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/**
* @file
* Additional declarations for use solely by libsefs.
*
* @author Jeremy A. Mowery jmowery@tresys.com
* @author Jason Tang jtang@tresys.com
*
* Copyright (C) 2007 Tresys Technology, LLC
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef SEFS_INTERNAL_HH
#define SEFS_INTERNAL_HH
#include <apol/bst.h>
#include <sefs/fclist.hh>
#include <regex.h>
/**
* Given a policy containing types, generate and return a vector of
* names (char *) that match the given criteria.
*
* @param policy Policy associated with types.
* @param str Type name to find.
* @param regex If using regexp comparison, the compiled regular
* expression to use.
* @param regex_flag If true, use the compiled regular expression
* instead of str.
* @param indirect If true, do indirect type matching.
*
* @return Vector of strings. The caller is responsible for calling
* apol_vector_destroy() upon the returned value afterwards.
*/
apol_vector_t *query_create_candidate_type(apol_policy_t * policy, const char *str, const regex_t * regex, const bool regex_flag,
const bool indirect);
/**
* Determines if a string matches a target symbol name. If \a
* regex_flag is true, use the compiled regular expression instead of
* \a str. Otherwise do a straight string comparison between \a str
* and \a target. If \a str is NULL and/or empty then the comparison
* always succeeds regardless of \a regex and \a target. Next, if \a
* target is NULL or empty then comparison fails.
*
* @param target Name of target symbol to compare.
* @param str Source string from which to compare.
* @param regex If using regexp comparison, the compiled regular
* expression to use.
* @param regex_flag If true, use the compiled regular expression
* instead.
*
* @return true if comparison succeeds, false if not.
*/
bool query_str_compare(const char *target, const char *str, const regex_t * regex, const bool regex_flag);
// rather than having each sefs_entry having its own apol_context_t
// object, build a cache of nodes to save space
struct sefs_context_node
{
apol_context_t *context; // each node owns its apol context
const char *user, *role, *type, *range; // these are pointers into fclists's BSTs
char *context_str; // each node owns the string
};
#endif
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