forked from Imagelibrary/rtems
66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/*
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* Copyright (c) 2014 embedded brains GmbH & Co. KG
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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, 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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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <crypt.h>
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#include <string.h>
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static char *
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cf_default_func(const char *pw, const char *salt, struct crypt_data *data)
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{
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(void)salt;
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strncpy(&data->buffer[0], pw, sizeof(data->buffer) - 1);
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data->buffer[sizeof(data->buffer) - 1] = '\0';
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return (&data->buffer[0]);
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}
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static struct crypt_format cf_default =
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CRYPT_FORMAT_INITIALIZER(cf_default_func, NULL);
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static SLIST_HEAD(, crypt_format) cf_head = {
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&cf_default
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};
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void crypt_add_format(struct crypt_format *cf)
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{
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if (cf->link.sle_next == NULL)
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SLIST_INSERT_HEAD(&cf_head, cf, link);
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}
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char *
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crypt_r(const char *passwd, const char *salt, struct crypt_data *data)
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{
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const struct crypt_format *cf;
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SLIST_FOREACH(cf, &cf_head, link)
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if (cf->magic != NULL && strstr(salt, cf->magic) == salt)
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return (cf->func(passwd, salt, data));
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cf = SLIST_FIRST(&cf_head);
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return (cf->func(passwd, salt, data));
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}
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