSv1_client_method();
934 case OPT_SRP_STRENGTH:
935 case OPT_SRP_LATEUSER:
936 case OPT_SRP_MOREGROUPS:
940 #ifndef OPENSSL_NO_SSL3
941 meth = SSLv3_client_method();
945 meth = TLSv1_2_client_method();
948 meth = TLSv1_1_client_method();
951 meth = TLSv1_client_method();
953 #ifndef OPENSSL_NO_DTLS1
955 meth = DTLS_client_method();
956 socket_type = SOCK_DGRAM;
959 meth = DTLSv1_client_method();
960 socket_type = SOCK_DGRAM;
963 meth = DTLSv1_2_client_method();
964 socket_type = SOCK_DGRAM;
970 socket_mtu = atol(opt_arg());
980 case OPT_FALLBACKSCSV:
984 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
991 chain_file = opt_arg();
994 key_file = opt_arg();
1005 case OPT_CHAINCAPATH:
1006 chCApath = opt_arg();
1008 case OPT_VERIFYCAPATH:
1009 vfyCApath = opt_arg();
1011 case OPT_BUILD_CHAIN:
1020 case OPT_CHAINCAFILE:
1021 chCAfile = opt_arg();
1023 case OPT_VERIFYCAFILE:
1024 vfyCAfile = opt_arg();
1026 case OPT_NEXTPROTONEG:
1027 next_proto_neg_in = opt_arg();
1030 alpn_in = opt_arg();
1032 case OPT_SERVERINFO:
1035 for (start = 0, i = 0; i <= len; ++i) {
1036 if (i == len || p[i] == ',') {
1037 serverinfo_types[serverinfo_count] = atoi(p + start);
1038 if (++serverinfo_count == MAX_SI_TYPES)
1045 if (!opt_pair(opt_arg(), services, &starttls_proto))
1047 case OPT_SERVERNAME:
1048 servername = opt_arg();
1051 #ifndef OPENSSL_NO_JPAKE
1052 jpake_secret = opt_arg();
1056 srtp_profiles = opt_arg();
1058 case OPT_KEYMATEXPORT:
1059 keymatexportlabel = opt_arg();
1061 case OPT_KEYMATEXPORTLEN:
1062 keymatexportlen = atoi(opt_arg());
1066 argc = opt_num_rest();
1070 if (connectstr == NULL) {
1071 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1074 if (!extract_host_port(proxystr, &host, NULL, &port))
1077 else if (connectstr != NULL
1078 && !extract_host_port(connectstr, &host, NULL, &port))
1081 if (unix_path && (socket_type != SOCK_STREAM)) {
1083 "Can't use unix sockets and datagrams together\n");
1086 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1089 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n");
1092 psk_identity = "JPAKE";
1096 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1097 next_proto.status = -1;
1098 if (next_proto_neg_in) {
1100 next_protos_parse(&next_proto.len, next_proto_neg_in);
1101 if (next_proto.data == NULL) {
1102 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1106 next_proto.data = NULL;
1109 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1110 BIO_printf(bio_err, "Error getting password\n");
1114 if (key_file == NULL)
1115 key_file = cert_file;
1118 key = load_key(key_file, key_format, 0, pass, e,
1119 "client certificate private key file");
1121 ERR_print_errors(bio_err);
1127 cert = load_cert(cert_file, cert_format,
1128 NULL, e, "client certificate file");
1130 ERR_print_errors(bio_err);
1136 chain = load_certs(chain_file, FORMAT_PEM,
1137 NULL, e, "client certificate chain");
1144 crl = load_crl(crl_file, crl_format);
1146 BIO_puts(bio_err, "Error loading CRL\n");
1147 ERR_print_errors(bio_err);
1150 crls = sk_X509_CRL_new_null();
1151 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1152 BIO_puts(bio_err, "Error adding CRL\n");
1153 ERR_print_errors(bio_err);
1159 if (!load_excert(&exc))
1162 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1163 && !RAND_status()) {
1165 "warning, not much extra random data, consider using the -rand option\n");
1167 if (inrand != NULL) {
1168 randamt = app_RAND_load_files(inrand);
1169 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1172 if (bio_c_out == NULL) {
1173 if (c_quiet && !c_debug) {
1174 bio_c_out = BIO_new(BIO_s_null());
1175 if (c_msg && !bio_c_msg)
1176 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1177 } else if (bio_c_out == NULL)
1178 bio_c_out = dup_bio_out(FORMAT_TEXT);
1180 #ifndef OPENSSL_NO_SRP
1181 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1182 BIO_printf(bio_err, "Error getting password\n");
1187 ctx = SSL_CTX_new(meth);
1189 ERR_print_errors(bio_err);
1194 ssl_ctx_security_debug(ctx, sdebug);
1196 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1197 BIO_printf(bio_err, "Error setting verify params\n");
1198 ERR_print_errors(bio_err);
1202 if (!config_ctx(cctx, ssl_args, ctx, 1, jpake_secret == NULL))
1205 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1206 crls, crl_download)) {
1207 BIO_printf(bio_err, "Error loading store locations\n");
1208 ERR_print_errors(bio_err);
1211 #ifndef OPENSSL_NO_ENGINE
1212 if (ssl_client_engine) {
1213 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1214 BIO_puts(bio_err, "Error setting client auth engine\n");
1215 ERR_print_errors(bio_err);
1216 ENGINE_free(ssl_client_engine);
1219 ENGINE_free(ssl_client_engine);
1223 #ifndef OPENSSL_NO_PSK
1224 if (psk_key != NULL || jpake_secret) {
1226 BIO_printf(bio_c_out,
1227 "PSK key given or JPAKE in use, setting client callback\n");
1228 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1231 #ifndef OPENSSL_NO_SRTP
1232 if (srtp_profiles != NULL) {
1233 /* Returns 0 on success! */
1234 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1235 BIO_printf(bio_err, "Error setting SRTP profile\n");
1236 ERR_print_errors(bio_err);
1243 ssl_ctx_set_excert(ctx, exc);
1245 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1246 if (next_proto.data)
1247 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1250 unsigned short alpn_len;
1251 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1254 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1257 /* Returns 0 on success! */
1258 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1259 BIO_printf(bio_err, "Error setting ALPN\n");
1265 for (i = 0; i < serverinfo_count; i++) {
1266 if (!SSL_CTX_add_client_custom_ext(ctx,
1267 serverinfo_types[i],
1269 serverinfo_cli_parse_cb, NULL)) {
1271 "Warning: Unable to add custom extension %u, skipping\n",
1272 serverinfo_types[i]);
1277 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1279 SSL_CTX_set_verify(ctx, verify, verify_callback);
1281 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1282 ERR_print_errors(bio_err);
1286 ssl_ctx_add_crls(ctx, crls, crl_download);
1288 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1291 if (servername != NULL) {
1292 tlsextcbp.biodebug = bio_err;
1293 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1294 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1296 # ifndef OPENSSL_NO_SRP
1297 if (srp_arg.srplogin) {
1298 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1299 BIO_printf(bio_err, "Unable to set SRP username\n");
1302 srp_arg.msg = c_msg;
1303 srp_arg.debug = c_debug;
1304 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1305 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1306 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1307 if (c_msg || c_debug || srp_arg.amp == 0)
1308 SSL_CTX_set_srp_verify_param_callback(ctx,
1309 ssl_srp_verify_param_cb);
1316 BIO *stmp = BIO_new_file(sess_in, "r");
1318 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1319 ERR_print_errors(bio_err);
1322 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1325 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1326 ERR_print_errors(bio_err);
1329 if (!SSL_set_session(con, sess)) {
1330 BIO_printf(bio_err, "Can't set session\n");
1331 ERR_print_errors(bio_err);
1334 SSL_SESSION_free(sess);
1338 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1340 if (servername != NULL) {
1341 if (!SSL_set_tlsext_host_name(con, servername)) {
1342 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1343 ERR_print_errors(bio_err);
1350 if (init_client(&s, host, port, socket_type) == 0)
1352 if ((!unix_path && (init_client(&s, host, port, socket_type) == 0)) ||
1353 (unix_path && (init_client_unix(&s, unix_path) == 0)))
1356 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1360 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1364 unsigned long l = 1;
1365 BIO_printf(bio_c_out, "turning on non blocking io\n");
1366 if (BIO_socket_ioctl(s, FIONBIO, &l) < 0) {
1367 ERR_print_errors(bio_err);
1373 SSL_set_debug(con, 1);
1375 if (socket_type == SOCK_DGRAM) {
1377 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1378 if (getsockname(s, &peer, (void *)&peerlen) < 0) {
1379 BIO_printf(bio_err, "getsockname:errno=%d\n",
1380 get_last_socket_error());
1385 (void)BIO_ctrl_set_connected(sbio, &peer);
1387 if (enable_timeouts) {
1389 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1390 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1393 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1394 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1398 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1399 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1400 DTLS_get_link_min_mtu(con));
1404 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1405 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1406 BIO_printf(bio_err, "Failed to set MTU\n");
1411 /* want to do MTU discovery */
1412 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1414 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1419 test = BIO_new(BIO_f_nbio_test());
1420 sbio = BIO_push(test, sbio);
1424 SSL_set_debug(con, 1);
1425 BIO_set_callback(sbio, bio_dump_callback);
1426 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1429 #ifndef OPENSSL_NO_SSL_TRACE
1431 SSL_set_msg_callback(con, SSL_trace);
1434 SSL_set_msg_callback(con, msg_cb);
1435 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1438 if (c_tlsextdebug) {
1439 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1440 SSL_set_tlsext_debug_arg(con, bio_c_out);
1443 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1444 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1445 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1447 #ifndef OPENSSL_NO_JPAKE
1449 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1452 SSL_set_bio(con, sbio, sbio);
1453 SSL_set_connect_state(con);
1455 /* ok, lets connect */
1456 width = SSL_get_fd(con) + 1;
1469 switch ((PROTOCOL_CHOICE) starttls_proto) {
1475 * This is an ugly hack that does a lot of assumptions. We do
1476 * have to handle multi-line responses which may come in a single
1477 * packet or not. We therefore have to use BIO_gets() which does
1478 * need a buffering BIO. So during the initial chitchat we do
1479 * push a buffering BIO into the chain that is removed again
1480 * later on to not disturb the rest of the s_client operation.
1483 BIO *fbio = BIO_new(BIO_f_buffer());
1484 BIO_push(fbio, sbio);
1485 /* wait for multi-line response to end from SMTP */
1487 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1489 while (mbuf_len > 3 && mbuf[3] == '-');
1490 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1491 (void)BIO_flush(fbio);
1492 /* wait for multi-line response to end EHLO SMTP response */
1494 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1495 if (strstr(mbuf, "STARTTLS"))
1498 while (mbuf_len > 3 && mbuf[3] == '-');
1499 (void)BIO_flush(fbio);
1504 "didn't found starttls in server response,"
1505 " try anyway...\n");
1506 BIO_printf(sbio, "STARTTLS\r\n");
1507 BIO_read(sbio, sbuf, BUFSIZZ);
1512 BIO_read(sbio, mbuf, BUFSIZZ);
1513 BIO_printf(sbio, "STLS\r\n");
1514 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1516 BIO_printf(bio_err, "BIO_read failed\n");
1524 BIO *fbio = BIO_new(BIO_f_buffer());
1525 BIO_push(fbio, sbio);
1526 BIO_gets(fbio, mbuf, BUFSIZZ);
1527 /* STARTTLS command requires CAPABILITY... */
1528 BIO_printf(fbio, ". CAPABILITY\r\n");
1529 (void)BIO_flush(fbio);
1530 /* wait for multi-line CAPABILITY response */
1532 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1533 if (strstr(mbuf, "STARTTLS"))
1536 while (mbuf_len > 3 && mbuf[0] != '.');
1537 (void)BIO_flush(fbio);
1542 "didn't found STARTTLS in server response,"
1543 " try anyway...\n");
1544 BIO_printf(sbio, ". STARTTLS\r\n");
1545 BIO_read(sbio, sbuf, BUFSIZZ);
1550 BIO *fbio = BIO_new(BIO_f_buffer());
1551 BIO_push(fbio, sbio);
1552 /* wait for multi-line response to end from FTP */
1554 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1556 while (mbuf_len > 3 && mbuf[3] == '-');
1557 (void)BIO_flush(fbio);
1560 BIO_printf(sbio, "AUTH TLS\r\n");
1561 BIO_read(sbio, sbuf, BUFSIZZ);
1565 case PROTO_XMPP_SERVER:
1568 BIO_printf(sbio, "<stream:stream "
1569 "xmlns:stream='http://etherx.jabber.org/streams' "
1570 "xmlns='jabber:%s' to='%s' version='1.0'>",
1571 starttls_proto == PROTO_XMPP ? "client" : "server",
1572 xmpphost ? xmpphost : host);
1573 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1576 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1578 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1580 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1588 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1589 seen = BIO_read(sbio, sbuf, BUFSIZZ);
1591 if (!strstr(sbuf, "<proceed"))
1598 static const unsigned char tls_do[] = {
1599 /* IAC DO START_TLS */
1602 static const unsigned char tls_will[] = {
1603 /* IAC WILL START_TLS */
1606 static const unsigned char tls_follows[] = {
1607 /* IAC SB START_TLS FOLLOWS IAC SE */
1608 255, 250, 46, 1, 255, 240
1612 /* Telnet server should demand we issue START_TLS */
1613 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1614 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
1616 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
1617 BIO_write(sbio, tls_will, 3);
1618 BIO_write(sbio, tls_follows, 6);
1619 (void)BIO_flush(sbio);
1620 /* Telnet server also sent the FOLLOWS sub-command */
1621 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1622 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
1629 BIO *fbio = BIO_new(BIO_f_buffer());
1631 BIO_push(fbio, sbio);
1632 BIO_printf(fbio, "CONNECT %s\r\n\r\n", connectstr);
1633 (void)BIO_flush(fbio);
1634 /* wait for multi-line response to end CONNECT response */
1636 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1637 if (strstr(mbuf, "200") != NULL
1638 && strstr(mbuf, "established") != NULL)
1640 } while (mbuf_len > 3 && foundit == 0);
1641 (void)BIO_flush(fbio);
1645 BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
1653 BIO *fbio = BIO_new(BIO_f_buffer());
1655 BIO_push(fbio, sbio);
1656 BIO_printf(fbio, "STARTTLS\r\n");
1657 (void)BIO_flush(fbio);
1658 width = SSL_get_fd(con) + 1;
1664 openssl_fdset(SSL_get_fd(con), &readfds);
1665 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
1666 timeout.tv_usec = 0;
1668 * If the IRCd doesn't respond within
1669 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
1670 * it doesn't support STARTTLS. Many IRCds
1671 * will not give _any_ sort of response to a
1672 * STARTTLS command when it's not supported.
1674 if (!BIO_get_buffer_num_lines(fbio)
1675 && !BIO_pending(fbio)
1676 && !BIO_pending(sbio)
1677 && select(width, (void *)&readfds, NULL, NULL,
1680 "Timeout waiting for response (%d seconds).\n",
1681 S_CLIENT_IRC_READ_TIMEOUT);
1685 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1686 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
1688 /* :example.net 451 STARTTLS :You have not registered */
1689 /* :example.net 421 STARTTLS :Unknown command */
1690 if ((numeric == 451 || numeric == 421)
1691 && strstr(mbuf, "STARTTLS") != NULL) {
1692 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
1695 if (numeric == 691) {
1696 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
1697 ERR_print_errors(bio_err);
1700 } while (numeric != 670);
1702 (void)BIO_flush(fbio);
1705 if (numeric != 670) {
1706 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
1717 if ((SSL_version(con) == DTLS1_VERSION) &&
1718 DTLSv1_get_timeout(con, &timeout))
1719 timeoutp = &timeout;
1723 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
1731 if (servername != NULL && !SSL_session_reused(con)) {
1732 BIO_printf(bio_c_out,
1733 "Server did %sacknowledge servername extension.\n",
1734 tlsextcbp.ack ? "" : "not ");
1738 BIO *stmp = BIO_new_file(sess_out, "w");
1740 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1743 BIO_printf(bio_err, "Error writing session file %s\n",
1747 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
1748 print_ssl_summary(con);
1751 print_stuff(bio_c_out, con, full_log);
1755 if (starttls_proto) {
1756 BIO_write(bio_err, mbuf, mbuf_len);
1757 /* We don't need to know any more */
1759 starttls_proto = PROTO_OFF;
1764 BIO_printf(bio_c_out,
1765 "drop connection and then reconnect\n");
1767 SSL_set_connect_state(con);
1768 SHUTDOWN(SSL_get_fd(con));
1774 ssl_pending = read_ssl && SSL_pending(con);
1777 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
1780 openssl_fdset(fileno(stdin), &readfds);
1782 openssl_fdset(fileno(stdout), &writefds);
1785 openssl_fdset(SSL_get_fd(con), &readfds);
1787 openssl_fdset(SSL_get_fd(con), &writefds);
1789 if (!tty_on || !write_tty) {
1791 openssl_fdset(SSL_get_fd(con), &readfds);
1793 openssl_fdset(SSL_get_fd(con), &writefds);
1798 * Note: under VMS with SOCKETSHR the second parameter is
1799 * currently of type (int *) whereas under other systems it is
1800 * (void *) if you don't have a cast it will choke the compiler:
1801 * if you do have a cast then you can either go for (int *) or
1804 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1806 * Under Windows/DOS we make the assumption that we can always
1807 * write to the tty: therefore if we need to write to the tty we
1808 * just fall through. Otherwise we timeout the select every
1809 * second and see if there are any keypresses. Note: this is a
1810 * hack, in a proper Windows application we wouldn't do this.
1817 i = select(width, (void *)&readfds, (void *)&writefds,
1819 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1820 if (!i && (!_kbhit() || !read_tty))
1823 if (!i && (!((_kbhit())
1824 || (WAIT_OBJECT_0 ==
1825 WaitForSingleObject(GetStdHandle
1832 i = select(width, (void *)&readfds, (void *)&writefds,
1835 #elif defined(OPENSSL_SYS_NETWARE)
1840 i = select(width, (void *)&readfds, (void *)&writefds,
1843 i = select(width, (void *)&readfds, (void *)&writefds,
1847 i = select(width, (void *)&readfds, (void *)&writefds,
1851 BIO_printf(bio_err, "bad select %d\n",
1852 get_last_socket_error());
1858 if ((SSL_version(con) == DTLS1_VERSION)
1859 && DTLSv1_handle_timeout(con) > 0) {
1860 BIO_printf(bio_err, "TIMEOUT occurred\n");
1863 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
1864 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
1865 switch (SSL_get_error(con, k)) {
1866 case SSL_ERROR_NONE:
1871 /* we have done a write(con,NULL,0); */
1872 if (cbuf_len <= 0) {
1875 } else { /* if (cbuf_len > 0) */
1881 case SSL_ERROR_WANT_WRITE:
1882 BIO_printf(bio_c_out, "write W BLOCK\n");
1886 case SSL_ERROR_WANT_READ:
1887 BIO_printf(bio_c_out, "write R BLOCK\n");
1892 case SSL_ERROR_WANT_X509_LOOKUP:
1893 BIO_printf(bio_c_out, "write X BLOCK\n");
1895 case SSL_ERROR_ZERO_RETURN:
1896 if (cbuf_len != 0) {
1897 BIO_printf(bio_c_out, "shutdown\n");
1906 case SSL_ERROR_SYSCALL:
1907 if ((k != 0) || (cbuf_len != 0)) {
1908 BIO_printf(bio_err, "write:errno=%d\n",
1909 get_last_socket_error());
1917 ERR_print_errors(bio_err);
1921 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1922 /* Assume Windows/DOS/BeOS can always write */
1923 else if (!ssl_pending && write_tty)
1925 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
1928 #ifdef CHARSET_EBCDIC
1929 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
1931 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
1934 BIO_printf(bio_c_out, "DONE\n");
1942 if (sbuf_len <= 0) {
1946 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
1951 SSL_renegotiate(con);
1956 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
1958 switch (SSL_get_error(con, k)) {
1959 case SSL_ERROR_NONE:
1968 case SSL_ERROR_WANT_WRITE:
1969 BIO_printf(bio_c_out, "read W BLOCK\n");
1973 case SSL_ERROR_WANT_READ:
1974 BIO_printf(bio_c_out, "read R BLOCK\n");
1977 if ((read_tty == 0) && (write_ssl == 0))
1980 case SSL_ERROR_WANT_X509_LOOKUP:
1981 BIO_printf(bio_c_out, "read X BLOCK\n");
1983 case SSL_ERROR_SYSCALL:
1984 ret = get_last_socket_error();
1986 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
1988 BIO_printf(bio_err, "read:errno=%d\n", ret);
1990 case SSL_ERROR_ZERO_RETURN:
1991 BIO_printf(bio_c_out, "closed\n");
1995 ERR_print_errors(bio_err);
2000 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2001 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2005 || (WAIT_OBJECT_0 ==
2006 WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2008 #elif defined (OPENSSL_SYS_NETWARE)
2011 else if (FD_ISSET(fileno(stdin), &readfds))
2017 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2019 /* both loops are skipped when i <= 0 */
2020 for (j = 0; j < i; j++)
2021 if (cbuf[j] == '\n')
2023 for (j = i - 1; j >= 0; j--) {
2024 cbuf[j + lf_num] = cbuf[j];
2025 if (cbuf[j] == '\n') {
2028 cbuf[j + lf_num] = '\r';
2031 assert(lf_num == 0);
2033 i = raw_read_stdin(cbuf, BUFSIZZ);
2035 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2036 BIO_printf(bio_err, "DONE\n");
2041 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2042 BIO_printf(bio_err, "RENEGOTIATING\n");
2043 SSL_renegotiate(con);
2046 #ifndef OPENSSL_NO_HEARTBEATS
2047 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2048 BIO_printf(bio_err, "HEARTBEATING\n");
2056 #ifdef CHARSET_EBCDIC
2057 ebcdic2ascii(cbuf, cbuf, i);
2069 print_stuff(bio_c_out, con, full_log);
2071 SHUTDOWN(SSL_get_fd(con));
2075 print_stuff(bio_c_out, con, 1);
2078 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2079 OPENSSL_free(next_proto.data);
2083 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2085 sk_X509_pop_free(chain, X509_free);
2087 #ifndef OPENSSL_NO_SRP
2088 OPENSSL_free(srp_arg.srppassin);
2090 X509_VERIFY_PARAM_free(vpm);
2091 ssl_excert_free(exc);
2092 sk_OPENSSL_STRING_free(ssl_args);
2093 SSL_CONF_CTX_free(cctx);
2094 OPENSSL_clear_free(cbuf, BUFSIZZ);
2095 OPENSSL_clear_free(sbuf, BUFSIZZ);
2096 OPENSSL_clear_free(mbuf, BUFSIZZ);
2097 BIO_free(bio_c_out);
2099 BIO_free(bio_c_msg);
2104 static void print_stuff(BIO *bio, SSL *s, int full)
2109 STACK_OF(X509_NAME) *sk2;
2110 const SSL_CIPHER *c;
2113 #ifndef OPENSSL_NO_COMP
2114 const COMP_METHOD *comp, *expansion;
2116 unsigned char *exportedkeymat;
2119 int got_a_chain = 0;
2121 sk = SSL_get_peer_cert_chain(s);
2125 BIO_printf(bio, "---\nCertificate chain\n");
2126 for (i = 0; i < sk_X509_num(sk); i++) {
2127 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2129 BIO_printf(bio, "%2d s:%s\n", i, buf);
2130 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2132 BIO_printf(bio, " i:%s\n", buf);
2134 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2138 BIO_printf(bio, "---\n");
2139 peer = SSL_get_peer_certificate(s);
2141 BIO_printf(bio, "Server certificate\n");
2143 /* Redundant if we showed the whole chain */
2144 if (!(c_showcerts && got_a_chain))
2145 PEM_write_bio_X509(bio, peer);
2146 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2147 BIO_printf(bio, "subject=%s\n", buf);
2148 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2149 BIO_printf(bio, "issuer=%s\n", buf);
2151 BIO_printf(bio, "no peer certificate available\n");
2153 sk2 = SSL_get_client_CA_list(s);
2154 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2155 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2156 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2157 xn = sk_X509_NAME_value(sk2, i);
2158 X509_NAME_oneline(xn, buf, sizeof(buf));
2159 BIO_write(bio, buf, strlen(buf));
2160 BIO_write(bio, "\n", 1);
2163 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2166 ssl_print_sigalgs(bio, s);
2167 ssl_print_tmp_key(bio, s);
2170 "---\nSSL handshake has read %"PRIu64" bytes and written %"PRIu64" bytes\n",
2171 BIO_number_read(SSL_get_rbio(s)),
2172 BIO_number_written(SSL_get_wbio(s)));
2174 BIO_printf(bio, (SSL_cache_hit(s) ? "---\nReused, " : "---\nNew, "));
2175 c = SSL_get_current_cipher(s);
2176 BIO_printf(bio, "%s, Cipher is %s\n",
2177 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2180 pktmp = X509_get_pubkey(peer);
2181 BIO_printf(bio, "Server public key is %d bit\n",
2182 EVP_PKEY_bits(pktmp));
2183 EVP_PKEY_free(pktmp);
2185 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2186 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2187 #ifndef OPENSSL_NO_COMP
2188 comp = SSL_get_current_compression(s);
2189 expansion = SSL_get_current_expansion(s);
2190 BIO_printf(bio, "Compression: %s\n",
2191 comp ? SSL_COMP_get_name(comp) : "NONE");
2192 BIO_printf(bio, "Expansion: %s\n",
2193 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2198 /* Print out local port of connection: useful for debugging */
2200 struct sockaddr_in ladd;
2201 socklen_t ladd_size = sizeof(ladd);
2202 sock = SSL_get_fd(s);
2203 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2204 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2208 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2209 if (next_proto.status != -1) {
2210 const unsigned char *proto;
2211 unsigned int proto_len;
2212 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2213 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2214 BIO_write(bio, proto, proto_len);
2215 BIO_write(bio, "\n", 1);
2219 const unsigned char *proto;
2220 unsigned int proto_len;
2221 SSL_get0_alpn_selected(s, &proto, &proto_len);
2222 if (proto_len > 0) {
2223 BIO_printf(bio, "ALPN protocol: ");
2224 BIO_write(bio, proto, proto_len);
2225 BIO_write(bio, "\n", 1);
2227 BIO_printf(bio, "No ALPN negotiated\n");
2230 #ifndef OPENSSL_NO_SRTP
2232 SRTP_PROTECTION_PROFILE *srtp_profile =
2233 SSL_get_selected_srtp_profile(s);
2236 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2237 srtp_profile->name);
2241 SSL_SESSION_print(bio, SSL_get_session(s));
2242 if (keymatexportlabel != NULL) {
2243 BIO_printf(bio, "Keying material exporter:\n");
2244 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2245 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2246 exportedkeymat = app_malloc(keymatexportlen, "export key");
2247 if (!SSL_export_keying_material(s, exportedkeymat,
2250 strlen(keymatexportlabel),
2252 BIO_printf(bio, " Error\n");
2254 BIO_printf(bio, " Keying material: ");
2255 for (i = 0; i < keymatexportlen; i++)
2256 BIO_printf(bio, "%02X", exportedkeymat[i]);
2257 BIO_printf(bio, "\n");
2259 OPENSSL_free(exportedkeymat);
2261 BIO_printf(bio, "---\n");
2263 /* flush, or debugging output gets mixed with http response */
2264 (void)BIO_flush(bio);
2267 static int ocsp_resp_cb(SSL *s, void *arg)
2269 const unsigned char *p;
2272 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2273 BIO_puts(arg, "OCSP response: ");
2275 BIO_puts(arg, "no response sent\n");
2278 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2280 BIO_puts(arg, "response parse error\n");
2281 BIO_dump_indent(arg, (char *)p, len, 4);
2284 BIO_puts(arg, "\n======================================\n");
2285 OCSP_RESPONSE_print(arg, rsp, 0);
2286 BIO_puts(arg, "======================================\n");
2287 OCSP_RESPONSE_free(rsp);