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5e86fd9377
The UTF-8 support that came with commit 2627335 does allow international
usernames and passwords. This patch introduces UTF-8 support for X.509 DNs.
Additionally, instead of using the legacy openssl format, DNs are now
displayed in RFC 2253 format; "/C=ru/L=\xD0\x9C\xD0\xBE\xD1\x81\xD0\xBA\xD0
\xB2\xD0\xB0/O=\xD0\x9A\xD1\x80\xD0\xB5\xD0\xBC\xD0\xBB\xD1\x8C/CN=kreml.ru"
becomes "C=ru, L=Москва, O=Кремль, CN=kreml.ru".
Since the specific character classes for X.509 names are removed, the
"no-name-remapping" configuration option has no use anymore and is removed
as well.
Signed-off-by: Heiko Hund <heiko.hund@sophos.com>
Acked-by: Adriaan de Jong <dejong@fox-it.com>
Acked-by: David Sommerseth <davids@redhat.com>
Signed-off-by: David Sommerseth <davids@redhat.com>
75 lines
3.0 KiB
C
75 lines
3.0 KiB
C
/*
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* OpenVPN -- An application to securely tunnel IP networks
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* over a single TCP/UDP port, with support for SSL/TLS-based
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* session authentication and key exchange,
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* packet encryption, packet authentication, and
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* packet compression.
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*
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* Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
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* Copyright (C) 2010 Fox Crypto B.V. <openvpn@fox-it.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program (see the file COPYING included with this
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* distribution); if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/**
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* @file Control Channel Verification Module OpenSSL backend
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*/
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#ifndef SSL_VERIFY_OPENSSL_H_
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#define SSL_VERIFY_OPENSSL_H_
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#include <openssl/x509.h>
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typedef X509 x509_cert_t;
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/** @name Function for authenticating a new connection from a remote OpenVPN peer
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* @{ */
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/**
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* Verify that the remote OpenVPN peer's certificate allows setting up a
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* VPN tunnel.
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* @ingroup control_tls
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*
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* This callback function is called every time a new TLS session is being
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* setup to determine whether the remote OpenVPN peer's certificate is
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* allowed to connect. It is called for once for every certificate in the chain.
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* The callback functionality is configured in the \c init_ssl() function, which
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* calls the OpenSSL library's \c SSL_CTX_set_verify() function with \c
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* verify_callback() as its callback argument.
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*
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* It checks preverify_ok, and registers the certificate hash. If these steps
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* succeed, it calls the \c verify_cert() function, which performs
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* OpenVPN-specific verification.
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*
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* @param preverify_ok - Whether the remote OpenVPN peer's certificate
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* past verification. A value of 1 means it
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* verified successfully, 0 means it failed.
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* @param ctx - The complete context used by the OpenSSL library
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* to verify the certificate chain.
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*
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* @return The return value indicates whether the supplied certificate is
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* allowed to set up a VPN tunnel. The following values can be
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* returned:
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* - \c 0: failure, this certificate is not allowed to connect.
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* - \c 1: success, this certificate is allowed to connect.
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*/
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int verify_callback (int preverify_ok, X509_STORE_CTX * ctx);
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/** @} name Function for authenticating a new connection from a remote OpenVPN peer */
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char *_openssl_get_subject (X509 *cert, char *buf, int size);
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#endif /* SSL_VERIFY_OPENSSL_H_ */
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