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
179 extern int verify_depth;
180 extern int verify_error;
181 extern int verify_return_error;
182 extern int verify_quiet;
184 static int c_nbio = 0;
185 static int c_tlsextdebug = 0;
186 static int c_status_req = 0;
187 static int c_Pause = 0;
188 static int c_debug = 0;
189 static int c_msg = 0;
190 static int c_showcerts = 0;
191 static char *keymatexportlabel = NULL;
192 static int keymatexportlen = 20;
193 static BIO *bio_c_out = NULL;
194 static BIO *bio_c_msg = NULL;
195 static int c_quiet = 0;
196 static int c_ign_eof = 0;
197 static int c_brief = 0;
199 static void print_stuff(BIO *berr, SSL *con, int full);
200 static int ocsp_resp_cb(SSL *s, void *arg);
202 #ifndef OPENSSL_NO_PSK
203 /* Default PSK identity and key */
204 static char *psk_identity = "Client_identity";
206 * char *psk_key=NULL; by default PSK is not used
209 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
210 unsigned int max_identity_len,
212 unsigned int max_psk_len)
214 unsigned int psk_len = 0;
219 BIO_printf(bio_c_out, "psk_client_cb\n");
221 /* no ServerKeyExchange message */
223 BIO_printf(bio_c_out,
224 "NULL received PSK identity hint, continuing anyway\n");
226 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
229 * lookup PSK identity and PSK key based on the given identity hint here
231 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
232 if (ret < 0 || (unsigned int)ret > max_identity_len)
235 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
237 ret = BN_hex2bn(&bn, psk_key);
239 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
245 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) {
247 "psk buffer of callback is too small (%d) for key (%d)\n",
248 max_psk_len, BN_num_bytes(bn));
253 psk_len = BN_bn2bin(bn, psk);
259 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
264 BIO_printf(bio_err, "Error in PSK client callback\n");
269 /* This is a context that we pass to callbacks */
270 typedef struct tlsextctx_st {
275 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
277 tlsextctx *p = (tlsextctx *) arg;
278 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
279 if (SSL_get_servername_type(s) != -1)
280 p->ack = !SSL_session_reused(s) && hn != NULL;
282 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
284 return SSL_TLSEXT_ERR_OK;
287 #ifndef OPENSSL_NO_SRP
289 /* This is a context that we pass to all callbacks */
290 typedef struct srp_arg_st {
293 int msg; /* copy from c_msg */
294 int debug; /* copy from c_debug */
295 int amp; /* allow more groups */
296 int strength /* minimal size for N */ ;
299 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
301 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
303 BN_CTX *bn_ctx = BN_CTX_new();
304 BIGNUM *p = BN_new();
305 BIGNUM *r = BN_new();
307 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
308 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
309 p != NULL && BN_rshift1(p, N) &&
311 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
313 /* verify g^((N-1)/2) == -1 (mod N) */
314 BN_mod_exp(r, g, p, N, bn_ctx) &&
315 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
324 * This callback is used here for two purposes:
325 * - extended debugging
326 * - making some primality tests for unknown groups
327 * The callback is only called for a non default group.
329 * An application does not need the call back at all if
330 * only the stanard groups are used. In real life situations,
331 * client and server already share well known groups,
332 * thus there is no need to verify them.
333 * Furthermore, in case that a server actually proposes a group that
334 * is not one of those defined in RFC 5054, it is more appropriate
335 * to add the group to a static list and then compare since
336 * primality tests are rather cpu consuming.
339 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
341 SRP_ARG *srp_arg = (SRP_ARG *)arg;
342 BIGNUM *N = NULL, *g = NULL;
344 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
346 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
347 BIO_printf(bio_err, "SRP parameters:\n");
348 BIO_printf(bio_err, "\tN=");
349 BN_print(bio_err, N);
350 BIO_printf(bio_err, "\n\tg=");
351 BN_print(bio_err, g);
352 BIO_printf(bio_err, "\n");
355 if (SRP_check_known_gN_param(g, N))
358 if (srp_arg->amp == 1) {
361 "SRP param N and g are not known params, going to check deeper.\n");
364 * The srp_moregroups is a real debugging feature. Implementors
365 * should rather add the value to the known ones. The minimal size
366 * has already been tested.
368 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
371 BIO_printf(bio_err, "SRP param N and g rejected.\n");
375 # define PWD_STRLEN 1024
377 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
379 SRP_ARG *srp_arg = (SRP_ARG *)arg;
380 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
384 cb_tmp.password = (char *)srp_arg->srppassin;
385 cb_tmp.prompt_info = "SRP user";
386 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
387 BIO_printf(bio_err, "Can't read Password\n");
398 char *srtp_profiles = NULL;
400 #ifndef OPENSSL_NO_NEXTPROTONEG
401 /* This the context that we pass to next_proto_cb */
402 typedef struct tlsextnextprotoctx_st {
406 } tlsextnextprotoctx;
408 static tlsextnextprotoctx next_proto;
410 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
411 const unsigned char *in, unsigned int inlen,
414 tlsextnextprotoctx *ctx = arg;
417 /* We can assume that |in| is syntactically valid. */
419 BIO_printf(bio_c_out, "Protocols advertised by server: ");
420 for (i = 0; i < inlen;) {
422 BIO_write(bio_c_out, ", ", 2);
423 BIO_write(bio_c_out, &in[i + 1], in[i]);
426 BIO_write(bio_c_out, "\n", 1);
430 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
431 return SSL_TLSEXT_ERR_OK;
433 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
435 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
436 const unsigned char *in, size_t inlen,
440 unsigned char ext_buf[4 + 65536];
442 /* Reconstruct the type/len fields prior to extension data */
443 ext_buf[0] = ext_type >> 8;
444 ext_buf[1] = ext_type & 0xFF;
445 ext_buf[2] = inlen >> 8;
446 ext_buf[3] = inlen & 0xFF;
447 memcpy(ext_buf + 4, in, inlen);
449 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
451 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
455 typedef enum OPTION_choice {
456 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
457 OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX, OPT_XMPPHOST, OPT_VERIFY,
458 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
459 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
460 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
461 OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
462 OPT_PAUSE, OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
463 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
464 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
465 OPT_PSK_IDENTITY, OPT_PSK, OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH,
466 OPT_SRP_LATEUSER, OPT_SRP_MOREGROUPS, OPT_SSL3,
467 OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
468 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
469 OPT_CERT_CHAIN, OPT_CAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
470 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE,
471 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
472 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_JPAKE,
473 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
477 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY
480 OPTIONS s_client_options[] = {
481 {"help", OPT_HELP, '-', "Display this summary"},
482 {"host", OPT_HOST, 's', "Use -connect instead"},
483 {"port", OPT_PORT, 'p', "Use -connect instead"},
484 {"connect", OPT_CONNECT, 's',
485 "TCP/IP where to connect (default is " SSL_HOST_NAME ":" PORT_STR ")"},
486 {"proxy", OPT_PROXY, 's',
487 "Connect to via specified proxy to the real server"},
488 {"unix", OPT_UNIX, 's', "Connect over unix domain sockets"},
489 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
490 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
491 {"certform", OPT_CERTFORM, 'F',
492 "Certificate format (PEM or DER) PEM default"},
493 {"key", OPT_KEY, '<', "Private key file to use, if not in -cert file"},
494 {"keyform", OPT_KEYFORM, 'F', "Key format (PEM or DER) PEM default"},
495 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
496 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
497 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
498 {"reconnect", OPT_RECONNECT, '-',
499 "Drop and re-make the connection with the same Session-ID"},
500 {"pause", OPT_PAUSE, '-', "Sleep after each read and write system call"},
501 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
502 {"debug", OPT_DEBUG, '-', "Extra output"},
503 {"msg", OPT_MSG, '-', "Show protocol messages"},
504 {"msgfile", OPT_MSGFILE, '>'},
505 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
506 {"state", OPT_STATE, '-', "Print the ssl states"},
507 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
508 {"quiet", OPT_QUIET, '-', "No s_client output"},
509 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
510 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
511 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
512 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
513 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
514 {"starttls", OPT_STARTTLS, 's',
515 "Use the STARTTLS command before starting TLS"},
516 {"xmpphost", OPT_XMPPHOST, 's', "Host to use with \"-starttls xmpp\""},
517 {"rand", OPT_RAND, 's',
518 "Load the file(s) into the random number generator"},
519 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
520 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
521 {"use_srtp", OPT_USE_SRTP, '<',
522 "Offer SRTP key management with a colon-separated profile list"},
523 {"keymatexport", OPT_KEYMATEXPORT, 's',
524 "Export keying material using label"},
525 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
526 "Export len bytes of keying material (default 20)"},
527 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
528 {"name", OPT_SMTPHOST, 's', "Hostname to use for \"-starttls smtp\""},
529 {"CRL", OPT_CRL, '<'},
530 {"crl_download", OPT_CRL_DOWNLOAD, '-'},
531 {"CRLform", OPT_CRLFORM, 'F'},
532 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-'},
533 {"verify_quiet", OPT_VERIFY_QUIET, '-'},
534 {"brief", OPT_BRIEF, '-'},
535 {"prexit", OPT_PREXIT, '-'},
536 {"security_debug", OPT_SECURITY_DEBUG, '-'},
537 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-'},
538 {"cert_chain", OPT_CERT_CHAIN, '<'},
539 {"chainCApath", OPT_CHAINCAPATH, '/'},
540 {"verifyCApath", OPT_VERIFYCAPATH, '/'},
541 {"build_chain", OPT_BUILD_CHAIN, '-'},
542 {"chainCAfile", OPT_CHAINCAFILE, '<'},
543 {"verifyCAfile", OPT_VERIFYCAFILE, '<'},
544 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
545 {"servername", OPT_SERVERNAME, 's',
546 "Set TLS extension servername in ClientHello"},
547 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
548 "Hex dump of all TLS extensions received"},
549 {"status", OPT_STATUS, '-', "Request certificate status from server"},
550 {"serverinfo", OPT_SERVERINFO, 's',
551 "types Send empty ClientHello extensions (comma-separated numbers)"},
552 {"alpn", OPT_ALPN, 's',
553 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
557 #ifndef OPENSSL_NO_SSL3
558 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
560 #ifndef OPENSSL_NO_DTLS1
561 {"dtls", OPT_DTLS, '-'},
562 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
563 {"dtls1_2", OPT_DTLS1_2, '-'},
564 {"timeout", OPT_TIMEOUT, '-'},
565 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
567 #ifndef OPENSSL_NO_SSL_TRACE
568 {"trace", OPT_TRACE, '-'},
571 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
574 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
576 #ifndef OPENSSL_NO_PSK
577 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
578 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
579 # ifndef OPENSSL_NO_JPAKE
580 {"jpake", OPT_JPAKE, 's', "JPAKE secret to use"},
583 #ifndef OPENSSL_NO_SRP
584 {"srpuser", OPT_SRPUSER, 's', "SRP authentification for 'user'"},
585 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
586 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
587 "SRP username into second ClientHello message"},
588 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
589 "Tolerate other than the known g N values."},
590 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal mength in bits for N"},
592 #ifndef OPENSSL_NO_NEXTPROTONEG
593 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
594 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
596 #ifndef OPENSSL_NO_ENGINE
597 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
598 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's'},
603 typedef enum PROTOCOL_choice {
614 static OPT_PAIR services[] = {
615 {"smtp", PROTO_SMTP},
616 {"pop3", PROTO_POP3},
617 {"imap", PROTO_IMAP},
619 {"xmpp", PROTO_XMPP},
620 {"telnet", PROTO_TELNET},
624 int s_client_main(int argc, char **argv)
627 EVP_PKEY *key = NULL;
630 STACK_OF(X509) *chain = NULL;
632 X509_VERIFY_PARAM *vpm = NULL;
633 SSL_EXCERT *exc = NULL;
634 SSL_CONF_CTX *cctx = NULL;
635 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
636 STACK_OF(X509_CRL) *crls = NULL;
637 const SSL_METHOD *meth = TLS_client_method();
638 char *CApath = NULL, *CAfile = NULL, *cbuf = NULL, *sbuf = NULL;
639 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
640 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL, *prog;
641 char *chCApath = NULL, *chCAfile = NULL, *host = SSL_HOST_NAME;
643 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
644 char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;
645 char *jpake_secret = NULL, *xmpphost = NULL;
646 const char *unix_path = NULL;
647 const char *ehlo = "mail.example.com";
648 struct sockaddr peer;
649 struct timeval timeout, *timeoutp;
650 fd_set readfds, writefds;
651 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
652 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
654 int enable_timeouts = 0, sdebug = 0, peerlen = sizeof peer;
655 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
656 int ret = 1, in_init = 1, i, nbio_test = 0, s, k, width, state = 0;
657 int sbuf_len, sbuf_off, socket_type = SOCK_STREAM, cmdletters = 1;
658 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
659 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
660 int fallback_scsv = 0;
661 long socket_mtu = 0, randamt = 0;
662 unsigned short port = PORT;
664 #ifndef OPENSSL_NO_ENGINE
665 ENGINE *ssl_client_engine = NULL;
668 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
671 char *servername = NULL;
672 const char *alpn_in = NULL;
673 tlsextctx tlsextcbp = { NULL, 0 };
674 #define MAX_SI_TYPES 100
675 unsigned short serverinfo_types[MAX_SI_TYPES];
676 int serverinfo_count = 0, start = 0, len;
677 #ifndef OPENSSL_NO_NEXTPROTONEG
678 const char *next_proto_neg_in = NULL;
680 #ifndef OPENSSL_NO_SRP
681 char *srppass = NULL;
682 int srp_lateuser = 0;
683 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
686 prog = opt_progname(argv[0]);
695 verify_error = X509_V_OK;
696 vpm = X509_VERIFY_PARAM_new();
697 cbuf = app_malloc(BUFSIZZ, "cbuf");
698 sbuf = app_malloc(BUFSIZZ, "sbuf");
699 mbuf = app_malloc(BUFSIZZ, "mbuf");
700 cctx = SSL_CONF_CTX_new();
702 if (vpm == NULL || cctx == NULL) {
703 BIO_printf(bio_err, "%s: out of memory\n", prog);
707 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
709 prog = opt_init(argc, argv, s_client_options);
710 while ((o = opt_next()) != OPT_EOF) {
715 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
718 opt_help(s_client_options);
725 port = atoi(opt_arg());
728 connectstr = opt_arg();
731 proxystr = opt_arg();
732 starttls_proto = PROTO_CONNECT;
735 unix_path = opt_arg();
738 xmpphost = opt_arg();
744 verify = SSL_VERIFY_PEER;
745 verify_depth = atoi(opt_arg());
747 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
750 cert_file = opt_arg();
753 crl_file = opt_arg();
755 case OPT_CRL_DOWNLOAD:
759 sess_out = opt_arg();
765 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
769 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
772 case OPT_VERIFY_RET_ERROR:
773 verify_return_error = 1;
775 case OPT_VERIFY_QUIET:
779 c_brief = verify_quiet = c_quiet = 1;
782 if (ssl_args == NULL)
783 ssl_args = sk_OPENSSL_STRING_new_null();
785 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
786 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
787 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
792 if (!opt_verify(o, vpm))
797 if (!args_excert(o, &exc))
807 c_quiet = c_ign_eof = 1;
816 e = setup_engine(opt_arg(), 1);
818 case OPT_SSL_CLIENT_ENGINE:
819 #ifndef OPENSSL_NO_ENGINE
820 ssl_client_engine = ENGINE_by_id(opt_arg());
821 if (ssl_client_engine == NULL) {
822 BIO_printf(bio_err, "Error getting client auth engine\n");
843 case OPT_TLSEXTDEBUG:
858 bio_c_msg = BIO_new_file(opt_arg(), "w");
861 #ifndef OPENSSL_NO_SSL_TRACE
865 case OPT_SECURITY_DEBUG:
868 case OPT_SECURITY_DEBUG_VERBOSE:
880 #ifndef OPENSSL_NO_PSK
881 case OPT_PSK_IDENTITY:
882 psk_identity = opt_arg();
885 for (p = psk_key = opt_arg(); *p; p++) {
888 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
892 case OPT_PSK_IDENTITY:
896 #ifndef OPENSSL_NO_SRP
898 srp_arg.srplogin = opt_arg();
899 meth = TLSv1_client_method();
903 meth = TLSv1_client_method();
905 case OPT_SRP_STRENGTH:
906 srp_arg.strength = atoi(opt_arg());
907 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
909 meth = TLSv1_client_method();
911 case OPT_SRP_LATEUSER:
913 meth = TLSv1_client_method();
915 case OPT_SRP_MOREGROUPS:
917 meth = TLSv1_client_method();
922 case OPT_SRP_STRENGTH:
923 case OPT_SRP_LATEUSER:
924 case OPT_SRP_MOREGROUPS:
928 #ifndef OPENSSL_NO_SSL3
929 meth = SSLv3_client_method();
933 meth = TLSv1_2_client_method();
936 meth = TLSv1_1_client_method();
939 meth = TLSv1_client_method();
941 #ifndef OPENSSL_NO_DTLS1
943 meth = DTLS_client_method();
944 socket_type = SOCK_DGRAM;
947 meth = DTLSv1_client_method();
948 socket_type = SOCK_DGRAM;
951 meth = DTLSv1_2_client_method();
952 socket_type = SOCK_DGRAM;
958 socket_mtu = atol(opt_arg());
968 case OPT_FALLBACKSCSV:
972 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
979 chain_file = opt_arg();
982 key_file = opt_arg();
990 case OPT_CHAINCAPATH:
991 chCApath = opt_arg();
993 case OPT_VERIFYCAPATH:
994 vfyCApath = opt_arg();
996 case OPT_BUILD_CHAIN:
1002 case OPT_CHAINCAFILE:
1003 chCAfile = opt_arg();
1005 case OPT_VERIFYCAFILE:
1006 vfyCAfile = opt_arg();
1008 case OPT_NEXTPROTONEG:
1009 next_proto_neg_in = opt_arg();
1012 alpn_in = opt_arg();
1014 case OPT_SERVERINFO:
1017 for (start = 0, i = 0; i <= len; ++i) {
1018 if (i == len || p[i] == ',') {
1019 serverinfo_types[serverinfo_count] = atoi(p + start);
1020 if (++serverinfo_count == MAX_SI_TYPES)
1027 if (!opt_pair(opt_arg(), services, &starttls_proto))
1029 case OPT_SERVERNAME:
1030 servername = opt_arg();
1033 #ifndef OPENSSL_NO_JPAKE
1034 jpake_secret = opt_arg();
1038 srtp_profiles = opt_arg();
1040 case OPT_KEYMATEXPORT:
1041 keymatexportlabel = opt_arg();
1043 case OPT_KEYMATEXPORTLEN:
1044 keymatexportlen = atoi(opt_arg());
1048 argc = opt_num_rest();
1051 if (!app_load_modules(NULL))
1055 if (connectstr == NULL) {
1056 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1059 if (!extract_host_port(proxystr, &host, NULL, &port))
1062 else if (connectstr != NULL
1063 && !extract_host_port(connectstr, &host, NULL, &port))
1066 if (unix_path && (socket_type != SOCK_STREAM)) {
1068 "Can't use unix sockets and datagrams together\n");
1071 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1074 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n");
1077 psk_identity = "JPAKE";
1081 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1082 next_proto.status = -1;
1083 if (next_proto_neg_in) {
1085 next_protos_parse(&next_proto.len, next_proto_neg_in);
1086 if (next_proto.data == NULL) {
1087 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1091 next_proto.data = NULL;
1094 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1095 BIO_printf(bio_err, "Error getting password\n");
1099 if (key_file == NULL)
1100 key_file = cert_file;
1103 key = load_key(key_file, key_format, 0, pass, e,
1104 "client certificate private key file");
1106 ERR_print_errors(bio_err);
1112 cert = load_cert(cert_file, cert_format,
1113 NULL, e, "client certificate file");
1115 ERR_print_errors(bio_err);
1121 chain = load_certs(chain_file, FORMAT_PEM,
1122 NULL, e, "client certificate chain");
1129 crl = load_crl(crl_file, crl_format);
1131 BIO_puts(bio_err, "Error loading CRL\n");
1132 ERR_print_errors(bio_err);
1135 crls = sk_X509_CRL_new_null();
1136 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1137 BIO_puts(bio_err, "Error adding CRL\n");
1138 ERR_print_errors(bio_err);
1144 if (!load_excert(&exc))
1147 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1148 && !RAND_status()) {
1150 "warning, not much extra random data, consider using the -rand option\n");
1152 if (inrand != NULL) {
1153 randamt = app_RAND_load_files(inrand);
1154 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1157 if (bio_c_out == NULL) {
1158 if (c_quiet && !c_debug) {
1159 bio_c_out = BIO_new(BIO_s_null());
1160 if (c_msg && !bio_c_msg)
1161 bio_c_msg = dup_bio_out();
1162 } else if (bio_c_out == NULL)
1163 bio_c_out = dup_bio_out();
1165 #ifndef OPENSSL_NO_SRP
1166 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1167 BIO_printf(bio_err, "Error getting password\n");
1172 ctx = SSL_CTX_new(meth);
1174 ERR_print_errors(bio_err);
1179 ssl_ctx_security_debug(ctx, sdebug);
1181 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1182 BIO_printf(bio_err, "Error setting verify params\n");
1183 ERR_print_errors(bio_err);
1187 if (!config_ctx(cctx, ssl_args, ctx, 1, jpake_secret == NULL))
1190 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1191 crls, crl_download)) {
1192 BIO_printf(bio_err, "Error loading store locations\n");
1193 ERR_print_errors(bio_err);
1196 #ifndef OPENSSL_NO_ENGINE
1197 if (ssl_client_engine) {
1198 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1199 BIO_puts(bio_err, "Error setting client auth engine\n");
1200 ERR_print_errors(bio_err);
1201 ENGINE_free(ssl_client_engine);
1204 ENGINE_free(ssl_client_engine);
1208 #ifndef OPENSSL_NO_PSK
1209 if (psk_key != NULL || jpake_secret) {
1211 BIO_printf(bio_c_out,
1212 "PSK key given or JPAKE in use, setting client callback\n");
1213 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1216 #ifndef OPENSSL_NO_SRTP
1217 if (srtp_profiles != NULL) {
1218 /* Returns 0 on success! */
1219 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1220 BIO_printf(bio_err, "Error setting SRTP profile\n");
1221 ERR_print_errors(bio_err);
1228 ssl_ctx_set_excert(ctx, exc);
1230 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1231 if (next_proto.data)
1232 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1235 unsigned short alpn_len;
1236 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1239 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1242 /* Returns 0 on success! */
1243 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1244 BIO_printf(bio_err, "Error setting ALPN\n");
1250 for (i = 0; i < serverinfo_count; i++) {
1251 if (!SSL_CTX_add_client_custom_ext(ctx,
1252 serverinfo_types[i],
1254 serverinfo_cli_parse_cb, NULL)) {
1256 "Warning: Unable to add custom extension %u, skipping\n",
1257 serverinfo_types[i]);
1262 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1264 SSL_CTX_set_verify(ctx, verify, verify_callback);
1266 if (!ctx_set_verify_locations(ctx, CAfile, CApath)) {
1267 ERR_print_errors(bio_err);
1271 ssl_ctx_add_crls(ctx, crls, crl_download);
1273 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1276 if (servername != NULL) {
1277 tlsextcbp.biodebug = bio_err;
1278 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1279 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1281 # ifndef OPENSSL_NO_SRP
1282 if (srp_arg.srplogin) {
1283 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1284 BIO_printf(bio_err, "Unable to set SRP username\n");
1287 srp_arg.msg = c_msg;
1288 srp_arg.debug = c_debug;
1289 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1290 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1291 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1292 if (c_msg || c_debug || srp_arg.amp == 0)
1293 SSL_CTX_set_srp_verify_param_callback(ctx,
1294 ssl_srp_verify_param_cb);
1301 BIO *stmp = BIO_new_file(sess_in, "r");
1303 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1304 ERR_print_errors(bio_err);
1307 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1310 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1311 ERR_print_errors(bio_err);
1314 if (!SSL_set_session(con, sess)) {
1315 BIO_printf(bio_err, "Can't set session\n");
1316 ERR_print_errors(bio_err);
1319 SSL_SESSION_free(sess);
1323 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1325 if (servername != NULL) {
1326 if (!SSL_set_tlsext_host_name(con, servername)) {
1327 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1328 ERR_print_errors(bio_err);
1335 if (init_client(&s, host, port, socket_type) == 0)
1337 if ((!unix_path && (init_client(&s, host, port, socket_type) == 0)) ||
1338 (unix_path && (init_client_unix(&s, unix_path) == 0)))
1341 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1345 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1349 unsigned long l = 1;
1350 BIO_printf(bio_c_out, "turning on non blocking io\n");
1351 if (BIO_socket_ioctl(s, FIONBIO, &l) < 0) {
1352 ERR_print_errors(bio_err);
1358 SSL_set_debug(con, 1);
1360 if (socket_type == SOCK_DGRAM) {
1362 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1363 if (getsockname(s, &peer, (void *)&peerlen) < 0) {
1364 BIO_printf(bio_err, "getsockname:errno=%d\n",
1365 get_last_socket_error());
1370 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1372 if (enable_timeouts) {
1374 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1375 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1378 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1379 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1383 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1384 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1385 DTLS_get_link_min_mtu(con));
1389 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1390 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1391 BIO_printf(bio_err, "Failed to set MTU\n");
1396 /* want to do MTU discovery */
1397 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1399 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1404 test = BIO_new(BIO_f_nbio_test());
1405 sbio = BIO_push(test, sbio);
1409 SSL_set_debug(con, 1);
1410 BIO_set_callback(sbio, bio_dump_callback);
1411 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1414 #ifndef OPENSSL_NO_SSL_TRACE
1416 SSL_set_msg_callback(con, SSL_trace);
1419 SSL_set_msg_callback(con, msg_cb);
1420 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1423 if (c_tlsextdebug) {
1424 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1425 SSL_set_tlsext_debug_arg(con, bio_c_out);
1428 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1429 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1430 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1432 #ifndef OPENSSL_NO_JPAKE
1434 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1437 SSL_set_bio(con, sbio, sbio);
1438 SSL_set_connect_state(con);
1440 /* ok, lets connect */
1441 width = SSL_get_fd(con) + 1;
1454 switch ((PROTOCOL_CHOICE) starttls_proto) {
1460 * This is an ugly hack that does a lot of assumptions. We do
1461 * have to handle multi-line responses which may come in a single
1462 * packet or not. We therefore have to use BIO_gets() which does
1463 * need a buffering BIO. So during the initial chitchat we do
1464 * push a buffering BIO into the chain that is removed again
1465 * later on to not disturb the rest of the s_client operation.
1468 BIO *fbio = BIO_new(BIO_f_buffer());
1469 BIO_push(fbio, sbio);
1470 /* wait for multi-line response to end from SMTP */
1472 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1474 while (mbuf_len > 3 && mbuf[3] == '-');
1475 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1476 (void)BIO_flush(fbio);
1477 /* wait for multi-line response to end EHLO SMTP response */
1479 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1480 if (strstr(mbuf, "STARTTLS"))
1483 while (mbuf_len > 3 && mbuf[3] == '-');
1484 (void)BIO_flush(fbio);
1489 "didn't found starttls in server response,"
1490 " try anyway...\n");
1491 BIO_printf(sbio, "STARTTLS\r\n");
1492 BIO_read(sbio, sbuf, BUFSIZZ);
1497 BIO_read(sbio, mbuf, BUFSIZZ);
1498 BIO_printf(sbio, "STLS\r\n");
1499 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1501 BIO_printf(bio_err, "BIO_read failed\n");
1509 BIO *fbio = BIO_new(BIO_f_buffer());
1510 BIO_push(fbio, sbio);
1511 BIO_gets(fbio, mbuf, BUFSIZZ);
1512 /* STARTTLS command requires CAPABILITY... */
1513 BIO_printf(fbio, ". CAPABILITY\r\n");
1514 (void)BIO_flush(fbio);
1515 /* wait for multi-line CAPABILITY response */
1517 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1518 if (strstr(mbuf, "STARTTLS"))
1521 while (mbuf_len > 3 && mbuf[0] != '.');
1522 (void)BIO_flush(fbio);
1527 "didn't found STARTTLS in server response,"
1528 " try anyway...\n");
1529 BIO_printf(sbio, ". STARTTLS\r\n");
1530 BIO_read(sbio, sbuf, BUFSIZZ);
1535 BIO *fbio = BIO_new(BIO_f_buffer());
1536 BIO_push(fbio, sbio);
1537 /* wait for multi-line response to end from FTP */
1539 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1541 while (mbuf_len > 3 && mbuf[3] == '-');
1542 (void)BIO_flush(fbio);
1545 BIO_printf(sbio, "AUTH TLS\r\n");
1546 BIO_read(sbio, sbuf, BUFSIZZ);
1552 BIO_printf(sbio, "<stream:stream "
1553 "xmlns:stream='http://etherx.jabber.org/streams' "
1554 "xmlns='jabber:client' to='%s' version='1.0'>",
1555 xmpphost ? xmpphost : host);
1556 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1559 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1561 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1563 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1571 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1572 seen = BIO_read(sbio, sbuf, BUFSIZZ);
1574 if (!strstr(sbuf, "<proceed"))
1581 static const unsigned char tls_do[] = {
1582 /* IAC DO START_TLS */
1585 static const unsigned char tls_will[] = {
1586 /* IAC WILL START_TLS */
1589 static const unsigned char tls_follows[] = {
1590 /* IAC SB START_TLS FOLLOWS IAC SE */
1591 255, 250, 46, 1, 255, 240
1595 /* Telnet server should demand we issue START_TLS */
1596 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1597 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
1599 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
1600 BIO_write(sbio, tls_will, 3);
1601 BIO_write(sbio, tls_follows, 6);
1602 (void)BIO_flush(sbio);
1603 /* Telnet server also sent the FOLLOWS sub-command */
1604 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1605 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
1612 BIO *fbio = BIO_new(BIO_f_buffer());
1614 BIO_push(fbio, sbio);
1615 BIO_printf(fbio, "CONNECT %s\r\n\r\n", connectstr);
1616 (void)BIO_flush(fbio);
1617 /* wait for multi-line response to end CONNECT response */
1619 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1620 if (strstr(mbuf, "200") != NULL
1621 && strstr(mbuf, "established") != NULL)
1623 } while (mbuf_len > 3 && foundit == 0);
1624 (void)BIO_flush(fbio);
1628 BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
1639 if ((SSL_version(con) == DTLS1_VERSION) &&
1640 DTLSv1_get_timeout(con, &timeout))
1641 timeoutp = &timeout;
1645 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
1653 if (servername != NULL && !SSL_session_reused(con)) {
1654 BIO_printf(bio_c_out,
1655 "Server did %sacknowledge servername extension.\n",
1656 tlsextcbp.ack ? "" : "not ");
1660 BIO *stmp = BIO_new_file(sess_out, "w");
1662 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1665 BIO_printf(bio_err, "Error writing session file %s\n",
1669 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
1670 print_ssl_summary(con);
1673 print_stuff(bio_c_out, con, full_log);
1677 if (starttls_proto) {
1678 BIO_write(bio_err, mbuf, mbuf_len);
1679 /* We don't need to know any more */
1681 starttls_proto = PROTO_OFF;
1686 BIO_printf(bio_c_out,
1687 "drop connection and then reconnect\n");
1689 SSL_set_connect_state(con);
1690 SHUTDOWN(SSL_get_fd(con));
1696 ssl_pending = read_ssl && SSL_pending(con);
1699 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
1702 openssl_fdset(fileno(stdin), &readfds);
1704 openssl_fdset(fileno(stdout), &writefds);
1707 openssl_fdset(SSL_get_fd(con), &readfds);
1709 openssl_fdset(SSL_get_fd(con), &writefds);
1711 if (!tty_on || !write_tty) {
1713 openssl_fdset(SSL_get_fd(con), &readfds);
1715 openssl_fdset(SSL_get_fd(con), &writefds);
1720 * Note: under VMS with SOCKETSHR the second parameter is
1721 * currently of type (int *) whereas under other systems it is
1722 * (void *) if you don't have a cast it will choke the compiler:
1723 * if you do have a cast then you can either go for (int *) or
1726 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1728 * Under Windows/DOS we make the assumption that we can always
1729 * write to the tty: therefore if we need to write to the tty we
1730 * just fall through. Otherwise we timeout the select every
1731 * second and see if there are any keypresses. Note: this is a
1732 * hack, in a proper Windows application we wouldn't do this.
1739 i = select(width, (void *)&readfds, (void *)&writefds,
1741 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1742 if (!i && (!_kbhit() || !read_tty))
1745 if (!i && (!((_kbhit())
1746 || (WAIT_OBJECT_0 ==
1747 WaitForSingleObject(GetStdHandle
1754 i = select(width, (void *)&readfds, (void *)&writefds,
1757 #elif defined(OPENSSL_SYS_NETWARE)
1762 i = select(width, (void *)&readfds, (void *)&writefds,
1765 i = select(width, (void *)&readfds, (void *)&writefds,
1769 i = select(width, (void *)&readfds, (void *)&writefds,
1773 BIO_printf(bio_err, "bad select %d\n",
1774 get_last_socket_error());
1780 if ((SSL_version(con) == DTLS1_VERSION)
1781 && DTLSv1_handle_timeout(con) > 0) {
1782 BIO_printf(bio_err, "TIMEOUT occurred\n");
1785 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
1786 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
1787 switch (SSL_get_error(con, k)) {
1788 case SSL_ERROR_NONE:
1793 /* we have done a write(con,NULL,0); */
1794 if (cbuf_len <= 0) {
1797 } else { /* if (cbuf_len > 0) */
1803 case SSL_ERROR_WANT_WRITE:
1804 BIO_printf(bio_c_out, "write W BLOCK\n");
1808 case SSL_ERROR_WANT_READ:
1809 BIO_printf(bio_c_out, "write R BLOCK\n");
1814 case SSL_ERROR_WANT_X509_LOOKUP:
1815 BIO_printf(bio_c_out, "write X BLOCK\n");
1817 case SSL_ERROR_ZERO_RETURN:
1818 if (cbuf_len != 0) {
1819 BIO_printf(bio_c_out, "shutdown\n");
1828 case SSL_ERROR_SYSCALL:
1829 if ((k != 0) || (cbuf_len != 0)) {
1830 BIO_printf(bio_err, "write:errno=%d\n",
1831 get_last_socket_error());
1839 ERR_print_errors(bio_err);
1843 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1844 /* Assume Windows/DOS/BeOS can always write */
1845 else if (!ssl_pending && write_tty)
1847 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
1850 #ifdef CHARSET_EBCDIC
1851 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
1853 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
1856 BIO_printf(bio_c_out, "DONE\n");
1864 if (sbuf_len <= 0) {
1868 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
1873 SSL_renegotiate(con);
1878 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
1880 switch (SSL_get_error(con, k)) {
1881 case SSL_ERROR_NONE:
1890 case SSL_ERROR_WANT_WRITE:
1891 BIO_printf(bio_c_out, "read W BLOCK\n");
1895 case SSL_ERROR_WANT_READ:
1896 BIO_printf(bio_c_out, "read R BLOCK\n");
1899 if ((read_tty == 0) && (write_ssl == 0))
1902 case SSL_ERROR_WANT_X509_LOOKUP:
1903 BIO_printf(bio_c_out, "read X BLOCK\n");
1905 case SSL_ERROR_SYSCALL:
1906 ret = get_last_socket_error();
1908 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
1910 BIO_printf(bio_err, "read:errno=%d\n", ret);
1912 case SSL_ERROR_ZERO_RETURN:
1913 BIO_printf(bio_c_out, "closed\n");
1917 ERR_print_errors(bio_err);
1922 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1923 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1927 || (WAIT_OBJECT_0 ==
1928 WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1930 #elif defined (OPENSSL_SYS_NETWARE)
1933 else if (FD_ISSET(fileno(stdin), &readfds))
1939 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
1941 /* both loops are skipped when i <= 0 */
1942 for (j = 0; j < i; j++)
1943 if (cbuf[j] == '\n')
1945 for (j = i - 1; j >= 0; j--) {
1946 cbuf[j + lf_num] = cbuf[j];
1947 if (cbuf[j] == '\n') {
1950 cbuf[j + lf_num] = '\r';
1953 assert(lf_num == 0);
1955 i = raw_read_stdin(cbuf, BUFSIZZ);
1957 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
1958 BIO_printf(bio_err, "DONE\n");
1963 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
1964 BIO_printf(bio_err, "RENEGOTIATING\n");
1965 SSL_renegotiate(con);
1968 #ifndef OPENSSL_NO_HEARTBEATS
1969 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
1970 BIO_printf(bio_err, "HEARTBEATING\n");
1978 #ifdef CHARSET_EBCDIC
1979 ebcdic2ascii(cbuf, cbuf, i);
1991 print_stuff(bio_c_out, con, full_log);
1993 SHUTDOWN(SSL_get_fd(con));
1997 print_stuff(bio_c_out, con, 1);
2000 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2001 OPENSSL_free(next_proto.data);
2005 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2007 sk_X509_pop_free(chain, X509_free);
2009 X509_VERIFY_PARAM_free(vpm);
2010 ssl_excert_free(exc);
2011 sk_OPENSSL_STRING_free(ssl_args);
2012 SSL_CONF_CTX_free(cctx);
2013 OPENSSL_clear_free(cbuf, BUFSIZZ);
2014 OPENSSL_clear_free(sbuf, BUFSIZZ);
2015 OPENSSL_clear_free(mbuf, BUFSIZZ);
2016 BIO_free(bio_c_out);
2018 BIO_free(bio_c_msg);
2023 static void print_stuff(BIO *bio, SSL *s, int full)
2028 STACK_OF(X509_NAME) *sk2;
2029 const SSL_CIPHER *c;
2032 #ifndef OPENSSL_NO_COMP
2033 const COMP_METHOD *comp, *expansion;
2035 unsigned char *exportedkeymat;
2038 int got_a_chain = 0;
2040 sk = SSL_get_peer_cert_chain(s);
2044 BIO_printf(bio, "---\nCertificate chain\n");
2045 for (i = 0; i < sk_X509_num(sk); i++) {
2046 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2048 BIO_printf(bio, "%2d s:%s\n", i, buf);
2049 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2051 BIO_printf(bio, " i:%s\n", buf);
2053 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2057 BIO_printf(bio, "---\n");
2058 peer = SSL_get_peer_certificate(s);
2060 BIO_printf(bio, "Server certificate\n");
2062 /* Redundant if we showed the whole chain */
2063 if (!(c_showcerts && got_a_chain))
2064 PEM_write_bio_X509(bio, peer);
2065 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2066 BIO_printf(bio, "subject=%s\n", buf);
2067 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2068 BIO_printf(bio, "issuer=%s\n", buf);
2070 BIO_printf(bio, "no peer certificate available\n");
2072 sk2 = SSL_get_client_CA_list(s);
2073 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2074 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2075 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2076 xn = sk_X509_NAME_value(sk2, i);
2077 X509_NAME_oneline(xn, buf, sizeof(buf));
2078 BIO_write(bio, buf, strlen(buf));
2079 BIO_write(bio, "\n", 1);
2082 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2085 ssl_print_sigalgs(bio, s);
2086 ssl_print_tmp_key(bio, s);
2089 "---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2090 BIO_number_read(SSL_get_rbio(s)),
2091 BIO_number_written(SSL_get_wbio(s)));
2093 BIO_printf(bio, (SSL_cache_hit(s) ? "---\nReused, " : "---\nNew, "));
2094 c = SSL_get_current_cipher(s);
2095 BIO_printf(bio, "%s, Cipher is %s\n",
2096 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2099 pktmp = X509_get_pubkey(peer);
2100 BIO_printf(bio, "Server public key is %d bit\n",
2101 EVP_PKEY_bits(pktmp));
2102 EVP_PKEY_free(pktmp);
2104 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2105 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2106 #ifndef OPENSSL_NO_COMP
2107 comp = SSL_get_current_compression(s);
2108 expansion = SSL_get_current_expansion(s);
2109 BIO_printf(bio, "Compression: %s\n",
2110 comp ? SSL_COMP_get_name(comp) : "NONE");
2111 BIO_printf(bio, "Expansion: %s\n",
2112 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2117 /* Print out local port of connection: useful for debugging */
2119 struct sockaddr_in ladd;
2120 socklen_t ladd_size = sizeof(ladd);
2121 sock = SSL_get_fd(s);
2122 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2123 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2127 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2128 if (next_proto.status != -1) {
2129 const unsigned char *proto;
2130 unsigned int proto_len;
2131 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2132 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2133 BIO_write(bio, proto, proto_len);
2134 BIO_write(bio, "\n", 1);
2138 const unsigned char *proto;
2139 unsigned int proto_len;
2140 SSL_get0_alpn_selected(s, &proto, &proto_len);
2141 if (proto_len > 0) {
2142 BIO_printf(bio, "ALPN protocol: ");
2143 BIO_write(bio, proto, proto_len);
2144 BIO_write(bio, "\n", 1);
2146 BIO_printf(bio, "No ALPN negotiated\n");
2149 #ifndef OPENSSL_NO_SRTP
2151 SRTP_PROTECTION_PROFILE *srtp_profile =
2152 SSL_get_selected_srtp_profile(s);
2155 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2156 srtp_profile->name);
2160 SSL_SESSION_print(bio, SSL_get_session(s));
2161 if (keymatexportlabel != NULL) {
2162 BIO_printf(bio, "Keying material exporter:\n");
2163 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2164 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2165 exportedkeymat = app_malloc(keymatexportlen, "export key");
2166 if (!SSL_export_keying_material(s, exportedkeymat,
2169 strlen(keymatexportlabel),
2171 BIO_printf(bio, " Error\n");
2173 BIO_printf(bio, " Keying material: ");
2174 for (i = 0; i < keymatexportlen; i++)
2175 BIO_printf(bio, "%02X", exportedkeymat[i]);
2176 BIO_printf(bio, "\n");
2178 OPENSSL_free(exportedkeymat);
2180 BIO_printf(bio, "---\n");
2182 /* flush, or debugging output gets mixed with http response */
2183 (void)BIO_flush(bio);
2186 static int ocsp_resp_cb(SSL *s, void *arg)
2188 const unsigned char *p;
2191 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2192 BIO_puts(arg, "OCSP response: ");
2194 BIO_puts(arg, "no response sent\n");
2197 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2199 BIO_puts(arg, "response parse error\n");
2200 BIO_dump_indent(arg, (char *)p, len, 4);
2203 BIO_puts(arg, "\n======================================\n");
2204 OCSP_RESPONSE_print(arg, rsp, 0);
2205 BIO_puts(arg, "======================================\n");
2206 OCSP_RESPONSE_free(rsp);