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/* $OpenBSD: s_cb.c,v 1.8 2017/08/12 21:04:33 jsing Exp $ */ |
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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 |
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* 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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#include <sys/socket.h> |
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#include <netinet/in.h> |
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#include <netdb.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 "apps.h" |
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#include <openssl/err.h> |
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#include <openssl/ssl.h> |
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#include <openssl/x509.h> |
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#include "s_apps.h" |
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#define COOKIE_SECRET_LENGTH 16 |
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int verify_depth = 0; |
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int verify_return_error = 0; |
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unsigned char cookie_secret[COOKIE_SECRET_LENGTH]; |
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int cookie_initialized = 0; |
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int |
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verify_callback(int ok, X509_STORE_CTX * ctx) |
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{ |
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X509 *err_cert; |
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int err, depth; |
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err_cert = X509_STORE_CTX_get_current_cert(ctx); |
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err = X509_STORE_CTX_get_error(ctx); |
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depth = X509_STORE_CTX_get_error_depth(ctx); |
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BIO_printf(bio_err, "depth=%d ", depth); |
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✓✗ |
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if (err_cert) { |
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X509_NAME_print_ex(bio_err, X509_get_subject_name(err_cert), |
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0, XN_FLAG_ONELINE); |
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BIO_puts(bio_err, "\n"); |
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} else |
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BIO_puts(bio_err, "<no cert>\n"); |
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✓✗ |
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if (!ok) { |
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BIO_printf(bio_err, "verify error:num=%d:%s\n", err, |
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X509_verify_cert_error_string(err)); |
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✓✓ |
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if (verify_depth >= depth) { |
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✓✗ |
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if (!verify_return_error) |
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ok = 1; |
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} else { |
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ok = 0; |
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} |
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} |
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✗✗✗✗ ✗✗✓ |
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switch (err) { |
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case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT: |
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BIO_puts(bio_err, "issuer= "); |
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if (err_cert == NULL) |
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BIO_puts(bio_err, "<error getting cert>"); |
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else |
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X509_NAME_print_ex(bio_err, |
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X509_get_issuer_name(err_cert), 0, XN_FLAG_ONELINE); |
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BIO_puts(bio_err, "\n"); |
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break; |
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case X509_V_ERR_CERT_NOT_YET_VALID: |
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case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD: |
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BIO_printf(bio_err, "notBefore="); |
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if (err_cert == NULL) |
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BIO_printf(bio_err, " <error getting cert>"); |
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else |
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ASN1_TIME_print(bio_err, X509_get_notBefore(err_cert)); |
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BIO_printf(bio_err, "\n"); |
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break; |
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case X509_V_ERR_CERT_HAS_EXPIRED: |
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case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD: |
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BIO_printf(bio_err, "notAfter="); |
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if (err_cert == NULL) |
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BIO_printf(bio_err, " <error getting cert>"); |
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else |
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ASN1_TIME_print(bio_err, X509_get_notAfter(err_cert)); |
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BIO_printf(bio_err, "\n"); |
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break; |
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case X509_V_ERR_NO_EXPLICIT_POLICY: |
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policies_print(bio_err, ctx); |
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break; |
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} |
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✗✓ |
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if (err == X509_V_OK && ok == 2) |
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policies_print(bio_err, ctx); |
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BIO_printf(bio_err, "verify return:%d\n", ok); |
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return (ok); |
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} |
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int |
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set_cert_stuff(SSL_CTX * ctx, char *cert_file, char *key_file) |
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{ |
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✗✓ |
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if (cert_file != NULL) { |
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/* |
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SSL *ssl; |
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X509 *x509; |
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*/ |
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if (SSL_CTX_use_certificate_file(ctx, cert_file, |
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SSL_FILETYPE_PEM) <= 0) { |
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BIO_printf(bio_err, |
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"unable to get certificate from '%s'\n", cert_file); |
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ERR_print_errors(bio_err); |
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return (0); |
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} |
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if (key_file == NULL) |
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key_file = cert_file; |
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if (SSL_CTX_use_PrivateKey_file(ctx, key_file, |
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SSL_FILETYPE_PEM) <= 0) { |
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BIO_printf(bio_err, |
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"unable to get private key from '%s'\n", key_file); |
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ERR_print_errors(bio_err); |
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return (0); |
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} |
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/* |
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In theory this is no longer needed |
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ssl=SSL_new(ctx); |
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x509=SSL_get_certificate(ssl); |
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if (x509 != NULL) { |
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EVP_PKEY *pktmp; |
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pktmp = X509_get_pubkey(x509); |
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EVP_PKEY_copy_parameters(pktmp, |
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SSL_get_privatekey(ssl)); |
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EVP_PKEY_free(pktmp); |
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} |
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SSL_free(ssl); |
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*/ |
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/* |
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* If we are using DSA, we can copy the parameters from the |
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* private key |
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*/ |
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/* |
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* Now we know that a key and cert have been set against the |
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* SSL context |
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*/ |
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if (!SSL_CTX_check_private_key(ctx)) { |
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BIO_printf(bio_err, |
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"Private key does not match the certificate public key\n"); |
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return (0); |
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} |
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} |
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return (1); |
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} |
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int |
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set_cert_key_stuff(SSL_CTX * ctx, X509 * cert, EVP_PKEY * key) |
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{ |
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✓✗ |
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if (cert == NULL) |
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return 1; |
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if (SSL_CTX_use_certificate(ctx, cert) <= 0) { |
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BIO_printf(bio_err, "error setting certificate\n"); |
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ERR_print_errors(bio_err); |
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return 0; |
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} |
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if (SSL_CTX_use_PrivateKey(ctx, key) <= 0) { |
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BIO_printf(bio_err, "error setting private key\n"); |
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ERR_print_errors(bio_err); |
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return 0; |
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} |
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/* |
277 |
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* Now we know that a key and cert have been set against the SSL |
278 |
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* context |
279 |
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*/ |
280 |
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if (!SSL_CTX_check_private_key(ctx)) { |
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BIO_printf(bio_err, |
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"Private key does not match the certificate public key\n"); |
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return 0; |
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} |
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return 1; |
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4 |
} |
287 |
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288 |
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int |
289 |
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ssl_print_tmp_key(BIO *out, SSL *s) |
290 |
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{ |
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const char *cname; |
292 |
|
16 |
EVP_PKEY *pkey; |
293 |
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EC_KEY *ec; |
294 |
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int nid; |
295 |
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|
296 |
✗✓ |
8 |
if (!SSL_get_server_tmp_key(s, &pkey)) |
297 |
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return 0; |
298 |
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|
299 |
|
8 |
BIO_puts(out, "Server Temp Key: "); |
300 |
✗✓✗ |
8 |
switch (EVP_PKEY_id(pkey)) { |
301 |
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case EVP_PKEY_DH: |
302 |
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BIO_printf(out, "DH, %d bits\n", EVP_PKEY_bits(pkey)); |
303 |
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break; |
304 |
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|
305 |
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case EVP_PKEY_EC: |
306 |
|
8 |
ec = EVP_PKEY_get1_EC_KEY(pkey); |
307 |
|
8 |
nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec)); |
308 |
|
8 |
EC_KEY_free(ec); |
309 |
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|
310 |
✗✓ |
8 |
if ((cname = EC_curve_nid2nist(nid)) == NULL) |
311 |
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cname = OBJ_nid2sn(nid); |
312 |
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|
313 |
|
8 |
BIO_printf(out, "ECDH, %s, %d bits\n", cname, EVP_PKEY_bits(pkey)); |
314 |
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8 |
break; |
315 |
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|
316 |
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default: |
317 |
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BIO_printf(out, "%s, %d bits\n", OBJ_nid2sn(EVP_PKEY_id(pkey)), |
318 |
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EVP_PKEY_bits(pkey)); |
319 |
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} |
320 |
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|
321 |
|
8 |
EVP_PKEY_free(pkey); |
322 |
|
8 |
return 1; |
323 |
|
8 |
} |
324 |
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|
325 |
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long |
326 |
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bio_dump_callback(BIO * bio, int cmd, const char *argp, |
327 |
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int argi, long argl, long ret) |
328 |
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{ |
329 |
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BIO *out; |
330 |
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|
331 |
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out = (BIO *) BIO_get_callback_arg(bio); |
332 |
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if (out == NULL) |
333 |
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return (ret); |
334 |
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|
335 |
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if (cmd == (BIO_CB_READ | BIO_CB_RETURN)) { |
336 |
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BIO_printf(out, |
337 |
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"read from %p [%p] (%lu bytes => %ld (0x%lX))\n", |
338 |
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(void *) bio, argp, (unsigned long) argi, ret, ret); |
339 |
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BIO_dump(out, argp, (int) ret); |
340 |
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return (ret); |
341 |
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} else if (cmd == (BIO_CB_WRITE | BIO_CB_RETURN)) { |
342 |
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BIO_printf(out, |
343 |
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"write to %p [%p] (%lu bytes => %ld (0x%lX))\n", |
344 |
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(void *) bio, argp, (unsigned long) argi, ret, ret); |
345 |
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BIO_dump(out, argp, (int) ret); |
346 |
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} |
347 |
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return (ret); |
348 |
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} |
349 |
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|
350 |
|
|
void |
351 |
|
|
apps_ssl_info_callback(const SSL * s, int where, int ret) |
352 |
|
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{ |
353 |
|
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const char *str; |
354 |
|
|
int w; |
355 |
|
|
|
356 |
|
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w = where & ~SSL_ST_MASK; |
357 |
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|
358 |
|
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if (w & SSL_ST_CONNECT) |
359 |
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str = "SSL_connect"; |
360 |
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else if (w & SSL_ST_ACCEPT) |
361 |
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str = "SSL_accept"; |
362 |
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else |
363 |
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str = "undefined"; |
364 |
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|
|
365 |
|
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if (where & SSL_CB_LOOP) { |
366 |
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BIO_printf(bio_err, "%s:%s\n", str, SSL_state_string_long(s)); |
367 |
|
|
} else if (where & SSL_CB_ALERT) { |
368 |
|
|
str = (where & SSL_CB_READ) ? "read" : "write"; |
369 |
|
|
BIO_printf(bio_err, "SSL3 alert %s:%s:%s\n", str, |
370 |
|
|
SSL_alert_type_string_long(ret), |
371 |
|
|
SSL_alert_desc_string_long(ret)); |
372 |
|
|
} else if (where & SSL_CB_EXIT) { |
373 |
|
|
if (ret == 0) |
374 |
|
|
BIO_printf(bio_err, "%s:failed in %s\n", |
375 |
|
|
str, SSL_state_string_long(s)); |
376 |
|
|
else if (ret < 0) { |
377 |
|
|
BIO_printf(bio_err, "%s:error in %s\n", |
378 |
|
|
str, SSL_state_string_long(s)); |
379 |
|
|
} |
380 |
|
|
} |
381 |
|
|
} |
382 |
|
|
|
383 |
|
|
|
384 |
|
|
void |
385 |
|
|
msg_cb(int write_p, int version, int content_type, const void *buf, size_t len, SSL * ssl, void *arg) |
386 |
|
|
{ |
387 |
|
|
BIO *bio = arg; |
388 |
|
|
const char *str_write_p, *str_version, *str_content_type = "", |
389 |
|
|
*str_details1 = "", *str_details2 = ""; |
390 |
|
|
|
391 |
|
|
str_write_p = write_p ? ">>>" : "<<<"; |
392 |
|
|
|
393 |
|
|
switch (version) { |
394 |
|
|
case SSL2_VERSION: |
395 |
|
|
str_version = "SSL 2.0"; |
396 |
|
|
break; |
397 |
|
|
case SSL3_VERSION: |
398 |
|
|
str_version = "SSL 3.0 "; |
399 |
|
|
break; |
400 |
|
|
case TLS1_VERSION: |
401 |
|
|
str_version = "TLS 1.0 "; |
402 |
|
|
break; |
403 |
|
|
case TLS1_1_VERSION: |
404 |
|
|
str_version = "TLS 1.1 "; |
405 |
|
|
break; |
406 |
|
|
case TLS1_2_VERSION: |
407 |
|
|
str_version = "TLS 1.2 "; |
408 |
|
|
break; |
409 |
|
|
case DTLS1_VERSION: |
410 |
|
|
str_version = "DTLS 1.0 "; |
411 |
|
|
break; |
412 |
|
|
default: |
413 |
|
|
str_version = "???"; |
414 |
|
|
} |
415 |
|
|
|
416 |
|
|
if (version == SSL2_VERSION) { |
417 |
|
|
str_details1 = "???"; |
418 |
|
|
|
419 |
|
|
if (len > 0) { |
420 |
|
|
switch (((const unsigned char *) buf)[0]) { |
421 |
|
|
case 0: |
422 |
|
|
str_details1 = ", ERROR:"; |
423 |
|
|
str_details2 = " ???"; |
424 |
|
|
if (len >= 3) { |
425 |
|
|
unsigned err = (((const unsigned char *) buf)[1] << 8) + ((const unsigned char *) buf)[2]; |
426 |
|
|
|
427 |
|
|
switch (err) { |
428 |
|
|
case 0x0001: |
429 |
|
|
str_details2 = " NO-CIPHER-ERROR"; |
430 |
|
|
break; |
431 |
|
|
case 0x0002: |
432 |
|
|
str_details2 = " NO-CERTIFICATE-ERROR"; |
433 |
|
|
break; |
434 |
|
|
case 0x0004: |
435 |
|
|
str_details2 = " BAD-CERTIFICATE-ERROR"; |
436 |
|
|
break; |
437 |
|
|
case 0x0006: |
438 |
|
|
str_details2 = " UNSUPPORTED-CERTIFICATE-TYPE-ERROR"; |
439 |
|
|
break; |
440 |
|
|
} |
441 |
|
|
} |
442 |
|
|
break; |
443 |
|
|
case 1: |
444 |
|
|
str_details1 = ", CLIENT-HELLO"; |
445 |
|
|
break; |
446 |
|
|
case 2: |
447 |
|
|
str_details1 = ", CLIENT-MASTER-KEY"; |
448 |
|
|
break; |
449 |
|
|
case 3: |
450 |
|
|
str_details1 = ", CLIENT-FINISHED"; |
451 |
|
|
break; |
452 |
|
|
case 4: |
453 |
|
|
str_details1 = ", SERVER-HELLO"; |
454 |
|
|
break; |
455 |
|
|
case 5: |
456 |
|
|
str_details1 = ", SERVER-VERIFY"; |
457 |
|
|
break; |
458 |
|
|
case 6: |
459 |
|
|
str_details1 = ", SERVER-FINISHED"; |
460 |
|
|
break; |
461 |
|
|
case 7: |
462 |
|
|
str_details1 = ", REQUEST-CERTIFICATE"; |
463 |
|
|
break; |
464 |
|
|
case 8: |
465 |
|
|
str_details1 = ", CLIENT-CERTIFICATE"; |
466 |
|
|
break; |
467 |
|
|
} |
468 |
|
|
} |
469 |
|
|
} |
470 |
|
|
if (version == SSL3_VERSION || version == TLS1_VERSION || |
471 |
|
|
version == TLS1_1_VERSION || version == TLS1_2_VERSION || |
472 |
|
|
version == DTLS1_VERSION) { |
473 |
|
|
switch (content_type) { |
474 |
|
|
case 20: |
475 |
|
|
str_content_type = "ChangeCipherSpec"; |
476 |
|
|
break; |
477 |
|
|
case 21: |
478 |
|
|
str_content_type = "Alert"; |
479 |
|
|
break; |
480 |
|
|
case 22: |
481 |
|
|
str_content_type = "Handshake"; |
482 |
|
|
break; |
483 |
|
|
} |
484 |
|
|
|
485 |
|
|
if (content_type == 21) { /* Alert */ |
486 |
|
|
str_details1 = ", ???"; |
487 |
|
|
|
488 |
|
|
if (len == 2) { |
489 |
|
|
switch (((const unsigned char *) buf)[0]) { |
490 |
|
|
case 1: |
491 |
|
|
str_details1 = ", warning"; |
492 |
|
|
break; |
493 |
|
|
case 2: |
494 |
|
|
str_details1 = ", fatal"; |
495 |
|
|
break; |
496 |
|
|
} |
497 |
|
|
|
498 |
|
|
str_details2 = " ???"; |
499 |
|
|
switch (((const unsigned char *) buf)[1]) { |
500 |
|
|
case 0: |
501 |
|
|
str_details2 = " close_notify"; |
502 |
|
|
break; |
503 |
|
|
case 10: |
504 |
|
|
str_details2 = " unexpected_message"; |
505 |
|
|
break; |
506 |
|
|
case 20: |
507 |
|
|
str_details2 = " bad_record_mac"; |
508 |
|
|
break; |
509 |
|
|
case 21: |
510 |
|
|
str_details2 = " decryption_failed"; |
511 |
|
|
break; |
512 |
|
|
case 22: |
513 |
|
|
str_details2 = " record_overflow"; |
514 |
|
|
break; |
515 |
|
|
case 30: |
516 |
|
|
str_details2 = " decompression_failure"; |
517 |
|
|
break; |
518 |
|
|
case 40: |
519 |
|
|
str_details2 = " handshake_failure"; |
520 |
|
|
break; |
521 |
|
|
case 42: |
522 |
|
|
str_details2 = " bad_certificate"; |
523 |
|
|
break; |
524 |
|
|
case 43: |
525 |
|
|
str_details2 = " unsupported_certificate"; |
526 |
|
|
break; |
527 |
|
|
case 44: |
528 |
|
|
str_details2 = " certificate_revoked"; |
529 |
|
|
break; |
530 |
|
|
case 45: |
531 |
|
|
str_details2 = " certificate_expired"; |
532 |
|
|
break; |
533 |
|
|
case 46: |
534 |
|
|
str_details2 = " certificate_unknown"; |
535 |
|
|
break; |
536 |
|
|
case 47: |
537 |
|
|
str_details2 = " illegal_parameter"; |
538 |
|
|
break; |
539 |
|
|
case 48: |
540 |
|
|
str_details2 = " unknown_ca"; |
541 |
|
|
break; |
542 |
|
|
case 49: |
543 |
|
|
str_details2 = " access_denied"; |
544 |
|
|
break; |
545 |
|
|
case 50: |
546 |
|
|
str_details2 = " decode_error"; |
547 |
|
|
break; |
548 |
|
|
case 51: |
549 |
|
|
str_details2 = " decrypt_error"; |
550 |
|
|
break; |
551 |
|
|
case 60: |
552 |
|
|
str_details2 = " export_restriction"; |
553 |
|
|
break; |
554 |
|
|
case 70: |
555 |
|
|
str_details2 = " protocol_version"; |
556 |
|
|
break; |
557 |
|
|
case 71: |
558 |
|
|
str_details2 = " insufficient_security"; |
559 |
|
|
break; |
560 |
|
|
case 80: |
561 |
|
|
str_details2 = " internal_error"; |
562 |
|
|
break; |
563 |
|
|
case 90: |
564 |
|
|
str_details2 = " user_canceled"; |
565 |
|
|
break; |
566 |
|
|
case 100: |
567 |
|
|
str_details2 = " no_renegotiation"; |
568 |
|
|
break; |
569 |
|
|
case 110: |
570 |
|
|
str_details2 = " unsupported_extension"; |
571 |
|
|
break; |
572 |
|
|
case 111: |
573 |
|
|
str_details2 = " certificate_unobtainable"; |
574 |
|
|
break; |
575 |
|
|
case 112: |
576 |
|
|
str_details2 = " unrecognized_name"; |
577 |
|
|
break; |
578 |
|
|
case 113: |
579 |
|
|
str_details2 = " bad_certificate_status_response"; |
580 |
|
|
break; |
581 |
|
|
case 114: |
582 |
|
|
str_details2 = " bad_certificate_hash_value"; |
583 |
|
|
break; |
584 |
|
|
case 115: |
585 |
|
|
str_details2 = " unknown_psk_identity"; |
586 |
|
|
break; |
587 |
|
|
} |
588 |
|
|
} |
589 |
|
|
} |
590 |
|
|
if (content_type == 22) { /* Handshake */ |
591 |
|
|
str_details1 = "???"; |
592 |
|
|
|
593 |
|
|
if (len > 0) { |
594 |
|
|
switch (((const unsigned char *) buf)[0]) { |
595 |
|
|
case 0: |
596 |
|
|
str_details1 = ", HelloRequest"; |
597 |
|
|
break; |
598 |
|
|
case 1: |
599 |
|
|
str_details1 = ", ClientHello"; |
600 |
|
|
break; |
601 |
|
|
case 2: |
602 |
|
|
str_details1 = ", ServerHello"; |
603 |
|
|
break; |
604 |
|
|
case 3: |
605 |
|
|
str_details1 = ", HelloVerifyRequest"; |
606 |
|
|
break; |
607 |
|
|
case 11: |
608 |
|
|
str_details1 = ", Certificate"; |
609 |
|
|
break; |
610 |
|
|
case 12: |
611 |
|
|
str_details1 = ", ServerKeyExchange"; |
612 |
|
|
break; |
613 |
|
|
case 13: |
614 |
|
|
str_details1 = ", CertificateRequest"; |
615 |
|
|
break; |
616 |
|
|
case 14: |
617 |
|
|
str_details1 = ", ServerHelloDone"; |
618 |
|
|
break; |
619 |
|
|
case 15: |
620 |
|
|
str_details1 = ", CertificateVerify"; |
621 |
|
|
break; |
622 |
|
|
case 16: |
623 |
|
|
str_details1 = ", ClientKeyExchange"; |
624 |
|
|
break; |
625 |
|
|
case 20: |
626 |
|
|
str_details1 = ", Finished"; |
627 |
|
|
break; |
628 |
|
|
} |
629 |
|
|
} |
630 |
|
|
} |
631 |
|
|
} |
632 |
|
|
BIO_printf(bio, "%s %s%s [length %04lx]%s%s\n", str_write_p, |
633 |
|
|
str_version, str_content_type, (unsigned long) len, |
634 |
|
|
str_details1, str_details2); |
635 |
|
|
|
636 |
|
|
if (len > 0) { |
637 |
|
|
size_t num, i; |
638 |
|
|
|
639 |
|
|
BIO_printf(bio, " "); |
640 |
|
|
num = len; |
641 |
|
|
|
642 |
|
|
for (i = 0; i < num; i++) { |
643 |
|
|
if (i % 16 == 0 && i > 0) |
644 |
|
|
BIO_printf(bio, "\n "); |
645 |
|
|
BIO_printf(bio, " %02x", |
646 |
|
|
((const unsigned char *) buf)[i]); |
647 |
|
|
} |
648 |
|
|
if (i < len) |
649 |
|
|
BIO_printf(bio, " ..."); |
650 |
|
|
BIO_printf(bio, "\n"); |
651 |
|
|
} |
652 |
|
|
(void) BIO_flush(bio); |
653 |
|
|
} |
654 |
|
|
|
655 |
|
|
void |
656 |
|
|
tlsext_cb(SSL * s, int client_server, int type, unsigned char *data, int len, |
657 |
|
|
void *arg) |
658 |
|
|
{ |
659 |
|
|
BIO *bio = arg; |
660 |
|
|
char *extname; |
661 |
|
|
|
662 |
|
|
switch (type) { |
663 |
|
|
case TLSEXT_TYPE_server_name: |
664 |
|
|
extname = "server name"; |
665 |
|
|
break; |
666 |
|
|
|
667 |
|
|
case TLSEXT_TYPE_max_fragment_length: |
668 |
|
|
extname = "max fragment length"; |
669 |
|
|
break; |
670 |
|
|
|
671 |
|
|
case TLSEXT_TYPE_client_certificate_url: |
672 |
|
|
extname = "client certificate URL"; |
673 |
|
|
break; |
674 |
|
|
|
675 |
|
|
case TLSEXT_TYPE_trusted_ca_keys: |
676 |
|
|
extname = "trusted CA keys"; |
677 |
|
|
break; |
678 |
|
|
|
679 |
|
|
case TLSEXT_TYPE_truncated_hmac: |
680 |
|
|
extname = "truncated HMAC"; |
681 |
|
|
break; |
682 |
|
|
|
683 |
|
|
case TLSEXT_TYPE_status_request: |
684 |
|
|
extname = "status request"; |
685 |
|
|
break; |
686 |
|
|
|
687 |
|
|
case TLSEXT_TYPE_user_mapping: |
688 |
|
|
extname = "user mapping"; |
689 |
|
|
break; |
690 |
|
|
|
691 |
|
|
case TLSEXT_TYPE_client_authz: |
692 |
|
|
extname = "client authz"; |
693 |
|
|
break; |
694 |
|
|
|
695 |
|
|
case TLSEXT_TYPE_server_authz: |
696 |
|
|
extname = "server authz"; |
697 |
|
|
break; |
698 |
|
|
|
699 |
|
|
case TLSEXT_TYPE_cert_type: |
700 |
|
|
extname = "cert type"; |
701 |
|
|
break; |
702 |
|
|
|
703 |
|
|
case TLSEXT_TYPE_elliptic_curves: |
704 |
|
|
extname = "elliptic curves"; |
705 |
|
|
break; |
706 |
|
|
|
707 |
|
|
case TLSEXT_TYPE_ec_point_formats: |
708 |
|
|
extname = "EC point formats"; |
709 |
|
|
break; |
710 |
|
|
|
711 |
|
|
case TLSEXT_TYPE_srp: |
712 |
|
|
extname = "SRP"; |
713 |
|
|
break; |
714 |
|
|
|
715 |
|
|
case TLSEXT_TYPE_signature_algorithms: |
716 |
|
|
extname = "signature algorithms"; |
717 |
|
|
break; |
718 |
|
|
|
719 |
|
|
case TLSEXT_TYPE_use_srtp: |
720 |
|
|
extname = "use SRTP"; |
721 |
|
|
break; |
722 |
|
|
|
723 |
|
|
case TLSEXT_TYPE_heartbeat: |
724 |
|
|
extname = "heartbeat"; |
725 |
|
|
break; |
726 |
|
|
|
727 |
|
|
case TLSEXT_TYPE_session_ticket: |
728 |
|
|
extname = "session ticket"; |
729 |
|
|
break; |
730 |
|
|
|
731 |
|
|
case TLSEXT_TYPE_renegotiate: |
732 |
|
|
extname = "renegotiation info"; |
733 |
|
|
break; |
734 |
|
|
|
735 |
|
|
default: |
736 |
|
|
extname = "unknown"; |
737 |
|
|
break; |
738 |
|
|
|
739 |
|
|
} |
740 |
|
|
|
741 |
|
|
BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n", |
742 |
|
|
client_server ? "server" : "client", extname, type, len); |
743 |
|
|
BIO_dump(bio, (char *) data, len); |
744 |
|
|
(void) BIO_flush(bio); |
745 |
|
|
} |
746 |
|
|
|
747 |
|
|
int |
748 |
|
|
generate_cookie_callback(SSL * ssl, unsigned char *cookie, |
749 |
|
|
unsigned int *cookie_len) |
750 |
|
|
{ |
751 |
|
|
unsigned char *buffer, result[EVP_MAX_MD_SIZE]; |
752 |
|
|
unsigned int length, resultlength; |
753 |
|
|
union { |
754 |
|
|
struct sockaddr sa; |
755 |
|
|
struct sockaddr_in s4; |
756 |
|
|
struct sockaddr_in6 s6; |
757 |
|
|
} peer; |
758 |
|
|
|
759 |
|
|
/* Initialize a random secret */ |
760 |
|
|
if (!cookie_initialized) { |
761 |
|
|
arc4random_buf(cookie_secret, COOKIE_SECRET_LENGTH); |
762 |
|
|
cookie_initialized = 1; |
763 |
|
|
} |
764 |
|
|
/* Read peer information */ |
765 |
|
|
(void) BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer); |
766 |
|
|
|
767 |
|
|
/* Create buffer with peer's address and port */ |
768 |
|
|
length = 0; |
769 |
|
|
switch (peer.sa.sa_family) { |
770 |
|
|
case AF_INET: |
771 |
|
|
length += sizeof(struct in_addr); |
772 |
|
|
length += sizeof(peer.s4.sin_port); |
773 |
|
|
break; |
774 |
|
|
case AF_INET6: |
775 |
|
|
length += sizeof(struct in6_addr); |
776 |
|
|
length += sizeof(peer.s6.sin6_port); |
777 |
|
|
break; |
778 |
|
|
default: |
779 |
|
|
OPENSSL_assert(0); |
780 |
|
|
break; |
781 |
|
|
} |
782 |
|
|
buffer = malloc(length); |
783 |
|
|
|
784 |
|
|
if (buffer == NULL) { |
785 |
|
|
BIO_printf(bio_err, "out of memory\n"); |
786 |
|
|
return 0; |
787 |
|
|
} |
788 |
|
|
switch (peer.sa.sa_family) { |
789 |
|
|
case AF_INET: |
790 |
|
|
memcpy(buffer, &peer.s4.sin_port, sizeof(peer.s4.sin_port)); |
791 |
|
|
memcpy(buffer + sizeof(peer.s4.sin_port), |
792 |
|
|
&peer.s4.sin_addr, sizeof(struct in_addr)); |
793 |
|
|
break; |
794 |
|
|
case AF_INET6: |
795 |
|
|
memcpy(buffer, &peer.s6.sin6_port, sizeof(peer.s6.sin6_port)); |
796 |
|
|
memcpy(buffer + sizeof(peer.s6.sin6_port), |
797 |
|
|
&peer.s6.sin6_addr, sizeof(struct in6_addr)); |
798 |
|
|
break; |
799 |
|
|
default: |
800 |
|
|
OPENSSL_assert(0); |
801 |
|
|
break; |
802 |
|
|
} |
803 |
|
|
|
804 |
|
|
/* Calculate HMAC of buffer using the secret */ |
805 |
|
|
HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH, |
806 |
|
|
buffer, length, result, &resultlength); |
807 |
|
|
free(buffer); |
808 |
|
|
|
809 |
|
|
memcpy(cookie, result, resultlength); |
810 |
|
|
*cookie_len = resultlength; |
811 |
|
|
|
812 |
|
|
return 1; |
813 |
|
|
} |
814 |
|
|
|
815 |
|
|
int |
816 |
|
|
verify_cookie_callback(SSL * ssl, unsigned char *cookie, unsigned int cookie_len) |
817 |
|
|
{ |
818 |
|
|
unsigned char *buffer, result[EVP_MAX_MD_SIZE]; |
819 |
|
|
unsigned int length, resultlength; |
820 |
|
|
union { |
821 |
|
|
struct sockaddr sa; |
822 |
|
|
struct sockaddr_in s4; |
823 |
|
|
struct sockaddr_in6 s6; |
824 |
|
|
} peer; |
825 |
|
|
|
826 |
|
|
/* If secret isn't initialized yet, the cookie can't be valid */ |
827 |
|
|
if (!cookie_initialized) |
828 |
|
|
return 0; |
829 |
|
|
|
830 |
|
|
/* Read peer information */ |
831 |
|
|
(void) BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer); |
832 |
|
|
|
833 |
|
|
/* Create buffer with peer's address and port */ |
834 |
|
|
length = 0; |
835 |
|
|
switch (peer.sa.sa_family) { |
836 |
|
|
case AF_INET: |
837 |
|
|
length += sizeof(struct in_addr); |
838 |
|
|
length += sizeof(peer.s4.sin_port); |
839 |
|
|
break; |
840 |
|
|
case AF_INET6: |
841 |
|
|
length += sizeof(struct in6_addr); |
842 |
|
|
length += sizeof(peer.s6.sin6_port); |
843 |
|
|
break; |
844 |
|
|
default: |
845 |
|
|
OPENSSL_assert(0); |
846 |
|
|
break; |
847 |
|
|
} |
848 |
|
|
buffer = malloc(length); |
849 |
|
|
|
850 |
|
|
if (buffer == NULL) { |
851 |
|
|
BIO_printf(bio_err, "out of memory\n"); |
852 |
|
|
return 0; |
853 |
|
|
} |
854 |
|
|
switch (peer.sa.sa_family) { |
855 |
|
|
case AF_INET: |
856 |
|
|
memcpy(buffer, &peer.s4.sin_port, sizeof(peer.s4.sin_port)); |
857 |
|
|
memcpy(buffer + sizeof(peer.s4.sin_port), |
858 |
|
|
&peer.s4.sin_addr, sizeof(struct in_addr)); |
859 |
|
|
break; |
860 |
|
|
case AF_INET6: |
861 |
|
|
memcpy(buffer, &peer.s6.sin6_port, sizeof(peer.s6.sin6_port)); |
862 |
|
|
memcpy(buffer + sizeof(peer.s6.sin6_port), |
863 |
|
|
&peer.s6.sin6_addr, sizeof(struct in6_addr)); |
864 |
|
|
break; |
865 |
|
|
default: |
866 |
|
|
OPENSSL_assert(0); |
867 |
|
|
break; |
868 |
|
|
} |
869 |
|
|
|
870 |
|
|
/* Calculate HMAC of buffer using the secret */ |
871 |
|
|
HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH, |
872 |
|
|
buffer, length, result, &resultlength); |
873 |
|
|
free(buffer); |
874 |
|
|
|
875 |
|
|
if (cookie_len == resultlength && |
876 |
|
|
memcmp(result, cookie, resultlength) == 0) |
877 |
|
|
return 1; |
878 |
|
|
|
879 |
|
|
return 0; |
880 |
|
|
} |