57 lines
2.4 KiB
C
57 lines
2.4 KiB
C
/* Wrapper for hmac openssl implementation.
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*
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* Copyright (c) 2021 Red Hat, Inc.
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* Written by Iker Pedrosa <ipedrosa@redhat.com>
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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 above copyright
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* notice, and the entire permission notice in its entirety,
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* including the disclaimer of warranties.
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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. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* ALTERNATIVELY, this product may be distributed under the terms of
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* the GNU Public License, in which case the provisions of the GPL are
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* required INSTEAD OF the above restrictions. (This clause is
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* necessary due to a potential bad interaction between the GPL and
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* the restrictions contained in a BSD-style copyright.)
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* 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,
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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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#ifndef PAM_TIMESTAMP_HMAC_OPENSSL_WRAPPER_H
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#define PAM_TIMESTAMP_HMAC_OPENSSL_WRAPPER_H
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#include "config.h"
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#ifdef WITH_OPENSSL
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#include <openssl/hmac.h>
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#include <security/pam_modules.h>
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int
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hmac_size(pam_handle_t *pamh, int debug, size_t *hmac_length);
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int
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hmac_generate(pam_handle_t *pamh, int debug, void **mac, size_t *mac_length,
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const char *key_file, uid_t owner, gid_t group,
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const void *text, size_t text_length);
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#endif /* WITH_OPENSSL */
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#endif /* PAM_TIMESTAMP_HMAC_OPENSSL_WRAPPER_H */
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