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2117 lines
71 KiB
2117 lines
71 KiB
/* apps/s_client.c */ |
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
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* All rights reserved. |
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* |
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* This package is an SSL implementation written |
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* by Eric Young (eay@cryptsoft.com). |
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* The implementation was written so as to conform with Netscapes SSL. |
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* |
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* This library is free for commercial and non-commercial use as long as |
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* the following conditions are aheared to. The following conditions |
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* apply to all code found in this distribution, be it the RC4, RSA, |
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation |
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* included with this distribution is covered by the same copyright terms |
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* except that the holder is Tim Hudson (tjh@cryptsoft.com). |
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* |
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* Copyright remains Eric Young's, and as such any Copyright notices in |
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* the code are not to be removed. |
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* If this package is used in a product, Eric Young should be given attribution |
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* as the author of the parts of the library used. |
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* This can be in the form of a textual message at program startup or |
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* in documentation (online or textual) provided with the package. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. All advertising materials mentioning features or use of this software |
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* must display the following acknowledgement: |
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* "This product includes cryptographic software written by |
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* Eric Young (eay@cryptsoft.com)" |
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* The word 'cryptographic' can be left out if the rouines from the library |
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* being used are not cryptographic related :-). |
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* 4. If you include any Windows specific code (or a derivative thereof) from |
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* the apps directory (application code) you must include an acknowledgement: |
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* The licence and distribution terms for any publically available version or |
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* derivative of this code cannot be changed. i.e. this code cannot simply be |
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* copied and put under another distribution licence |
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* [including the GNU Public Licence.] |
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*/ |
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/* ==================================================================== |
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* Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
|
* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* openssl-core@openssl.org. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This product includes cryptographic software written by Eric Young |
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* (eay@cryptsoft.com). This product includes software written by Tim |
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* Hudson (tjh@cryptsoft.com). |
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* |
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*/ |
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/* ==================================================================== |
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* Copyright 2005 Nokia. All rights reserved. |
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* |
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* The portions of the attached software ("Contribution") is developed by |
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* Nokia Corporation and is licensed pursuant to the OpenSSL open source |
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* license. |
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* |
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* The Contribution, originally written by Mika Kousa and Pasi Eronen of |
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* Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites |
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* support (see RFC 4279) to OpenSSL. |
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* |
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* No patent licenses or other rights except those expressly stated in |
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* the OpenSSL open source license shall be deemed granted or received |
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* expressly, by implication, estoppel, or otherwise. |
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* |
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* No assurances are provided by Nokia that the Contribution does not |
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* infringe the patent or other intellectual property rights of any third |
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* party or that the license provides you with all the necessary rights |
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* to make use of the Contribution. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN |
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* ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA |
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* SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY |
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* OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR |
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* OTHERWISE. |
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*/ |
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|
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#include <assert.h> |
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#include <ctype.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <openssl/e_os2.h> |
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#ifdef OPENSSL_NO_STDIO |
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# define APPS_WIN16 |
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#endif |
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|
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/* |
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* With IPv6, it looks like Digital has mixed up the proper order of |
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* recursive header file inclusion, resulting in the compiler complaining |
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* that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is |
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* needed to have fileno() declared correctly... So let's define u_int |
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*/ |
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#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT) |
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# define __U_INT |
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typedef unsigned int u_int; |
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#endif |
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|
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#define USE_SOCKETS |
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#include "apps.h" |
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#include <openssl/x509.h> |
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#include <openssl/ssl.h> |
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#include <openssl/err.h> |
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#include <openssl/pem.h> |
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#include <openssl/rand.h> |
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#include <openssl/ocsp.h> |
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#include <openssl/bn.h> |
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#ifndef OPENSSL_NO_SRP |
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# include <openssl/srp.h> |
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#endif |
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#include "s_apps.h" |
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#include "timeouts.h" |
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|
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#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000) |
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/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */ |
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# undef FIONBIO |
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#endif |
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|
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#if defined(OPENSSL_SYS_BEOS_R5) |
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# include <fcntl.h> |
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#endif |
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|
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#undef PROG |
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#define PROG s_client_main |
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|
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/* |
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* #define SSL_HOST_NAME "www.netscape.com" |
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*/ |
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/* |
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* #define SSL_HOST_NAME "193.118.187.102" |
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*/ |
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#define SSL_HOST_NAME "localhost" |
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|
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/* no default cert. */ |
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/* |
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* #define TEST_CERT "client.pem" |
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*/ |
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|
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#undef BUFSIZZ |
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#define BUFSIZZ 1024*8 |
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|
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extern int verify_depth; |
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extern int verify_error; |
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extern int verify_return_error; |
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|
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#ifdef FIONBIO |
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static int c_nbio = 0; |
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#endif |
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static int c_Pause = 0; |
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static int c_debug = 0; |
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#ifndef OPENSSL_NO_TLSEXT |
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static int c_tlsextdebug = 0; |
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static int c_status_req = 0; |
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#endif |
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static int c_msg = 0; |
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static int c_showcerts = 0; |
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|
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static char *keymatexportlabel = NULL; |
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static int keymatexportlen = 20; |
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|
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static void sc_usage(void); |
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static void print_stuff(BIO *berr, SSL *con, int full); |
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#ifndef OPENSSL_NO_TLSEXT |
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static int ocsp_resp_cb(SSL *s, void *arg); |
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#endif |
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static BIO *bio_c_out = NULL; |
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static int c_quiet = 0; |
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static int c_ign_eof = 0; |
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|
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#ifndef OPENSSL_NO_PSK |
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/* Default PSK identity and key */ |
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static char *psk_identity = "Client_identity"; |
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/* |
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* char *psk_key=NULL; by default PSK is not used |
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*/ |
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|
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static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity, |
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unsigned int max_identity_len, |
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unsigned char *psk, |
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unsigned int max_psk_len) |
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{ |
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unsigned int psk_len = 0; |
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int ret; |
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BIGNUM *bn = NULL; |
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|
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if (c_debug) |
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BIO_printf(bio_c_out, "psk_client_cb\n"); |
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if (!hint) { |
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/* no ServerKeyExchange message */ |
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if (c_debug) |
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BIO_printf(bio_c_out, |
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"NULL received PSK identity hint, continuing anyway\n"); |
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} else if (c_debug) |
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BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint); |
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|
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/* |
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* lookup PSK identity and PSK key based on the given identity hint here |
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*/ |
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ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity); |
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if (ret < 0 || (unsigned int)ret > max_identity_len) |
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goto out_err; |
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if (c_debug) |
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BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, |
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ret); |
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ret = BN_hex2bn(&bn, psk_key); |
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if (!ret) { |
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BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n", |
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psk_key); |
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if (bn) |
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BN_free(bn); |
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return 0; |
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} |
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|
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if ((unsigned int)BN_num_bytes(bn) > max_psk_len) { |
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BIO_printf(bio_err, |
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"psk buffer of callback is too small (%d) for key (%d)\n", |
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max_psk_len, BN_num_bytes(bn)); |
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BN_free(bn); |
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return 0; |
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} |
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|
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psk_len = BN_bn2bin(bn, psk); |
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BN_free(bn); |
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if (psk_len == 0) |
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goto out_err; |
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|
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if (c_debug) |
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BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len); |
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|
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return psk_len; |
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out_err: |
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if (c_debug) |
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BIO_printf(bio_err, "Error in PSK client callback\n"); |
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return 0; |
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} |
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#endif |
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|
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static void sc_usage(void) |
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{ |
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BIO_printf(bio_err, "usage: s_client args\n"); |
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BIO_printf(bio_err, "\n"); |
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BIO_printf(bio_err, " -host host - use -connect instead\n"); |
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BIO_printf(bio_err, " -port port - use -connect instead\n"); |
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BIO_printf(bio_err, |
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" -connect host:port - who to connect to (default is %s:%s)\n", |
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SSL_HOST_NAME, PORT_STR); |
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|
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BIO_printf(bio_err, |
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" -verify arg - turn on peer certificate verification\n"); |
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BIO_printf(bio_err, |
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" -verify_return_error - return verification errors\n"); |
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BIO_printf(bio_err, |
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" -cert arg - certificate file to use, PEM format assumed\n"); |
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BIO_printf(bio_err, |
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" -certform arg - certificate format (PEM or DER) PEM default\n"); |
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BIO_printf(bio_err, |
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" -key arg - Private key file to use, in cert file if\n"); |
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BIO_printf(bio_err, " not specified but cert file is.\n"); |
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BIO_printf(bio_err, |
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" -keyform arg - key format (PEM or DER) PEM default\n"); |
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BIO_printf(bio_err, |
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" -pass arg - private key file pass phrase source\n"); |
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BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n"); |
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BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n"); |
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BIO_printf(bio_err, |
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" -no_alt_chains - only ever use the first certificate chain found\n"); |
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BIO_printf(bio_err, |
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" -reconnect - Drop and re-make the connection with the same Session-ID\n"); |
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BIO_printf(bio_err, |
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" -pause - sleep(1) after each read(2) and write(2) system call\n"); |
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BIO_printf(bio_err, |
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" -prexit - print session information even on connection failure\n"); |
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BIO_printf(bio_err, |
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" -showcerts - show all certificates in the chain\n"); |
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BIO_printf(bio_err, " -debug - extra output\n"); |
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#ifdef WATT32 |
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BIO_printf(bio_err, " -wdebug - WATT-32 tcp debugging\n"); |
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#endif |
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BIO_printf(bio_err, " -msg - Show protocol messages\n"); |
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BIO_printf(bio_err, " -nbio_test - more ssl protocol testing\n"); |
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BIO_printf(bio_err, " -state - print the 'ssl' states\n"); |
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#ifdef FIONBIO |
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BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n"); |
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#endif |
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BIO_printf(bio_err, |
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" -crlf - convert LF from terminal into CRLF\n"); |
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BIO_printf(bio_err, " -quiet - no s_client output\n"); |
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BIO_printf(bio_err, |
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" -ign_eof - ignore input eof (default when -quiet)\n"); |
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BIO_printf(bio_err, " -no_ign_eof - don't ignore input eof\n"); |
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#ifndef OPENSSL_NO_PSK |
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BIO_printf(bio_err, " -psk_identity arg - PSK identity\n"); |
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BIO_printf(bio_err, " -psk arg - PSK in hex (without 0x)\n"); |
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# ifndef OPENSSL_NO_JPAKE |
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BIO_printf(bio_err, " -jpake arg - JPAKE secret to use\n"); |
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# endif |
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#endif |
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#ifndef OPENSSL_NO_SRP |
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BIO_printf(bio_err, |
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" -srpuser user - SRP authentification for 'user'\n"); |
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BIO_printf(bio_err, " -srppass arg - password for 'user'\n"); |
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BIO_printf(bio_err, |
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" -srp_lateuser - SRP username into second ClientHello message\n"); |
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BIO_printf(bio_err, |
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" -srp_moregroups - Tolerate other than the known g N values.\n"); |
|
BIO_printf(bio_err, |
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" -srp_strength int - minimal length in bits for N (default %d).\n", |
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SRP_MINIMAL_N); |
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#endif |
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BIO_printf(bio_err, " -ssl2 - just use SSLv2\n"); |
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#ifndef OPENSSL_NO_SSL3_METHOD |
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BIO_printf(bio_err, " -ssl3 - just use SSLv3\n"); |
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#endif |
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BIO_printf(bio_err, " -tls1_2 - just use TLSv1.2\n"); |
|
BIO_printf(bio_err, " -tls1_1 - just use TLSv1.1\n"); |
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BIO_printf(bio_err, " -tls1 - just use TLSv1\n"); |
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BIO_printf(bio_err, " -dtls1 - just use DTLSv1\n"); |
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BIO_printf(bio_err, " -fallback_scsv - send TLS_FALLBACK_SCSV\n"); |
|
BIO_printf(bio_err, " -mtu - set the link layer MTU\n"); |
|
BIO_printf(bio_err, |
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" -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n"); |
|
BIO_printf(bio_err, |
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" -bugs - Switch on all SSL implementation bug workarounds\n"); |
|
BIO_printf(bio_err, |
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" -serverpref - Use server's cipher preferences (only SSLv2)\n"); |
|
BIO_printf(bio_err, |
|
" -cipher - preferred cipher to use, use the 'openssl ciphers'\n"); |
|
BIO_printf(bio_err, |
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" command to see what is available\n"); |
|
BIO_printf(bio_err, |
|
" -starttls prot - use the STARTTLS command before starting TLS\n"); |
|
BIO_printf(bio_err, |
|
" for those protocols that support it, where\n"); |
|
BIO_printf(bio_err, |
|
" 'prot' defines which one to assume. Currently,\n"); |
|
BIO_printf(bio_err, |
|
" only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n"); |
|
BIO_printf(bio_err, " are supported.\n"); |
|
#ifndef OPENSSL_NO_ENGINE |
|
BIO_printf(bio_err, |
|
" -engine id - Initialise and use the specified engine\n"); |
|
#endif |
|
BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, |
|
LIST_SEPARATOR_CHAR); |
|
BIO_printf(bio_err, " -sess_out arg - file to write SSL session to\n"); |
|
BIO_printf(bio_err, " -sess_in arg - file to read SSL session from\n"); |
|
#ifndef OPENSSL_NO_TLSEXT |
|
BIO_printf(bio_err, |
|
" -servername host - Set TLS extension servername in ClientHello\n"); |
|
BIO_printf(bio_err, |
|
" -tlsextdebug - hex dump of all TLS extensions received\n"); |
|
BIO_printf(bio_err, |
|
" -status - request certificate status from server\n"); |
|
BIO_printf(bio_err, |
|
" -no_ticket - disable use of RFC4507bis session tickets\n"); |
|
# ifndef OPENSSL_NO_NEXTPROTONEG |
|
BIO_printf(bio_err, |
|
" -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n"); |
|
# endif |
|
#endif |
|
BIO_printf(bio_err, |
|
" -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); |
|
#ifndef OPENSSL_NO_SRTP |
|
BIO_printf(bio_err, |
|
" -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); |
|
#endif |
|
BIO_printf(bio_err, |
|
" -keymatexport label - Export keying material using label\n"); |
|
BIO_printf(bio_err, |
|
" -keymatexportlen len - Export len bytes of keying material (default 20)\n"); |
|
} |
|
|
|
#ifndef OPENSSL_NO_TLSEXT |
|
|
|
/* This is a context that we pass to callbacks */ |
|
typedef struct tlsextctx_st { |
|
BIO *biodebug; |
|
int ack; |
|
} tlsextctx; |
|
|
|
static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) |
|
{ |
|
tlsextctx *p = (tlsextctx *) arg; |
|
const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); |
|
if (SSL_get_servername_type(s) != -1) |
|
p->ack = !SSL_session_reused(s) && hn != NULL; |
|
else |
|
BIO_printf(bio_err, "Can't use SSL_get_servername\n"); |
|
|
|
return SSL_TLSEXT_ERR_OK; |
|
} |
|
|
|
# ifndef OPENSSL_NO_SRP |
|
|
|
/* This is a context that we pass to all callbacks */ |
|
typedef struct srp_arg_st { |
|
char *srppassin; |
|
char *srplogin; |
|
int msg; /* copy from c_msg */ |
|
int debug; /* copy from c_debug */ |
|
int amp; /* allow more groups */ |
|
int strength /* minimal size for N */ ; |
|
} SRP_ARG; |
|
|
|
# define SRP_NUMBER_ITERATIONS_FOR_PRIME 64 |
|
|
|
static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g) |
|
{ |
|
BN_CTX *bn_ctx = BN_CTX_new(); |
|
BIGNUM *p = BN_new(); |
|
BIGNUM *r = BN_new(); |
|
int ret = |
|
g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) && |
|
BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && |
|
p != NULL && BN_rshift1(p, N) && |
|
/* p = (N-1)/2 */ |
|
BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && |
|
r != NULL && |
|
/* verify g^((N-1)/2) == -1 (mod N) */ |
|
BN_mod_exp(r, g, p, N, bn_ctx) && |
|
BN_add_word(r, 1) && BN_cmp(r, N) == 0; |
|
|
|
if (r) |
|
BN_free(r); |
|
if (p) |
|
BN_free(p); |
|
if (bn_ctx) |
|
BN_CTX_free(bn_ctx); |
|
return ret; |
|
} |
|
|
|
/*- |
|
* This callback is used here for two purposes: |
|
* - extended debugging |
|
* - making some primality tests for unknown groups |
|
* The callback is only called for a non default group. |
|
* |
|
* An application does not need the call back at all if |
|
* only the stanard groups are used. In real life situations, |
|
* client and server already share well known groups, |
|
* thus there is no need to verify them. |
|
* Furthermore, in case that a server actually proposes a group that |
|
* is not one of those defined in RFC 5054, it is more appropriate |
|
* to add the group to a static list and then compare since |
|
* primality tests are rather cpu consuming. |
|
*/ |
|
|
|
static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg) |
|
{ |
|
SRP_ARG *srp_arg = (SRP_ARG *)arg; |
|
BIGNUM *N = NULL, *g = NULL; |
|
if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s))) |
|
return 0; |
|
if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) { |
|
BIO_printf(bio_err, "SRP parameters:\n"); |
|
BIO_printf(bio_err, "\tN="); |
|
BN_print(bio_err, N); |
|
BIO_printf(bio_err, "\n\tg="); |
|
BN_print(bio_err, g); |
|
BIO_printf(bio_err, "\n"); |
|
} |
|
|
|
if (SRP_check_known_gN_param(g, N)) |
|
return 1; |
|
|
|
if (srp_arg->amp == 1) { |
|
if (srp_arg->debug) |
|
BIO_printf(bio_err, |
|
"SRP param N and g are not known params, going to check deeper.\n"); |
|
|
|
/* |
|
* The srp_moregroups is a real debugging feature. Implementors |
|
* should rather add the value to the known ones. The minimal size |
|
* has already been tested. |
|
*/ |
|
if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g)) |
|
return 1; |
|
} |
|
BIO_printf(bio_err, "SRP param N and g rejected.\n"); |
|
return 0; |
|
} |
|
|
|
# define PWD_STRLEN 1024 |
|
|
|
static char *MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg) |
|
{ |
|
SRP_ARG *srp_arg = (SRP_ARG *)arg; |
|
char *pass = (char *)OPENSSL_malloc(PWD_STRLEN + 1); |
|
PW_CB_DATA cb_tmp; |
|
int l; |
|
|
|
if (!pass) { |
|
BIO_printf(bio_err, "Malloc failure\n"); |
|
return NULL; |
|
} |
|
|
|
cb_tmp.password = (char *)srp_arg->srppassin; |
|
cb_tmp.prompt_info = "SRP user"; |
|
if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) { |
|
BIO_printf(bio_err, "Can't read Password\n"); |
|
OPENSSL_free(pass); |
|
return NULL; |
|
} |
|
*(pass + l) = '\0'; |
|
|
|
return pass; |
|
} |
|
|
|
# endif |
|
# ifndef OPENSSL_NO_SRTP |
|
char *srtp_profiles = NULL; |
|
# endif |
|
|
|
# ifndef OPENSSL_NO_NEXTPROTONEG |
|
/* This the context that we pass to next_proto_cb */ |
|
typedef struct tlsextnextprotoctx_st { |
|
unsigned char *data; |
|
unsigned short len; |
|
int status; |
|
} tlsextnextprotoctx; |
|
|
|
static tlsextnextprotoctx next_proto; |
|
|
|
static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, |
|
const unsigned char *in, unsigned int inlen, |
|
void *arg) |
|
{ |
|
tlsextnextprotoctx *ctx = arg; |
|
|
|
if (!c_quiet) { |
|
/* We can assume that |in| is syntactically valid. */ |
|
unsigned i; |
|
BIO_printf(bio_c_out, "Protocols advertised by server: "); |
|
for (i = 0; i < inlen;) { |
|
if (i) |
|
BIO_write(bio_c_out, ", ", 2); |
|
BIO_write(bio_c_out, &in[i + 1], in[i]); |
|
i += in[i] + 1; |
|
} |
|
BIO_write(bio_c_out, "\n", 1); |
|
} |
|
|
|
ctx->status = |
|
SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len); |
|
return SSL_TLSEXT_ERR_OK; |
|
} |
|
# endif /* ndef OPENSSL_NO_NEXTPROTONEG */ |
|
#endif |
|
|
|
enum { |
|
PROTO_OFF = 0, |
|
PROTO_SMTP, |
|
PROTO_POP3, |
|
PROTO_IMAP, |
|
PROTO_FTP, |
|
PROTO_XMPP |
|
}; |
|
|
|
int MAIN(int, char **); |
|
|
|
int MAIN(int argc, char **argv) |
|
{ |
|
unsigned int off = 0, clr = 0; |
|
SSL *con = NULL; |
|
#ifndef OPENSSL_NO_KRB5 |
|
KSSL_CTX *kctx; |
|
#endif |
|
int s, k, width, state = 0; |
|
char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL; |
|
int cbuf_len, cbuf_off; |
|
int sbuf_len, sbuf_off; |
|
fd_set readfds, writefds; |
|
short port = PORT; |
|
int full_log = 1; |
|
char *host = SSL_HOST_NAME; |
|
char *cert_file = NULL, *key_file = NULL; |
|
int cert_format = FORMAT_PEM, key_format = FORMAT_PEM; |
|
char *passarg = NULL, *pass = NULL; |
|
X509 *cert = NULL; |
|
EVP_PKEY *key = NULL; |
|
char *CApath = NULL, *CAfile = NULL, *cipher = NULL; |
|
int reconnect = 0, badop = 0, verify = SSL_VERIFY_NONE, bugs = 0; |
|
int crlf = 0; |
|
int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending; |
|
SSL_CTX *ctx = NULL; |
|
int ret = 1, in_init = 1, i, nbio_test = 0; |
|
int starttls_proto = PROTO_OFF; |
|
int prexit = 0; |
|
X509_VERIFY_PARAM *vpm = NULL; |
|
int badarg = 0; |
|
const SSL_METHOD *meth = NULL; |
|
int socket_type = SOCK_STREAM; |
|
BIO *sbio; |
|
char *inrand = NULL; |
|
int mbuf_len = 0; |
|
struct timeval timeout, *timeoutp; |
|
#ifndef OPENSSL_NO_ENGINE |
|
char *engine_id = NULL; |
|
char *ssl_client_engine_id = NULL; |
|
ENGINE *ssl_client_engine = NULL; |
|
#endif |
|
ENGINE *e = NULL; |
|
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) |
|
struct timeval tv; |
|
# if defined(OPENSSL_SYS_BEOS_R5) |
|
int stdin_set = 0; |
|
# endif |
|
#endif |
|
#ifndef OPENSSL_NO_TLSEXT |
|
char *servername = NULL; |
|
tlsextctx tlsextcbp = { NULL, 0 }; |
|
# ifndef OPENSSL_NO_NEXTPROTONEG |
|
const char *next_proto_neg_in = NULL; |
|
# endif |
|
#endif |
|
char *sess_in = NULL; |
|
char *sess_out = NULL; |
|
struct sockaddr peer; |
|
int peerlen = sizeof(peer); |
|
int fallback_scsv = 0; |
|
int enable_timeouts = 0; |
|
long socket_mtu = 0; |
|
#ifndef OPENSSL_NO_JPAKE |
|
char *jpake_secret = NULL; |
|
#endif |
|
#ifndef OPENSSL_NO_SRP |
|
char *srppass = NULL; |
|
int srp_lateuser = 0; |
|
SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 }; |
|
#endif |
|
|
|
meth = SSLv23_client_method(); |
|
|
|
apps_startup(); |
|
c_Pause = 0; |
|
c_quiet = 0; |
|
c_ign_eof = 0; |
|
c_debug = 0; |
|
c_msg = 0; |
|
c_showcerts = 0; |
|
|
|
if (bio_err == NULL) |
|
bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); |
|
|
|
if (!load_config(bio_err, NULL)) |
|
goto end; |
|
|
|
if (((cbuf = OPENSSL_malloc(BUFSIZZ)) == NULL) || |
|
((sbuf = OPENSSL_malloc(BUFSIZZ)) == NULL) || |
|
((mbuf = OPENSSL_malloc(BUFSIZZ)) == NULL)) { |
|
BIO_printf(bio_err, "out of memory\n"); |
|
goto end; |
|
} |
|
|
|
verify_depth = 0; |
|
verify_error = X509_V_OK; |
|
#ifdef FIONBIO |
|
c_nbio = 0; |
|
#endif |
|
|
|
argc--; |
|
argv++; |
|
while (argc >= 1) { |
|
if (strcmp(*argv, "-host") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
host = *(++argv); |
|
} else if (strcmp(*argv, "-port") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
port = atoi(*(++argv)); |
|
if (port == 0) |
|
goto bad; |
|
} else if (strcmp(*argv, "-connect") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
if (!extract_host_port(*(++argv), &host, NULL, &port)) |
|
goto bad; |
|
} else if (strcmp(*argv, "-verify") == 0) { |
|
verify = SSL_VERIFY_PEER; |
|
if (--argc < 1) |
|
goto bad; |
|
verify_depth = atoi(*(++argv)); |
|
BIO_printf(bio_err, "verify depth is %d\n", verify_depth); |
|
} else if (strcmp(*argv, "-cert") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
cert_file = *(++argv); |
|
} else if (strcmp(*argv, "-sess_out") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
sess_out = *(++argv); |
|
} else if (strcmp(*argv, "-sess_in") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
sess_in = *(++argv); |
|
} else if (strcmp(*argv, "-certform") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
cert_format = str2fmt(*(++argv)); |
|
} else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) { |
|
if (badarg) |
|
goto bad; |
|
continue; |
|
} else if (strcmp(*argv, "-verify_return_error") == 0) |
|
verify_return_error = 1; |
|
else if (strcmp(*argv, "-prexit") == 0) |
|
prexit = 1; |
|
else if (strcmp(*argv, "-crlf") == 0) |
|
crlf = 1; |
|
else if (strcmp(*argv, "-quiet") == 0) { |
|
c_quiet = 1; |
|
c_ign_eof = 1; |
|
} else if (strcmp(*argv, "-ign_eof") == 0) |
|
c_ign_eof = 1; |
|
else if (strcmp(*argv, "-no_ign_eof") == 0) |
|
c_ign_eof = 0; |
|
else if (strcmp(*argv, "-pause") == 0) |
|
c_Pause = 1; |
|
else if (strcmp(*argv, "-debug") == 0) |
|
c_debug = 1; |
|
#ifndef OPENSSL_NO_TLSEXT |
|
else if (strcmp(*argv, "-tlsextdebug") == 0) |
|
c_tlsextdebug = 1; |
|
else if (strcmp(*argv, "-status") == 0) |
|
c_status_req = 1; |
|
#endif |
|
#ifdef WATT32 |
|
else if (strcmp(*argv, "-wdebug") == 0) |
|
dbug_init(); |
|
#endif |
|
else if (strcmp(*argv, "-msg") == 0) |
|
c_msg = 1; |
|
else if (strcmp(*argv, "-showcerts") == 0) |
|
c_showcerts = 1; |
|
else if (strcmp(*argv, "-nbio_test") == 0) |
|
nbio_test = 1; |
|
else if (strcmp(*argv, "-state") == 0) |
|
state = 1; |
|
#ifndef OPENSSL_NO_PSK |
|
else if (strcmp(*argv, "-psk_identity") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
psk_identity = *(++argv); |
|
} else if (strcmp(*argv, "-psk") == 0) { |
|
size_t j; |
|
|
|
if (--argc < 1) |
|
goto bad; |
|
psk_key = *(++argv); |
|
for (j = 0; j < strlen(psk_key); j++) { |
|
if (isxdigit((unsigned char)psk_key[j])) |
|
continue; |
|
BIO_printf(bio_err, "Not a hex number '%s'\n", *argv); |
|
goto bad; |
|
} |
|
} |
|
#endif |
|
#ifndef OPENSSL_NO_SRP |
|
else if (strcmp(*argv, "-srpuser") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
srp_arg.srplogin = *(++argv); |
|
meth = TLSv1_client_method(); |
|
} else if (strcmp(*argv, "-srppass") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
srppass = *(++argv); |
|
meth = TLSv1_client_method(); |
|
} else if (strcmp(*argv, "-srp_strength") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
srp_arg.strength = atoi(*(++argv)); |
|
BIO_printf(bio_err, "SRP minimal length for N is %d\n", |
|
srp_arg.strength); |
|
meth = TLSv1_client_method(); |
|
} else if (strcmp(*argv, "-srp_lateuser") == 0) { |
|
srp_lateuser = 1; |
|
meth = TLSv1_client_method(); |
|
} else if (strcmp(*argv, "-srp_moregroups") == 0) { |
|
srp_arg.amp = 1; |
|
meth = TLSv1_client_method(); |
|
} |
|
#endif |
|
#ifndef OPENSSL_NO_SSL2 |
|
else if (strcmp(*argv, "-ssl2") == 0) |
|
meth = SSLv2_client_method(); |
|
#endif |
|
#ifndef OPENSSL_NO_SSL3_METHOD |
|
else if (strcmp(*argv, "-ssl3") == 0) |
|
meth = SSLv3_client_method(); |
|
#endif |
|
#ifndef OPENSSL_NO_TLS1 |
|
else if (strcmp(*argv, "-tls1_2") == 0) |
|
meth = TLSv1_2_client_method(); |
|
else if (strcmp(*argv, "-tls1_1") == 0) |
|
meth = TLSv1_1_client_method(); |
|
else if (strcmp(*argv, "-tls1") == 0) |
|
meth = TLSv1_client_method(); |
|
#endif |
|
#ifndef OPENSSL_NO_DTLS1 |
|
else if (strcmp(*argv, "-dtls1") == 0) { |
|
meth = DTLSv1_client_method(); |
|
socket_type = SOCK_DGRAM; |
|
} else if (strcmp(*argv, "-fallback_scsv") == 0) { |
|
fallback_scsv = 1; |
|
} else if (strcmp(*argv, "-timeout") == 0) |
|
enable_timeouts = 1; |
|
else if (strcmp(*argv, "-mtu") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
socket_mtu = atol(*(++argv)); |
|
} |
|
#endif |
|
else if (strcmp(*argv, "-bugs") == 0) |
|
bugs = 1; |
|
else if (strcmp(*argv, "-keyform") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
key_format = str2fmt(*(++argv)); |
|
} else if (strcmp(*argv, "-pass") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
passarg = *(++argv); |
|
} else if (strcmp(*argv, "-key") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
key_file = *(++argv); |
|
} else if (strcmp(*argv, "-reconnect") == 0) { |
|
reconnect = 5; |
|
} else if (strcmp(*argv, "-CApath") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
CApath = *(++argv); |
|
} else if (strcmp(*argv, "-CAfile") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
CAfile = *(++argv); |
|
} else if (strcmp(*argv, "-no_tls1_2") == 0) |
|
off |= SSL_OP_NO_TLSv1_2; |
|
else if (strcmp(*argv, "-no_tls1_1") == 0) |
|
off |= SSL_OP_NO_TLSv1_1; |
|
else if (strcmp(*argv, "-no_tls1") == 0) |
|
off |= SSL_OP_NO_TLSv1; |
|
else if (strcmp(*argv, "-no_ssl3") == 0) |
|
off |= SSL_OP_NO_SSLv3; |
|
else if (strcmp(*argv, "-no_ssl2") == 0) |
|
off |= SSL_OP_NO_SSLv2; |
|
else if (strcmp(*argv, "-no_comp") == 0) { |
|
off |= SSL_OP_NO_COMPRESSION; |
|
} |
|
#ifndef OPENSSL_NO_TLSEXT |
|
else if (strcmp(*argv, "-no_ticket") == 0) { |
|
off |= SSL_OP_NO_TICKET; |
|
} |
|
# ifndef OPENSSL_NO_NEXTPROTONEG |
|
else if (strcmp(*argv, "-nextprotoneg") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
next_proto_neg_in = *(++argv); |
|
} |
|
# endif |
|
#endif |
|
else if (strcmp(*argv, "-serverpref") == 0) |
|
off |= SSL_OP_CIPHER_SERVER_PREFERENCE; |
|
else if (strcmp(*argv, "-legacy_renegotiation") == 0) |
|
off |= SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; |
|
else if (strcmp(*argv, "-legacy_server_connect") == 0) { |
|
off |= SSL_OP_LEGACY_SERVER_CONNECT; |
|
} else if (strcmp(*argv, "-no_legacy_server_connect") == 0) { |
|
clr |= SSL_OP_LEGACY_SERVER_CONNECT; |
|
} else if (strcmp(*argv, "-cipher") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
cipher = *(++argv); |
|
} |
|
#ifdef FIONBIO |
|
else if (strcmp(*argv, "-nbio") == 0) { |
|
c_nbio = 1; |
|
} |
|
#endif |
|
else if (strcmp(*argv, "-starttls") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
++argv; |
|
if (strcmp(*argv, "smtp") == 0) |
|
starttls_proto = PROTO_SMTP; |
|
else if (strcmp(*argv, "pop3") == 0) |
|
starttls_proto = PROTO_POP3; |
|
else if (strcmp(*argv, "imap") == 0) |
|
starttls_proto = PROTO_IMAP; |
|
else if (strcmp(*argv, "ftp") == 0) |
|
starttls_proto = PROTO_FTP; |
|
else if (strcmp(*argv, "xmpp") == 0) |
|
starttls_proto = PROTO_XMPP; |
|
else |
|
goto bad; |
|
} |
|
#ifndef OPENSSL_NO_ENGINE |
|
else if (strcmp(*argv, "-engine") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
engine_id = *(++argv); |
|
} else if (strcmp(*argv, "-ssl_client_engine") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
ssl_client_engine_id = *(++argv); |
|
} |
|
#endif |
|
else if (strcmp(*argv, "-rand") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
inrand = *(++argv); |
|
} |
|
#ifndef OPENSSL_NO_TLSEXT |
|
else if (strcmp(*argv, "-servername") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
servername = *(++argv); |
|
/* meth=TLSv1_client_method(); */ |
|
} |
|
#endif |
|
#ifndef OPENSSL_NO_JPAKE |
|
else if (strcmp(*argv, "-jpake") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
jpake_secret = *++argv; |
|
} |
|
#endif |
|
#ifndef OPENSSL_NO_SRTP |
|
else if (strcmp(*argv, "-use_srtp") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
srtp_profiles = *(++argv); |
|
} |
|
#endif |
|
else if (strcmp(*argv, "-keymatexport") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
keymatexportlabel = *(++argv); |
|
} else if (strcmp(*argv, "-keymatexportlen") == 0) { |
|
if (--argc < 1) |
|
goto bad; |
|
keymatexportlen = atoi(*(++argv)); |
|
if (keymatexportlen == 0) |
|
goto bad; |
|
} else { |
|
BIO_printf(bio_err, "unknown option %s\n", *argv); |
|
badop = 1; |
|
break; |
|
} |
|
argc--; |
|
argv++; |
|
} |
|
if (badop) { |
|
bad: |
|
sc_usage(); |
|
goto end; |
|
} |
|
#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) |
|
if (jpake_secret) { |
|
if (psk_key) { |
|
BIO_printf(bio_err, "Can't use JPAKE and PSK together\n"); |
|
goto end; |
|
} |
|
psk_identity = "JPAKE"; |
|
if (cipher) { |
|
BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); |
|
goto end; |
|
} |
|
cipher = "PSK"; |
|
} |
|
#endif |
|
|
|
OpenSSL_add_ssl_algorithms(); |
|
SSL_load_error_strings(); |
|
|
|
#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) |
|
next_proto.status = -1; |
|
if (next_proto_neg_in) { |
|
next_proto.data = |
|
next_protos_parse(&next_proto.len, next_proto_neg_in); |
|
if (next_proto.data == NULL) { |
|
BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n"); |
|
goto end; |
|
} |
|
} else |
|
next_proto.data = NULL; |
|
#endif |
|
|
|
#ifndef OPENSSL_NO_ENGINE |
|
e = setup_engine(bio_err, engine_id, 1); |
|
if (ssl_client_engine_id) { |
|
ssl_client_engine = ENGINE_by_id(ssl_client_engine_id); |
|
if (!ssl_client_engine) { |
|
BIO_printf(bio_err, "Error getting client auth engine\n"); |
|
goto end; |
|
} |
|
} |
|
#endif |
|
if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) { |
|
BIO_printf(bio_err, "Error getting password\n"); |
|
goto end; |
|
} |
|
|
|
if (key_file == NULL) |
|
key_file = cert_file; |
|
|
|
if (key_file) { |
|
|
|
key = load_key(bio_err, key_file, key_format, 0, pass, e, |
|
"client certificate private key file"); |
|
if (!key) { |
|
ERR_print_errors(bio_err); |
|
goto end; |
|
} |
|
|
|
} |
|
|
|
if (cert_file) { |
|
cert = load_cert(bio_err, cert_file, cert_format, |
|
NULL, e, "client certificate file"); |
|
|
|
if (!cert) { |
|
ERR_print_errors(bio_err); |
|
goto end; |
|
} |
|
} |
|
|
|
if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL |
|
&& !RAND_status()) { |
|
BIO_printf(bio_err, |
|
"warning, not much extra random data, consider using the -rand option\n"); |
|
} |
|
if (inrand != NULL) |
|
BIO_printf(bio_err, "%ld semi-random bytes loaded\n", |
|
app_RAND_load_files(inrand)); |
|
|
|
if (bio_c_out == NULL) { |
|
if (c_quiet && !c_debug && !c_msg) { |
|
bio_c_out = BIO_new(BIO_s_null()); |
|
} else { |
|
if (bio_c_out == NULL) |
|
bio_c_out = BIO_new_fp(stdout, BIO_NOCLOSE); |
|
} |
|
} |
|
#ifndef OPENSSL_NO_SRP |
|
if (!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL)) { |
|
BIO_printf(bio_err, "Error getting password\n"); |
|
goto end; |
|
} |
|
#endif |
|
|
|
ctx = SSL_CTX_new(meth); |
|
if (ctx == NULL) { |
|
ERR_print_errors(bio_err); |
|
goto end; |
|
} |
|
|
|
if (vpm) |
|
SSL_CTX_set1_param(ctx, vpm); |
|
|
|
#ifndef OPENSSL_NO_ENGINE |
|
if (ssl_client_engine) { |
|
if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) { |
|
BIO_puts(bio_err, "Error setting client auth engine\n"); |
|
ERR_print_errors(bio_err); |
|
ENGINE_free(ssl_client_engine); |
|
goto end; |
|
} |
|
ENGINE_free(ssl_client_engine); |
|
} |
|
#endif |
|
|
|
#ifndef OPENSSL_NO_PSK |
|
# ifdef OPENSSL_NO_JPAKE |
|
if (psk_key != NULL) |
|
# else |
|
if (psk_key != NULL || jpake_secret) |
|
# endif |
|
{ |
|
if (c_debug) |
|
BIO_printf(bio_c_out, |
|
"PSK key given or JPAKE in use, setting client callback\n"); |
|
SSL_CTX_set_psk_client_callback(ctx, psk_client_cb); |
|
} |
|
#endif |
|
#ifndef OPENSSL_NO_SRTP |
|
if (srtp_profiles != NULL) |
|
SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); |
|
#endif |
|
if (bugs) |
|
SSL_CTX_set_options(ctx, SSL_OP_ALL | off); |
|
else |
|
SSL_CTX_set_options(ctx, off); |
|
|
|
if (clr) |
|
SSL_CTX_clear_options(ctx, clr); |
|
|
|
#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) |
|
if (next_proto.data) |
|
SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto); |
|
#endif |
|
|
|
if (state) |
|
SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback); |
|
if (cipher != NULL) |
|
if (!SSL_CTX_set_cipher_list(ctx, cipher)) { |
|
BIO_printf(bio_err, "error setting cipher list\n"); |
|
ERR_print_errors(bio_err); |
|
goto end; |
|
} |
|
#if 0 |
|
else |
|
SSL_CTX_set_cipher_list(ctx, getenv("SSL_CIPHER")); |
|
#endif |
|
|
|
SSL_CTX_set_verify(ctx, verify, verify_callback); |
|
if (!set_cert_key_stuff(ctx, cert, key)) |
|
goto end; |
|
|
|
if ((CAfile || CApath) |
|
&& !SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) { |
|
ERR_print_errors(bio_err); |
|
} |
|
if (!SSL_CTX_set_default_verify_paths(ctx)) { |
|
ERR_print_errors(bio_err); |
|
} |
|
#ifndef OPENSSL_NO_TLSEXT |
|
if (servername != NULL) { |
|
tlsextcbp.biodebug = bio_err; |
|
SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); |
|
SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); |
|
} |
|
# ifndef OPENSSL_NO_SRP |
|
if (srp_arg.srplogin) { |
|
if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) { |
|
BIO_printf(bio_err, "Unable to set SRP username\n"); |
|
goto end; |
|
} |
|
srp_arg.msg = c_msg; |
|
srp_arg.debug = c_debug; |
|
SSL_CTX_set_srp_cb_arg(ctx, &srp_arg); |
|
SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb); |
|
SSL_CTX_set_srp_strength(ctx, srp_arg.strength); |
|
if (c_msg || c_debug || srp_arg.amp == 0) |
|
SSL_CTX_set_srp_verify_param_callback(ctx, |
|
ssl_srp_verify_param_cb); |
|
} |
|
# endif |
|
#endif |
|
|
|
con = SSL_new(ctx); |
|
if (sess_in) { |
|
SSL_SESSION *sess; |
|
BIO *stmp = BIO_new_file(sess_in, "r"); |
|
if (!stmp) { |
|
BIO_printf(bio_err, "Can't open session file %s\n", sess_in); |
|
ERR_print_errors(bio_err); |
|
goto end; |
|
} |
|
sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); |
|
BIO_free(stmp); |
|
if (!sess) { |
|
BIO_printf(bio_err, "Can't open session file %s\n", sess_in); |
|
ERR_print_errors(bio_err); |
|
goto end; |
|
} |
|
SSL_set_session(con, sess); |
|
SSL_SESSION_free(sess); |
|
} |
|
|
|
if (fallback_scsv) |
|
SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV); |
|
|
|
#ifndef OPENSSL_NO_TLSEXT |
|
if (servername != NULL) { |
|
if (!SSL_set_tlsext_host_name(con, servername)) { |
|
BIO_printf(bio_err, "Unable to set TLS servername extension.\n"); |
|
ERR_print_errors(bio_err); |
|
goto end; |
|
} |
|
} |
|
#endif |
|
#ifndef OPENSSL_NO_KRB5 |
|
if (con && (kctx = kssl_ctx_new()) != NULL) { |
|
SSL_set0_kssl_ctx(con, kctx); |
|
kssl_ctx_setstring(kctx, KSSL_SERVER, host); |
|
} |
|
#endif /* OPENSSL_NO_KRB5 */ |
|
/* SSL_set_cipher_list(con,"RC4-MD5"); */ |
|
#if 0 |
|
# ifdef TLSEXT_TYPE_opaque_prf_input |
|
SSL_set_tlsext_opaque_prf_input(con, "Test client", 11); |
|
# endif |
|
#endif |
|
|
|
re_start: |
|
|
|
if (init_client(&s, host, port, socket_type) == 0) { |
|
BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error()); |
|
SHUTDOWN(s); |
|
goto end; |
|
} |
|
BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s); |
|
|
|
#ifdef FIONBIO |
|
if (c_nbio) { |
|
unsigned long l = 1; |
|
BIO_printf(bio_c_out, "turning on non blocking io\n"); |
|
if (BIO_socket_ioctl(s, FIONBIO, &l) < 0) { |
|
ERR_print_errors(bio_err); |
|
goto end; |
|
} |
|
} |
|
#endif |
|
if (c_Pause & 0x01) |
|
SSL_set_debug(con, 1); |
|
|
|
if (SSL_version(con) == DTLS1_VERSION) { |
|
|
|
sbio = BIO_new_dgram(s, BIO_NOCLOSE); |
|
if (getsockname(s, &peer, (void *)&peerlen) < 0) { |
|
BIO_printf(bio_err, "getsockname:errno=%d\n", |
|
get_last_socket_error()); |
|
SHUTDOWN(s); |
|
goto end; |
|
} |
|
|
|
(void)BIO_ctrl_set_connected(sbio, 1, &peer); |
|
|
|
if (enable_timeouts) { |
|
timeout.tv_sec = 0; |
|
timeout.tv_usec = DGRAM_RCV_TIMEOUT; |
|
BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); |
|
|
|
timeout.tv_sec = 0; |
|
timeout.tv_usec = DGRAM_SND_TIMEOUT; |
|
BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); |
|
} |
|
|
|
if (socket_mtu) { |
|
if (socket_mtu < DTLS_get_link_min_mtu(con)) { |
|
BIO_printf(bio_err, "MTU too small. Must be at least %ld\n", |
|
DTLS_get_link_min_mtu(con)); |
|
BIO_free(sbio); |
|
goto shut; |
|
} |
|
SSL_set_options(con, SSL_OP_NO_QUERY_MTU); |
|
if (!DTLS_set_link_mtu(con, socket_mtu)) { |
|
BIO_printf(bio_err, "Failed to set MTU\n"); |
|
BIO_free(sbio); |
|
goto shut; |
|
} |
|
} else |
|
/* want to do MTU discovery */ |
|
BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); |
|
} else |
|
sbio = BIO_new_socket(s, BIO_NOCLOSE); |
|
|
|
if (nbio_test) { |
|
BIO *test; |
|
|
|
test = BIO_new(BIO_f_nbio_test()); |
|
sbio = BIO_push(test, sbio); |
|
} |
|
|
|
if (c_debug) { |
|
SSL_set_debug(con, 1); |
|
BIO_set_callback(sbio, bio_dump_callback); |
|
BIO_set_callback_arg(sbio, (char *)bio_c_out); |
|
} |
|
if (c_msg) { |
|
SSL_set_msg_callback(con, msg_cb); |
|
SSL_set_msg_callback_arg(con, bio_c_out); |
|
} |
|
#ifndef OPENSSL_NO_TLSEXT |
|
if (c_tlsextdebug) { |
|
SSL_set_tlsext_debug_callback(con, tlsext_cb); |
|
SSL_set_tlsext_debug_arg(con, bio_c_out); |
|
} |
|
if (c_status_req) { |
|
SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp); |
|
SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb); |
|
SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out); |
|
# if 0 |
|
{ |
|
STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null(); |
|
OCSP_RESPID *id = OCSP_RESPID_new(); |
|
id->value.byKey = ASN1_OCTET_STRING_new(); |
|
id->type = V_OCSP_RESPID_KEY; |
|
ASN1_STRING_set(id->value.byKey, "Hello World", -1); |
|
sk_OCSP_RESPID_push(ids, id); |
|
SSL_set_tlsext_status_ids(con, ids); |
|
} |
|
# endif |
|
} |
|
#endif |
|
#ifndef OPENSSL_NO_JPAKE |
|
if (jpake_secret) |
|
jpake_client_auth(bio_c_out, sbio, jpake_secret); |
|
#endif |
|
|
|
SSL_set_bio(con, sbio, sbio); |
|
SSL_set_connect_state(con); |
|
|
|
/* ok, lets connect */ |
|
width = SSL_get_fd(con) + 1; |
|
|
|
read_tty = 1; |
|
write_tty = 0; |
|
tty_on = 0; |
|
read_ssl = 1; |
|
write_ssl = 1; |
|
|
|
cbuf_len = 0; |
|
cbuf_off = 0; |
|
sbuf_len = 0; |
|
sbuf_off = 0; |
|
|
|
/* This is an ugly hack that does a lot of assumptions */ |
|
/* |
|
* We do have to handle multi-line responses which may come in a single |
|
* packet or not. We therefore have to use BIO_gets() which does need a |
|
* buffering BIO. So during the initial chitchat we do push a buffering |
|
* BIO into the chain that is removed again later on to not disturb the |
|
* rest of the s_client operation. |
|
*/ |
|
if (starttls_proto == PROTO_SMTP) { |
|
int foundit = 0; |
|
BIO *fbio = BIO_new(BIO_f_buffer()); |
|
BIO_push(fbio, sbio); |
|
/* wait for multi-line response to end from SMTP */ |
|
do { |
|
mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); |
|
} |
|
while (mbuf_len > 3 && mbuf[3] == '-'); |
|
/* STARTTLS command requires EHLO... */ |
|
BIO_printf(fbio, "EHLO openssl.client.net\r\n"); |
|
(void)BIO_flush(fbio); |
|
/* wait for multi-line response to end EHLO SMTP response */ |
|
do { |
|
mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); |
|
if (strstr(mbuf, "STARTTLS")) |
|
foundit = 1; |
|
} |
|
while (mbuf_len > 3 && mbuf[3] == '-'); |
|
(void)BIO_flush(fbio); |
|
BIO_pop(fbio); |
|
BIO_free(fbio); |
|
if (!foundit) |
|
BIO_printf(bio_err, |
|
"didn't found starttls in server response," |
|
" try anyway...\n"); |
|
BIO_printf(sbio, "STARTTLS\r\n"); |
|
BIO_read(sbio, sbuf, BUFSIZZ); |
|
} else if (starttls_proto == PROTO_POP3) { |
|
BIO_read(sbio, mbuf, BUFSIZZ); |
|
BIO_printf(sbio, "STLS\r\n"); |
|
BIO_read(sbio, sbuf, BUFSIZZ); |
|
} else if (starttls_proto == PROTO_IMAP) { |
|
int foundit = 0; |
|
BIO *fbio = BIO_new(BIO_f_buffer()); |
|
BIO_push(fbio, sbio); |
|
BIO_gets(fbio, mbuf, BUFSIZZ); |
|
/* STARTTLS command requires CAPABILITY... */ |
|
BIO_printf(fbio, ". CAPABILITY\r\n"); |
|
(void)BIO_flush(fbio); |
|
/* wait for multi-line CAPABILITY response */ |
|
do { |
|
mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); |
|
if (strstr(mbuf, "STARTTLS")) |
|
foundit = 1; |
|
} |
|
while (mbuf_len > 3 && mbuf[0] != '.'); |
|
(void)BIO_flush(fbio); |
|
BIO_pop(fbio); |
|
BIO_free(fbio); |
|
if (!foundit) |
|
BIO_printf(bio_err, |
|
"didn't found STARTTLS in server response," |
|
" try anyway...\n"); |
|
BIO_printf(sbio, ". STARTTLS\r\n"); |
|
BIO_read(sbio, sbuf, BUFSIZZ); |
|
} else if (starttls_proto == PROTO_FTP) { |
|
BIO *fbio = BIO_new(BIO_f_buffer()); |
|
BIO_push(fbio, sbio); |
|
/* wait for multi-line response to end from FTP */ |
|
do { |
|
mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); |
|
} |
|
while (mbuf_len > 3 && mbuf[3] == '-'); |
|
(void)BIO_flush(fbio); |
|
BIO_pop(fbio); |
|
BIO_free(fbio); |
|
BIO_printf(sbio, "AUTH TLS\r\n"); |
|
BIO_read(sbio, sbuf, BUFSIZZ); |
|
} |
|
if (starttls_proto == PROTO_XMPP) { |
|
int seen = 0; |
|
BIO_printf(sbio, "<stream:stream " |
|
"xmlns:stream='http://etherx.jabber.org/streams' " |
|
"xmlns='jabber:client' to='%s' version='1.0'>", host); |
|
seen = BIO_read(sbio, mbuf, BUFSIZZ); |
|
mbuf[seen] = 0; |
|
while (!strstr |
|
(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) { |
|
if (strstr(mbuf, "/stream:features>")) |
|
goto shut; |
|
seen = BIO_read(sbio, mbuf, BUFSIZZ); |
|
mbuf[seen] = 0; |
|
} |
|
BIO_printf(sbio, |
|
"<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"); |
|
seen = BIO_read(sbio, sbuf, BUFSIZZ); |
|
sbuf[seen] = 0; |
|
if (!strstr(sbuf, "<proceed")) |
|
goto shut; |
|
mbuf[0] = 0; |
|
} |
|
|
|
for (;;) { |
|
FD_ZERO(&readfds); |
|
FD_ZERO(&writefds); |
|
|
|
if ((SSL_version(con) == DTLS1_VERSION) && |
|
DTLSv1_get_timeout(con, &timeout)) |
|
timeoutp = &timeout; |
|
else |
|
timeoutp = NULL; |
|
|
|
if (SSL_in_init(con) && !SSL_total_renegotiations(con)) { |
|
in_init = 1; |
|
tty_on = 0; |
|
} else { |
|
tty_on = 1; |
|
if (in_init) { |
|
in_init = 0; |
|
#if 0 /* This test doesn't really work as intended |
|
* (needs to be fixed) */ |
|
# ifndef OPENSSL_NO_TLSEXT |
|
if (servername != NULL && !SSL_session_reused(con)) { |
|
BIO_printf(bio_c_out, |
|
"Server did %sacknowledge servername extension.\n", |
|
tlsextcbp.ack ? "" : "not "); |
|
} |
|
# endif |
|
#endif |
|
if (sess_out) { |
|
BIO *stmp = BIO_new_file(sess_out, "w"); |
|
if (stmp) { |
|
PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con)); |
|
BIO_free(stmp); |
|
} else |
|
BIO_printf(bio_err, "Error writing session file %s\n", |
|
sess_out); |
|
} |
|
print_stuff(bio_c_out, con, full_log); |
|
if (full_log > 0) |
|
full_log--; |
|
|
|
if (starttls_proto) { |
|
BIO_printf(bio_err, "%s", mbuf); |
|
/* We don't need to know any more */ |
|
starttls_proto = PROTO_OFF; |
|
} |
|
|
|
if (reconnect) { |
|
reconnect--; |
|
BIO_printf(bio_c_out, |
|
"drop connection and then reconnect\n"); |
|
SSL_shutdown(con); |
|
SSL_set_connect_state(con); |
|
SHUTDOWN(SSL_get_fd(con)); |
|
goto re_start; |
|
} |
|
} |
|
} |
|
|
|
ssl_pending = read_ssl && SSL_pending(con); |
|
|
|
if (!ssl_pending) { |
|
#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5) |
|
if (tty_on) { |
|
if (read_tty) |
|
openssl_fdset(fileno(stdin), &readfds); |
|
if (write_tty) |
|
openssl_fdset(fileno(stdout), &writefds); |
|
} |
|
if (read_ssl) |
|
openssl_fdset(SSL_get_fd(con), &readfds); |
|
if (write_ssl) |
|
openssl_fdset(SSL_get_fd(con), &writefds); |
|
#else |
|
if (!tty_on || !write_tty) { |
|
if (read_ssl) |
|
openssl_fdset(SSL_get_fd(con), &readfds); |
|
if (write_ssl) |
|
openssl_fdset(SSL_get_fd(con), &writefds); |
|
} |
|
#endif |
|
/*- printf("mode tty(%d %d%d) ssl(%d%d)\n", |
|
tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ |
|
|
|
/* |
|
* Note: under VMS with SOCKETSHR the second parameter is |
|
* currently of type (int *) whereas under other systems it is |
|
* (void *) if you don't have a cast it will choke the compiler: |
|
* if you do have a cast then you can either go for (int *) or |
|
* (void *). |
|
*/ |
|
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) |
|
/* |
|
* Under Windows/DOS we make the assumption that we can always |
|
* write to the tty: therefore if we need to write to the tty we |
|
* just fall through. Otherwise we timeout the select every |
|
* second and see if there are any keypresses. Note: this is a |
|
* hack, in a proper Windows application we wouldn't do this. |
|
*/ |
|
i = 0; |
|
if (!write_tty) { |
|
if (read_tty) { |
|
tv.tv_sec = 1; |
|
tv.tv_usec = 0; |
|
i = select(width, (void *)&readfds, (void *)&writefds, |
|
NULL, &tv); |
|
# if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) |
|
if (!i && (!_kbhit() || !read_tty)) |
|
continue; |
|
# else |
|
if (!i && (!((_kbhit()) |
|
|| (WAIT_OBJECT_0 == |
|
WaitForSingleObject(GetStdHandle |
|
(STD_INPUT_HANDLE), |
|
0))) |
|
|| !read_tty)) |
|
continue; |
|
# endif |
|
} else |
|
i = select(width, (void *)&readfds, (void *)&writefds, |
|
NULL, timeoutp); |
|
} |
|
#elif defined(OPENSSL_SYS_NETWARE) |
|
if (!write_tty) { |
|
if (read_tty) { |
|
tv.tv_sec = 1; |
|
tv.tv_usec = 0; |
|
i = select(width, (void *)&readfds, (void *)&writefds, |
|
NULL, &tv); |
|
} else |
|
i = select(width, (void *)&readfds, (void *)&writefds, |
|
NULL, timeoutp); |
|
} |
|
#elif defined(OPENSSL_SYS_BEOS_R5) |
|
/* Under BeOS-R5 the situation is similar to DOS */ |
|
i = 0; |
|
stdin_set = 0; |
|
(void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); |
|
if (!write_tty) { |
|
if (read_tty) { |
|
tv.tv_sec = 1; |
|
tv.tv_usec = 0; |
|
i = select(width, (void *)&readfds, (void *)&writefds, |
|
NULL, &tv); |
|
if (read(fileno(stdin), sbuf, 0) >= 0) |
|
stdin_set = 1; |
|
if (!i && (stdin_set != 1 || !read_tty)) |
|
continue; |
|
} else |
|
i = select(width, (void *)&readfds, (void *)&writefds, |
|
NULL, timeoutp); |
|
} |
|
(void)fcntl(fileno(stdin), F_SETFL, 0); |
|
#else |
|
i = select(width, (void *)&readfds, (void *)&writefds, |
|
NULL, timeoutp); |
|
#endif |
|
if (i < 0) { |
|
BIO_printf(bio_err, "bad select %d\n", |
|
get_last_socket_error()); |
|
goto shut; |
|
/* goto end; */ |
|
} |
|
} |
|
|
|
if ((SSL_version(con) == DTLS1_VERSION) |
|
&& DTLSv1_handle_timeout(con) > 0) { |
|
BIO_printf(bio_err, "TIMEOUT occured\n"); |
|
} |
|
|
|
if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) { |
|
k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len); |
|
switch (SSL_get_error(con, k)) { |
|
case SSL_ERROR_NONE: |
|
cbuf_off += k; |
|
cbuf_len -= k; |
|
if (k <= 0) |
|
goto end; |
|
/* we have done a write(con,NULL,0); */ |
|
if (cbuf_len <= 0) { |
|
read_tty = 1; |
|
write_ssl = 0; |
|
} else { /* if (cbuf_len > 0) */ |
|
|
|
read_tty = 0; |
|
write_ssl = 1; |
|
} |
|
break; |
|
case SSL_ERROR_WANT_WRITE: |
|
BIO_printf(bio_c_out, "write W BLOCK\n"); |
|
write_ssl = 1; |
|
read_tty = 0; |
|
break; |
|
case SSL_ERROR_WANT_READ: |
|
BIO_printf(bio_c_out, "write R BLOCK\n"); |
|
write_tty = 0; |
|
read_ssl = 1; |
|
write_ssl = 0; |
|
break; |
|
case SSL_ERROR_WANT_X509_LOOKUP: |
|
BIO_printf(bio_c_out, "write X BLOCK\n"); |
|
break; |
|
case SSL_ERROR_ZERO_RETURN: |
|
if (cbuf_len != 0) { |
|
BIO_printf(bio_c_out, "shutdown\n"); |
|
ret = 0; |
|
goto shut; |
|
} else { |
|
read_tty = 1; |
|
write_ssl = 0; |
|
break; |
|
} |
|
|
|
case SSL_ERROR_SYSCALL: |
|
if ((k != 0) || (cbuf_len != 0)) { |
|
BIO_printf(bio_err, "write:errno=%d\n", |
|
get_last_socket_error()); |
|
goto shut; |
|
} else { |
|
read_tty = 1; |
|
write_ssl = 0; |
|
} |
|
break; |
|
case SSL_ERROR_SSL: |
|
ERR_print_errors(bio_err); |
|
goto shut; |
|
} |
|
} |
|
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) |
|
/* Assume Windows/DOS/BeOS can always write */ |
|
else if (!ssl_pending && write_tty) |
|
#else |
|
else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds)) |
|
#endif |
|
{ |
|
#ifdef CHARSET_EBCDIC |
|
ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len); |
|
#endif |
|
i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len); |
|
|
|
if (i <= 0) { |
|
BIO_printf(bio_c_out, "DONE\n"); |
|
ret = 0; |
|
goto shut; |
|
/* goto end; */ |
|
} |
|
|
|
sbuf_len -= i;; |
|
sbuf_off += i; |
|
if (sbuf_len <= 0) { |
|
read_ssl = 1; |
|
write_tty = 0; |
|
} |
|
} else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) { |
|
#ifdef RENEG |
|
{ |
|
static int iiii; |
|
if (++iiii == 52) { |
|
SSL_renegotiate(con); |
|
iiii = 0; |
|
} |
|
} |
|
#endif |
|
#if 1 |
|
k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ ); |
|
#else |
|
/* Demo for pending and peek :-) */ |
|
k = SSL_read(con, sbuf, 16); |
|
{ |
|
char zbuf[10240]; |
|
printf("read=%d pending=%d peek=%d\n", k, SSL_pending(con), |
|
SSL_peek(con, zbuf, 10240)); |
|
} |
|
#endif |
|
|
|
switch (SSL_get_error(con, k)) { |
|
case SSL_ERROR_NONE: |
|
if (k <= 0) |
|
goto end; |
|
sbuf_off = 0; |
|
sbuf_len = k; |
|
|
|
read_ssl = 0; |
|
write_tty = 1; |
|
break; |
|
case SSL_ERROR_WANT_WRITE: |
|
BIO_printf(bio_c_out, "read W BLOCK\n"); |
|
write_ssl = 1; |
|
read_tty = 0; |
|
break; |
|
case SSL_ERROR_WANT_READ: |
|
BIO_printf(bio_c_out, "read R BLOCK\n"); |
|
write_tty = 0; |
|
read_ssl = 1; |
|
if ((read_tty == 0) && (write_ssl == 0)) |
|
write_ssl = 1; |
|
break; |
|
case SSL_ERROR_WANT_X509_LOOKUP: |
|
BIO_printf(bio_c_out, "read X BLOCK\n"); |
|
break; |
|
case SSL_ERROR_SYSCALL: |
|
ret = get_last_socket_error(); |
|
BIO_printf(bio_err, "read:errno=%d\n", ret); |
|
goto shut; |
|
case SSL_ERROR_ZERO_RETURN: |
|
BIO_printf(bio_c_out, "closed\n"); |
|
ret = 0; |
|
goto shut; |
|
case SSL_ERROR_SSL: |
|
ERR_print_errors(bio_err); |
|
goto shut; |
|
/* break; */ |
|
} |
|
} |
|
#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) |
|
# if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) |
|
else if (_kbhit()) |
|
# else |
|
else if ((_kbhit()) |
|
|| (WAIT_OBJECT_0 == |
|
WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) |
|
# endif |
|
#elif defined (OPENSSL_SYS_NETWARE) |
|
else if (_kbhit()) |
|
#elif defined(OPENSSL_SYS_BEOS_R5) |
|
else if (stdin_set) |
|
#else |
|
else if (FD_ISSET(fileno(stdin), &readfds)) |
|
#endif |
|
{ |
|
if (crlf) { |
|
int j, lf_num; |
|
|
|
i = raw_read_stdin(cbuf, BUFSIZZ / 2); |
|
lf_num = 0; |
|
/* both loops are skipped when i <= 0 */ |
|
for (j = 0; j < i; j++) |
|
if (cbuf[j] == '\n') |
|
lf_num++; |
|
for (j = i - 1; j >= 0; j--) { |
|
cbuf[j + lf_num] = cbuf[j]; |
|
if (cbuf[j] == '\n') { |
|
lf_num--; |
|
i++; |
|
cbuf[j + lf_num] = '\r'; |
|
} |
|
} |
|
assert(lf_num == 0); |
|
} else |
|
i = raw_read_stdin(cbuf, BUFSIZZ); |
|
|
|
if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) { |
|
BIO_printf(bio_err, "DONE\n"); |
|
ret = 0; |
|
goto shut; |
|
} |
|
|
|
if ((!c_ign_eof) && (cbuf[0] == 'R')) { |
|
BIO_printf(bio_err, "RENEGOTIATING\n"); |
|
SSL_renegotiate(con); |
|
cbuf_len = 0; |
|
} |
|
#ifndef OPENSSL_NO_HEARTBEATS |
|
else if ((!c_ign_eof) && (cbuf[0] == 'B')) { |
|
BIO_printf(bio_err, "HEARTBEATING\n"); |
|
SSL_heartbeat(con); |
|
cbuf_len = 0; |
|
} |
|
#endif |
|
else { |
|
cbuf_len = i; |
|
cbuf_off = 0; |
|
#ifdef CHARSET_EBCDIC |
|
ebcdic2ascii(cbuf, cbuf, i); |
|
#endif |
|
} |
|
|
|
write_ssl = 1; |
|
read_tty = 0; |
|
} |
|
} |
|
|
|
ret = 0; |
|
shut: |
|
if (in_init) |
|
print_stuff(bio_c_out, con, full_log); |
|
SSL_shutdown(con); |
|
SHUTDOWN(SSL_get_fd(con)); |
|
end: |
|
if (con != NULL) { |
|
if (prexit != 0) |
|
print_stuff(bio_c_out, con, 1); |
|
SSL_free(con); |
|
} |
|
#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) |
|
if (next_proto.data) |
|
OPENSSL_free(next_proto.data); |
|
#endif |
|
if (ctx != NULL) |
|
SSL_CTX_free(ctx); |
|
if (cert) |
|
X509_free(cert); |
|
if (key) |
|
EVP_PKEY_free(key); |
|
if (pass) |
|
OPENSSL_free(pass); |
|
#ifndef OPENSSL_NO_SRP |
|
OPENSSL_free(srp_arg.srppassin); |
|
#endif |
|
if (vpm) |
|
X509_VERIFY_PARAM_free(vpm); |
|
if (cbuf != NULL) { |
|
OPENSSL_cleanse(cbuf, BUFSIZZ); |
|
OPENSSL_free(cbuf); |
|
} |
|
if (sbuf != NULL) { |
|
OPENSSL_cleanse(sbuf, BUFSIZZ); |
|
OPENSSL_free(sbuf); |
|
} |
|
if (mbuf != NULL) { |
|
OPENSSL_cleanse(mbuf, BUFSIZZ); |
|
OPENSSL_free(mbuf); |
|
} |
|
if (bio_c_out != NULL) { |
|
BIO_free(bio_c_out); |
|
bio_c_out = NULL; |
|
} |
|
apps_shutdown(); |
|
OPENSSL_EXIT(ret); |
|
} |
|
|
|
static void print_stuff(BIO *bio, SSL *s, int full) |
|
{ |
|
X509 *peer = NULL; |
|
char *p; |
|
static const char *space = " "; |
|
char buf[BUFSIZ]; |
|
STACK_OF(X509) *sk; |
|
STACK_OF(X509_NAME) *sk2; |
|
const SSL_CIPHER *c; |
|
X509_NAME *xn; |
|
int j, i; |
|
#ifndef OPENSSL_NO_COMP |
|
const COMP_METHOD *comp, *expansion; |
|
#endif |
|
unsigned char *exportedkeymat; |
|
|
|
if (full) { |
|
int got_a_chain = 0; |
|
|
|
sk = SSL_get_peer_cert_chain(s); |
|
if (sk != NULL) { |
|
got_a_chain = 1; /* we don't have it for SSL2 (yet) */ |
|
|
|
BIO_printf(bio, "---\nCertificate chain\n"); |
|
for (i = 0; i < sk_X509_num(sk); i++) { |
|
X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)), |
|
buf, sizeof buf); |
|
BIO_printf(bio, "%2d s:%s\n", i, buf); |
|
X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)), |
|
buf, sizeof buf); |
|
BIO_printf(bio, " i:%s\n", buf); |
|
if (c_showcerts) |
|
PEM_write_bio_X509(bio, sk_X509_value(sk, i)); |
|
} |
|
} |
|
|
|
BIO_printf(bio, "---\n"); |
|
peer = SSL_get_peer_certificate(s); |
|
if (peer != NULL) { |
|
BIO_printf(bio, "Server certificate\n"); |
|
|
|
/* Redundant if we showed the whole chain */ |
|
if (!(c_showcerts && got_a_chain)) |
|
PEM_write_bio_X509(bio, peer); |
|
X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf); |
|
BIO_printf(bio, "subject=%s\n", buf); |
|
X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf); |
|
BIO_printf(bio, "issuer=%s\n", buf); |
|
} else |
|
BIO_printf(bio, "no peer certificate available\n"); |
|
|
|
sk2 = SSL_get_client_CA_list(s); |
|
if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) { |
|
BIO_printf(bio, "---\nAcceptable client certificate CA names\n"); |
|
for (i = 0; i < sk_X509_NAME_num(sk2); i++) { |
|
xn = sk_X509_NAME_value(sk2, i); |
|
X509_NAME_oneline(xn, buf, sizeof(buf)); |
|
BIO_write(bio, buf, strlen(buf)); |
|
BIO_write(bio, "\n", 1); |
|
} |
|
} else { |
|
BIO_printf(bio, "---\nNo client certificate CA names sent\n"); |
|
} |
|
p = SSL_get_shared_ciphers(s, buf, sizeof buf); |
|
if (p != NULL) { |
|
/* |
|
* This works only for SSL 2. In later protocol versions, the |
|
* client does not know what other ciphers (in addition to the |
|
* one to be used in the current connection) the server supports. |
|
*/ |
|
|
|
BIO_printf(bio, |
|
"---\nCiphers common between both SSL endpoints:\n"); |
|
j = i = 0; |
|
while (*p) { |
|
if (*p == ':') { |
|
BIO_write(bio, space, 15 - j % 25); |
|
i++; |
|
j = 0; |
|
BIO_write(bio, ((i % 3) ? " " : "\n"), 1); |
|
} else { |
|
BIO_write(bio, p, 1); |
|
j++; |
|
} |
|
p++; |
|
} |
|
BIO_write(bio, "\n", 1); |
|
} |
|
|
|
BIO_printf(bio, |
|
"---\nSSL handshake has read %ld bytes and written %ld bytes\n", |
|
BIO_number_read(SSL_get_rbio(s)), |
|
BIO_number_written(SSL_get_wbio(s))); |
|
} |
|
BIO_printf(bio, (SSL_cache_hit(s) ? "---\nReused, " : "---\nNew, ")); |
|
c = SSL_get_current_cipher(s); |
|
BIO_printf(bio, "%s, Cipher is %s\n", |
|
SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); |
|
if (peer != NULL) { |
|
EVP_PKEY *pktmp; |
|
pktmp = X509_get_pubkey(peer); |
|
BIO_printf(bio, "Server public key is %d bit\n", |
|
EVP_PKEY_bits(pktmp)); |
|
EVP_PKEY_free(pktmp); |
|
} |
|
BIO_printf(bio, "Secure Renegotiation IS%s supported\n", |
|
SSL_get_secure_renegotiation_support(s) ? "" : " NOT"); |
|
#ifndef OPENSSL_NO_COMP |
|
comp = SSL_get_current_compression(s); |
|
expansion = SSL_get_current_expansion(s); |
|
BIO_printf(bio, "Compression: %s\n", |
|
comp ? SSL_COMP_get_name(comp) : "NONE"); |
|
BIO_printf(bio, "Expansion: %s\n", |
|
expansion ? SSL_COMP_get_name(expansion) : "NONE"); |
|
#endif |
|
|
|
#ifdef SSL_DEBUG |
|
{ |
|
/* Print out local port of connection: useful for debugging */ |
|
int sock; |
|
struct sockaddr_in ladd; |
|
socklen_t ladd_size = sizeof(ladd); |
|
sock = SSL_get_fd(s); |
|
getsockname(sock, (struct sockaddr *)&ladd, &ladd_size); |
|
BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port)); |
|
} |
|
#endif |
|
|
|
#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) |
|
if (next_proto.status != -1) { |
|
const unsigned char *proto; |
|
unsigned int proto_len; |
|
SSL_get0_next_proto_negotiated(s, &proto, &proto_len); |
|
BIO_printf(bio, "Next protocol: (%d) ", next_proto.status); |
|
BIO_write(bio, proto, proto_len); |
|
BIO_write(bio, "\n", 1); |
|
} |
|
#endif |
|
|
|
#ifndef OPENSSL_NO_SRTP |
|
{ |
|
SRTP_PROTECTION_PROFILE *srtp_profile = |
|
SSL_get_selected_srtp_profile(s); |
|
|
|
if (srtp_profile) |
|
BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n", |
|
srtp_profile->name); |
|
} |
|
#endif |
|
|
|
SSL_SESSION_print(bio, SSL_get_session(s)); |
|
if (keymatexportlabel != NULL) { |
|
BIO_printf(bio, "Keying material exporter:\n"); |
|
BIO_printf(bio, " Label: '%s'\n", keymatexportlabel); |
|
BIO_printf(bio, " Length: %i bytes\n", keymatexportlen); |
|
exportedkeymat = OPENSSL_malloc(keymatexportlen); |
|
if (exportedkeymat != NULL) { |
|
if (!SSL_export_keying_material(s, exportedkeymat, |
|
keymatexportlen, |
|
keymatexportlabel, |
|
strlen(keymatexportlabel), |
|
NULL, 0, 0)) { |
|
BIO_printf(bio, " Error\n"); |
|
} else { |
|
BIO_printf(bio, " Keying material: "); |
|
for (i = 0; i < keymatexportlen; i++) |
|
BIO_printf(bio, "%02X", exportedkeymat[i]); |
|
BIO_printf(bio, "\n"); |
|
} |
|
OPENSSL_free(exportedkeymat); |
|
} |
|
} |
|
BIO_printf(bio, "---\n"); |
|
if (peer != NULL) |
|
X509_free(peer); |
|
/* flush, or debugging output gets mixed with http response */ |
|
(void)BIO_flush(bio); |
|
} |
|
|
|
#ifndef OPENSSL_NO_TLSEXT |
|
|
|
static int ocsp_resp_cb(SSL *s, void *arg) |
|
{ |
|
const unsigned char *p; |
|
int len; |
|
OCSP_RESPONSE *rsp; |
|
len = SSL_get_tlsext_status_ocsp_resp(s, &p); |
|
BIO_puts(arg, "OCSP response: "); |
|
if (!p) { |
|
BIO_puts(arg, "no response sent\n"); |
|
return 1; |
|
} |
|
rsp = d2i_OCSP_RESPONSE(NULL, &p, len); |
|
if (!rsp) { |
|
BIO_puts(arg, "response parse error\n"); |
|
BIO_dump_indent(arg, (char *)p, len, 4); |
|
return 0; |
|
} |
|
BIO_puts(arg, "\n======================================\n"); |
|
OCSP_RESPONSE_print(arg, rsp, 0); |
|
BIO_puts(arg, "======================================\n"); |
|
OCSP_RESPONSE_free(rsp); |
|
return 1; |
|
} |
|
|
|
#endif
|
|
|