1904 lines
43 KiB
C
1904 lines
43 KiB
C
/* apps/s_cb.c - callback functions used by s_client, s_server, and s_time */
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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 <stdio.h>
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#include <stdlib.h>
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#define USE_SOCKETS
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#define NON_MAIN
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#include "apps.h"
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#undef NON_MAIN
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#undef USE_SOCKETS
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#include <openssl/err.h>
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#include <openssl/rand.h>
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#include <openssl/x509.h>
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#include <openssl/ssl.h>
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#include <openssl/bn.h>
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#ifndef OPENSSL_NO_DH
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#include <openssl/dh.h>
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#endif
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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_quiet=0;
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int verify_error=X509_V_OK;
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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 MS_CALLBACK 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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if (!verify_quiet || !ok)
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{
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BIO_printf(bio_err,"depth=%d ",depth);
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if (err_cert)
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{
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X509_NAME_print_ex(bio_err,
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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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}
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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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{
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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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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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verify_error=X509_V_OK;
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}
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else
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{
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ok=0;
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verify_error=X509_V_ERR_CERT_CHAIN_TOO_LONG;
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}
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}
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switch (err)
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{
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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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X509_NAME_print_ex(bio_err, X509_get_issuer_name(err_cert),
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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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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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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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if (!verify_quiet)
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policies_print(bio_err, ctx);
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break;
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}
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if (err == X509_V_OK && ok == 2 && !verify_quiet)
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policies_print(bio_err, ctx);
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if (ok && !verify_quiet)
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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 set_cert_stuff(SSL_CTX *ctx, char *cert_file, char *key_file)
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{
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if (cert_file != NULL)
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{
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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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{
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BIO_printf(bio_err,"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) 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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{
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BIO_printf(bio_err,"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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/* If we are using DSA, we can copy the parameters from
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* the private key */
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/* Now we know that a key and cert have been set against
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* the SSL context */
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if (!SSL_CTX_check_private_key(ctx))
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{
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BIO_printf(bio_err,"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 set_cert_key_stuff(SSL_CTX *ctx, X509 *cert, EVP_PKEY *key,
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STACK_OF(X509) *chain, int build_chain)
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{
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int chflags = chain ? SSL_BUILD_CHAIN_FLAG_CHECK : 0;
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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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{
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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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{
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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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/* Now we know that a key and cert have been set against
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* the SSL context */
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if (!SSL_CTX_check_private_key(ctx))
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{
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BIO_printf(bio_err,"Private key does not match the certificate public key\n");
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return 0;
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}
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if (chain && !SSL_CTX_set1_chain(ctx, chain))
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{
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BIO_printf(bio_err,"error setting certificate chain\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 (build_chain && !SSL_CTX_build_cert_chain(ctx, chflags))
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{
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BIO_printf(bio_err,"error building certificate chain\n");
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ERR_print_errors(bio_err);
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return 0;
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}
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return 1;
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}
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static void ssl_print_client_cert_types(BIO *bio, SSL *s)
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{
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const unsigned char *p;
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int i;
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int cert_type_num = SSL_get0_certificate_types(s, &p);
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if (!cert_type_num)
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return;
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BIO_puts(bio, "Client Certificate Types: ");
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for (i = 0; i < cert_type_num; i++)
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{
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unsigned char cert_type = p[i];
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char *cname;
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switch(cert_type)
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{
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case TLS_CT_RSA_SIGN:
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cname = "RSA sign";
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break;
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case TLS_CT_DSS_SIGN:
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cname = "DSA sign";
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break;
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case TLS_CT_RSA_FIXED_DH:
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cname = "RSA fixed DH";
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break;
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case TLS_CT_DSS_FIXED_DH:
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cname = "DSS fixed DH";
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break;
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case TLS_CT_ECDSA_SIGN:
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cname = "ECDSA sign";
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break;
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case TLS_CT_RSA_FIXED_ECDH:
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cname = "RSA fixed ECDH";
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break;
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case TLS_CT_ECDSA_FIXED_ECDH:
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cname = "ECDSA fixed ECDH";
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break;
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case TLS_CT_GOST94_SIGN:
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cname = "GOST94 Sign";
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break;
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case TLS_CT_GOST01_SIGN:
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cname = "GOST01 Sign";
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break;
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default:
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cname = NULL;
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}
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if (i)
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BIO_puts(bio, ", ");
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if (cname)
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BIO_puts(bio, cname);
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else
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BIO_printf(bio, "UNKNOWN (%d),", cert_type);
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}
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BIO_puts(bio, "\n");
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}
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static int do_print_sigalgs(BIO *out, SSL *s, int shared)
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{
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int i, nsig, client;
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client = SSL_is_server(s) ? 0 : 1;
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if (shared)
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nsig = SSL_get_shared_sigalgs(s, -1, NULL, NULL, NULL,
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NULL, NULL);
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else
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nsig = SSL_get_sigalgs(s, -1, NULL, NULL, NULL, NULL, NULL);
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if (nsig == 0)
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return 1;
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if (shared)
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BIO_puts(out, "Shared ");
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if (client)
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BIO_puts(out, "Requested ");
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BIO_puts(out, "Signature Algorithms: ");
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for (i = 0; i < nsig; i++)
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{
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int hash_nid, sign_nid;
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unsigned char rhash, rsign;
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const char *sstr = NULL;
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if (shared)
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SSL_get_shared_sigalgs(s, i, &sign_nid, &hash_nid, NULL,
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&rsign, &rhash);
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else
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SSL_get_sigalgs(s, i, &sign_nid, &hash_nid, NULL,
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&rsign, &rhash);
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if (i)
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BIO_puts(out, ":");
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if (sign_nid == EVP_PKEY_RSA)
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sstr = "RSA";
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else if(sign_nid == EVP_PKEY_DSA)
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sstr = "DSA";
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else if(sign_nid == EVP_PKEY_EC)
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sstr = "ECDSA";
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if (sstr)
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BIO_printf(out,"%s+", sstr);
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else
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BIO_printf(out,"0x%02X+", (int)rsign);
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if (hash_nid != NID_undef)
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BIO_printf(out, "%s", OBJ_nid2sn(hash_nid));
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else
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BIO_printf(out,"0x%02X", (int)rhash);
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}
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BIO_puts(out, "\n");
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return 1;
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}
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int ssl_print_sigalgs(BIO *out, SSL *s)
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{
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int mdnid;
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if (!SSL_is_server(s))
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ssl_print_client_cert_types(out, s);
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do_print_sigalgs(out, s, 0);
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do_print_sigalgs(out, s, 1);
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if (SSL_get_peer_signature_nid(s, &mdnid))
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BIO_printf(out, "Peer signing digest: %s\n", OBJ_nid2sn(mdnid));
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return 1;
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}
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#ifndef OPENSSL_NO_EC
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int ssl_print_point_formats(BIO *out, SSL *s)
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{
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int i, nformats;
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const char *pformats;
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nformats = SSL_get0_ec_point_formats(s, &pformats);
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if (nformats <= 0)
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return 1;
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BIO_puts(out, "Supported Elliptic Curve Point Formats: ");
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for (i = 0; i < nformats; i++, pformats++)
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{
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if (i)
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BIO_puts(out, ":");
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switch(*pformats)
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{
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case TLSEXT_ECPOINTFORMAT_uncompressed:
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BIO_puts(out, "uncompressed");
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break;
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case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime:
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BIO_puts(out, "ansiX962_compressed_prime");
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break;
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|
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case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2:
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BIO_puts(out, "ansiX962_compressed_char2");
|
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break;
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|
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default:
|
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BIO_printf(out, "unknown(%d)", (int)*pformats);
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break;
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|
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}
|
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}
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if (nformats <= 0)
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BIO_puts(out, "NONE");
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BIO_puts(out, "\n");
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return 1;
|
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}
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|
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int ssl_print_curves(BIO *out, SSL *s, int noshared)
|
|
{
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int i, ncurves, *curves, nid;
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const char *cname;
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ncurves = SSL_get1_curves(s, NULL);
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if (ncurves <= 0)
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return 1;
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curves = OPENSSL_malloc(ncurves * sizeof(int));
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SSL_get1_curves(s, curves);
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|
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BIO_puts(out, "Supported Elliptic Curves: ");
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for (i = 0; i < ncurves; i++)
|
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{
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if (i)
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BIO_puts(out, ":");
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nid = curves[i];
|
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/* If unrecognised print out hex version */
|
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if (nid & TLSEXT_nid_unknown)
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BIO_printf(out, "0x%04X", nid & 0xFFFF);
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else
|
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{
|
|
/* Use NIST name for curve if it exists */
|
|
cname = EC_curve_nid2nist(nid);
|
|
if (!cname)
|
|
cname = OBJ_nid2sn(nid);
|
|
BIO_printf(out, "%s", cname);
|
|
}
|
|
}
|
|
if (ncurves == 0)
|
|
BIO_puts(out, "NONE");
|
|
OPENSSL_free(curves);
|
|
if (noshared)
|
|
{
|
|
BIO_puts(out, "\n");
|
|
return 1;
|
|
}
|
|
BIO_puts(out, "\nShared Elliptic curves: ");
|
|
ncurves = SSL_get_shared_curve(s, -1);
|
|
for (i = 0; i < ncurves; i++)
|
|
{
|
|
if (i)
|
|
BIO_puts(out, ":");
|
|
nid = SSL_get_shared_curve(s, i);
|
|
cname = EC_curve_nid2nist(nid);
|
|
if (!cname)
|
|
cname = OBJ_nid2sn(nid);
|
|
BIO_printf(out, "%s", cname);
|
|
}
|
|
if (ncurves == 0)
|
|
BIO_puts(out, "NONE");
|
|
BIO_puts(out, "\n");
|
|
return 1;
|
|
}
|
|
#endif
|
|
int ssl_print_tmp_key(BIO *out, SSL *s)
|
|
{
|
|
EVP_PKEY *key;
|
|
if (!SSL_get_server_tmp_key(s, &key))
|
|
return 1;
|
|
BIO_puts(out, "Server Temp Key: ");
|
|
switch (EVP_PKEY_id(key))
|
|
{
|
|
case EVP_PKEY_RSA:
|
|
BIO_printf(out, "RSA, %d bits\n", EVP_PKEY_bits(key));
|
|
break;
|
|
|
|
case EVP_PKEY_DH:
|
|
BIO_printf(out, "DH, %d bits\n", EVP_PKEY_bits(key));
|
|
break;
|
|
#ifndef OPENSSL_NO_ECDH
|
|
case EVP_PKEY_EC:
|
|
{
|
|
EC_KEY *ec = EVP_PKEY_get1_EC_KEY(key);
|
|
int nid;
|
|
const char *cname;
|
|
nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec));
|
|
EC_KEY_free(ec);
|
|
cname = EC_curve_nid2nist(nid);
|
|
if (!cname)
|
|
cname = OBJ_nid2sn(nid);
|
|
BIO_printf(out, "ECDH, %s, %d bits\n",
|
|
cname, EVP_PKEY_bits(key));
|
|
}
|
|
#endif
|
|
}
|
|
EVP_PKEY_free(key);
|
|
return 1;
|
|
}
|
|
|
|
|
|
long MS_CALLBACK bio_dump_callback(BIO *bio, int cmd, const char *argp,
|
|
int argi, long argl, long ret)
|
|
{
|
|
BIO *out;
|
|
|
|
out=(BIO *)BIO_get_callback_arg(bio);
|
|
if (out == NULL) return(ret);
|
|
|
|
if (cmd == (BIO_CB_READ|BIO_CB_RETURN))
|
|
{
|
|
BIO_printf(out,"read from %p [%p] (%lu bytes => %ld (0x%lX))\n",
|
|
(void *)bio,argp,(unsigned long)argi,ret,ret);
|
|
BIO_dump(out,argp,(int)ret);
|
|
return(ret);
|
|
}
|
|
else if (cmd == (BIO_CB_WRITE|BIO_CB_RETURN))
|
|
{
|
|
BIO_printf(out,"write to %p [%p] (%lu bytes => %ld (0x%lX))\n",
|
|
(void *)bio,argp,(unsigned long)argi,ret,ret);
|
|
BIO_dump(out,argp,(int)ret);
|
|
}
|
|
return(ret);
|
|
}
|
|
|
|
void MS_CALLBACK apps_ssl_info_callback(const SSL *s, int where, int ret)
|
|
{
|
|
const char *str;
|
|
int w;
|
|
|
|
w=where& ~SSL_ST_MASK;
|
|
|
|
if (w & SSL_ST_CONNECT) str="SSL_connect";
|
|
else if (w & SSL_ST_ACCEPT) str="SSL_accept";
|
|
else str="undefined";
|
|
|
|
if (where & SSL_CB_LOOP)
|
|
{
|
|
BIO_printf(bio_err,"%s:%s\n",str,SSL_state_string_long(s));
|
|
}
|
|
else if (where & SSL_CB_ALERT)
|
|
{
|
|
str=(where & SSL_CB_READ)?"read":"write";
|
|
BIO_printf(bio_err,"SSL3 alert %s:%s:%s\n",
|
|
str,
|
|
SSL_alert_type_string_long(ret),
|
|
SSL_alert_desc_string_long(ret));
|
|
}
|
|
else if (where & SSL_CB_EXIT)
|
|
{
|
|
if (ret == 0)
|
|
BIO_printf(bio_err,"%s:failed in %s\n",
|
|
str,SSL_state_string_long(s));
|
|
else if (ret < 0)
|
|
{
|
|
BIO_printf(bio_err,"%s:error in %s\n",
|
|
str,SSL_state_string_long(s));
|
|
}
|
|
}
|
|
}
|
|
|
|
static const char *ssl_version_str(int version)
|
|
{
|
|
switch (version)
|
|
{
|
|
case SSL3_VERSION:
|
|
return "SSL 3.0";
|
|
case TLS1_VERSION:
|
|
return "TLS 1.0";
|
|
case TLS1_1_VERSION:
|
|
return "TLS 1.1";
|
|
case TLS1_2_VERSION:
|
|
return "TLS 1.2";
|
|
case DTLS1_VERSION:
|
|
return "DTLS 1.0";
|
|
case DTLS1_BAD_VER:
|
|
return "DTLS 1.0 (bad)";
|
|
default:
|
|
return "???";
|
|
}
|
|
}
|
|
|
|
void MS_CALLBACK msg_cb(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg)
|
|
{
|
|
BIO *bio = arg;
|
|
const char *str_write_p, *str_version, *str_content_type = "", *str_details1 = "", *str_details2= "";
|
|
|
|
str_write_p = write_p ? ">>>" : "<<<";
|
|
|
|
str_version = ssl_version_str(version);
|
|
|
|
if (version == SSL3_VERSION ||
|
|
version == TLS1_VERSION ||
|
|
version == TLS1_1_VERSION ||
|
|
version == TLS1_2_VERSION ||
|
|
version == DTLS1_VERSION ||
|
|
version == DTLS1_BAD_VER)
|
|
{
|
|
switch (content_type)
|
|
{
|
|
case 20:
|
|
str_content_type = "ChangeCipherSpec";
|
|
break;
|
|
case 21:
|
|
str_content_type = "Alert";
|
|
break;
|
|
case 22:
|
|
str_content_type = "Handshake";
|
|
break;
|
|
}
|
|
|
|
if (content_type == 21) /* Alert */
|
|
{
|
|
str_details1 = ", ???";
|
|
|
|
if (len == 2)
|
|
{
|
|
switch (((const unsigned char*)buf)[0])
|
|
{
|
|
case 1:
|
|
str_details1 = ", warning";
|
|
break;
|
|
case 2:
|
|
str_details1 = ", fatal";
|
|
break;
|
|
}
|
|
|
|
str_details2 = " ???";
|
|
switch (((const unsigned char*)buf)[1])
|
|
{
|
|
case 0:
|
|
str_details2 = " close_notify";
|
|
break;
|
|
case 10:
|
|
str_details2 = " unexpected_message";
|
|
break;
|
|
case 20:
|
|
str_details2 = " bad_record_mac";
|
|
break;
|
|
case 21:
|
|
str_details2 = " decryption_failed";
|
|
break;
|
|
case 22:
|
|
str_details2 = " record_overflow";
|
|
break;
|
|
case 30:
|
|
str_details2 = " decompression_failure";
|
|
break;
|
|
case 40:
|
|
str_details2 = " handshake_failure";
|
|
break;
|
|
case 42:
|
|
str_details2 = " bad_certificate";
|
|
break;
|
|
case 43:
|
|
str_details2 = " unsupported_certificate";
|
|
break;
|
|
case 44:
|
|
str_details2 = " certificate_revoked";
|
|
break;
|
|
case 45:
|
|
str_details2 = " certificate_expired";
|
|
break;
|
|
case 46:
|
|
str_details2 = " certificate_unknown";
|
|
break;
|
|
case 47:
|
|
str_details2 = " illegal_parameter";
|
|
break;
|
|
case 48:
|
|
str_details2 = " unknown_ca";
|
|
break;
|
|
case 49:
|
|
str_details2 = " access_denied";
|
|
break;
|
|
case 50:
|
|
str_details2 = " decode_error";
|
|
break;
|
|
case 51:
|
|
str_details2 = " decrypt_error";
|
|
break;
|
|
case 60:
|
|
str_details2 = " export_restriction";
|
|
break;
|
|
case 70:
|
|
str_details2 = " protocol_version";
|
|
break;
|
|
case 71:
|
|
str_details2 = " insufficient_security";
|
|
break;
|
|
case 80:
|
|
str_details2 = " internal_error";
|
|
break;
|
|
case 90:
|
|
str_details2 = " user_canceled";
|
|
break;
|
|
case 100:
|
|
str_details2 = " no_renegotiation";
|
|
break;
|
|
case 110:
|
|
str_details2 = " unsupported_extension";
|
|
break;
|
|
case 111:
|
|
str_details2 = " certificate_unobtainable";
|
|
break;
|
|
case 112:
|
|
str_details2 = " unrecognized_name";
|
|
break;
|
|
case 113:
|
|
str_details2 = " bad_certificate_status_response";
|
|
break;
|
|
case 114:
|
|
str_details2 = " bad_certificate_hash_value";
|
|
break;
|
|
case 115:
|
|
str_details2 = " unknown_psk_identity";
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (content_type == 22) /* Handshake */
|
|
{
|
|
str_details1 = "???";
|
|
|
|
if (len > 0)
|
|
{
|
|
switch (((const unsigned char*)buf)[0])
|
|
{
|
|
case 0:
|
|
str_details1 = ", HelloRequest";
|
|
break;
|
|
case 1:
|
|
str_details1 = ", ClientHello";
|
|
break;
|
|
case 2:
|
|
str_details1 = ", ServerHello";
|
|
break;
|
|
case 3:
|
|
str_details1 = ", HelloVerifyRequest";
|
|
break;
|
|
case 11:
|
|
str_details1 = ", Certificate";
|
|
break;
|
|
case 12:
|
|
str_details1 = ", ServerKeyExchange";
|
|
break;
|
|
case 13:
|
|
str_details1 = ", CertificateRequest";
|
|
break;
|
|
case 14:
|
|
str_details1 = ", ServerHelloDone";
|
|
break;
|
|
case 15:
|
|
str_details1 = ", CertificateVerify";
|
|
break;
|
|
case 16:
|
|
str_details1 = ", ClientKeyExchange";
|
|
break;
|
|
case 20:
|
|
str_details1 = ", Finished";
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_HEARTBEATS
|
|
if (content_type == 24) /* Heartbeat */
|
|
{
|
|
str_details1 = ", Heartbeat";
|
|
|
|
if (len > 0)
|
|
{
|
|
switch (((const unsigned char*)buf)[0])
|
|
{
|
|
case 1:
|
|
str_details1 = ", HeartbeatRequest";
|
|
break;
|
|
case 2:
|
|
str_details1 = ", HeartbeatResponse";
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
BIO_printf(bio, "%s %s%s [length %04lx]%s%s\n", str_write_p, str_version, str_content_type, (unsigned long)len, str_details1, str_details2);
|
|
|
|
if (len > 0)
|
|
{
|
|
size_t num, i;
|
|
|
|
BIO_printf(bio, " ");
|
|
num = len;
|
|
#if 0
|
|
if (num > 16)
|
|
num = 16;
|
|
#endif
|
|
for (i = 0; i < num; i++)
|
|
{
|
|
if (i % 16 == 0 && i > 0)
|
|
BIO_printf(bio, "\n ");
|
|
BIO_printf(bio, " %02x", ((const unsigned char*)buf)[i]);
|
|
}
|
|
if (i < len)
|
|
BIO_printf(bio, " ...");
|
|
BIO_printf(bio, "\n");
|
|
}
|
|
(void)BIO_flush(bio);
|
|
}
|
|
|
|
void MS_CALLBACK tlsext_cb(SSL *s, int client_server, int type,
|
|
unsigned char *data, int len,
|
|
void *arg)
|
|
{
|
|
BIO *bio = arg;
|
|
char *extname;
|
|
|
|
switch(type)
|
|
{
|
|
case TLSEXT_TYPE_server_name:
|
|
extname = "server name";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_max_fragment_length:
|
|
extname = "max fragment length";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_client_certificate_url:
|
|
extname = "client certificate URL";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_trusted_ca_keys:
|
|
extname = "trusted CA keys";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_truncated_hmac:
|
|
extname = "truncated HMAC";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_status_request:
|
|
extname = "status request";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_user_mapping:
|
|
extname = "user mapping";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_client_authz:
|
|
extname = "client authz";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_server_authz:
|
|
extname = "server authz";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_cert_type:
|
|
extname = "cert type";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_elliptic_curves:
|
|
extname = "elliptic curves";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_ec_point_formats:
|
|
extname = "EC point formats";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_srp:
|
|
extname = "SRP";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_signature_algorithms:
|
|
extname = "signature algorithms";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_use_srtp:
|
|
extname = "use SRTP";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_heartbeat:
|
|
extname = "heartbeat";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_session_ticket:
|
|
extname = "session ticket";
|
|
break;
|
|
|
|
case TLSEXT_TYPE_renegotiate:
|
|
extname = "renegotiation info";
|
|
break;
|
|
|
|
#ifdef TLSEXT_TYPE_opaque_prf_input
|
|
case TLSEXT_TYPE_opaque_prf_input:
|
|
extname = "opaque PRF input";
|
|
break;
|
|
#endif
|
|
#ifdef TLSEXT_TYPE_next_proto_neg
|
|
case TLSEXT_TYPE_next_proto_neg:
|
|
extname = "next protocol";
|
|
break;
|
|
#endif
|
|
#ifdef TLSEXT_TYPE_encrypt_then_mac
|
|
case TLSEXT_TYPE_encrypt_then_mac:
|
|
extname = "encrypt-then-mac";
|
|
break;
|
|
#endif
|
|
case TLSEXT_TYPE_padding:
|
|
extname = "TLS padding";
|
|
break;
|
|
|
|
default:
|
|
extname = "unknown";
|
|
break;
|
|
|
|
}
|
|
|
|
BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n",
|
|
client_server ? "server": "client",
|
|
extname, type, len);
|
|
BIO_dump(bio, (char *)data, len);
|
|
(void)BIO_flush(bio);
|
|
}
|
|
|
|
int MS_CALLBACK generate_cookie_callback(SSL *ssl, unsigned char *cookie, unsigned int *cookie_len)
|
|
{
|
|
unsigned char *buffer, result[EVP_MAX_MD_SIZE];
|
|
unsigned int length, resultlength;
|
|
union {
|
|
struct sockaddr sa;
|
|
struct sockaddr_in s4;
|
|
#if OPENSSL_USE_IPV6
|
|
struct sockaddr_in6 s6;
|
|
#endif
|
|
} peer;
|
|
|
|
/* Initialize a random secret */
|
|
if (!cookie_initialized)
|
|
{
|
|
if (!RAND_bytes(cookie_secret, COOKIE_SECRET_LENGTH))
|
|
{
|
|
BIO_printf(bio_err,"error setting random cookie secret\n");
|
|
return 0;
|
|
}
|
|
cookie_initialized = 1;
|
|
}
|
|
|
|
/* Read peer information */
|
|
(void)BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer);
|
|
|
|
/* Create buffer with peer's address and port */
|
|
length = 0;
|
|
switch (peer.sa.sa_family)
|
|
{
|
|
case AF_INET:
|
|
length += sizeof(struct in_addr);
|
|
length += sizeof(peer.s4.sin_port);
|
|
break;
|
|
#if OPENSSL_USE_IPV6
|
|
case AF_INET6:
|
|
length += sizeof(struct in6_addr);
|
|
length += sizeof(peer.s6.sin6_port);
|
|
break;
|
|
#endif
|
|
default:
|
|
OPENSSL_assert(0);
|
|
break;
|
|
}
|
|
buffer = OPENSSL_malloc(length);
|
|
|
|
if (buffer == NULL)
|
|
{
|
|
BIO_printf(bio_err,"out of memory\n");
|
|
return 0;
|
|
}
|
|
|
|
switch (peer.sa.sa_family)
|
|
{
|
|
case AF_INET:
|
|
memcpy(buffer,
|
|
&peer.s4.sin_port,
|
|
sizeof(peer.s4.sin_port));
|
|
memcpy(buffer + sizeof(peer.s4.sin_port),
|
|
&peer.s4.sin_addr,
|
|
sizeof(struct in_addr));
|
|
break;
|
|
#if OPENSSL_USE_IPV6
|
|
case AF_INET6:
|
|
memcpy(buffer,
|
|
&peer.s6.sin6_port,
|
|
sizeof(peer.s6.sin6_port));
|
|
memcpy(buffer + sizeof(peer.s6.sin6_port),
|
|
&peer.s6.sin6_addr,
|
|
sizeof(struct in6_addr));
|
|
break;
|
|
#endif
|
|
default:
|
|
OPENSSL_assert(0);
|
|
break;
|
|
}
|
|
|
|
/* Calculate HMAC of buffer using the secret */
|
|
HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH,
|
|
buffer, length, result, &resultlength);
|
|
OPENSSL_free(buffer);
|
|
|
|
memcpy(cookie, result, resultlength);
|
|
*cookie_len = resultlength;
|
|
|
|
return 1;
|
|
}
|
|
|
|
int MS_CALLBACK verify_cookie_callback(SSL *ssl, unsigned char *cookie, unsigned int cookie_len)
|
|
{
|
|
unsigned char *buffer, result[EVP_MAX_MD_SIZE];
|
|
unsigned int length, resultlength;
|
|
union {
|
|
struct sockaddr sa;
|
|
struct sockaddr_in s4;
|
|
#if OPENSSL_USE_IPV6
|
|
struct sockaddr_in6 s6;
|
|
#endif
|
|
} peer;
|
|
|
|
/* If secret isn't initialized yet, the cookie can't be valid */
|
|
if (!cookie_initialized)
|
|
return 0;
|
|
|
|
/* Read peer information */
|
|
(void)BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer);
|
|
|
|
/* Create buffer with peer's address and port */
|
|
length = 0;
|
|
switch (peer.sa.sa_family)
|
|
{
|
|
case AF_INET:
|
|
length += sizeof(struct in_addr);
|
|
length += sizeof(peer.s4.sin_port);
|
|
break;
|
|
#if OPENSSL_USE_IPV6
|
|
case AF_INET6:
|
|
length += sizeof(struct in6_addr);
|
|
length += sizeof(peer.s6.sin6_port);
|
|
break;
|
|
#endif
|
|
default:
|
|
OPENSSL_assert(0);
|
|
break;
|
|
}
|
|
buffer = OPENSSL_malloc(length);
|
|
|
|
if (buffer == NULL)
|
|
{
|
|
BIO_printf(bio_err,"out of memory\n");
|
|
return 0;
|
|
}
|
|
|
|
switch (peer.sa.sa_family)
|
|
{
|
|
case AF_INET:
|
|
memcpy(buffer,
|
|
&peer.s4.sin_port,
|
|
sizeof(peer.s4.sin_port));
|
|
memcpy(buffer + sizeof(peer.s4.sin_port),
|
|
&peer.s4.sin_addr,
|
|
sizeof(struct in_addr));
|
|
break;
|
|
#if OPENSSL_USE_IPV6
|
|
case AF_INET6:
|
|
memcpy(buffer,
|
|
&peer.s6.sin6_port,
|
|
sizeof(peer.s6.sin6_port));
|
|
memcpy(buffer + sizeof(peer.s6.sin6_port),
|
|
&peer.s6.sin6_addr,
|
|
sizeof(struct in6_addr));
|
|
break;
|
|
#endif
|
|
default:
|
|
OPENSSL_assert(0);
|
|
break;
|
|
}
|
|
|
|
/* Calculate HMAC of buffer using the secret */
|
|
HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH,
|
|
buffer, length, result, &resultlength);
|
|
OPENSSL_free(buffer);
|
|
|
|
if (cookie_len == resultlength && memcmp(result, cookie, resultlength) == 0)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Example of extended certificate handling. Where the standard support
|
|
* of one certificate per algorithm is not sufficient an application
|
|
* can decide which certificate(s) to use at runtime based on whatever
|
|
* criteria it deems appropriate.
|
|
*/
|
|
|
|
/* Linked list of certificates, keys and chains */
|
|
struct ssl_excert_st
|
|
{
|
|
int certform;
|
|
const char *certfile;
|
|
int keyform;
|
|
const char *keyfile;
|
|
const char *chainfile;
|
|
X509 *cert;
|
|
EVP_PKEY *key;
|
|
STACK_OF(X509) *chain;
|
|
int build_chain;
|
|
struct ssl_excert_st *next, *prev;
|
|
};
|
|
|
|
struct chain_flags
|
|
{
|
|
int flag;
|
|
const char *name;
|
|
};
|
|
|
|
struct chain_flags chain_flags_list[] =
|
|
{
|
|
{CERT_PKEY_VALID, "Overall Validity"},
|
|
{CERT_PKEY_SIGN, "Sign with EE key"},
|
|
{CERT_PKEY_EE_SIGNATURE, "EE signature"},
|
|
{CERT_PKEY_CA_SIGNATURE, "CA signature"},
|
|
{CERT_PKEY_EE_PARAM, "EE key parameters"},
|
|
{CERT_PKEY_CA_PARAM, "CA key parameters"},
|
|
{CERT_PKEY_EXPLICIT_SIGN, "Explicity sign with EE key"},
|
|
{CERT_PKEY_ISSUER_NAME, "Issuer Name"},
|
|
{CERT_PKEY_CERT_TYPE, "Certificate Type"},
|
|
{0, NULL}
|
|
};
|
|
|
|
|
|
static void print_chain_flags(BIO *out, SSL *s, int flags)
|
|
{
|
|
struct chain_flags *ctmp = chain_flags_list;
|
|
while(ctmp->name)
|
|
{
|
|
BIO_printf(out, "\t%s: %s\n", ctmp->name,
|
|
flags & ctmp->flag ? "OK" : "NOT OK");
|
|
ctmp++;
|
|
}
|
|
BIO_printf(out, "\tSuite B: ");
|
|
if (SSL_set_cert_flags(s, 0) & SSL_CERT_FLAG_SUITEB_128_LOS)
|
|
BIO_puts(out, flags & CERT_PKEY_SUITEB ? "OK\n" : "NOT OK\n");
|
|
else
|
|
BIO_printf(out, "not tested\n");
|
|
}
|
|
|
|
/* Very basic selection callback: just use any certificate chain
|
|
* reported as valid. More sophisticated could prioritise according
|
|
* to local policy.
|
|
*/
|
|
static int set_cert_cb(SSL *ssl, void *arg)
|
|
{
|
|
int i, rv;
|
|
SSL_EXCERT *exc = arg;
|
|
#ifdef CERT_CB_TEST_RETRY
|
|
static int retry_cnt;
|
|
if (retry_cnt < 5)
|
|
{
|
|
retry_cnt++;
|
|
fprintf(stderr, "Certificate callback retry test: count %d\n",
|
|
retry_cnt);
|
|
return -1;
|
|
}
|
|
#endif
|
|
SSL_certs_clear(ssl);
|
|
|
|
if (!exc)
|
|
return 1;
|
|
|
|
/* Go to end of list and traverse backwards since we prepend
|
|
* newer entries this retains the original order.
|
|
*/
|
|
while (exc->next)
|
|
exc = exc->next;
|
|
|
|
i = 0;
|
|
|
|
while(exc)
|
|
{
|
|
i++;
|
|
rv = SSL_check_chain(ssl, exc->cert, exc->key, exc->chain);
|
|
BIO_printf(bio_err, "Checking cert chain %d:\nSubject: ", i);
|
|
X509_NAME_print_ex(bio_err, X509_get_subject_name(exc->cert), 0,
|
|
XN_FLAG_ONELINE);
|
|
BIO_puts(bio_err, "\n");
|
|
|
|
print_chain_flags(bio_err, ssl, rv);
|
|
if (rv & CERT_PKEY_VALID)
|
|
{
|
|
SSL_use_certificate(ssl, exc->cert);
|
|
SSL_use_PrivateKey(ssl, exc->key);
|
|
/* NB: we wouldn't normally do this as it is
|
|
* not efficient building chains on each connection
|
|
* better to cache the chain in advance.
|
|
*/
|
|
if (exc->build_chain)
|
|
{
|
|
if (!SSL_build_cert_chain(ssl, 0))
|
|
return 0;
|
|
}
|
|
else if (exc->chain)
|
|
SSL_set1_chain(ssl, exc->chain);
|
|
}
|
|
exc = exc->prev;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
void ssl_ctx_set_excert(SSL_CTX *ctx, SSL_EXCERT *exc)
|
|
{
|
|
SSL_CTX_set_cert_cb(ctx, set_cert_cb, exc);
|
|
}
|
|
|
|
static int ssl_excert_prepend(SSL_EXCERT **pexc)
|
|
{
|
|
SSL_EXCERT *exc;
|
|
exc = OPENSSL_malloc(sizeof(SSL_EXCERT));
|
|
if (!exc)
|
|
return 0;
|
|
exc->certfile = NULL;
|
|
exc->keyfile = NULL;
|
|
exc->chainfile = NULL;
|
|
exc->cert = NULL;
|
|
exc->key = NULL;
|
|
exc->chain = NULL;
|
|
exc->prev = NULL;
|
|
exc->build_chain = 0;
|
|
|
|
exc->next = *pexc;
|
|
*pexc = exc;
|
|
|
|
if (exc->next)
|
|
{
|
|
exc->certform = exc->next->certform;
|
|
exc->keyform = exc->next->keyform;
|
|
exc->next->prev = exc;
|
|
}
|
|
else
|
|
{
|
|
exc->certform = FORMAT_PEM;
|
|
exc->keyform = FORMAT_PEM;
|
|
}
|
|
return 1;
|
|
|
|
}
|
|
|
|
void ssl_excert_free(SSL_EXCERT *exc)
|
|
{
|
|
SSL_EXCERT *curr;
|
|
while (exc)
|
|
{
|
|
if (exc->cert)
|
|
X509_free(exc->cert);
|
|
if (exc->key)
|
|
EVP_PKEY_free(exc->key);
|
|
if (exc->chain)
|
|
sk_X509_pop_free(exc->chain, X509_free);
|
|
curr = exc;
|
|
exc = exc->next;
|
|
OPENSSL_free(curr);
|
|
}
|
|
}
|
|
|
|
int load_excert(SSL_EXCERT **pexc, BIO *err)
|
|
{
|
|
SSL_EXCERT *exc = *pexc;
|
|
if (!exc)
|
|
return 1;
|
|
/* If nothing in list, free and set to NULL */
|
|
if (!exc->certfile && !exc->next)
|
|
{
|
|
ssl_excert_free(exc);
|
|
*pexc = NULL;
|
|
return 1;
|
|
}
|
|
for(; exc; exc=exc->next)
|
|
{
|
|
if (!exc->certfile)
|
|
{
|
|
BIO_printf(err, "Missing filename\n");
|
|
return 0;
|
|
}
|
|
exc->cert = load_cert(err, exc->certfile, exc->certform,
|
|
NULL, NULL, "Server Certificate");
|
|
if (!exc->cert)
|
|
return 0;
|
|
if (exc->keyfile)
|
|
{
|
|
exc->key = load_key(err, exc->keyfile, exc->keyform,
|
|
0, NULL, NULL, "Server Key");
|
|
}
|
|
else
|
|
{
|
|
exc->key = load_key(err, exc->certfile, exc->certform,
|
|
0, NULL, NULL, "Server Key");
|
|
}
|
|
if (!exc->key)
|
|
return 0;
|
|
if (exc->chainfile)
|
|
{
|
|
exc->chain = load_certs(err,
|
|
exc->chainfile, FORMAT_PEM,
|
|
NULL, NULL,
|
|
"Server Chain");
|
|
if (!exc->chain)
|
|
return 0;
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
|
|
int args_excert(char ***pargs, int *pargc,
|
|
int *badarg, BIO *err, SSL_EXCERT **pexc)
|
|
{
|
|
char *arg = **pargs, *argn = (*pargs)[1];
|
|
SSL_EXCERT *exc = *pexc;
|
|
int narg = 2;
|
|
if (!exc)
|
|
{
|
|
if (ssl_excert_prepend(&exc))
|
|
*pexc = exc;
|
|
else
|
|
{
|
|
BIO_printf(err, "Error initialising xcert\n");
|
|
*badarg = 1;
|
|
goto err;
|
|
}
|
|
}
|
|
if (strcmp(arg, "-xcert") == 0)
|
|
{
|
|
if (!argn)
|
|
{
|
|
*badarg = 1;
|
|
return 1;
|
|
}
|
|
if (exc->certfile && !ssl_excert_prepend(&exc))
|
|
{
|
|
BIO_printf(err, "Error adding xcert\n");
|
|
*badarg = 1;
|
|
goto err;
|
|
}
|
|
exc->certfile = argn;
|
|
}
|
|
else if (strcmp(arg,"-xkey") == 0)
|
|
{
|
|
if (!argn)
|
|
{
|
|
*badarg = 1;
|
|
return 1;
|
|
}
|
|
if (exc->keyfile)
|
|
{
|
|
BIO_printf(err, "Key already specified\n");
|
|
*badarg = 1;
|
|
return 1;
|
|
}
|
|
exc->keyfile = argn;
|
|
}
|
|
else if (strcmp(arg,"-xchain") == 0)
|
|
{
|
|
if (!argn)
|
|
{
|
|
*badarg = 1;
|
|
return 1;
|
|
}
|
|
if (exc->chainfile)
|
|
{
|
|
BIO_printf(err, "Chain already specified\n");
|
|
*badarg = 1;
|
|
return 1;
|
|
}
|
|
exc->chainfile = argn;
|
|
}
|
|
else if (strcmp(arg,"-xchain_build") == 0)
|
|
{
|
|
narg = 1;
|
|
exc->build_chain = 1;
|
|
}
|
|
else if (strcmp(arg,"-xcertform") == 0)
|
|
{
|
|
if (!argn)
|
|
{
|
|
*badarg = 1;
|
|
goto err;
|
|
}
|
|
exc->certform = str2fmt(argn);
|
|
}
|
|
else if (strcmp(arg,"-xkeyform") == 0)
|
|
{
|
|
if (!argn)
|
|
{
|
|
*badarg = 1;
|
|
goto err;
|
|
}
|
|
exc->keyform = str2fmt(argn);
|
|
}
|
|
else
|
|
return 0;
|
|
|
|
(*pargs) += narg;
|
|
|
|
if (pargc)
|
|
*pargc -= narg;
|
|
|
|
*pexc = exc;
|
|
|
|
return 1;
|
|
|
|
err:
|
|
ERR_print_errors(err);
|
|
ssl_excert_free(exc);
|
|
*pexc = NULL;
|
|
return 1;
|
|
}
|
|
|
|
static void print_raw_cipherlist(BIO *bio, SSL *s)
|
|
{
|
|
const unsigned char *rlist;
|
|
static const unsigned char scsv_id[] = {0, 0, 0xFF};
|
|
size_t i, rlistlen, num;
|
|
if (!SSL_is_server(s))
|
|
return;
|
|
num = SSL_get0_raw_cipherlist(s, NULL);
|
|
rlistlen = SSL_get0_raw_cipherlist(s, &rlist);
|
|
BIO_puts(bio, "Client cipher list: ");
|
|
for (i = 0; i < rlistlen; i += num, rlist += num)
|
|
{
|
|
const SSL_CIPHER *c = SSL_CIPHER_find(s, rlist);
|
|
if (i)
|
|
BIO_puts(bio, ":");
|
|
if (c)
|
|
BIO_puts(bio, SSL_CIPHER_get_name(c));
|
|
else if (!memcmp(rlist, scsv_id - num + 3, num))
|
|
BIO_puts(bio, "SCSV");
|
|
else
|
|
{
|
|
size_t j;
|
|
BIO_puts(bio, "0x");
|
|
for (j = 0; j < num; j++)
|
|
BIO_printf(bio, "%02X", rlist[j]);
|
|
}
|
|
}
|
|
BIO_puts(bio, "\n");
|
|
}
|
|
|
|
|
|
void print_ssl_summary(BIO *bio, SSL *s)
|
|
{
|
|
const SSL_CIPHER *c;
|
|
X509 *peer;
|
|
/*const char *pnam = SSL_is_server(s) ? "client" : "server";*/
|
|
BIO_printf(bio, "Protocol version: %s\n", SSL_get_version(s));
|
|
print_raw_cipherlist(bio, s);
|
|
c = SSL_get_current_cipher(s);
|
|
BIO_printf(bio,"Ciphersuite: %s\n", SSL_CIPHER_get_name(c));
|
|
do_print_sigalgs(bio, s, 0);
|
|
peer = SSL_get_peer_certificate(s);
|
|
if (peer)
|
|
{
|
|
int nid;
|
|
BIO_puts(bio, "Peer certificate: ");
|
|
X509_NAME_print_ex(bio, X509_get_subject_name(peer),
|
|
0, XN_FLAG_ONELINE);
|
|
BIO_puts(bio, "\n");
|
|
if (SSL_get_peer_signature_nid(s, &nid))
|
|
BIO_printf(bio, "Hash used: %s\n", OBJ_nid2sn(nid));
|
|
}
|
|
else
|
|
BIO_puts(bio, "No peer certificate\n");
|
|
if (peer)
|
|
X509_free(peer);
|
|
#ifndef OPENSSL_NO_EC
|
|
ssl_print_point_formats(bio, s);
|
|
if (SSL_is_server(s))
|
|
ssl_print_curves(bio, s, 1);
|
|
else
|
|
ssl_print_tmp_key(bio, s);
|
|
#else
|
|
if (!SSL_is_server(s))
|
|
ssl_print_tmp_key(bio, s);
|
|
#endif
|
|
}
|
|
|
|
int args_ssl(char ***pargs, int *pargc, SSL_CONF_CTX *cctx,
|
|
int *badarg, BIO *err, STACK_OF(OPENSSL_STRING) **pstr)
|
|
{
|
|
char *arg = **pargs, *argn = (*pargs)[1];
|
|
int rv;
|
|
|
|
/* Attempt to run SSL configuration command */
|
|
rv = SSL_CONF_cmd_argv(cctx, pargc, pargs);
|
|
/* If parameter not recognised just return */
|
|
if (rv == 0)
|
|
return 0;
|
|
/* see if missing argument error */
|
|
if (rv == -3)
|
|
{
|
|
BIO_printf(err, "%s needs an argument\n", arg);
|
|
*badarg = 1;
|
|
goto end;
|
|
}
|
|
/* Check for some other error */
|
|
if (rv < 0)
|
|
{
|
|
BIO_printf(err, "Error with command: \"%s %s\"\n",
|
|
arg, argn ? argn : "");
|
|
*badarg = 1;
|
|
goto end;
|
|
}
|
|
/* Store command and argument */
|
|
/* If only one argument processed store value as NULL */
|
|
if (rv == 1)
|
|
argn = NULL;
|
|
if (!*pstr)
|
|
*pstr = sk_OPENSSL_STRING_new_null();
|
|
if (!*pstr || !sk_OPENSSL_STRING_push(*pstr, arg) ||
|
|
!sk_OPENSSL_STRING_push(*pstr, argn))
|
|
{
|
|
BIO_puts(err, "Memory allocation failure\n");
|
|
goto end;
|
|
}
|
|
|
|
end:
|
|
if (*badarg)
|
|
ERR_print_errors(err);
|
|
|
|
return 1;
|
|
}
|
|
|
|
int args_ssl_call(SSL_CTX *ctx, BIO *err, SSL_CONF_CTX *cctx,
|
|
STACK_OF(OPENSSL_STRING) *str, int no_ecdhe, int no_jpake)
|
|
{
|
|
int i;
|
|
SSL_CONF_CTX_set_ssl_ctx(cctx, ctx);
|
|
for (i = 0; i < sk_OPENSSL_STRING_num(str); i+= 2)
|
|
{
|
|
const char *param = sk_OPENSSL_STRING_value(str, i);
|
|
const char *value = sk_OPENSSL_STRING_value(str, i + 1);
|
|
/* If no_ecdhe or named curve already specified don't need
|
|
* a default.
|
|
*/
|
|
if (!no_ecdhe && !strcmp(param, "-named_curve"))
|
|
no_ecdhe = 1;
|
|
#ifndef OPENSSL_NO_JPAKE
|
|
if (!no_jpake && !strcmp(param, "-cipher"))
|
|
{
|
|
BIO_puts(err, "JPAKE sets cipher to PSK\n");
|
|
return 0;
|
|
}
|
|
#endif
|
|
if (SSL_CONF_cmd(cctx, param, value) <= 0)
|
|
{
|
|
BIO_printf(err, "Error with command: \"%s %s\"\n",
|
|
param, value ? value : "");
|
|
ERR_print_errors(err);
|
|
return 0;
|
|
}
|
|
}
|
|
/* This is a special case to keep existing s_server functionality:
|
|
* if we don't have any curve specified *and* we haven't disabled
|
|
* ECDHE then use P-256.
|
|
*/
|
|
if (!no_ecdhe)
|
|
{
|
|
if (SSL_CONF_cmd(cctx, "-named_curve", "P-256") <= 0)
|
|
{
|
|
BIO_puts(err, "Error setting EC curve\n");
|
|
ERR_print_errors(err);
|
|
return 0;
|
|
}
|
|
}
|
|
#ifndef OPENSSL_NO_JPAKE
|
|
if (!no_jpake)
|
|
{
|
|
if (SSL_CONF_cmd(cctx, "-cipher", "PSK") <= 0)
|
|
{
|
|
BIO_puts(err, "Error setting cipher to PSK\n");
|
|
ERR_print_errors(err);
|
|
return 0;
|
|
}
|
|
}
|
|
#endif
|
|
if (!SSL_CONF_CTX_finish(cctx))
|
|
{
|
|
BIO_puts(err, "Error finishing context\n");
|
|
ERR_print_errors(err);
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static int add_crls_store(X509_STORE *st, STACK_OF(X509_CRL) *crls)
|
|
{
|
|
X509_CRL *crl;
|
|
int i;
|
|
for (i = 0; i < sk_X509_CRL_num(crls); i++)
|
|
{
|
|
crl = sk_X509_CRL_value(crls, i);
|
|
X509_STORE_add_crl(st, crl);
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
int ssl_ctx_add_crls(SSL_CTX *ctx, STACK_OF(X509_CRL) *crls, int crl_download)
|
|
{
|
|
X509_STORE *st;
|
|
st = SSL_CTX_get_cert_store(ctx);
|
|
add_crls_store(st, crls);
|
|
if (crl_download)
|
|
store_setup_crl_download(st);
|
|
return 1;
|
|
}
|
|
|
|
int ssl_load_stores(SSL_CTX *ctx,
|
|
const char *vfyCApath, const char *vfyCAfile,
|
|
const char *chCApath, const char *chCAfile,
|
|
STACK_OF(X509_CRL) *crls, int crl_download)
|
|
{
|
|
X509_STORE *vfy = NULL, *ch = NULL;
|
|
int rv = 0;
|
|
if (vfyCApath || vfyCAfile)
|
|
{
|
|
vfy = X509_STORE_new();
|
|
if (!X509_STORE_load_locations(vfy, vfyCAfile, vfyCApath))
|
|
goto err;
|
|
add_crls_store(vfy, crls);
|
|
SSL_CTX_set1_verify_cert_store(ctx, vfy);
|
|
if (crl_download)
|
|
store_setup_crl_download(vfy);
|
|
}
|
|
if (chCApath || chCAfile)
|
|
{
|
|
ch = X509_STORE_new();
|
|
if (!X509_STORE_load_locations(ch, chCAfile, chCApath))
|
|
goto err;
|
|
SSL_CTX_set1_chain_cert_store(ctx, ch);
|
|
}
|
|
rv = 1;
|
|
err:
|
|
if (vfy)
|
|
X509_STORE_free(vfy);
|
|
if (ch)
|
|
X509_STORE_free(ch);
|
|
return rv;
|
|
}
|
|
|
|
/* Verbose print out of security callback */
|
|
|
|
typedef struct
|
|
{
|
|
BIO *out;
|
|
int verbose;
|
|
int (*old_cb)(SSL *s, SSL_CTX *ctx, int op, int bits, int nid,
|
|
void *other, void *ex);
|
|
} security_debug_ex;
|
|
|
|
static int security_callback_debug(SSL *s, SSL_CTX *ctx,
|
|
int op, int bits, int nid,
|
|
void *other, void *ex)
|
|
{
|
|
security_debug_ex *sdb = ex;
|
|
int rv, show_bits = 1, cert_md = 0;
|
|
const char *nm;
|
|
rv = sdb->old_cb(s, ctx, op, bits, nid, other, ex);
|
|
if (rv == 1 && sdb->verbose < 2)
|
|
return 1;
|
|
BIO_puts(sdb->out, "Security callback: ");
|
|
|
|
switch (op)
|
|
{
|
|
case SSL_SECOP_CIPHER_SUPPORTED:
|
|
nm = "Supported Ciphersuite";
|
|
break;
|
|
case SSL_SECOP_CIPHER_SHARED:
|
|
nm = "Shared Ciphersuite";
|
|
break;
|
|
case SSL_SECOP_CIPHER_CHECK:
|
|
nm = "Check Ciphersuite";
|
|
break;
|
|
case SSL_SECOP_TICKET:
|
|
BIO_puts(sdb->out, "Session ticket");
|
|
show_bits = 0;
|
|
nm = NULL;
|
|
break;
|
|
case SSL_SECOP_COMPRESSION:
|
|
BIO_puts(sdb->out, "SSL compression");
|
|
show_bits = 0;
|
|
nm = NULL;
|
|
break;
|
|
#ifndef OPENSSL_NO_DH
|
|
case SSL_SECOP_TMP_DH:
|
|
nm = "Temp DH key bits";
|
|
break;
|
|
#endif
|
|
case SSL_SECOP_CURVE_SUPPORTED:
|
|
nm = "Supported Curve";
|
|
break;
|
|
case SSL_SECOP_CURVE_SHARED:
|
|
nm = "Shared Curve";
|
|
break;
|
|
case SSL_SECOP_CURVE_CHECK:
|
|
nm = "Check Curve";
|
|
break;
|
|
case SSL_SECOP_VERSION:
|
|
BIO_printf(sdb->out, "Version=%s", ssl_version_str(nid));
|
|
show_bits = 0;
|
|
nm = NULL;
|
|
break;
|
|
case SSL_SECOP_SIGALG_SUPPORTED:
|
|
nm = "Supported Signature Algorithm digest";
|
|
break;
|
|
case SSL_SECOP_SIGALG_SHARED:
|
|
nm = "Shared Signature Algorithm digest";
|
|
break;
|
|
case SSL_SECOP_SIGALG_CHECK:
|
|
nm = "Check Signature Algorithm digest";
|
|
break;
|
|
case SSL_SECOP_SIGALG_MASK:
|
|
nm = "Signature Algorithm mask";
|
|
break;
|
|
case SSL_SECOP_EE_KEY:
|
|
nm = "Certificate chain EE key";
|
|
break;
|
|
case SSL_SECOP_CA_KEY:
|
|
nm = "Certificate chain CA key";
|
|
break;
|
|
case SSL_SECOP_CA_MD:
|
|
cert_md = 1;
|
|
nm = "Certificate chain CA digest";
|
|
break;
|
|
case SSL_SECOP_PEER_EE_KEY:
|
|
nm = "Peer Chain EE key";
|
|
break;
|
|
case SSL_SECOP_PEER_CA_KEY:
|
|
nm = "Peer Chain CA key";
|
|
break;
|
|
case SSL_SECOP_PEER_CA_MD:
|
|
cert_md = 1;
|
|
nm = "Peer chain CA digest";
|
|
break;
|
|
default:
|
|
nm = NULL;
|
|
}
|
|
if (nm)
|
|
BIO_printf(sdb->out, "%s=", nm);
|
|
|
|
switch (op & SSL_SECOP_OTHER_TYPE)
|
|
{
|
|
|
|
case SSL_SECOP_OTHER_CIPHER:
|
|
BIO_puts(sdb->out, SSL_CIPHER_get_name(other));
|
|
break;
|
|
|
|
#ifndef OPENSSL_NO_EC
|
|
case SSL_SECOP_OTHER_CURVE:
|
|
{
|
|
const char *cname;
|
|
cname = EC_curve_nid2nist(nid);
|
|
if (cname == NULL)
|
|
cname = OBJ_nid2sn(nid);
|
|
BIO_puts(sdb->out, cname);
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
case SSL_SECOP_OTHER_DH:
|
|
{
|
|
DH *dh = other;
|
|
BIO_printf(sdb->out, "%d", BN_num_bits(dh->p));
|
|
break;
|
|
}
|
|
case SSL_SECOP_OTHER_CERT:
|
|
{
|
|
if (cert_md)
|
|
{
|
|
int sig_nid = X509_get_signature_nid(other);
|
|
BIO_puts(sdb->out, OBJ_nid2sn(sig_nid));
|
|
}
|
|
else
|
|
{
|
|
EVP_PKEY *pkey = X509_get_pubkey(other);
|
|
const char *algname = "";
|
|
EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL,
|
|
&algname,
|
|
EVP_PKEY_get0_asn1(pkey));
|
|
BIO_printf(sdb->out, "%s, bits=%d",
|
|
algname, EVP_PKEY_bits(pkey));
|
|
EVP_PKEY_free(pkey);
|
|
}
|
|
break;
|
|
}
|
|
case SSL_SECOP_OTHER_SIGALG:
|
|
{
|
|
const unsigned char *salg = other;
|
|
const char *sname = NULL;
|
|
switch (salg[1])
|
|
{
|
|
case TLSEXT_signature_anonymous:
|
|
sname = "anonymous";
|
|
break;
|
|
case TLSEXT_signature_rsa:
|
|
sname = "RSA";
|
|
break;
|
|
case TLSEXT_signature_dsa:
|
|
sname = "DSA";
|
|
break;
|
|
case TLSEXT_signature_ecdsa:
|
|
sname = "ECDSA";
|
|
break;
|
|
}
|
|
|
|
BIO_puts(sdb->out, OBJ_nid2sn(nid));
|
|
if (sname)
|
|
BIO_printf(sdb->out, ", algorithm=%s", sname);
|
|
else
|
|
BIO_printf(sdb->out, ", algid=%d", salg[1]);
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
if (show_bits)
|
|
BIO_printf(sdb->out, ", security bits=%d", bits);
|
|
BIO_printf(sdb->out, ": %s\n", rv ? "yes" : "no");
|
|
return rv;
|
|
}
|
|
|
|
void ssl_ctx_security_debug(SSL_CTX *ctx, BIO *out, int verbose)
|
|
{
|
|
static security_debug_ex sdb;
|
|
sdb.out = out;
|
|
sdb.verbose = verbose;
|
|
sdb.old_cb = SSL_CTX_get_security_callback(ctx);
|
|
SSL_CTX_set_security_callback(ctx, security_callback_debug);
|
|
SSL_CTX_set0_security_ex_data(ctx, &sdb);
|
|
}
|
|
|
|
|
|
|